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1/*
2 * Copyright (c) 2006 Luc Verhaegen (quirks list)
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
5 * Copyright 2010 Red Hat, Inc.
6 *
7 * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8 * FB layer.
9 * Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sub license,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice (including the
19 * next paragraph) shall be included in all copies or substantial portions
20 * of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 * DEALINGS IN THE SOFTWARE.
29 */
30
31#include <linux/bitfield.h>
32#include <linux/byteorder/generic.h>
33#include <linux/cec.h>
34#include <linux/hdmi.h>
35#include <linux/i2c.h>
36#include <linux/kernel.h>
37#include <linux/module.h>
38#include <linux/pci.h>
39#include <linux/seq_buf.h>
40#include <linux/slab.h>
41#include <linux/vga_switcheroo.h>
42
43#include <drm/drm_drv.h>
44#include <drm/drm_edid.h>
45#include <drm/drm_eld.h>
46#include <drm/drm_encoder.h>
47#include <drm/drm_print.h>
48
49#include "drm_crtc_internal.h"
50#include "drm_displayid_internal.h"
51#include "drm_internal.h"
52
53static int oui(u8 first, u8 second, u8 third)
54{
55 return (first << 16) | (second << 8) | third;
56}
57
58#define EDID_EST_TIMINGS 16
59#define EDID_STD_TIMINGS 8
60#define EDID_DETAILED_TIMINGS 4
61
62/*
63 * EDID blocks out in the wild have a variety of bugs, try to collect
64 * them here (note that userspace may work around broken monitors first,
65 * but fixes should make their way here so that the kernel "just works"
66 * on as many displays as possible).
67 */
68
69/* First detailed mode wrong, use largest 60Hz mode */
70#define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
71/* Reported 135MHz pixel clock is too high, needs adjustment */
72#define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
73/* Prefer the largest mode at 75 Hz */
74#define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
75/* Detail timing is in cm not mm */
76#define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
77/* Detailed timing descriptors have bogus size values, so just take the
78 * maximum size and use that.
79 */
80#define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
81/* use +hsync +vsync for detailed mode */
82#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
83/* Force reduced-blanking timings for detailed modes */
84#define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
85/* Force 8bpc */
86#define EDID_QUIRK_FORCE_8BPC (1 << 8)
87/* Force 12bpc */
88#define EDID_QUIRK_FORCE_12BPC (1 << 9)
89/* Force 6bpc */
90#define EDID_QUIRK_FORCE_6BPC (1 << 10)
91/* Force 10bpc */
92#define EDID_QUIRK_FORCE_10BPC (1 << 11)
93/* Non desktop display (i.e. HMD) */
94#define EDID_QUIRK_NON_DESKTOP (1 << 12)
95/* Cap the DSC target bitrate to 15bpp */
96#define EDID_QUIRK_CAP_DSC_15BPP (1 << 13)
97
98#define MICROSOFT_IEEE_OUI 0xca125c
99
100struct detailed_mode_closure {
101 struct drm_connector *connector;
102 const struct drm_edid *drm_edid;
103 bool preferred;
104 int modes;
105};
106
107struct drm_edid_match_closure {
108 const struct drm_edid_ident *ident;
109 bool matched;
110};
111
112#define LEVEL_DMT 0
113#define LEVEL_GTF 1
114#define LEVEL_GTF2 2
115#define LEVEL_CVT 3
116
117#define EDID_QUIRK(vend_chr_0, vend_chr_1, vend_chr_2, product_id, _quirks) \
118{ \
119 .ident = { \
120 .panel_id = drm_edid_encode_panel_id(vend_chr_0, vend_chr_1, \
121 vend_chr_2, product_id), \
122 }, \
123 .quirks = _quirks \
124}
125
126static const struct edid_quirk {
127 const struct drm_edid_ident ident;
128 u32 quirks;
129} edid_quirk_list[] = {
130 /* Acer AL1706 */
131 EDID_QUIRK('A', 'C', 'R', 44358, EDID_QUIRK_PREFER_LARGE_60),
132 /* Acer F51 */
133 EDID_QUIRK('A', 'P', 'I', 0x7602, EDID_QUIRK_PREFER_LARGE_60),
134
135 /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
136 EDID_QUIRK('A', 'E', 'O', 0, EDID_QUIRK_FORCE_6BPC),
137
138 /* BenQ GW2765 */
139 EDID_QUIRK('B', 'N', 'Q', 0x78d6, EDID_QUIRK_FORCE_8BPC),
140
141 /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
142 EDID_QUIRK('B', 'O', 'E', 0x78b, EDID_QUIRK_FORCE_6BPC),
143
144 /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
145 EDID_QUIRK('C', 'P', 'T', 0x17df, EDID_QUIRK_FORCE_6BPC),
146
147 /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
148 EDID_QUIRK('S', 'D', 'C', 0x3652, EDID_QUIRK_FORCE_6BPC),
149
150 /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
151 EDID_QUIRK('B', 'O', 'E', 0x0771, EDID_QUIRK_FORCE_6BPC),
152
153 /* Belinea 10 15 55 */
154 EDID_QUIRK('M', 'A', 'X', 1516, EDID_QUIRK_PREFER_LARGE_60),
155 EDID_QUIRK('M', 'A', 'X', 0x77e, EDID_QUIRK_PREFER_LARGE_60),
156
157 /* Envision Peripherals, Inc. EN-7100e */
158 EDID_QUIRK('E', 'P', 'I', 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH),
159 /* Envision EN2028 */
160 EDID_QUIRK('E', 'P', 'I', 8232, EDID_QUIRK_PREFER_LARGE_60),
161
162 /* Funai Electronics PM36B */
163 EDID_QUIRK('F', 'C', 'M', 13600, EDID_QUIRK_PREFER_LARGE_75 |
164 EDID_QUIRK_DETAILED_IN_CM),
165
166 /* LG 27GP950 */
167 EDID_QUIRK('G', 'S', 'M', 0x5bbf, EDID_QUIRK_CAP_DSC_15BPP),
168
169 /* LG 27GN950 */
170 EDID_QUIRK('G', 'S', 'M', 0x5b9a, EDID_QUIRK_CAP_DSC_15BPP),
171
172 /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
173 EDID_QUIRK('L', 'G', 'D', 764, EDID_QUIRK_FORCE_10BPC),
174
175 /* LG Philips LCD LP154W01-A5 */
176 EDID_QUIRK('L', 'P', 'L', 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
177 EDID_QUIRK('L', 'P', 'L', 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE),
178
179 /* Samsung SyncMaster 205BW. Note: irony */
180 EDID_QUIRK('S', 'A', 'M', 541, EDID_QUIRK_DETAILED_SYNC_PP),
181 /* Samsung SyncMaster 22[5-6]BW */
182 EDID_QUIRK('S', 'A', 'M', 596, EDID_QUIRK_PREFER_LARGE_60),
183 EDID_QUIRK('S', 'A', 'M', 638, EDID_QUIRK_PREFER_LARGE_60),
184
185 /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
186 EDID_QUIRK('S', 'N', 'Y', 0x2541, EDID_QUIRK_FORCE_12BPC),
187
188 /* ViewSonic VA2026w */
189 EDID_QUIRK('V', 'S', 'C', 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING),
190
191 /* Medion MD 30217 PG */
192 EDID_QUIRK('M', 'E', 'D', 0x7b8, EDID_QUIRK_PREFER_LARGE_75),
193
194 /* Lenovo G50 */
195 EDID_QUIRK('S', 'D', 'C', 18514, EDID_QUIRK_FORCE_6BPC),
196
197 /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
198 EDID_QUIRK('S', 'E', 'C', 0xd033, EDID_QUIRK_FORCE_8BPC),
199
200 /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
201 EDID_QUIRK('E', 'T', 'R', 13896, EDID_QUIRK_FORCE_8BPC),
202
203 /* Valve Index Headset */
204 EDID_QUIRK('V', 'L', 'V', 0x91a8, EDID_QUIRK_NON_DESKTOP),
205 EDID_QUIRK('V', 'L', 'V', 0x91b0, EDID_QUIRK_NON_DESKTOP),
206 EDID_QUIRK('V', 'L', 'V', 0x91b1, EDID_QUIRK_NON_DESKTOP),
207 EDID_QUIRK('V', 'L', 'V', 0x91b2, EDID_QUIRK_NON_DESKTOP),
208 EDID_QUIRK('V', 'L', 'V', 0x91b3, EDID_QUIRK_NON_DESKTOP),
209 EDID_QUIRK('V', 'L', 'V', 0x91b4, EDID_QUIRK_NON_DESKTOP),
210 EDID_QUIRK('V', 'L', 'V', 0x91b5, EDID_QUIRK_NON_DESKTOP),
211 EDID_QUIRK('V', 'L', 'V', 0x91b6, EDID_QUIRK_NON_DESKTOP),
212 EDID_QUIRK('V', 'L', 'V', 0x91b7, EDID_QUIRK_NON_DESKTOP),
213 EDID_QUIRK('V', 'L', 'V', 0x91b8, EDID_QUIRK_NON_DESKTOP),
214 EDID_QUIRK('V', 'L', 'V', 0x91b9, EDID_QUIRK_NON_DESKTOP),
215 EDID_QUIRK('V', 'L', 'V', 0x91ba, EDID_QUIRK_NON_DESKTOP),
216 EDID_QUIRK('V', 'L', 'V', 0x91bb, EDID_QUIRK_NON_DESKTOP),
217 EDID_QUIRK('V', 'L', 'V', 0x91bc, EDID_QUIRK_NON_DESKTOP),
218 EDID_QUIRK('V', 'L', 'V', 0x91bd, EDID_QUIRK_NON_DESKTOP),
219 EDID_QUIRK('V', 'L', 'V', 0x91be, EDID_QUIRK_NON_DESKTOP),
220 EDID_QUIRK('V', 'L', 'V', 0x91bf, EDID_QUIRK_NON_DESKTOP),
221
222 /* HTC Vive and Vive Pro VR Headsets */
223 EDID_QUIRK('H', 'V', 'R', 0xaa01, EDID_QUIRK_NON_DESKTOP),
224 EDID_QUIRK('H', 'V', 'R', 0xaa02, EDID_QUIRK_NON_DESKTOP),
225
226 /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
227 EDID_QUIRK('O', 'V', 'R', 0x0001, EDID_QUIRK_NON_DESKTOP),
228 EDID_QUIRK('O', 'V', 'R', 0x0003, EDID_QUIRK_NON_DESKTOP),
229 EDID_QUIRK('O', 'V', 'R', 0x0004, EDID_QUIRK_NON_DESKTOP),
230 EDID_QUIRK('O', 'V', 'R', 0x0012, EDID_QUIRK_NON_DESKTOP),
231
232 /* Windows Mixed Reality Headsets */
233 EDID_QUIRK('A', 'C', 'R', 0x7fce, EDID_QUIRK_NON_DESKTOP),
234 EDID_QUIRK('L', 'E', 'N', 0x0408, EDID_QUIRK_NON_DESKTOP),
235 EDID_QUIRK('F', 'U', 'J', 0x1970, EDID_QUIRK_NON_DESKTOP),
236 EDID_QUIRK('D', 'E', 'L', 0x7fce, EDID_QUIRK_NON_DESKTOP),
237 EDID_QUIRK('S', 'E', 'C', 0x144a, EDID_QUIRK_NON_DESKTOP),
238 EDID_QUIRK('A', 'U', 'S', 0xc102, EDID_QUIRK_NON_DESKTOP),
239
240 /* Sony PlayStation VR Headset */
241 EDID_QUIRK('S', 'N', 'Y', 0x0704, EDID_QUIRK_NON_DESKTOP),
242
243 /* Sensics VR Headsets */
244 EDID_QUIRK('S', 'E', 'N', 0x1019, EDID_QUIRK_NON_DESKTOP),
245
246 /* OSVR HDK and HDK2 VR Headsets */
247 EDID_QUIRK('S', 'V', 'R', 0x1019, EDID_QUIRK_NON_DESKTOP),
248 EDID_QUIRK('A', 'U', 'O', 0x1111, EDID_QUIRK_NON_DESKTOP),
249};
250
251/*
252 * Autogenerated from the DMT spec.
253 * This table is copied from xfree86/modes/xf86EdidModes.c.
254 */
255static const struct drm_display_mode drm_dmt_modes[] = {
256 /* 0x01 - 640x350@85Hz */
257 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
258 736, 832, 0, 350, 382, 385, 445, 0,
259 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
260 /* 0x02 - 640x400@85Hz */
261 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
262 736, 832, 0, 400, 401, 404, 445, 0,
263 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
264 /* 0x03 - 720x400@85Hz */
265 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
266 828, 936, 0, 400, 401, 404, 446, 0,
267 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
268 /* 0x04 - 640x480@60Hz */
269 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
270 752, 800, 0, 480, 490, 492, 525, 0,
271 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
272 /* 0x05 - 640x480@72Hz */
273 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
274 704, 832, 0, 480, 489, 492, 520, 0,
275 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
276 /* 0x06 - 640x480@75Hz */
277 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
278 720, 840, 0, 480, 481, 484, 500, 0,
279 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
280 /* 0x07 - 640x480@85Hz */
281 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
282 752, 832, 0, 480, 481, 484, 509, 0,
283 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
284 /* 0x08 - 800x600@56Hz */
285 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
286 896, 1024, 0, 600, 601, 603, 625, 0,
287 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
288 /* 0x09 - 800x600@60Hz */
289 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
290 968, 1056, 0, 600, 601, 605, 628, 0,
291 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
292 /* 0x0a - 800x600@72Hz */
293 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
294 976, 1040, 0, 600, 637, 643, 666, 0,
295 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
296 /* 0x0b - 800x600@75Hz */
297 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
298 896, 1056, 0, 600, 601, 604, 625, 0,
299 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
300 /* 0x0c - 800x600@85Hz */
301 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
302 896, 1048, 0, 600, 601, 604, 631, 0,
303 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
304 /* 0x0d - 800x600@120Hz RB */
305 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
306 880, 960, 0, 600, 603, 607, 636, 0,
307 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
308 /* 0x0e - 848x480@60Hz */
309 { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
310 976, 1088, 0, 480, 486, 494, 517, 0,
311 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
312 /* 0x0f - 1024x768@43Hz, interlace */
313 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
314 1208, 1264, 0, 768, 768, 776, 817, 0,
315 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
316 DRM_MODE_FLAG_INTERLACE) },
317 /* 0x10 - 1024x768@60Hz */
318 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
319 1184, 1344, 0, 768, 771, 777, 806, 0,
320 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
321 /* 0x11 - 1024x768@70Hz */
322 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
323 1184, 1328, 0, 768, 771, 777, 806, 0,
324 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
325 /* 0x12 - 1024x768@75Hz */
326 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
327 1136, 1312, 0, 768, 769, 772, 800, 0,
328 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
329 /* 0x13 - 1024x768@85Hz */
330 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
331 1168, 1376, 0, 768, 769, 772, 808, 0,
332 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
333 /* 0x14 - 1024x768@120Hz RB */
334 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
335 1104, 1184, 0, 768, 771, 775, 813, 0,
336 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
337 /* 0x15 - 1152x864@75Hz */
338 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
339 1344, 1600, 0, 864, 865, 868, 900, 0,
340 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
341 /* 0x55 - 1280x720@60Hz */
342 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
343 1430, 1650, 0, 720, 725, 730, 750, 0,
344 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
345 /* 0x16 - 1280x768@60Hz RB */
346 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
347 1360, 1440, 0, 768, 771, 778, 790, 0,
348 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
349 /* 0x17 - 1280x768@60Hz */
350 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
351 1472, 1664, 0, 768, 771, 778, 798, 0,
352 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
353 /* 0x18 - 1280x768@75Hz */
354 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
355 1488, 1696, 0, 768, 771, 778, 805, 0,
356 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
357 /* 0x19 - 1280x768@85Hz */
358 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
359 1496, 1712, 0, 768, 771, 778, 809, 0,
360 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
361 /* 0x1a - 1280x768@120Hz RB */
362 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
363 1360, 1440, 0, 768, 771, 778, 813, 0,
364 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
365 /* 0x1b - 1280x800@60Hz RB */
366 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
367 1360, 1440, 0, 800, 803, 809, 823, 0,
368 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
369 /* 0x1c - 1280x800@60Hz */
370 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
371 1480, 1680, 0, 800, 803, 809, 831, 0,
372 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
373 /* 0x1d - 1280x800@75Hz */
374 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
375 1488, 1696, 0, 800, 803, 809, 838, 0,
376 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
377 /* 0x1e - 1280x800@85Hz */
378 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
379 1496, 1712, 0, 800, 803, 809, 843, 0,
380 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
381 /* 0x1f - 1280x800@120Hz RB */
382 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
383 1360, 1440, 0, 800, 803, 809, 847, 0,
384 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
385 /* 0x20 - 1280x960@60Hz */
386 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
387 1488, 1800, 0, 960, 961, 964, 1000, 0,
388 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
389 /* 0x21 - 1280x960@85Hz */
390 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
391 1504, 1728, 0, 960, 961, 964, 1011, 0,
392 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
393 /* 0x22 - 1280x960@120Hz RB */
394 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
395 1360, 1440, 0, 960, 963, 967, 1017, 0,
396 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
397 /* 0x23 - 1280x1024@60Hz */
398 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
399 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
400 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
401 /* 0x24 - 1280x1024@75Hz */
402 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
403 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
404 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
405 /* 0x25 - 1280x1024@85Hz */
406 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
407 1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
408 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
409 /* 0x26 - 1280x1024@120Hz RB */
410 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
411 1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
412 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
413 /* 0x27 - 1360x768@60Hz */
414 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
415 1536, 1792, 0, 768, 771, 777, 795, 0,
416 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
417 /* 0x28 - 1360x768@120Hz RB */
418 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
419 1440, 1520, 0, 768, 771, 776, 813, 0,
420 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
421 /* 0x51 - 1366x768@60Hz */
422 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
423 1579, 1792, 0, 768, 771, 774, 798, 0,
424 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
425 /* 0x56 - 1366x768@60Hz */
426 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
427 1436, 1500, 0, 768, 769, 772, 800, 0,
428 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
429 /* 0x29 - 1400x1050@60Hz RB */
430 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
431 1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
432 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
433 /* 0x2a - 1400x1050@60Hz */
434 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
435 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
436 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
437 /* 0x2b - 1400x1050@75Hz */
438 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
439 1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
440 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
441 /* 0x2c - 1400x1050@85Hz */
442 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
443 1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
444 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
445 /* 0x2d - 1400x1050@120Hz RB */
446 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
447 1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
448 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
449 /* 0x2e - 1440x900@60Hz RB */
450 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
451 1520, 1600, 0, 900, 903, 909, 926, 0,
452 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
453 /* 0x2f - 1440x900@60Hz */
454 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
455 1672, 1904, 0, 900, 903, 909, 934, 0,
456 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
457 /* 0x30 - 1440x900@75Hz */
458 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
459 1688, 1936, 0, 900, 903, 909, 942, 0,
460 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
461 /* 0x31 - 1440x900@85Hz */
462 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
463 1696, 1952, 0, 900, 903, 909, 948, 0,
464 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
465 /* 0x32 - 1440x900@120Hz RB */
466 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
467 1520, 1600, 0, 900, 903, 909, 953, 0,
468 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
469 /* 0x53 - 1600x900@60Hz */
470 { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
471 1704, 1800, 0, 900, 901, 904, 1000, 0,
472 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
473 /* 0x33 - 1600x1200@60Hz */
474 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
475 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
476 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
477 /* 0x34 - 1600x1200@65Hz */
478 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
479 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
480 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
481 /* 0x35 - 1600x1200@70Hz */
482 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
483 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
484 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
485 /* 0x36 - 1600x1200@75Hz */
486 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
487 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
488 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
489 /* 0x37 - 1600x1200@85Hz */
490 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
491 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
492 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
493 /* 0x38 - 1600x1200@120Hz RB */
494 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
495 1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
496 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
497 /* 0x39 - 1680x1050@60Hz RB */
498 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
499 1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
500 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
501 /* 0x3a - 1680x1050@60Hz */
502 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
503 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
504 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
505 /* 0x3b - 1680x1050@75Hz */
506 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
507 1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
508 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
509 /* 0x3c - 1680x1050@85Hz */
510 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
511 1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
512 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
513 /* 0x3d - 1680x1050@120Hz RB */
514 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
515 1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
516 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
517 /* 0x3e - 1792x1344@60Hz */
518 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
519 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
520 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
521 /* 0x3f - 1792x1344@75Hz */
522 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
523 2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
524 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
525 /* 0x40 - 1792x1344@120Hz RB */
526 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
527 1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
528 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
529 /* 0x41 - 1856x1392@60Hz */
530 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
531 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
532 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
533 /* 0x42 - 1856x1392@75Hz */
534 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
535 2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
536 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
537 /* 0x43 - 1856x1392@120Hz RB */
538 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
539 1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
540 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
541 /* 0x52 - 1920x1080@60Hz */
542 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
543 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
544 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
545 /* 0x44 - 1920x1200@60Hz RB */
546 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
547 2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
548 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
549 /* 0x45 - 1920x1200@60Hz */
550 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
551 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
552 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
553 /* 0x46 - 1920x1200@75Hz */
554 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
555 2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
556 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
557 /* 0x47 - 1920x1200@85Hz */
558 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
559 2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
560 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
561 /* 0x48 - 1920x1200@120Hz RB */
562 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
563 2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
564 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
565 /* 0x49 - 1920x1440@60Hz */
566 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
567 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
568 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
569 /* 0x4a - 1920x1440@75Hz */
570 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
571 2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
572 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
573 /* 0x4b - 1920x1440@120Hz RB */
574 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
575 2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
576 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
577 /* 0x54 - 2048x1152@60Hz */
578 { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
579 2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
580 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
581 /* 0x4c - 2560x1600@60Hz RB */
582 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
583 2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
584 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
585 /* 0x4d - 2560x1600@60Hz */
586 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
587 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
588 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
589 /* 0x4e - 2560x1600@75Hz */
590 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
591 3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
592 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
593 /* 0x4f - 2560x1600@85Hz */
594 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
595 3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
596 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
597 /* 0x50 - 2560x1600@120Hz RB */
598 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
599 2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
600 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
601 /* 0x57 - 4096x2160@60Hz RB */
602 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
603 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
604 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
605 /* 0x58 - 4096x2160@59.94Hz RB */
606 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
607 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
608 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
609};
610
611/*
612 * These more or less come from the DMT spec. The 720x400 modes are
613 * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75
614 * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode
615 * should be 1152x870, again for the Mac, but instead we use the x864 DMT
616 * mode.
617 *
618 * The DMT modes have been fact-checked; the rest are mild guesses.
619 */
620static const struct drm_display_mode edid_est_modes[] = {
621 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
622 968, 1056, 0, 600, 601, 605, 628, 0,
623 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
624 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
625 896, 1024, 0, 600, 601, 603, 625, 0,
626 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
627 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
628 720, 840, 0, 480, 481, 484, 500, 0,
629 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
630 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
631 704, 832, 0, 480, 489, 492, 520, 0,
632 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
633 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
634 768, 864, 0, 480, 483, 486, 525, 0,
635 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
636 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
637 752, 800, 0, 480, 490, 492, 525, 0,
638 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
639 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
640 846, 900, 0, 400, 421, 423, 449, 0,
641 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
642 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
643 846, 900, 0, 400, 412, 414, 449, 0,
644 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
645 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
646 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
647 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
648 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
649 1136, 1312, 0, 768, 769, 772, 800, 0,
650 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
651 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
652 1184, 1328, 0, 768, 771, 777, 806, 0,
653 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
654 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
655 1184, 1344, 0, 768, 771, 777, 806, 0,
656 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
657 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
658 1208, 1264, 0, 768, 768, 776, 817, 0,
659 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
660 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
661 928, 1152, 0, 624, 625, 628, 667, 0,
662 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
663 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
664 896, 1056, 0, 600, 601, 604, 625, 0,
665 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
666 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
667 976, 1040, 0, 600, 637, 643, 666, 0,
668 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
669 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
670 1344, 1600, 0, 864, 865, 868, 900, 0,
671 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
672};
673
674struct minimode {
675 short w;
676 short h;
677 short r;
678 short rb;
679};
680
681static const struct minimode est3_modes[] = {
682 /* byte 6 */
683 { 640, 350, 85, 0 },
684 { 640, 400, 85, 0 },
685 { 720, 400, 85, 0 },
686 { 640, 480, 85, 0 },
687 { 848, 480, 60, 0 },
688 { 800, 600, 85, 0 },
689 { 1024, 768, 85, 0 },
690 { 1152, 864, 75, 0 },
691 /* byte 7 */
692 { 1280, 768, 60, 1 },
693 { 1280, 768, 60, 0 },
694 { 1280, 768, 75, 0 },
695 { 1280, 768, 85, 0 },
696 { 1280, 960, 60, 0 },
697 { 1280, 960, 85, 0 },
698 { 1280, 1024, 60, 0 },
699 { 1280, 1024, 85, 0 },
700 /* byte 8 */
701 { 1360, 768, 60, 0 },
702 { 1440, 900, 60, 1 },
703 { 1440, 900, 60, 0 },
704 { 1440, 900, 75, 0 },
705 { 1440, 900, 85, 0 },
706 { 1400, 1050, 60, 1 },
707 { 1400, 1050, 60, 0 },
708 { 1400, 1050, 75, 0 },
709 /* byte 9 */
710 { 1400, 1050, 85, 0 },
711 { 1680, 1050, 60, 1 },
712 { 1680, 1050, 60, 0 },
713 { 1680, 1050, 75, 0 },
714 { 1680, 1050, 85, 0 },
715 { 1600, 1200, 60, 0 },
716 { 1600, 1200, 65, 0 },
717 { 1600, 1200, 70, 0 },
718 /* byte 10 */
719 { 1600, 1200, 75, 0 },
720 { 1600, 1200, 85, 0 },
721 { 1792, 1344, 60, 0 },
722 { 1792, 1344, 75, 0 },
723 { 1856, 1392, 60, 0 },
724 { 1856, 1392, 75, 0 },
725 { 1920, 1200, 60, 1 },
726 { 1920, 1200, 60, 0 },
727 /* byte 11 */
728 { 1920, 1200, 75, 0 },
729 { 1920, 1200, 85, 0 },
730 { 1920, 1440, 60, 0 },
731 { 1920, 1440, 75, 0 },
732};
733
734static const struct minimode extra_modes[] = {
735 { 1024, 576, 60, 0 },
736 { 1366, 768, 60, 0 },
737 { 1600, 900, 60, 0 },
738 { 1680, 945, 60, 0 },
739 { 1920, 1080, 60, 0 },
740 { 2048, 1152, 60, 0 },
741 { 2048, 1536, 60, 0 },
742};
743
744/*
745 * From CEA/CTA-861 spec.
746 *
747 * Do not access directly, instead always use cea_mode_for_vic().
748 */
749static const struct drm_display_mode edid_cea_modes_1[] = {
750 /* 1 - 640x480@60Hz 4:3 */
751 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
752 752, 800, 0, 480, 490, 492, 525, 0,
753 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
754 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
755 /* 2 - 720x480@60Hz 4:3 */
756 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
757 798, 858, 0, 480, 489, 495, 525, 0,
758 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
759 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
760 /* 3 - 720x480@60Hz 16:9 */
761 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
762 798, 858, 0, 480, 489, 495, 525, 0,
763 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
764 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
765 /* 4 - 1280x720@60Hz 16:9 */
766 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
767 1430, 1650, 0, 720, 725, 730, 750, 0,
768 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
769 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
770 /* 5 - 1920x1080i@60Hz 16:9 */
771 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
772 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
773 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
774 DRM_MODE_FLAG_INTERLACE),
775 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
776 /* 6 - 720(1440)x480i@60Hz 4:3 */
777 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
778 801, 858, 0, 480, 488, 494, 525, 0,
779 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
780 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
781 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
782 /* 7 - 720(1440)x480i@60Hz 16:9 */
783 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
784 801, 858, 0, 480, 488, 494, 525, 0,
785 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
786 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
787 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
788 /* 8 - 720(1440)x240@60Hz 4:3 */
789 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
790 801, 858, 0, 240, 244, 247, 262, 0,
791 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
792 DRM_MODE_FLAG_DBLCLK),
793 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
794 /* 9 - 720(1440)x240@60Hz 16:9 */
795 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
796 801, 858, 0, 240, 244, 247, 262, 0,
797 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
798 DRM_MODE_FLAG_DBLCLK),
799 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
800 /* 10 - 2880x480i@60Hz 4:3 */
801 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
802 3204, 3432, 0, 480, 488, 494, 525, 0,
803 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
804 DRM_MODE_FLAG_INTERLACE),
805 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
806 /* 11 - 2880x480i@60Hz 16:9 */
807 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
808 3204, 3432, 0, 480, 488, 494, 525, 0,
809 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
810 DRM_MODE_FLAG_INTERLACE),
811 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
812 /* 12 - 2880x240@60Hz 4:3 */
813 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
814 3204, 3432, 0, 240, 244, 247, 262, 0,
815 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
816 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
817 /* 13 - 2880x240@60Hz 16:9 */
818 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
819 3204, 3432, 0, 240, 244, 247, 262, 0,
820 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
821 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
822 /* 14 - 1440x480@60Hz 4:3 */
823 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
824 1596, 1716, 0, 480, 489, 495, 525, 0,
825 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
826 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
827 /* 15 - 1440x480@60Hz 16:9 */
828 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
829 1596, 1716, 0, 480, 489, 495, 525, 0,
830 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
831 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
832 /* 16 - 1920x1080@60Hz 16:9 */
833 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
834 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
835 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
836 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
837 /* 17 - 720x576@50Hz 4:3 */
838 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
839 796, 864, 0, 576, 581, 586, 625, 0,
840 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
841 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
842 /* 18 - 720x576@50Hz 16:9 */
843 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
844 796, 864, 0, 576, 581, 586, 625, 0,
845 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
846 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
847 /* 19 - 1280x720@50Hz 16:9 */
848 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
849 1760, 1980, 0, 720, 725, 730, 750, 0,
850 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
851 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
852 /* 20 - 1920x1080i@50Hz 16:9 */
853 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
854 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
855 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
856 DRM_MODE_FLAG_INTERLACE),
857 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
858 /* 21 - 720(1440)x576i@50Hz 4:3 */
859 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
860 795, 864, 0, 576, 580, 586, 625, 0,
861 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
862 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
863 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
864 /* 22 - 720(1440)x576i@50Hz 16:9 */
865 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
866 795, 864, 0, 576, 580, 586, 625, 0,
867 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
868 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
869 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
870 /* 23 - 720(1440)x288@50Hz 4:3 */
871 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
872 795, 864, 0, 288, 290, 293, 312, 0,
873 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
874 DRM_MODE_FLAG_DBLCLK),
875 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
876 /* 24 - 720(1440)x288@50Hz 16:9 */
877 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
878 795, 864, 0, 288, 290, 293, 312, 0,
879 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
880 DRM_MODE_FLAG_DBLCLK),
881 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
882 /* 25 - 2880x576i@50Hz 4:3 */
883 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
884 3180, 3456, 0, 576, 580, 586, 625, 0,
885 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
886 DRM_MODE_FLAG_INTERLACE),
887 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
888 /* 26 - 2880x576i@50Hz 16:9 */
889 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
890 3180, 3456, 0, 576, 580, 586, 625, 0,
891 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
892 DRM_MODE_FLAG_INTERLACE),
893 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
894 /* 27 - 2880x288@50Hz 4:3 */
895 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
896 3180, 3456, 0, 288, 290, 293, 312, 0,
897 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
898 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
899 /* 28 - 2880x288@50Hz 16:9 */
900 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
901 3180, 3456, 0, 288, 290, 293, 312, 0,
902 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
903 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
904 /* 29 - 1440x576@50Hz 4:3 */
905 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
906 1592, 1728, 0, 576, 581, 586, 625, 0,
907 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
908 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
909 /* 30 - 1440x576@50Hz 16:9 */
910 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
911 1592, 1728, 0, 576, 581, 586, 625, 0,
912 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
913 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
914 /* 31 - 1920x1080@50Hz 16:9 */
915 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
916 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
917 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
918 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
919 /* 32 - 1920x1080@24Hz 16:9 */
920 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
921 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
922 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
923 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
924 /* 33 - 1920x1080@25Hz 16:9 */
925 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
926 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
927 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
928 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
929 /* 34 - 1920x1080@30Hz 16:9 */
930 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
931 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
932 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
933 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
934 /* 35 - 2880x480@60Hz 4:3 */
935 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
936 3192, 3432, 0, 480, 489, 495, 525, 0,
937 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
938 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
939 /* 36 - 2880x480@60Hz 16:9 */
940 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
941 3192, 3432, 0, 480, 489, 495, 525, 0,
942 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
943 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
944 /* 37 - 2880x576@50Hz 4:3 */
945 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
946 3184, 3456, 0, 576, 581, 586, 625, 0,
947 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
948 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
949 /* 38 - 2880x576@50Hz 16:9 */
950 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
951 3184, 3456, 0, 576, 581, 586, 625, 0,
952 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
953 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
954 /* 39 - 1920x1080i@50Hz 16:9 */
955 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
956 2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
957 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
958 DRM_MODE_FLAG_INTERLACE),
959 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
960 /* 40 - 1920x1080i@100Hz 16:9 */
961 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
962 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
963 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
964 DRM_MODE_FLAG_INTERLACE),
965 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
966 /* 41 - 1280x720@100Hz 16:9 */
967 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
968 1760, 1980, 0, 720, 725, 730, 750, 0,
969 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
970 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
971 /* 42 - 720x576@100Hz 4:3 */
972 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
973 796, 864, 0, 576, 581, 586, 625, 0,
974 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
975 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
976 /* 43 - 720x576@100Hz 16:9 */
977 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
978 796, 864, 0, 576, 581, 586, 625, 0,
979 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
980 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
981 /* 44 - 720(1440)x576i@100Hz 4:3 */
982 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
983 795, 864, 0, 576, 580, 586, 625, 0,
984 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
985 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
986 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
987 /* 45 - 720(1440)x576i@100Hz 16:9 */
988 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
989 795, 864, 0, 576, 580, 586, 625, 0,
990 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
991 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
992 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
993 /* 46 - 1920x1080i@120Hz 16:9 */
994 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
995 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
996 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
997 DRM_MODE_FLAG_INTERLACE),
998 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
999 /* 47 - 1280x720@120Hz 16:9 */
1000 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1001 1430, 1650, 0, 720, 725, 730, 750, 0,
1002 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1003 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1004 /* 48 - 720x480@120Hz 4:3 */
1005 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
1006 798, 858, 0, 480, 489, 495, 525, 0,
1007 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1008 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1009 /* 49 - 720x480@120Hz 16:9 */
1010 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
1011 798, 858, 0, 480, 489, 495, 525, 0,
1012 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1013 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1014 /* 50 - 720(1440)x480i@120Hz 4:3 */
1015 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1016 801, 858, 0, 480, 488, 494, 525, 0,
1017 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1018 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1019 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1020 /* 51 - 720(1440)x480i@120Hz 16:9 */
1021 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
1022 801, 858, 0, 480, 488, 494, 525, 0,
1023 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1024 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1025 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1026 /* 52 - 720x576@200Hz 4:3 */
1027 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1028 796, 864, 0, 576, 581, 586, 625, 0,
1029 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1030 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1031 /* 53 - 720x576@200Hz 16:9 */
1032 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1033 796, 864, 0, 576, 581, 586, 625, 0,
1034 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1035 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1036 /* 54 - 720(1440)x576i@200Hz 4:3 */
1037 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1038 795, 864, 0, 576, 580, 586, 625, 0,
1039 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1040 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1041 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1042 /* 55 - 720(1440)x576i@200Hz 16:9 */
1043 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1044 795, 864, 0, 576, 580, 586, 625, 0,
1045 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1046 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1047 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1048 /* 56 - 720x480@240Hz 4:3 */
1049 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1050 798, 858, 0, 480, 489, 495, 525, 0,
1051 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1052 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1053 /* 57 - 720x480@240Hz 16:9 */
1054 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1055 798, 858, 0, 480, 489, 495, 525, 0,
1056 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1057 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1058 /* 58 - 720(1440)x480i@240Hz 4:3 */
1059 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1060 801, 858, 0, 480, 488, 494, 525, 0,
1061 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1062 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1063 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1064 /* 59 - 720(1440)x480i@240Hz 16:9 */
1065 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1066 801, 858, 0, 480, 488, 494, 525, 0,
1067 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1068 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1069 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1070 /* 60 - 1280x720@24Hz 16:9 */
1071 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1072 3080, 3300, 0, 720, 725, 730, 750, 0,
1073 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1074 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1075 /* 61 - 1280x720@25Hz 16:9 */
1076 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1077 3740, 3960, 0, 720, 725, 730, 750, 0,
1078 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1079 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1080 /* 62 - 1280x720@30Hz 16:9 */
1081 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1082 3080, 3300, 0, 720, 725, 730, 750, 0,
1083 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1084 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1085 /* 63 - 1920x1080@120Hz 16:9 */
1086 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1087 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1088 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1089 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1090 /* 64 - 1920x1080@100Hz 16:9 */
1091 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1092 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1093 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1094 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1095 /* 65 - 1280x720@24Hz 64:27 */
1096 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1097 3080, 3300, 0, 720, 725, 730, 750, 0,
1098 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1099 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1100 /* 66 - 1280x720@25Hz 64:27 */
1101 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1102 3740, 3960, 0, 720, 725, 730, 750, 0,
1103 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1104 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1105 /* 67 - 1280x720@30Hz 64:27 */
1106 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1107 3080, 3300, 0, 720, 725, 730, 750, 0,
1108 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1109 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1110 /* 68 - 1280x720@50Hz 64:27 */
1111 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1112 1760, 1980, 0, 720, 725, 730, 750, 0,
1113 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1114 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1115 /* 69 - 1280x720@60Hz 64:27 */
1116 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1117 1430, 1650, 0, 720, 725, 730, 750, 0,
1118 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1119 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1120 /* 70 - 1280x720@100Hz 64:27 */
1121 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1122 1760, 1980, 0, 720, 725, 730, 750, 0,
1123 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1124 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1125 /* 71 - 1280x720@120Hz 64:27 */
1126 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1127 1430, 1650, 0, 720, 725, 730, 750, 0,
1128 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1129 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1130 /* 72 - 1920x1080@24Hz 64:27 */
1131 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1132 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1133 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1134 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1135 /* 73 - 1920x1080@25Hz 64:27 */
1136 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1137 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1138 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1139 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1140 /* 74 - 1920x1080@30Hz 64:27 */
1141 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1142 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1143 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1144 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1145 /* 75 - 1920x1080@50Hz 64:27 */
1146 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1147 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1148 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1149 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1150 /* 76 - 1920x1080@60Hz 64:27 */
1151 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1152 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1153 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1154 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1155 /* 77 - 1920x1080@100Hz 64:27 */
1156 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1157 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1158 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1159 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1160 /* 78 - 1920x1080@120Hz 64:27 */
1161 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1162 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1163 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1164 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1165 /* 79 - 1680x720@24Hz 64:27 */
1166 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1167 3080, 3300, 0, 720, 725, 730, 750, 0,
1168 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1169 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1170 /* 80 - 1680x720@25Hz 64:27 */
1171 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1172 2948, 3168, 0, 720, 725, 730, 750, 0,
1173 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1174 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1175 /* 81 - 1680x720@30Hz 64:27 */
1176 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1177 2420, 2640, 0, 720, 725, 730, 750, 0,
1178 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1179 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1180 /* 82 - 1680x720@50Hz 64:27 */
1181 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1182 1980, 2200, 0, 720, 725, 730, 750, 0,
1183 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1184 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1185 /* 83 - 1680x720@60Hz 64:27 */
1186 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1187 1980, 2200, 0, 720, 725, 730, 750, 0,
1188 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1189 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1190 /* 84 - 1680x720@100Hz 64:27 */
1191 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1192 1780, 2000, 0, 720, 725, 730, 825, 0,
1193 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1194 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1195 /* 85 - 1680x720@120Hz 64:27 */
1196 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1197 1780, 2000, 0, 720, 725, 730, 825, 0,
1198 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1199 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1200 /* 86 - 2560x1080@24Hz 64:27 */
1201 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1202 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1203 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1204 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1205 /* 87 - 2560x1080@25Hz 64:27 */
1206 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1207 3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1208 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1209 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1210 /* 88 - 2560x1080@30Hz 64:27 */
1211 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1212 3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1213 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1214 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1215 /* 89 - 2560x1080@50Hz 64:27 */
1216 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1217 3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1218 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1219 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1220 /* 90 - 2560x1080@60Hz 64:27 */
1221 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1222 2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1223 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1224 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1225 /* 91 - 2560x1080@100Hz 64:27 */
1226 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1227 2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1228 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1229 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1230 /* 92 - 2560x1080@120Hz 64:27 */
1231 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1232 3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1233 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1234 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1235 /* 93 - 3840x2160@24Hz 16:9 */
1236 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1237 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1238 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1239 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1240 /* 94 - 3840x2160@25Hz 16:9 */
1241 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1242 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1243 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1244 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1245 /* 95 - 3840x2160@30Hz 16:9 */
1246 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1247 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1248 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1249 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1250 /* 96 - 3840x2160@50Hz 16:9 */
1251 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1252 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1253 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1254 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1255 /* 97 - 3840x2160@60Hz 16:9 */
1256 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1257 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1258 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1259 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1260 /* 98 - 4096x2160@24Hz 256:135 */
1261 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1262 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1263 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1264 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1265 /* 99 - 4096x2160@25Hz 256:135 */
1266 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1267 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1268 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1269 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1270 /* 100 - 4096x2160@30Hz 256:135 */
1271 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1272 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1273 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1274 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1275 /* 101 - 4096x2160@50Hz 256:135 */
1276 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1277 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1278 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1279 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1280 /* 102 - 4096x2160@60Hz 256:135 */
1281 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1282 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1283 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1284 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1285 /* 103 - 3840x2160@24Hz 64:27 */
1286 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1287 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1288 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1289 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1290 /* 104 - 3840x2160@25Hz 64:27 */
1291 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1292 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1293 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1294 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1295 /* 105 - 3840x2160@30Hz 64:27 */
1296 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1297 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1298 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1299 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1300 /* 106 - 3840x2160@50Hz 64:27 */
1301 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1302 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1303 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1304 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1305 /* 107 - 3840x2160@60Hz 64:27 */
1306 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1307 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1308 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1309 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1310 /* 108 - 1280x720@48Hz 16:9 */
1311 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1312 2280, 2500, 0, 720, 725, 730, 750, 0,
1313 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1314 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1315 /* 109 - 1280x720@48Hz 64:27 */
1316 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1317 2280, 2500, 0, 720, 725, 730, 750, 0,
1318 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1319 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1320 /* 110 - 1680x720@48Hz 64:27 */
1321 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1322 2530, 2750, 0, 720, 725, 730, 750, 0,
1323 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1324 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1325 /* 111 - 1920x1080@48Hz 16:9 */
1326 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1327 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1328 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1329 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1330 /* 112 - 1920x1080@48Hz 64:27 */
1331 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1332 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1333 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1334 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1335 /* 113 - 2560x1080@48Hz 64:27 */
1336 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1337 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1338 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1339 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1340 /* 114 - 3840x2160@48Hz 16:9 */
1341 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1342 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1343 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1344 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1345 /* 115 - 4096x2160@48Hz 256:135 */
1346 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1347 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1348 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1349 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1350 /* 116 - 3840x2160@48Hz 64:27 */
1351 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1352 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1353 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1354 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1355 /* 117 - 3840x2160@100Hz 16:9 */
1356 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1357 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1358 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1359 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1360 /* 118 - 3840x2160@120Hz 16:9 */
1361 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1362 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1363 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1364 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1365 /* 119 - 3840x2160@100Hz 64:27 */
1366 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1367 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1368 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1369 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1370 /* 120 - 3840x2160@120Hz 64:27 */
1371 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1372 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1373 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1374 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1375 /* 121 - 5120x2160@24Hz 64:27 */
1376 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1377 7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1378 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1379 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1380 /* 122 - 5120x2160@25Hz 64:27 */
1381 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1382 6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1383 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1384 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1385 /* 123 - 5120x2160@30Hz 64:27 */
1386 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1387 5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1388 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1389 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1390 /* 124 - 5120x2160@48Hz 64:27 */
1391 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1392 5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1393 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1394 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1395 /* 125 - 5120x2160@50Hz 64:27 */
1396 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1397 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1398 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1399 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1400 /* 126 - 5120x2160@60Hz 64:27 */
1401 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1402 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1403 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1404 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1405 /* 127 - 5120x2160@100Hz 64:27 */
1406 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1407 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1408 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1409 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1410};
1411
1412/*
1413 * From CEA/CTA-861 spec.
1414 *
1415 * Do not access directly, instead always use cea_mode_for_vic().
1416 */
1417static const struct drm_display_mode edid_cea_modes_193[] = {
1418 /* 193 - 5120x2160@120Hz 64:27 */
1419 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1420 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1421 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1422 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1423 /* 194 - 7680x4320@24Hz 16:9 */
1424 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1425 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1426 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1427 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1428 /* 195 - 7680x4320@25Hz 16:9 */
1429 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1430 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1431 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1432 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1433 /* 196 - 7680x4320@30Hz 16:9 */
1434 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1435 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1436 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1437 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1438 /* 197 - 7680x4320@48Hz 16:9 */
1439 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1440 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1441 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1442 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1443 /* 198 - 7680x4320@50Hz 16:9 */
1444 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1445 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1446 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1447 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1448 /* 199 - 7680x4320@60Hz 16:9 */
1449 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1450 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1451 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1452 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1453 /* 200 - 7680x4320@100Hz 16:9 */
1454 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1455 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1456 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1457 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1458 /* 201 - 7680x4320@120Hz 16:9 */
1459 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1460 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1461 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1462 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1463 /* 202 - 7680x4320@24Hz 64:27 */
1464 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1465 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1466 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1467 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1468 /* 203 - 7680x4320@25Hz 64:27 */
1469 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1470 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1471 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1472 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1473 /* 204 - 7680x4320@30Hz 64:27 */
1474 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1475 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1476 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1477 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1478 /* 205 - 7680x4320@48Hz 64:27 */
1479 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1480 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1481 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1482 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1483 /* 206 - 7680x4320@50Hz 64:27 */
1484 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1485 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1486 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1487 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1488 /* 207 - 7680x4320@60Hz 64:27 */
1489 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1490 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1491 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1492 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1493 /* 208 - 7680x4320@100Hz 64:27 */
1494 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1495 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1496 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1497 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1498 /* 209 - 7680x4320@120Hz 64:27 */
1499 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1500 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1501 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1502 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1503 /* 210 - 10240x4320@24Hz 64:27 */
1504 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1505 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1506 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1507 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1508 /* 211 - 10240x4320@25Hz 64:27 */
1509 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1510 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1511 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1512 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1513 /* 212 - 10240x4320@30Hz 64:27 */
1514 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1515 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1516 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1517 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1518 /* 213 - 10240x4320@48Hz 64:27 */
1519 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1520 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1521 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1522 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1523 /* 214 - 10240x4320@50Hz 64:27 */
1524 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1525 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1526 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1527 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1528 /* 215 - 10240x4320@60Hz 64:27 */
1529 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1530 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1531 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1532 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1533 /* 216 - 10240x4320@100Hz 64:27 */
1534 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1535 12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1536 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1537 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1538 /* 217 - 10240x4320@120Hz 64:27 */
1539 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1540 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1541 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1542 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1543 /* 218 - 4096x2160@100Hz 256:135 */
1544 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1545 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1546 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1547 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1548 /* 219 - 4096x2160@120Hz 256:135 */
1549 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1550 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1551 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1552 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1553};
1554
1555/*
1556 * HDMI 1.4 4k modes. Index using the VIC.
1557 */
1558static const struct drm_display_mode edid_4k_modes[] = {
1559 /* 0 - dummy, VICs start at 1 */
1560 { },
1561 /* 1 - 3840x2160@30Hz */
1562 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1563 3840, 4016, 4104, 4400, 0,
1564 2160, 2168, 2178, 2250, 0,
1565 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1566 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1567 /* 2 - 3840x2160@25Hz */
1568 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1569 3840, 4896, 4984, 5280, 0,
1570 2160, 2168, 2178, 2250, 0,
1571 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1572 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1573 /* 3 - 3840x2160@24Hz */
1574 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1575 3840, 5116, 5204, 5500, 0,
1576 2160, 2168, 2178, 2250, 0,
1577 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1578 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1579 /* 4 - 4096x2160@24Hz (SMPTE) */
1580 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1581 4096, 5116, 5204, 5500, 0,
1582 2160, 2168, 2178, 2250, 0,
1583 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1584 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1585};
1586
1587/*** DDC fetch and block validation ***/
1588
1589/*
1590 * The opaque EDID type, internal to drm_edid.c.
1591 */
1592struct drm_edid {
1593 /* Size allocated for edid */
1594 size_t size;
1595 const struct edid *edid;
1596};
1597
1598static int edid_hfeeodb_extension_block_count(const struct edid *edid);
1599
1600static int edid_hfeeodb_block_count(const struct edid *edid)
1601{
1602 int eeodb = edid_hfeeodb_extension_block_count(edid);
1603
1604 return eeodb ? eeodb + 1 : 0;
1605}
1606
1607static int edid_extension_block_count(const struct edid *edid)
1608{
1609 return edid->extensions;
1610}
1611
1612static int edid_block_count(const struct edid *edid)
1613{
1614 return edid_extension_block_count(edid) + 1;
1615}
1616
1617static int edid_size_by_blocks(int num_blocks)
1618{
1619 return num_blocks * EDID_LENGTH;
1620}
1621
1622static int edid_size(const struct edid *edid)
1623{
1624 return edid_size_by_blocks(edid_block_count(edid));
1625}
1626
1627static const void *edid_block_data(const struct edid *edid, int index)
1628{
1629 BUILD_BUG_ON(sizeof(*edid) != EDID_LENGTH);
1630
1631 return edid + index;
1632}
1633
1634static const void *edid_extension_block_data(const struct edid *edid, int index)
1635{
1636 return edid_block_data(edid, index + 1);
1637}
1638
1639/* EDID block count indicated in EDID, may exceed allocated size */
1640static int __drm_edid_block_count(const struct drm_edid *drm_edid)
1641{
1642 int num_blocks;
1643
1644 /* Starting point */
1645 num_blocks = edid_block_count(drm_edid->edid);
1646
1647 /* HF-EEODB override */
1648 if (drm_edid->size >= edid_size_by_blocks(2)) {
1649 int eeodb;
1650
1651 /*
1652 * Note: HF-EEODB may specify a smaller extension count than the
1653 * regular one. Unlike in buffer allocation, here we can use it.
1654 */
1655 eeodb = edid_hfeeodb_block_count(drm_edid->edid);
1656 if (eeodb)
1657 num_blocks = eeodb;
1658 }
1659
1660 return num_blocks;
1661}
1662
1663/* EDID block count, limited by allocated size */
1664static int drm_edid_block_count(const struct drm_edid *drm_edid)
1665{
1666 /* Limit by allocated size */
1667 return min(__drm_edid_block_count(drm_edid),
1668 (int)drm_edid->size / EDID_LENGTH);
1669}
1670
1671/* EDID extension block count, limited by allocated size */
1672static int drm_edid_extension_block_count(const struct drm_edid *drm_edid)
1673{
1674 return drm_edid_block_count(drm_edid) - 1;
1675}
1676
1677static const void *drm_edid_block_data(const struct drm_edid *drm_edid, int index)
1678{
1679 return edid_block_data(drm_edid->edid, index);
1680}
1681
1682static const void *drm_edid_extension_block_data(const struct drm_edid *drm_edid,
1683 int index)
1684{
1685 return edid_extension_block_data(drm_edid->edid, index);
1686}
1687
1688/*
1689 * Initializer helper for legacy interfaces, where we have no choice but to
1690 * trust edid size. Not for general purpose use.
1691 */
1692static const struct drm_edid *drm_edid_legacy_init(struct drm_edid *drm_edid,
1693 const struct edid *edid)
1694{
1695 if (!edid)
1696 return NULL;
1697
1698 memset(drm_edid, 0, sizeof(*drm_edid));
1699
1700 drm_edid->edid = edid;
1701 drm_edid->size = edid_size(edid);
1702
1703 return drm_edid;
1704}
1705
1706/*
1707 * EDID base and extension block iterator.
1708 *
1709 * struct drm_edid_iter iter;
1710 * const u8 *block;
1711 *
1712 * drm_edid_iter_begin(drm_edid, &iter);
1713 * drm_edid_iter_for_each(block, &iter) {
1714 * // do stuff with block
1715 * }
1716 * drm_edid_iter_end(&iter);
1717 */
1718struct drm_edid_iter {
1719 const struct drm_edid *drm_edid;
1720
1721 /* Current block index. */
1722 int index;
1723};
1724
1725static void drm_edid_iter_begin(const struct drm_edid *drm_edid,
1726 struct drm_edid_iter *iter)
1727{
1728 memset(iter, 0, sizeof(*iter));
1729
1730 iter->drm_edid = drm_edid;
1731}
1732
1733static const void *__drm_edid_iter_next(struct drm_edid_iter *iter)
1734{
1735 const void *block = NULL;
1736
1737 if (!iter->drm_edid)
1738 return NULL;
1739
1740 if (iter->index < drm_edid_block_count(iter->drm_edid))
1741 block = drm_edid_block_data(iter->drm_edid, iter->index++);
1742
1743 return block;
1744}
1745
1746#define drm_edid_iter_for_each(__block, __iter) \
1747 while (((__block) = __drm_edid_iter_next(__iter)))
1748
1749static void drm_edid_iter_end(struct drm_edid_iter *iter)
1750{
1751 memset(iter, 0, sizeof(*iter));
1752}
1753
1754static const u8 edid_header[] = {
1755 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1756};
1757
1758static void edid_header_fix(void *edid)
1759{
1760 memcpy(edid, edid_header, sizeof(edid_header));
1761}
1762
1763/**
1764 * drm_edid_header_is_valid - sanity check the header of the base EDID block
1765 * @_edid: pointer to raw base EDID block
1766 *
1767 * Sanity check the header of the base EDID block.
1768 *
1769 * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1770 */
1771int drm_edid_header_is_valid(const void *_edid)
1772{
1773 const struct edid *edid = _edid;
1774 int i, score = 0;
1775
1776 for (i = 0; i < sizeof(edid_header); i++) {
1777 if (edid->header[i] == edid_header[i])
1778 score++;
1779 }
1780
1781 return score;
1782}
1783EXPORT_SYMBOL(drm_edid_header_is_valid);
1784
1785static int edid_fixup __read_mostly = 6;
1786module_param_named(edid_fixup, edid_fixup, int, 0400);
1787MODULE_PARM_DESC(edid_fixup,
1788 "Minimum number of valid EDID header bytes (0-8, default 6)");
1789
1790static int edid_block_compute_checksum(const void *_block)
1791{
1792 const u8 *block = _block;
1793 int i;
1794 u8 csum = 0, crc = 0;
1795
1796 for (i = 0; i < EDID_LENGTH - 1; i++)
1797 csum += block[i];
1798
1799 crc = 0x100 - csum;
1800
1801 return crc;
1802}
1803
1804static int edid_block_get_checksum(const void *_block)
1805{
1806 const struct edid *block = _block;
1807
1808 return block->checksum;
1809}
1810
1811static int edid_block_tag(const void *_block)
1812{
1813 const u8 *block = _block;
1814
1815 return block[0];
1816}
1817
1818static bool edid_block_is_zero(const void *edid)
1819{
1820 return mem_is_zero(edid, EDID_LENGTH);
1821}
1822
1823static bool drm_edid_eq(const struct drm_edid *drm_edid,
1824 const void *raw_edid, size_t raw_edid_size)
1825{
1826 bool edid1_present = drm_edid && drm_edid->edid && drm_edid->size;
1827 bool edid2_present = raw_edid && raw_edid_size;
1828
1829 if (edid1_present != edid2_present)
1830 return false;
1831
1832 if (edid1_present) {
1833 if (drm_edid->size != raw_edid_size)
1834 return false;
1835
1836 if (memcmp(drm_edid->edid, raw_edid, drm_edid->size))
1837 return false;
1838 }
1839
1840 return true;
1841}
1842
1843enum edid_block_status {
1844 EDID_BLOCK_OK = 0,
1845 EDID_BLOCK_READ_FAIL,
1846 EDID_BLOCK_NULL,
1847 EDID_BLOCK_ZERO,
1848 EDID_BLOCK_HEADER_CORRUPT,
1849 EDID_BLOCK_HEADER_REPAIR,
1850 EDID_BLOCK_HEADER_FIXED,
1851 EDID_BLOCK_CHECKSUM,
1852 EDID_BLOCK_VERSION,
1853};
1854
1855static enum edid_block_status edid_block_check(const void *_block,
1856 bool is_base_block)
1857{
1858 const struct edid *block = _block;
1859
1860 if (!block)
1861 return EDID_BLOCK_NULL;
1862
1863 if (is_base_block) {
1864 int score = drm_edid_header_is_valid(block);
1865
1866 if (score < clamp(edid_fixup, 0, 8)) {
1867 if (edid_block_is_zero(block))
1868 return EDID_BLOCK_ZERO;
1869 else
1870 return EDID_BLOCK_HEADER_CORRUPT;
1871 }
1872
1873 if (score < 8)
1874 return EDID_BLOCK_HEADER_REPAIR;
1875 }
1876
1877 if (edid_block_compute_checksum(block) != edid_block_get_checksum(block)) {
1878 if (edid_block_is_zero(block))
1879 return EDID_BLOCK_ZERO;
1880 else
1881 return EDID_BLOCK_CHECKSUM;
1882 }
1883
1884 if (is_base_block) {
1885 if (block->version != 1)
1886 return EDID_BLOCK_VERSION;
1887 }
1888
1889 return EDID_BLOCK_OK;
1890}
1891
1892static bool edid_block_status_valid(enum edid_block_status status, int tag)
1893{
1894 return status == EDID_BLOCK_OK ||
1895 status == EDID_BLOCK_HEADER_FIXED ||
1896 (status == EDID_BLOCK_CHECKSUM && tag == CEA_EXT);
1897}
1898
1899static bool edid_block_valid(const void *block, bool base)
1900{
1901 return edid_block_status_valid(edid_block_check(block, base),
1902 edid_block_tag(block));
1903}
1904
1905static void edid_block_status_print(enum edid_block_status status,
1906 const struct edid *block,
1907 int block_num)
1908{
1909 switch (status) {
1910 case EDID_BLOCK_OK:
1911 break;
1912 case EDID_BLOCK_READ_FAIL:
1913 pr_debug("EDID block %d read failed\n", block_num);
1914 break;
1915 case EDID_BLOCK_NULL:
1916 pr_debug("EDID block %d pointer is NULL\n", block_num);
1917 break;
1918 case EDID_BLOCK_ZERO:
1919 pr_notice("EDID block %d is all zeroes\n", block_num);
1920 break;
1921 case EDID_BLOCK_HEADER_CORRUPT:
1922 pr_notice("EDID has corrupt header\n");
1923 break;
1924 case EDID_BLOCK_HEADER_REPAIR:
1925 pr_debug("EDID corrupt header needs repair\n");
1926 break;
1927 case EDID_BLOCK_HEADER_FIXED:
1928 pr_debug("EDID corrupt header fixed\n");
1929 break;
1930 case EDID_BLOCK_CHECKSUM:
1931 if (edid_block_status_valid(status, edid_block_tag(block))) {
1932 pr_debug("EDID block %d (tag 0x%02x) checksum is invalid, remainder is %d, ignoring\n",
1933 block_num, edid_block_tag(block),
1934 edid_block_compute_checksum(block));
1935 } else {
1936 pr_notice("EDID block %d (tag 0x%02x) checksum is invalid, remainder is %d\n",
1937 block_num, edid_block_tag(block),
1938 edid_block_compute_checksum(block));
1939 }
1940 break;
1941 case EDID_BLOCK_VERSION:
1942 pr_notice("EDID has major version %d, instead of 1\n",
1943 block->version);
1944 break;
1945 default:
1946 WARN(1, "EDID block %d unknown edid block status code %d\n",
1947 block_num, status);
1948 break;
1949 }
1950}
1951
1952static void edid_block_dump(const char *level, const void *block, int block_num)
1953{
1954 enum edid_block_status status;
1955 char prefix[20];
1956
1957 status = edid_block_check(block, block_num == 0);
1958 if (status == EDID_BLOCK_ZERO)
1959 sprintf(prefix, "\t[%02x] ZERO ", block_num);
1960 else if (!edid_block_status_valid(status, edid_block_tag(block)))
1961 sprintf(prefix, "\t[%02x] BAD ", block_num);
1962 else
1963 sprintf(prefix, "\t[%02x] GOOD ", block_num);
1964
1965 print_hex_dump(level, prefix, DUMP_PREFIX_NONE, 16, 1,
1966 block, EDID_LENGTH, false);
1967}
1968
1969/*
1970 * Validate a base or extension EDID block and optionally dump bad blocks to
1971 * the console.
1972 */
1973static bool drm_edid_block_valid(void *_block, int block_num, bool print_bad_edid,
1974 bool *edid_corrupt)
1975{
1976 struct edid *block = _block;
1977 enum edid_block_status status;
1978 bool is_base_block = block_num == 0;
1979 bool valid;
1980
1981 if (WARN_ON(!block))
1982 return false;
1983
1984 status = edid_block_check(block, is_base_block);
1985 if (status == EDID_BLOCK_HEADER_REPAIR) {
1986 DRM_DEBUG_KMS("Fixing EDID header, your hardware may be failing\n");
1987 edid_header_fix(block);
1988
1989 /* Retry with fixed header, update status if that worked. */
1990 status = edid_block_check(block, is_base_block);
1991 if (status == EDID_BLOCK_OK)
1992 status = EDID_BLOCK_HEADER_FIXED;
1993 }
1994
1995 if (edid_corrupt) {
1996 /*
1997 * Unknown major version isn't corrupt but we can't use it. Only
1998 * the base block can reset edid_corrupt to false.
1999 */
2000 if (is_base_block &&
2001 (status == EDID_BLOCK_OK || status == EDID_BLOCK_VERSION))
2002 *edid_corrupt = false;
2003 else if (status != EDID_BLOCK_OK)
2004 *edid_corrupt = true;
2005 }
2006
2007 edid_block_status_print(status, block, block_num);
2008
2009 /* Determine whether we can use this block with this status. */
2010 valid = edid_block_status_valid(status, edid_block_tag(block));
2011
2012 if (!valid && print_bad_edid && status != EDID_BLOCK_ZERO) {
2013 pr_notice("Raw EDID:\n");
2014 edid_block_dump(KERN_NOTICE, block, block_num);
2015 }
2016
2017 return valid;
2018}
2019
2020/**
2021 * drm_edid_is_valid - sanity check EDID data
2022 * @edid: EDID data
2023 *
2024 * Sanity-check an entire EDID record (including extensions)
2025 *
2026 * Return: True if the EDID data is valid, false otherwise.
2027 */
2028bool drm_edid_is_valid(struct edid *edid)
2029{
2030 int i;
2031
2032 if (!edid)
2033 return false;
2034
2035 for (i = 0; i < edid_block_count(edid); i++) {
2036 void *block = (void *)edid_block_data(edid, i);
2037
2038 if (!drm_edid_block_valid(block, i, true, NULL))
2039 return false;
2040 }
2041
2042 return true;
2043}
2044EXPORT_SYMBOL(drm_edid_is_valid);
2045
2046/**
2047 * drm_edid_valid - sanity check EDID data
2048 * @drm_edid: EDID data
2049 *
2050 * Sanity check an EDID. Cross check block count against allocated size and
2051 * checksum the blocks.
2052 *
2053 * Return: True if the EDID data is valid, false otherwise.
2054 */
2055bool drm_edid_valid(const struct drm_edid *drm_edid)
2056{
2057 int i;
2058
2059 if (!drm_edid)
2060 return false;
2061
2062 if (edid_size_by_blocks(__drm_edid_block_count(drm_edid)) != drm_edid->size)
2063 return false;
2064
2065 for (i = 0; i < drm_edid_block_count(drm_edid); i++) {
2066 const void *block = drm_edid_block_data(drm_edid, i);
2067
2068 if (!edid_block_valid(block, i == 0))
2069 return false;
2070 }
2071
2072 return true;
2073}
2074EXPORT_SYMBOL(drm_edid_valid);
2075
2076static struct edid *edid_filter_invalid_blocks(struct edid *edid,
2077 size_t *alloc_size)
2078{
2079 struct edid *new;
2080 int i, valid_blocks = 0;
2081
2082 /*
2083 * Note: If the EDID uses HF-EEODB, but has invalid blocks, we'll revert
2084 * back to regular extension count here. We don't want to start
2085 * modifying the HF-EEODB extension too.
2086 */
2087 for (i = 0; i < edid_block_count(edid); i++) {
2088 const void *src_block = edid_block_data(edid, i);
2089
2090 if (edid_block_valid(src_block, i == 0)) {
2091 void *dst_block = (void *)edid_block_data(edid, valid_blocks);
2092
2093 memmove(dst_block, src_block, EDID_LENGTH);
2094 valid_blocks++;
2095 }
2096 }
2097
2098 /* We already trusted the base block to be valid here... */
2099 if (WARN_ON(!valid_blocks)) {
2100 kfree(edid);
2101 return NULL;
2102 }
2103
2104 edid->extensions = valid_blocks - 1;
2105 edid->checksum = edid_block_compute_checksum(edid);
2106
2107 *alloc_size = edid_size_by_blocks(valid_blocks);
2108
2109 new = krealloc(edid, *alloc_size, GFP_KERNEL);
2110 if (!new)
2111 kfree(edid);
2112
2113 return new;
2114}
2115
2116#define DDC_SEGMENT_ADDR 0x30
2117/**
2118 * drm_do_probe_ddc_edid() - get EDID information via I2C
2119 * @data: I2C device adapter
2120 * @buf: EDID data buffer to be filled
2121 * @block: 128 byte EDID block to start fetching from
2122 * @len: EDID data buffer length to fetch
2123 *
2124 * Try to fetch EDID information by calling I2C driver functions.
2125 *
2126 * Return: 0 on success or -1 on failure.
2127 */
2128static int
2129drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
2130{
2131 struct i2c_adapter *adapter = data;
2132 unsigned char start = block * EDID_LENGTH;
2133 unsigned char segment = block >> 1;
2134 unsigned char xfers = segment ? 3 : 2;
2135 int ret, retries = 5;
2136
2137 /*
2138 * The core I2C driver will automatically retry the transfer if the
2139 * adapter reports EAGAIN. However, we find that bit-banging transfers
2140 * are susceptible to errors under a heavily loaded machine and
2141 * generate spurious NAKs and timeouts. Retrying the transfer
2142 * of the individual block a few times seems to overcome this.
2143 */
2144 do {
2145 struct i2c_msg msgs[] = {
2146 {
2147 .addr = DDC_SEGMENT_ADDR,
2148 .flags = 0,
2149 .len = 1,
2150 .buf = &segment,
2151 }, {
2152 .addr = DDC_ADDR,
2153 .flags = 0,
2154 .len = 1,
2155 .buf = &start,
2156 }, {
2157 .addr = DDC_ADDR,
2158 .flags = I2C_M_RD,
2159 .len = len,
2160 .buf = buf,
2161 }
2162 };
2163
2164 /*
2165 * Avoid sending the segment addr to not upset non-compliant
2166 * DDC monitors.
2167 */
2168 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
2169
2170 if (ret == -ENXIO) {
2171 DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
2172 adapter->name);
2173 break;
2174 }
2175 } while (ret != xfers && --retries);
2176
2177 return ret == xfers ? 0 : -1;
2178}
2179
2180static void connector_bad_edid(struct drm_connector *connector,
2181 const struct edid *edid, int num_blocks)
2182{
2183 int i;
2184 u8 last_block;
2185
2186 /*
2187 * 0x7e in the EDID is the number of extension blocks. The EDID
2188 * is 1 (base block) + num_ext_blocks big. That means we can think
2189 * of 0x7e in the EDID of the _index_ of the last block in the
2190 * combined chunk of memory.
2191 */
2192 last_block = edid->extensions;
2193
2194 /* Calculate real checksum for the last edid extension block data */
2195 if (last_block < num_blocks)
2196 connector->real_edid_checksum =
2197 edid_block_compute_checksum(edid + last_block);
2198
2199 if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
2200 return;
2201
2202 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID is invalid:\n",
2203 connector->base.id, connector->name);
2204 for (i = 0; i < num_blocks; i++)
2205 edid_block_dump(KERN_DEBUG, edid + i, i);
2206}
2207
2208/* Get override or firmware EDID */
2209static const struct drm_edid *drm_edid_override_get(struct drm_connector *connector)
2210{
2211 const struct drm_edid *override = NULL;
2212
2213 mutex_lock(&connector->edid_override_mutex);
2214
2215 if (connector->edid_override)
2216 override = drm_edid_dup(connector->edid_override);
2217
2218 mutex_unlock(&connector->edid_override_mutex);
2219
2220 if (!override)
2221 override = drm_edid_load_firmware(connector);
2222
2223 return IS_ERR(override) ? NULL : override;
2224}
2225
2226/* For debugfs edid_override implementation */
2227int drm_edid_override_show(struct drm_connector *connector, struct seq_file *m)
2228{
2229 const struct drm_edid *drm_edid;
2230
2231 mutex_lock(&connector->edid_override_mutex);
2232
2233 drm_edid = connector->edid_override;
2234 if (drm_edid)
2235 seq_write(m, drm_edid->edid, drm_edid->size);
2236
2237 mutex_unlock(&connector->edid_override_mutex);
2238
2239 return 0;
2240}
2241
2242/* For debugfs edid_override implementation */
2243int drm_edid_override_set(struct drm_connector *connector, const void *edid,
2244 size_t size)
2245{
2246 const struct drm_edid *drm_edid;
2247
2248 drm_edid = drm_edid_alloc(edid, size);
2249 if (!drm_edid_valid(drm_edid)) {
2250 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override invalid\n",
2251 connector->base.id, connector->name);
2252 drm_edid_free(drm_edid);
2253 return -EINVAL;
2254 }
2255
2256 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override set\n",
2257 connector->base.id, connector->name);
2258
2259 mutex_lock(&connector->edid_override_mutex);
2260
2261 drm_edid_free(connector->edid_override);
2262 connector->edid_override = drm_edid;
2263
2264 mutex_unlock(&connector->edid_override_mutex);
2265
2266 return 0;
2267}
2268
2269/* For debugfs edid_override implementation */
2270int drm_edid_override_reset(struct drm_connector *connector)
2271{
2272 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] EDID override reset\n",
2273 connector->base.id, connector->name);
2274
2275 mutex_lock(&connector->edid_override_mutex);
2276
2277 drm_edid_free(connector->edid_override);
2278 connector->edid_override = NULL;
2279
2280 mutex_unlock(&connector->edid_override_mutex);
2281
2282 return 0;
2283}
2284
2285/**
2286 * drm_edid_override_connector_update - add modes from override/firmware EDID
2287 * @connector: connector we're probing
2288 *
2289 * Add modes from the override/firmware EDID, if available. Only to be used from
2290 * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
2291 * failed during drm_get_edid() and caused the override/firmware EDID to be
2292 * skipped.
2293 *
2294 * Return: The number of modes added or 0 if we couldn't find any.
2295 */
2296int drm_edid_override_connector_update(struct drm_connector *connector)
2297{
2298 const struct drm_edid *override;
2299 int num_modes = 0;
2300
2301 override = drm_edid_override_get(connector);
2302 if (override) {
2303 if (drm_edid_connector_update(connector, override) == 0)
2304 num_modes = drm_edid_connector_add_modes(connector);
2305
2306 drm_edid_free(override);
2307
2308 drm_dbg_kms(connector->dev,
2309 "[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
2310 connector->base.id, connector->name, num_modes);
2311 }
2312
2313 return num_modes;
2314}
2315EXPORT_SYMBOL(drm_edid_override_connector_update);
2316
2317typedef int read_block_fn(void *context, u8 *buf, unsigned int block, size_t len);
2318
2319static enum edid_block_status edid_block_read(void *block, unsigned int block_num,
2320 read_block_fn read_block,
2321 void *context)
2322{
2323 enum edid_block_status status;
2324 bool is_base_block = block_num == 0;
2325 int try;
2326
2327 for (try = 0; try < 4; try++) {
2328 if (read_block(context, block, block_num, EDID_LENGTH))
2329 return EDID_BLOCK_READ_FAIL;
2330
2331 status = edid_block_check(block, is_base_block);
2332 if (status == EDID_BLOCK_HEADER_REPAIR) {
2333 edid_header_fix(block);
2334
2335 /* Retry with fixed header, update status if that worked. */
2336 status = edid_block_check(block, is_base_block);
2337 if (status == EDID_BLOCK_OK)
2338 status = EDID_BLOCK_HEADER_FIXED;
2339 }
2340
2341 if (edid_block_status_valid(status, edid_block_tag(block)))
2342 break;
2343
2344 /* Fail early for unrepairable base block all zeros. */
2345 if (try == 0 && is_base_block && status == EDID_BLOCK_ZERO)
2346 break;
2347 }
2348
2349 return status;
2350}
2351
2352static struct edid *_drm_do_get_edid(struct drm_connector *connector,
2353 read_block_fn read_block, void *context,
2354 size_t *size)
2355{
2356 enum edid_block_status status;
2357 int i, num_blocks, invalid_blocks = 0;
2358 const struct drm_edid *override;
2359 struct edid *edid, *new;
2360 size_t alloc_size = EDID_LENGTH;
2361
2362 override = drm_edid_override_get(connector);
2363 if (override) {
2364 alloc_size = override->size;
2365 edid = kmemdup(override->edid, alloc_size, GFP_KERNEL);
2366 drm_edid_free(override);
2367 if (!edid)
2368 return NULL;
2369 goto ok;
2370 }
2371
2372 edid = kmalloc(alloc_size, GFP_KERNEL);
2373 if (!edid)
2374 return NULL;
2375
2376 status = edid_block_read(edid, 0, read_block, context);
2377
2378 edid_block_status_print(status, edid, 0);
2379
2380 if (status == EDID_BLOCK_READ_FAIL)
2381 goto fail;
2382
2383 /* FIXME: Clarify what a corrupt EDID actually means. */
2384 if (status == EDID_BLOCK_OK || status == EDID_BLOCK_VERSION)
2385 connector->edid_corrupt = false;
2386 else
2387 connector->edid_corrupt = true;
2388
2389 if (!edid_block_status_valid(status, edid_block_tag(edid))) {
2390 if (status == EDID_BLOCK_ZERO)
2391 connector->null_edid_counter++;
2392
2393 connector_bad_edid(connector, edid, 1);
2394 goto fail;
2395 }
2396
2397 if (!edid_extension_block_count(edid))
2398 goto ok;
2399
2400 alloc_size = edid_size(edid);
2401 new = krealloc(edid, alloc_size, GFP_KERNEL);
2402 if (!new)
2403 goto fail;
2404 edid = new;
2405
2406 num_blocks = edid_block_count(edid);
2407 for (i = 1; i < num_blocks; i++) {
2408 void *block = (void *)edid_block_data(edid, i);
2409
2410 status = edid_block_read(block, i, read_block, context);
2411
2412 edid_block_status_print(status, block, i);
2413
2414 if (!edid_block_status_valid(status, edid_block_tag(block))) {
2415 if (status == EDID_BLOCK_READ_FAIL)
2416 goto fail;
2417 invalid_blocks++;
2418 } else if (i == 1) {
2419 /*
2420 * If the first EDID extension is a CTA extension, and
2421 * the first Data Block is HF-EEODB, override the
2422 * extension block count.
2423 *
2424 * Note: HF-EEODB could specify a smaller extension
2425 * count too, but we can't risk allocating a smaller
2426 * amount.
2427 */
2428 int eeodb = edid_hfeeodb_block_count(edid);
2429
2430 if (eeodb > num_blocks) {
2431 num_blocks = eeodb;
2432 alloc_size = edid_size_by_blocks(num_blocks);
2433 new = krealloc(edid, alloc_size, GFP_KERNEL);
2434 if (!new)
2435 goto fail;
2436 edid = new;
2437 }
2438 }
2439 }
2440
2441 if (invalid_blocks) {
2442 connector_bad_edid(connector, edid, num_blocks);
2443
2444 edid = edid_filter_invalid_blocks(edid, &alloc_size);
2445 }
2446
2447ok:
2448 if (size)
2449 *size = alloc_size;
2450
2451 return edid;
2452
2453fail:
2454 kfree(edid);
2455 return NULL;
2456}
2457
2458/**
2459 * drm_edid_raw - Get a pointer to the raw EDID data.
2460 * @drm_edid: drm_edid container
2461 *
2462 * Get a pointer to the raw EDID data.
2463 *
2464 * This is for transition only. Avoid using this like the plague.
2465 *
2466 * Return: Pointer to raw EDID data.
2467 */
2468const struct edid *drm_edid_raw(const struct drm_edid *drm_edid)
2469{
2470 if (!drm_edid || !drm_edid->size)
2471 return NULL;
2472
2473 /*
2474 * Do not return pointers where relying on EDID extension count would
2475 * lead to buffer overflow.
2476 */
2477 if (WARN_ON(edid_size(drm_edid->edid) > drm_edid->size))
2478 return NULL;
2479
2480 return drm_edid->edid;
2481}
2482EXPORT_SYMBOL(drm_edid_raw);
2483
2484/* Allocate struct drm_edid container *without* duplicating the edid data */
2485static const struct drm_edid *_drm_edid_alloc(const void *edid, size_t size)
2486{
2487 struct drm_edid *drm_edid;
2488
2489 if (!edid || !size || size < EDID_LENGTH)
2490 return NULL;
2491
2492 drm_edid = kzalloc(sizeof(*drm_edid), GFP_KERNEL);
2493 if (drm_edid) {
2494 drm_edid->edid = edid;
2495 drm_edid->size = size;
2496 }
2497
2498 return drm_edid;
2499}
2500
2501/**
2502 * drm_edid_alloc - Allocate a new drm_edid container
2503 * @edid: Pointer to raw EDID data
2504 * @size: Size of memory allocated for EDID
2505 *
2506 * Allocate a new drm_edid container. Do not calculate edid size from edid, pass
2507 * the actual size that has been allocated for the data. There is no validation
2508 * of the raw EDID data against the size, but at least the EDID base block must
2509 * fit in the buffer.
2510 *
2511 * The returned pointer must be freed using drm_edid_free().
2512 *
2513 * Return: drm_edid container, or NULL on errors
2514 */
2515const struct drm_edid *drm_edid_alloc(const void *edid, size_t size)
2516{
2517 const struct drm_edid *drm_edid;
2518
2519 if (!edid || !size || size < EDID_LENGTH)
2520 return NULL;
2521
2522 edid = kmemdup(edid, size, GFP_KERNEL);
2523 if (!edid)
2524 return NULL;
2525
2526 drm_edid = _drm_edid_alloc(edid, size);
2527 if (!drm_edid)
2528 kfree(edid);
2529
2530 return drm_edid;
2531}
2532EXPORT_SYMBOL(drm_edid_alloc);
2533
2534/**
2535 * drm_edid_dup - Duplicate a drm_edid container
2536 * @drm_edid: EDID to duplicate
2537 *
2538 * The returned pointer must be freed using drm_edid_free().
2539 *
2540 * Returns: drm_edid container copy, or NULL on errors
2541 */
2542const struct drm_edid *drm_edid_dup(const struct drm_edid *drm_edid)
2543{
2544 if (!drm_edid)
2545 return NULL;
2546
2547 return drm_edid_alloc(drm_edid->edid, drm_edid->size);
2548}
2549EXPORT_SYMBOL(drm_edid_dup);
2550
2551/**
2552 * drm_edid_free - Free the drm_edid container
2553 * @drm_edid: EDID to free
2554 */
2555void drm_edid_free(const struct drm_edid *drm_edid)
2556{
2557 if (!drm_edid)
2558 return;
2559
2560 kfree(drm_edid->edid);
2561 kfree(drm_edid);
2562}
2563EXPORT_SYMBOL(drm_edid_free);
2564
2565/**
2566 * drm_probe_ddc() - probe DDC presence
2567 * @adapter: I2C adapter to probe
2568 *
2569 * Return: True on success, false on failure.
2570 */
2571bool
2572drm_probe_ddc(struct i2c_adapter *adapter)
2573{
2574 unsigned char out;
2575
2576 return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2577}
2578EXPORT_SYMBOL(drm_probe_ddc);
2579
2580/**
2581 * drm_get_edid - get EDID data, if available
2582 * @connector: connector we're probing
2583 * @adapter: I2C adapter to use for DDC
2584 *
2585 * Poke the given I2C channel to grab EDID data if possible. If found,
2586 * attach it to the connector.
2587 *
2588 * Return: Pointer to valid EDID or NULL if we couldn't find any.
2589 */
2590struct edid *drm_get_edid(struct drm_connector *connector,
2591 struct i2c_adapter *adapter)
2592{
2593 struct edid *edid;
2594
2595 if (connector->force == DRM_FORCE_OFF)
2596 return NULL;
2597
2598 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2599 return NULL;
2600
2601 edid = _drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter, NULL);
2602 drm_connector_update_edid_property(connector, edid);
2603 return edid;
2604}
2605EXPORT_SYMBOL(drm_get_edid);
2606
2607/**
2608 * drm_edid_read_custom - Read EDID data using given EDID block read function
2609 * @connector: Connector to use
2610 * @read_block: EDID block read function
2611 * @context: Private data passed to the block read function
2612 *
2613 * When the I2C adapter connected to the DDC bus is hidden behind a device that
2614 * exposes a different interface to read EDID blocks this function can be used
2615 * to get EDID data using a custom block read function.
2616 *
2617 * As in the general case the DDC bus is accessible by the kernel at the I2C
2618 * level, drivers must make all reasonable efforts to expose it as an I2C
2619 * adapter and use drm_edid_read() or drm_edid_read_ddc() instead of abusing
2620 * this function.
2621 *
2622 * The EDID may be overridden using debugfs override_edid or firmware EDID
2623 * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2624 * order. Having either of them bypasses actual EDID reads.
2625 *
2626 * The returned pointer must be freed using drm_edid_free().
2627 *
2628 * Return: Pointer to EDID, or NULL if probe/read failed.
2629 */
2630const struct drm_edid *drm_edid_read_custom(struct drm_connector *connector,
2631 read_block_fn read_block,
2632 void *context)
2633{
2634 const struct drm_edid *drm_edid;
2635 struct edid *edid;
2636 size_t size = 0;
2637
2638 edid = _drm_do_get_edid(connector, read_block, context, &size);
2639 if (!edid)
2640 return NULL;
2641
2642 /* Sanity check for now */
2643 drm_WARN_ON(connector->dev, !size);
2644
2645 drm_edid = _drm_edid_alloc(edid, size);
2646 if (!drm_edid)
2647 kfree(edid);
2648
2649 return drm_edid;
2650}
2651EXPORT_SYMBOL(drm_edid_read_custom);
2652
2653/**
2654 * drm_edid_read_ddc - Read EDID data using given I2C adapter
2655 * @connector: Connector to use
2656 * @adapter: I2C adapter to use for DDC
2657 *
2658 * Read EDID using the given I2C adapter.
2659 *
2660 * The EDID may be overridden using debugfs override_edid or firmware EDID
2661 * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2662 * order. Having either of them bypasses actual EDID reads.
2663 *
2664 * Prefer initializing connector->ddc with drm_connector_init_with_ddc() and
2665 * using drm_edid_read() instead of this function.
2666 *
2667 * The returned pointer must be freed using drm_edid_free().
2668 *
2669 * Return: Pointer to EDID, or NULL if probe/read failed.
2670 */
2671const struct drm_edid *drm_edid_read_ddc(struct drm_connector *connector,
2672 struct i2c_adapter *adapter)
2673{
2674 const struct drm_edid *drm_edid;
2675
2676 if (connector->force == DRM_FORCE_OFF)
2677 return NULL;
2678
2679 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2680 return NULL;
2681
2682 drm_edid = drm_edid_read_custom(connector, drm_do_probe_ddc_edid, adapter);
2683
2684 /* Note: Do *not* call connector updates here. */
2685
2686 return drm_edid;
2687}
2688EXPORT_SYMBOL(drm_edid_read_ddc);
2689
2690/**
2691 * drm_edid_read - Read EDID data using connector's I2C adapter
2692 * @connector: Connector to use
2693 *
2694 * Read EDID using the connector's I2C adapter.
2695 *
2696 * The EDID may be overridden using debugfs override_edid or firmware EDID
2697 * (drm_edid_load_firmware() and drm.edid_firmware parameter), in this priority
2698 * order. Having either of them bypasses actual EDID reads.
2699 *
2700 * The returned pointer must be freed using drm_edid_free().
2701 *
2702 * Return: Pointer to EDID, or NULL if probe/read failed.
2703 */
2704const struct drm_edid *drm_edid_read(struct drm_connector *connector)
2705{
2706 if (drm_WARN_ON(connector->dev, !connector->ddc))
2707 return NULL;
2708
2709 return drm_edid_read_ddc(connector, connector->ddc);
2710}
2711EXPORT_SYMBOL(drm_edid_read);
2712
2713/**
2714 * drm_edid_get_product_id - Get the vendor and product identification
2715 * @drm_edid: EDID
2716 * @id: Where to place the product id
2717 */
2718void drm_edid_get_product_id(const struct drm_edid *drm_edid,
2719 struct drm_edid_product_id *id)
2720{
2721 if (drm_edid && drm_edid->edid && drm_edid->size >= EDID_LENGTH)
2722 memcpy(id, &drm_edid->edid->product_id, sizeof(*id));
2723 else
2724 memset(id, 0, sizeof(*id));
2725}
2726EXPORT_SYMBOL(drm_edid_get_product_id);
2727
2728static void decode_date(struct seq_buf *s, const struct drm_edid_product_id *id)
2729{
2730 int week = id->week_of_manufacture;
2731 int year = id->year_of_manufacture + 1990;
2732
2733 if (week == 0xff)
2734 seq_buf_printf(s, "model year: %d", year);
2735 else if (!week)
2736 seq_buf_printf(s, "year of manufacture: %d", year);
2737 else
2738 seq_buf_printf(s, "week/year of manufacture: %d/%d", week, year);
2739}
2740
2741/**
2742 * drm_edid_print_product_id - Print decoded product id to printer
2743 * @p: drm printer
2744 * @id: EDID product id
2745 * @raw: If true, also print the raw hex
2746 *
2747 * See VESA E-EDID 1.4 section 3.4.
2748 */
2749void drm_edid_print_product_id(struct drm_printer *p,
2750 const struct drm_edid_product_id *id, bool raw)
2751{
2752 DECLARE_SEQ_BUF(date, 40);
2753 char vend[4];
2754
2755 drm_edid_decode_mfg_id(be16_to_cpu(id->manufacturer_name), vend);
2756
2757 decode_date(&date, id);
2758
2759 drm_printf(p, "manufacturer name: %s, product code: %u, serial number: %u, %s\n",
2760 vend, le16_to_cpu(id->product_code),
2761 le32_to_cpu(id->serial_number), seq_buf_str(&date));
2762
2763 if (raw)
2764 drm_printf(p, "raw product id: %*ph\n", (int)sizeof(*id), id);
2765
2766 WARN_ON(seq_buf_has_overflowed(&date));
2767}
2768EXPORT_SYMBOL(drm_edid_print_product_id);
2769
2770/**
2771 * drm_edid_get_panel_id - Get a panel's ID from EDID
2772 * @drm_edid: EDID that contains panel ID.
2773 *
2774 * This function uses the first block of the EDID of a panel and (assuming
2775 * that the EDID is valid) extracts the ID out of it. The ID is a 32-bit value
2776 * (16 bits of manufacturer ID and 16 bits of per-manufacturer ID) that's
2777 * supposed to be different for each different modem of panel.
2778 *
2779 * Return: A 32-bit ID that should be different for each make/model of panel.
2780 * See the functions drm_edid_encode_panel_id() and
2781 * drm_edid_decode_panel_id() for some details on the structure of this
2782 * ID. Return 0 if the EDID size is less than a base block.
2783 */
2784u32 drm_edid_get_panel_id(const struct drm_edid *drm_edid)
2785{
2786 const struct edid *edid = drm_edid->edid;
2787
2788 if (drm_edid->size < EDID_LENGTH)
2789 return 0;
2790
2791 /*
2792 * We represent the ID as a 32-bit number so it can easily be compared
2793 * with "==".
2794 *
2795 * NOTE that we deal with endianness differently for the top half
2796 * of this ID than for the bottom half. The bottom half (the product
2797 * id) gets decoded as little endian by the EDID_PRODUCT_ID because
2798 * that's how everyone seems to interpret it. The top half (the mfg_id)
2799 * gets stored as big endian because that makes
2800 * drm_edid_encode_panel_id() and drm_edid_decode_panel_id() easier
2801 * to write (it's easier to extract the ASCII). It doesn't really
2802 * matter, though, as long as the number here is unique.
2803 */
2804 return (u32)edid->mfg_id[0] << 24 |
2805 (u32)edid->mfg_id[1] << 16 |
2806 (u32)EDID_PRODUCT_ID(edid);
2807}
2808EXPORT_SYMBOL(drm_edid_get_panel_id);
2809
2810/**
2811 * drm_edid_read_base_block - Get a panel's EDID base block
2812 * @adapter: I2C adapter to use for DDC
2813 *
2814 * This function returns the drm_edid containing the first block of the EDID of
2815 * a panel.
2816 *
2817 * This function is intended to be used during early probing on devices where
2818 * more than one panel might be present. Because of its intended use it must
2819 * assume that the EDID of the panel is correct, at least as far as the base
2820 * block is concerned (in other words, we don't process any overrides here).
2821 *
2822 * Caller should call drm_edid_free() after use.
2823 *
2824 * NOTE: it's expected that this function and drm_do_get_edid() will both
2825 * be read the EDID, but there is no caching between them. Since we're only
2826 * reading the first block, hopefully this extra overhead won't be too big.
2827 *
2828 * WARNING: Only use this function when the connector is unknown. For example,
2829 * during the early probe of panel. The EDID read from the function is temporary
2830 * and should be replaced by the full EDID returned from other drm_edid_read.
2831 *
2832 * Return: Pointer to allocated EDID base block, or NULL on any failure.
2833 */
2834const struct drm_edid *drm_edid_read_base_block(struct i2c_adapter *adapter)
2835{
2836 enum edid_block_status status;
2837 void *base_block;
2838
2839 base_block = kzalloc(EDID_LENGTH, GFP_KERNEL);
2840 if (!base_block)
2841 return NULL;
2842
2843 status = edid_block_read(base_block, 0, drm_do_probe_ddc_edid, adapter);
2844
2845 edid_block_status_print(status, base_block, 0);
2846
2847 if (!edid_block_status_valid(status, edid_block_tag(base_block))) {
2848 edid_block_dump(KERN_NOTICE, base_block, 0);
2849 kfree(base_block);
2850 return NULL;
2851 }
2852
2853 return _drm_edid_alloc(base_block, EDID_LENGTH);
2854}
2855EXPORT_SYMBOL(drm_edid_read_base_block);
2856
2857/**
2858 * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2859 * @connector: connector we're probing
2860 * @adapter: I2C adapter to use for DDC
2861 *
2862 * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2863 * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2864 * switch DDC to the GPU which is retrieving EDID.
2865 *
2866 * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2867 */
2868struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2869 struct i2c_adapter *adapter)
2870{
2871 struct drm_device *dev = connector->dev;
2872 struct pci_dev *pdev = to_pci_dev(dev->dev);
2873 struct edid *edid;
2874
2875 if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2876 return NULL;
2877
2878 vga_switcheroo_lock_ddc(pdev);
2879 edid = drm_get_edid(connector, adapter);
2880 vga_switcheroo_unlock_ddc(pdev);
2881
2882 return edid;
2883}
2884EXPORT_SYMBOL(drm_get_edid_switcheroo);
2885
2886/**
2887 * drm_edid_read_switcheroo - get EDID data for a vga_switcheroo output
2888 * @connector: connector we're probing
2889 * @adapter: I2C adapter to use for DDC
2890 *
2891 * Wrapper around drm_edid_read_ddc() for laptops with dual GPUs using one set
2892 * of outputs. The wrapper adds the requisite vga_switcheroo calls to
2893 * temporarily switch DDC to the GPU which is retrieving EDID.
2894 *
2895 * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2896 */
2897const struct drm_edid *drm_edid_read_switcheroo(struct drm_connector *connector,
2898 struct i2c_adapter *adapter)
2899{
2900 struct drm_device *dev = connector->dev;
2901 struct pci_dev *pdev = to_pci_dev(dev->dev);
2902 const struct drm_edid *drm_edid;
2903
2904 if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2905 return NULL;
2906
2907 vga_switcheroo_lock_ddc(pdev);
2908 drm_edid = drm_edid_read_ddc(connector, adapter);
2909 vga_switcheroo_unlock_ddc(pdev);
2910
2911 return drm_edid;
2912}
2913EXPORT_SYMBOL(drm_edid_read_switcheroo);
2914
2915/**
2916 * drm_edid_duplicate - duplicate an EDID and the extensions
2917 * @edid: EDID to duplicate
2918 *
2919 * Return: Pointer to duplicated EDID or NULL on allocation failure.
2920 */
2921struct edid *drm_edid_duplicate(const struct edid *edid)
2922{
2923 if (!edid)
2924 return NULL;
2925
2926 return kmemdup(edid, edid_size(edid), GFP_KERNEL);
2927}
2928EXPORT_SYMBOL(drm_edid_duplicate);
2929
2930/*** EDID parsing ***/
2931
2932/**
2933 * edid_get_quirks - return quirk flags for a given EDID
2934 * @drm_edid: EDID to process
2935 *
2936 * This tells subsequent routines what fixes they need to apply.
2937 *
2938 * Return: A u32 represents the quirks to apply.
2939 */
2940static u32 edid_get_quirks(const struct drm_edid *drm_edid)
2941{
2942 const struct edid_quirk *quirk;
2943 int i;
2944
2945 for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2946 quirk = &edid_quirk_list[i];
2947 if (drm_edid_match(drm_edid, &quirk->ident))
2948 return quirk->quirks;
2949 }
2950
2951 return 0;
2952}
2953
2954#define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2955#define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2956
2957/*
2958 * Walk the mode list for connector, clearing the preferred status on existing
2959 * modes and setting it anew for the right mode ala quirks.
2960 */
2961static void edid_fixup_preferred(struct drm_connector *connector)
2962{
2963 const struct drm_display_info *info = &connector->display_info;
2964 struct drm_display_mode *t, *cur_mode, *preferred_mode;
2965 int target_refresh = 0;
2966 int cur_vrefresh, preferred_vrefresh;
2967
2968 if (list_empty(&connector->probed_modes))
2969 return;
2970
2971 if (info->quirks & EDID_QUIRK_PREFER_LARGE_60)
2972 target_refresh = 60;
2973 if (info->quirks & EDID_QUIRK_PREFER_LARGE_75)
2974 target_refresh = 75;
2975
2976 preferred_mode = list_first_entry(&connector->probed_modes,
2977 struct drm_display_mode, head);
2978
2979 list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2980 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2981
2982 if (cur_mode == preferred_mode)
2983 continue;
2984
2985 /* Largest mode is preferred */
2986 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2987 preferred_mode = cur_mode;
2988
2989 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2990 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2991 /* At a given size, try to get closest to target refresh */
2992 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2993 MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2994 MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2995 preferred_mode = cur_mode;
2996 }
2997 }
2998
2999 preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
3000}
3001
3002static bool
3003mode_is_rb(const struct drm_display_mode *mode)
3004{
3005 return (mode->htotal - mode->hdisplay == 160) &&
3006 (mode->hsync_end - mode->hdisplay == 80) &&
3007 (mode->hsync_end - mode->hsync_start == 32) &&
3008 (mode->vsync_start - mode->vdisplay == 3);
3009}
3010
3011/*
3012 * drm_mode_find_dmt - Create a copy of a mode if present in DMT
3013 * @dev: Device to duplicate against
3014 * @hsize: Mode width
3015 * @vsize: Mode height
3016 * @fresh: Mode refresh rate
3017 * @rb: Mode reduced-blanking-ness
3018 *
3019 * Walk the DMT mode list looking for a match for the given parameters.
3020 *
3021 * Return: A newly allocated copy of the mode, or NULL if not found.
3022 */
3023struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
3024 int hsize, int vsize, int fresh,
3025 bool rb)
3026{
3027 int i;
3028
3029 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
3030 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
3031
3032 if (hsize != ptr->hdisplay)
3033 continue;
3034 if (vsize != ptr->vdisplay)
3035 continue;
3036 if (fresh != drm_mode_vrefresh(ptr))
3037 continue;
3038 if (rb != mode_is_rb(ptr))
3039 continue;
3040
3041 return drm_mode_duplicate(dev, ptr);
3042 }
3043
3044 return NULL;
3045}
3046EXPORT_SYMBOL(drm_mode_find_dmt);
3047
3048static bool is_display_descriptor(const struct detailed_timing *descriptor, u8 type)
3049{
3050 BUILD_BUG_ON(offsetof(typeof(*descriptor), pixel_clock) != 0);
3051 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.pad1) != 2);
3052 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.type) != 3);
3053
3054 return descriptor->pixel_clock == 0 &&
3055 descriptor->data.other_data.pad1 == 0 &&
3056 descriptor->data.other_data.type == type;
3057}
3058
3059static bool is_detailed_timing_descriptor(const struct detailed_timing *descriptor)
3060{
3061 BUILD_BUG_ON(offsetof(typeof(*descriptor), pixel_clock) != 0);
3062
3063 return descriptor->pixel_clock != 0;
3064}
3065
3066typedef void detailed_cb(const struct detailed_timing *timing, void *closure);
3067
3068static void
3069cea_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
3070{
3071 int i, n;
3072 u8 d = ext[0x02];
3073 const u8 *det_base = ext + d;
3074
3075 if (d < 4 || d > 127)
3076 return;
3077
3078 n = (127 - d) / 18;
3079 for (i = 0; i < n; i++)
3080 cb((const struct detailed_timing *)(det_base + 18 * i), closure);
3081}
3082
3083static void
3084vtb_for_each_detailed_block(const u8 *ext, detailed_cb *cb, void *closure)
3085{
3086 unsigned int i, n = min((int)ext[0x02], 6);
3087 const u8 *det_base = ext + 5;
3088
3089 if (ext[0x01] != 1)
3090 return; /* unknown version */
3091
3092 for (i = 0; i < n; i++)
3093 cb((const struct detailed_timing *)(det_base + 18 * i), closure);
3094}
3095
3096static void drm_for_each_detailed_block(const struct drm_edid *drm_edid,
3097 detailed_cb *cb, void *closure)
3098{
3099 struct drm_edid_iter edid_iter;
3100 const u8 *ext;
3101 int i;
3102
3103 if (!drm_edid)
3104 return;
3105
3106 for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
3107 cb(&drm_edid->edid->detailed_timings[i], closure);
3108
3109 drm_edid_iter_begin(drm_edid, &edid_iter);
3110 drm_edid_iter_for_each(ext, &edid_iter) {
3111 switch (*ext) {
3112 case CEA_EXT:
3113 cea_for_each_detailed_block(ext, cb, closure);
3114 break;
3115 case VTB_EXT:
3116 vtb_for_each_detailed_block(ext, cb, closure);
3117 break;
3118 default:
3119 break;
3120 }
3121 }
3122 drm_edid_iter_end(&edid_iter);
3123}
3124
3125static void
3126is_rb(const struct detailed_timing *descriptor, void *data)
3127{
3128 bool *res = data;
3129
3130 if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3131 return;
3132
3133 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3134 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.cvt.flags) != 15);
3135
3136 if (descriptor->data.other_data.data.range.flags == DRM_EDID_CVT_SUPPORT_FLAG &&
3137 descriptor->data.other_data.data.range.formula.cvt.flags & DRM_EDID_CVT_FLAGS_REDUCED_BLANKING)
3138 *res = true;
3139}
3140
3141/* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
3142static bool
3143drm_monitor_supports_rb(const struct drm_edid *drm_edid)
3144{
3145 if (drm_edid->edid->revision >= 4) {
3146 bool ret = false;
3147
3148 drm_for_each_detailed_block(drm_edid, is_rb, &ret);
3149 return ret;
3150 }
3151
3152 return drm_edid_is_digital(drm_edid);
3153}
3154
3155static void
3156find_gtf2(const struct detailed_timing *descriptor, void *data)
3157{
3158 const struct detailed_timing **res = data;
3159
3160 if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3161 return;
3162
3163 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3164
3165 if (descriptor->data.other_data.data.range.flags == DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG)
3166 *res = descriptor;
3167}
3168
3169/* Secondary GTF curve kicks in above some break frequency */
3170static int
3171drm_gtf2_hbreak(const struct drm_edid *drm_edid)
3172{
3173 const struct detailed_timing *descriptor = NULL;
3174
3175 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3176
3177 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.hfreq_start_khz) != 12);
3178
3179 return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.hfreq_start_khz * 2 : 0;
3180}
3181
3182static int
3183drm_gtf2_2c(const struct drm_edid *drm_edid)
3184{
3185 const struct detailed_timing *descriptor = NULL;
3186
3187 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3188
3189 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.c) != 13);
3190
3191 return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.c : 0;
3192}
3193
3194static int
3195drm_gtf2_m(const struct drm_edid *drm_edid)
3196{
3197 const struct detailed_timing *descriptor = NULL;
3198
3199 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3200
3201 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.m) != 14);
3202
3203 return descriptor ? le16_to_cpu(descriptor->data.other_data.data.range.formula.gtf2.m) : 0;
3204}
3205
3206static int
3207drm_gtf2_k(const struct drm_edid *drm_edid)
3208{
3209 const struct detailed_timing *descriptor = NULL;
3210
3211 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3212
3213 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.k) != 16);
3214
3215 return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.k : 0;
3216}
3217
3218static int
3219drm_gtf2_2j(const struct drm_edid *drm_edid)
3220{
3221 const struct detailed_timing *descriptor = NULL;
3222
3223 drm_for_each_detailed_block(drm_edid, find_gtf2, &descriptor);
3224
3225 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.formula.gtf2.j) != 17);
3226
3227 return descriptor ? descriptor->data.other_data.data.range.formula.gtf2.j : 0;
3228}
3229
3230static void
3231get_timing_level(const struct detailed_timing *descriptor, void *data)
3232{
3233 int *res = data;
3234
3235 if (!is_display_descriptor(descriptor, EDID_DETAIL_MONITOR_RANGE))
3236 return;
3237
3238 BUILD_BUG_ON(offsetof(typeof(*descriptor), data.other_data.data.range.flags) != 10);
3239
3240 switch (descriptor->data.other_data.data.range.flags) {
3241 case DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG:
3242 *res = LEVEL_GTF;
3243 break;
3244 case DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG:
3245 *res = LEVEL_GTF2;
3246 break;
3247 case DRM_EDID_CVT_SUPPORT_FLAG:
3248 *res = LEVEL_CVT;
3249 break;
3250 default:
3251 break;
3252 }
3253}
3254
3255/* Get standard timing level (CVT/GTF/DMT). */
3256static int standard_timing_level(const struct drm_edid *drm_edid)
3257{
3258 const struct edid *edid = drm_edid->edid;
3259
3260 if (edid->revision >= 4) {
3261 /*
3262 * If the range descriptor doesn't
3263 * indicate otherwise default to CVT
3264 */
3265 int ret = LEVEL_CVT;
3266
3267 drm_for_each_detailed_block(drm_edid, get_timing_level, &ret);
3268
3269 return ret;
3270 } else if (edid->revision >= 3 && drm_gtf2_hbreak(drm_edid)) {
3271 return LEVEL_GTF2;
3272 } else if (edid->revision >= 2) {
3273 return LEVEL_GTF;
3274 } else {
3275 return LEVEL_DMT;
3276 }
3277}
3278
3279/*
3280 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
3281 * monitors fill with ascii space (0x20) instead.
3282 */
3283static int
3284bad_std_timing(u8 a, u8 b)
3285{
3286 return (a == 0x00 && b == 0x00) ||
3287 (a == 0x01 && b == 0x01) ||
3288 (a == 0x20 && b == 0x20);
3289}
3290
3291static int drm_mode_hsync(const struct drm_display_mode *mode)
3292{
3293 if (mode->htotal <= 0)
3294 return 0;
3295
3296 return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
3297}
3298
3299static struct drm_display_mode *
3300drm_gtf2_mode(struct drm_device *dev,
3301 const struct drm_edid *drm_edid,
3302 int hsize, int vsize, int vrefresh_rate)
3303{
3304 struct drm_display_mode *mode;
3305
3306 /*
3307 * This is potentially wrong if there's ever a monitor with
3308 * more than one ranges section, each claiming a different
3309 * secondary GTF curve. Please don't do that.
3310 */
3311 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
3312 if (!mode)
3313 return NULL;
3314
3315 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(drm_edid)) {
3316 drm_mode_destroy(dev, mode);
3317 mode = drm_gtf_mode_complex(dev, hsize, vsize,
3318 vrefresh_rate, 0, 0,
3319 drm_gtf2_m(drm_edid),
3320 drm_gtf2_2c(drm_edid),
3321 drm_gtf2_k(drm_edid),
3322 drm_gtf2_2j(drm_edid));
3323 }
3324
3325 return mode;
3326}
3327
3328/*
3329 * Take the standard timing params (in this case width, aspect, and refresh)
3330 * and convert them into a real mode using CVT/GTF/DMT.
3331 */
3332static struct drm_display_mode *drm_mode_std(struct drm_connector *connector,
3333 const struct drm_edid *drm_edid,
3334 const struct std_timing *t)
3335{
3336 struct drm_device *dev = connector->dev;
3337 struct drm_display_mode *m, *mode = NULL;
3338 int hsize, vsize;
3339 int vrefresh_rate;
3340 unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
3341 >> EDID_TIMING_ASPECT_SHIFT;
3342 unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
3343 >> EDID_TIMING_VFREQ_SHIFT;
3344 int timing_level = standard_timing_level(drm_edid);
3345
3346 if (bad_std_timing(t->hsize, t->vfreq_aspect))
3347 return NULL;
3348
3349 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
3350 hsize = t->hsize * 8 + 248;
3351 /* vrefresh_rate = vfreq + 60 */
3352 vrefresh_rate = vfreq + 60;
3353 /* the vdisplay is calculated based on the aspect ratio */
3354 if (aspect_ratio == 0) {
3355 if (drm_edid->edid->revision < 3)
3356 vsize = hsize;
3357 else
3358 vsize = (hsize * 10) / 16;
3359 } else if (aspect_ratio == 1)
3360 vsize = (hsize * 3) / 4;
3361 else if (aspect_ratio == 2)
3362 vsize = (hsize * 4) / 5;
3363 else
3364 vsize = (hsize * 9) / 16;
3365
3366 /* HDTV hack, part 1 */
3367 if (vrefresh_rate == 60 &&
3368 ((hsize == 1360 && vsize == 765) ||
3369 (hsize == 1368 && vsize == 769))) {
3370 hsize = 1366;
3371 vsize = 768;
3372 }
3373
3374 /*
3375 * If this connector already has a mode for this size and refresh
3376 * rate (because it came from detailed or CVT info), use that
3377 * instead. This way we don't have to guess at interlace or
3378 * reduced blanking.
3379 */
3380 list_for_each_entry(m, &connector->probed_modes, head)
3381 if (m->hdisplay == hsize && m->vdisplay == vsize &&
3382 drm_mode_vrefresh(m) == vrefresh_rate)
3383 return NULL;
3384
3385 /* HDTV hack, part 2 */
3386 if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
3387 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
3388 false);
3389 if (!mode)
3390 return NULL;
3391 mode->hdisplay = 1366;
3392 mode->hsync_start = mode->hsync_start - 1;
3393 mode->hsync_end = mode->hsync_end - 1;
3394 return mode;
3395 }
3396
3397 /* check whether it can be found in default mode table */
3398 if (drm_monitor_supports_rb(drm_edid)) {
3399 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
3400 true);
3401 if (mode)
3402 return mode;
3403 }
3404 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
3405 if (mode)
3406 return mode;
3407
3408 /* okay, generate it */
3409 switch (timing_level) {
3410 case LEVEL_DMT:
3411 break;
3412 case LEVEL_GTF:
3413 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
3414 break;
3415 case LEVEL_GTF2:
3416 mode = drm_gtf2_mode(dev, drm_edid, hsize, vsize, vrefresh_rate);
3417 break;
3418 case LEVEL_CVT:
3419 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
3420 false);
3421 break;
3422 }
3423 return mode;
3424}
3425
3426/*
3427 * EDID is delightfully ambiguous about how interlaced modes are to be
3428 * encoded. Our internal representation is of frame height, but some
3429 * HDTV detailed timings are encoded as field height.
3430 *
3431 * The format list here is from CEA, in frame size. Technically we
3432 * should be checking refresh rate too. Whatever.
3433 */
3434static void
3435drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
3436 const struct detailed_pixel_timing *pt)
3437{
3438 int i;
3439 static const struct {
3440 int w, h;
3441 } cea_interlaced[] = {
3442 { 1920, 1080 },
3443 { 720, 480 },
3444 { 1440, 480 },
3445 { 2880, 480 },
3446 { 720, 576 },
3447 { 1440, 576 },
3448 { 2880, 576 },
3449 };
3450
3451 if (!(pt->misc & DRM_EDID_PT_INTERLACED))
3452 return;
3453
3454 for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
3455 if ((mode->hdisplay == cea_interlaced[i].w) &&
3456 (mode->vdisplay == cea_interlaced[i].h / 2)) {
3457 mode->vdisplay *= 2;
3458 mode->vsync_start *= 2;
3459 mode->vsync_end *= 2;
3460 mode->vtotal *= 2;
3461 mode->vtotal |= 1;
3462 }
3463 }
3464
3465 mode->flags |= DRM_MODE_FLAG_INTERLACE;
3466}
3467
3468/*
3469 * Create a new mode from an EDID detailed timing section. An EDID detailed
3470 * timing block contains enough info for us to create and return a new struct
3471 * drm_display_mode.
3472 */
3473static struct drm_display_mode *drm_mode_detailed(struct drm_connector *connector,
3474 const struct drm_edid *drm_edid,
3475 const struct detailed_timing *timing)
3476{
3477 const struct drm_display_info *info = &connector->display_info;
3478 struct drm_device *dev = connector->dev;
3479 struct drm_display_mode *mode;
3480 const struct detailed_pixel_timing *pt = &timing->data.pixel_data;
3481 unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
3482 unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
3483 unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
3484 unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
3485 unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
3486 unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
3487 unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
3488 unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
3489
3490 /* ignore tiny modes */
3491 if (hactive < 64 || vactive < 64)
3492 return NULL;
3493
3494 if (pt->misc & DRM_EDID_PT_STEREO) {
3495 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Stereo mode not supported\n",
3496 connector->base.id, connector->name);
3497 return NULL;
3498 }
3499 if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
3500 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Composite sync not supported\n",
3501 connector->base.id, connector->name);
3502 }
3503
3504 /* it is incorrect if hsync/vsync width is zero */
3505 if (!hsync_pulse_width || !vsync_pulse_width) {
3506 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Incorrect Detailed timing. Wrong Hsync/Vsync pulse width\n",
3507 connector->base.id, connector->name);
3508 return NULL;
3509 }
3510
3511 if (info->quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
3512 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
3513 if (!mode)
3514 return NULL;
3515
3516 goto set_size;
3517 }
3518
3519 mode = drm_mode_create(dev);
3520 if (!mode)
3521 return NULL;
3522
3523 if (info->quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
3524 mode->clock = 1088 * 10;
3525 else
3526 mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
3527
3528 mode->hdisplay = hactive;
3529 mode->hsync_start = mode->hdisplay + hsync_offset;
3530 mode->hsync_end = mode->hsync_start + hsync_pulse_width;
3531 mode->htotal = mode->hdisplay + hblank;
3532
3533 mode->vdisplay = vactive;
3534 mode->vsync_start = mode->vdisplay + vsync_offset;
3535 mode->vsync_end = mode->vsync_start + vsync_pulse_width;
3536 mode->vtotal = mode->vdisplay + vblank;
3537
3538 /* Some EDIDs have bogus h/vsync_end values */
3539 if (mode->hsync_end > mode->htotal) {
3540 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] reducing hsync_end %d->%d\n",
3541 connector->base.id, connector->name,
3542 mode->hsync_end, mode->htotal);
3543 mode->hsync_end = mode->htotal;
3544 }
3545 if (mode->vsync_end > mode->vtotal) {
3546 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] reducing vsync_end %d->%d\n",
3547 connector->base.id, connector->name,
3548 mode->vsync_end, mode->vtotal);
3549 mode->vsync_end = mode->vtotal;
3550 }
3551
3552 drm_mode_do_interlace_quirk(mode, pt);
3553
3554 if (info->quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
3555 mode->flags |= DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC;
3556 } else {
3557 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
3558 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
3559 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
3560 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
3561 }
3562
3563set_size:
3564 mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
3565 mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
3566
3567 if (info->quirks & EDID_QUIRK_DETAILED_IN_CM) {
3568 mode->width_mm *= 10;
3569 mode->height_mm *= 10;
3570 }
3571
3572 if (info->quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
3573 mode->width_mm = drm_edid->edid->width_cm * 10;
3574 mode->height_mm = drm_edid->edid->height_cm * 10;
3575 }
3576
3577 mode->type = DRM_MODE_TYPE_DRIVER;
3578 drm_mode_set_name(mode);
3579
3580 return mode;
3581}
3582
3583static bool
3584mode_in_hsync_range(const struct drm_display_mode *mode,
3585 const struct edid *edid, const u8 *t)
3586{
3587 int hsync, hmin, hmax;
3588
3589 hmin = t[7];
3590 if (edid->revision >= 4)
3591 hmin += ((t[4] & 0x04) ? 255 : 0);
3592 hmax = t[8];
3593 if (edid->revision >= 4)
3594 hmax += ((t[4] & 0x08) ? 255 : 0);
3595 hsync = drm_mode_hsync(mode);
3596
3597 return (hsync <= hmax && hsync >= hmin);
3598}
3599
3600static bool
3601mode_in_vsync_range(const struct drm_display_mode *mode,
3602 const struct edid *edid, const u8 *t)
3603{
3604 int vsync, vmin, vmax;
3605
3606 vmin = t[5];
3607 if (edid->revision >= 4)
3608 vmin += ((t[4] & 0x01) ? 255 : 0);
3609 vmax = t[6];
3610 if (edid->revision >= 4)
3611 vmax += ((t[4] & 0x02) ? 255 : 0);
3612 vsync = drm_mode_vrefresh(mode);
3613
3614 return (vsync <= vmax && vsync >= vmin);
3615}
3616
3617static u32
3618range_pixel_clock(const struct edid *edid, const u8 *t)
3619{
3620 /* unspecified */
3621 if (t[9] == 0 || t[9] == 255)
3622 return 0;
3623
3624 /* 1.4 with CVT support gives us real precision, yay */
3625 if (edid->revision >= 4 && t[10] == DRM_EDID_CVT_SUPPORT_FLAG)
3626 return (t[9] * 10000) - ((t[12] >> 2) * 250);
3627
3628 /* 1.3 is pathetic, so fuzz up a bit */
3629 return t[9] * 10000 + 5001;
3630}
3631
3632static bool mode_in_range(const struct drm_display_mode *mode,
3633 const struct drm_edid *drm_edid,
3634 const struct detailed_timing *timing)
3635{
3636 const struct edid *edid = drm_edid->edid;
3637 u32 max_clock;
3638 const u8 *t = (const u8 *)timing;
3639
3640 if (!mode_in_hsync_range(mode, edid, t))
3641 return false;
3642
3643 if (!mode_in_vsync_range(mode, edid, t))
3644 return false;
3645
3646 max_clock = range_pixel_clock(edid, t);
3647 if (max_clock)
3648 if (mode->clock > max_clock)
3649 return false;
3650
3651 /* 1.4 max horizontal check */
3652 if (edid->revision >= 4 && t[10] == DRM_EDID_CVT_SUPPORT_FLAG)
3653 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
3654 return false;
3655
3656 if (mode_is_rb(mode) && !drm_monitor_supports_rb(drm_edid))
3657 return false;
3658
3659 return true;
3660}
3661
3662static bool valid_inferred_mode(const struct drm_connector *connector,
3663 const struct drm_display_mode *mode)
3664{
3665 const struct drm_display_mode *m;
3666 bool ok = false;
3667
3668 list_for_each_entry(m, &connector->probed_modes, head) {
3669 if (mode->hdisplay == m->hdisplay &&
3670 mode->vdisplay == m->vdisplay &&
3671 drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
3672 return false; /* duplicated */
3673 if (mode->hdisplay <= m->hdisplay &&
3674 mode->vdisplay <= m->vdisplay)
3675 ok = true;
3676 }
3677 return ok;
3678}
3679
3680static int drm_dmt_modes_for_range(struct drm_connector *connector,
3681 const struct drm_edid *drm_edid,
3682 const struct detailed_timing *timing)
3683{
3684 int i, modes = 0;
3685 struct drm_display_mode *newmode;
3686 struct drm_device *dev = connector->dev;
3687
3688 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
3689 if (mode_in_range(drm_dmt_modes + i, drm_edid, timing) &&
3690 valid_inferred_mode(connector, drm_dmt_modes + i)) {
3691 newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
3692 if (newmode) {
3693 drm_mode_probed_add(connector, newmode);
3694 modes++;
3695 }
3696 }
3697 }
3698
3699 return modes;
3700}
3701
3702/* fix up 1366x768 mode from 1368x768;
3703 * GFT/CVT can't express 1366 width which isn't dividable by 8
3704 */
3705void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
3706{
3707 if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
3708 mode->hdisplay = 1366;
3709 mode->hsync_start--;
3710 mode->hsync_end--;
3711 drm_mode_set_name(mode);
3712 }
3713}
3714
3715static int drm_gtf_modes_for_range(struct drm_connector *connector,
3716 const struct drm_edid *drm_edid,
3717 const struct detailed_timing *timing)
3718{
3719 int i, modes = 0;
3720 struct drm_display_mode *newmode;
3721 struct drm_device *dev = connector->dev;
3722
3723 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3724 const struct minimode *m = &extra_modes[i];
3725
3726 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
3727 if (!newmode)
3728 return modes;
3729
3730 drm_mode_fixup_1366x768(newmode);
3731 if (!mode_in_range(newmode, drm_edid, timing) ||
3732 !valid_inferred_mode(connector, newmode)) {
3733 drm_mode_destroy(dev, newmode);
3734 continue;
3735 }
3736
3737 drm_mode_probed_add(connector, newmode);
3738 modes++;
3739 }
3740
3741 return modes;
3742}
3743
3744static int drm_gtf2_modes_for_range(struct drm_connector *connector,
3745 const struct drm_edid *drm_edid,
3746 const struct detailed_timing *timing)
3747{
3748 int i, modes = 0;
3749 struct drm_display_mode *newmode;
3750 struct drm_device *dev = connector->dev;
3751
3752 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3753 const struct minimode *m = &extra_modes[i];
3754
3755 newmode = drm_gtf2_mode(dev, drm_edid, m->w, m->h, m->r);
3756 if (!newmode)
3757 return modes;
3758
3759 drm_mode_fixup_1366x768(newmode);
3760 if (!mode_in_range(newmode, drm_edid, timing) ||
3761 !valid_inferred_mode(connector, newmode)) {
3762 drm_mode_destroy(dev, newmode);
3763 continue;
3764 }
3765
3766 drm_mode_probed_add(connector, newmode);
3767 modes++;
3768 }
3769
3770 return modes;
3771}
3772
3773static int drm_cvt_modes_for_range(struct drm_connector *connector,
3774 const struct drm_edid *drm_edid,
3775 const struct detailed_timing *timing)
3776{
3777 int i, modes = 0;
3778 struct drm_display_mode *newmode;
3779 struct drm_device *dev = connector->dev;
3780 bool rb = drm_monitor_supports_rb(drm_edid);
3781
3782 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
3783 const struct minimode *m = &extra_modes[i];
3784
3785 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
3786 if (!newmode)
3787 return modes;
3788
3789 drm_mode_fixup_1366x768(newmode);
3790 if (!mode_in_range(newmode, drm_edid, timing) ||
3791 !valid_inferred_mode(connector, newmode)) {
3792 drm_mode_destroy(dev, newmode);
3793 continue;
3794 }
3795
3796 drm_mode_probed_add(connector, newmode);
3797 modes++;
3798 }
3799
3800 return modes;
3801}
3802
3803static void
3804do_inferred_modes(const struct detailed_timing *timing, void *c)
3805{
3806 struct detailed_mode_closure *closure = c;
3807 const struct detailed_non_pixel *data = &timing->data.other_data;
3808 const struct detailed_data_monitor_range *range = &data->data.range;
3809
3810 if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_RANGE))
3811 return;
3812
3813 closure->modes += drm_dmt_modes_for_range(closure->connector,
3814 closure->drm_edid,
3815 timing);
3816
3817 if (closure->drm_edid->edid->revision < 2)
3818 return; /* GTF not defined yet */
3819
3820 switch (range->flags) {
3821 case DRM_EDID_SECONDARY_GTF_SUPPORT_FLAG:
3822 closure->modes += drm_gtf2_modes_for_range(closure->connector,
3823 closure->drm_edid,
3824 timing);
3825 break;
3826 case DRM_EDID_DEFAULT_GTF_SUPPORT_FLAG:
3827 closure->modes += drm_gtf_modes_for_range(closure->connector,
3828 closure->drm_edid,
3829 timing);
3830 break;
3831 case DRM_EDID_CVT_SUPPORT_FLAG:
3832 if (closure->drm_edid->edid->revision < 4)
3833 break;
3834
3835 closure->modes += drm_cvt_modes_for_range(closure->connector,
3836 closure->drm_edid,
3837 timing);
3838 break;
3839 case DRM_EDID_RANGE_LIMITS_ONLY_FLAG:
3840 default:
3841 break;
3842 }
3843}
3844
3845static int add_inferred_modes(struct drm_connector *connector,
3846 const struct drm_edid *drm_edid)
3847{
3848 struct detailed_mode_closure closure = {
3849 .connector = connector,
3850 .drm_edid = drm_edid,
3851 };
3852
3853 if (drm_edid->edid->revision >= 1)
3854 drm_for_each_detailed_block(drm_edid, do_inferred_modes, &closure);
3855
3856 return closure.modes;
3857}
3858
3859static int
3860drm_est3_modes(struct drm_connector *connector, const struct detailed_timing *timing)
3861{
3862 int i, j, m, modes = 0;
3863 struct drm_display_mode *mode;
3864 const u8 *est = ((const u8 *)timing) + 6;
3865
3866 for (i = 0; i < 6; i++) {
3867 for (j = 7; j >= 0; j--) {
3868 m = (i * 8) + (7 - j);
3869 if (m >= ARRAY_SIZE(est3_modes))
3870 break;
3871 if (est[i] & (1 << j)) {
3872 mode = drm_mode_find_dmt(connector->dev,
3873 est3_modes[m].w,
3874 est3_modes[m].h,
3875 est3_modes[m].r,
3876 est3_modes[m].rb);
3877 if (mode) {
3878 drm_mode_probed_add(connector, mode);
3879 modes++;
3880 }
3881 }
3882 }
3883 }
3884
3885 return modes;
3886}
3887
3888static void
3889do_established_modes(const struct detailed_timing *timing, void *c)
3890{
3891 struct detailed_mode_closure *closure = c;
3892
3893 if (!is_display_descriptor(timing, EDID_DETAIL_EST_TIMINGS))
3894 return;
3895
3896 closure->modes += drm_est3_modes(closure->connector, timing);
3897}
3898
3899/*
3900 * Get established modes from EDID and add them. Each EDID block contains a
3901 * bitmap of the supported "established modes" list (defined above). Tease them
3902 * out and add them to the global modes list.
3903 */
3904static int add_established_modes(struct drm_connector *connector,
3905 const struct drm_edid *drm_edid)
3906{
3907 struct drm_device *dev = connector->dev;
3908 const struct edid *edid = drm_edid->edid;
3909 unsigned long est_bits = edid->established_timings.t1 |
3910 (edid->established_timings.t2 << 8) |
3911 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
3912 int i, modes = 0;
3913 struct detailed_mode_closure closure = {
3914 .connector = connector,
3915 .drm_edid = drm_edid,
3916 };
3917
3918 for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3919 if (est_bits & (1<<i)) {
3920 struct drm_display_mode *newmode;
3921
3922 newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3923 if (newmode) {
3924 drm_mode_probed_add(connector, newmode);
3925 modes++;
3926 }
3927 }
3928 }
3929
3930 if (edid->revision >= 1)
3931 drm_for_each_detailed_block(drm_edid, do_established_modes,
3932 &closure);
3933
3934 return modes + closure.modes;
3935}
3936
3937static void
3938do_standard_modes(const struct detailed_timing *timing, void *c)
3939{
3940 struct detailed_mode_closure *closure = c;
3941 const struct detailed_non_pixel *data = &timing->data.other_data;
3942 struct drm_connector *connector = closure->connector;
3943 int i;
3944
3945 if (!is_display_descriptor(timing, EDID_DETAIL_STD_MODES))
3946 return;
3947
3948 for (i = 0; i < 6; i++) {
3949 const struct std_timing *std = &data->data.timings[i];
3950 struct drm_display_mode *newmode;
3951
3952 newmode = drm_mode_std(connector, closure->drm_edid, std);
3953 if (newmode) {
3954 drm_mode_probed_add(connector, newmode);
3955 closure->modes++;
3956 }
3957 }
3958}
3959
3960/*
3961 * Get standard modes from EDID and add them. Standard modes can be calculated
3962 * using the appropriate standard (DMT, GTF, or CVT). Grab them from EDID and
3963 * add them to the list.
3964 */
3965static int add_standard_modes(struct drm_connector *connector,
3966 const struct drm_edid *drm_edid)
3967{
3968 int i, modes = 0;
3969 struct detailed_mode_closure closure = {
3970 .connector = connector,
3971 .drm_edid = drm_edid,
3972 };
3973
3974 for (i = 0; i < EDID_STD_TIMINGS; i++) {
3975 struct drm_display_mode *newmode;
3976
3977 newmode = drm_mode_std(connector, drm_edid,
3978 &drm_edid->edid->standard_timings[i]);
3979 if (newmode) {
3980 drm_mode_probed_add(connector, newmode);
3981 modes++;
3982 }
3983 }
3984
3985 if (drm_edid->edid->revision >= 1)
3986 drm_for_each_detailed_block(drm_edid, do_standard_modes,
3987 &closure);
3988
3989 /* XXX should also look for standard codes in VTB blocks */
3990
3991 return modes + closure.modes;
3992}
3993
3994static int drm_cvt_modes(struct drm_connector *connector,
3995 const struct detailed_timing *timing)
3996{
3997 int i, j, modes = 0;
3998 struct drm_display_mode *newmode;
3999 struct drm_device *dev = connector->dev;
4000 const struct cvt_timing *cvt;
4001 static const int rates[] = { 60, 85, 75, 60, 50 };
4002 const u8 empty[3] = { 0, 0, 0 };
4003
4004 for (i = 0; i < 4; i++) {
4005 int width, height;
4006
4007 cvt = &(timing->data.other_data.data.cvt[i]);
4008
4009 if (!memcmp(cvt->code, empty, 3))
4010 continue;
4011
4012 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
4013 switch (cvt->code[1] & 0x0c) {
4014 /* default - because compiler doesn't see that we've enumerated all cases */
4015 default:
4016 case 0x00:
4017 width = height * 4 / 3;
4018 break;
4019 case 0x04:
4020 width = height * 16 / 9;
4021 break;
4022 case 0x08:
4023 width = height * 16 / 10;
4024 break;
4025 case 0x0c:
4026 width = height * 15 / 9;
4027 break;
4028 }
4029
4030 for (j = 1; j < 5; j++) {
4031 if (cvt->code[2] & (1 << j)) {
4032 newmode = drm_cvt_mode(dev, width, height,
4033 rates[j], j == 0,
4034 false, false);
4035 if (newmode) {
4036 drm_mode_probed_add(connector, newmode);
4037 modes++;
4038 }
4039 }
4040 }
4041 }
4042
4043 return modes;
4044}
4045
4046static void
4047do_cvt_mode(const struct detailed_timing *timing, void *c)
4048{
4049 struct detailed_mode_closure *closure = c;
4050
4051 if (!is_display_descriptor(timing, EDID_DETAIL_CVT_3BYTE))
4052 return;
4053
4054 closure->modes += drm_cvt_modes(closure->connector, timing);
4055}
4056
4057static int
4058add_cvt_modes(struct drm_connector *connector, const struct drm_edid *drm_edid)
4059{
4060 struct detailed_mode_closure closure = {
4061 .connector = connector,
4062 .drm_edid = drm_edid,
4063 };
4064
4065 if (drm_edid->edid->revision >= 3)
4066 drm_for_each_detailed_block(drm_edid, do_cvt_mode, &closure);
4067
4068 /* XXX should also look for CVT codes in VTB blocks */
4069
4070 return closure.modes;
4071}
4072
4073static void fixup_detailed_cea_mode_clock(struct drm_connector *connector,
4074 struct drm_display_mode *mode);
4075
4076static void
4077do_detailed_mode(const struct detailed_timing *timing, void *c)
4078{
4079 struct detailed_mode_closure *closure = c;
4080 struct drm_display_mode *newmode;
4081
4082 if (!is_detailed_timing_descriptor(timing))
4083 return;
4084
4085 newmode = drm_mode_detailed(closure->connector,
4086 closure->drm_edid, timing);
4087 if (!newmode)
4088 return;
4089
4090 if (closure->preferred)
4091 newmode->type |= DRM_MODE_TYPE_PREFERRED;
4092
4093 /*
4094 * Detailed modes are limited to 10kHz pixel clock resolution,
4095 * so fix up anything that looks like CEA/HDMI mode, but the clock
4096 * is just slightly off.
4097 */
4098 fixup_detailed_cea_mode_clock(closure->connector, newmode);
4099
4100 drm_mode_probed_add(closure->connector, newmode);
4101 closure->modes++;
4102 closure->preferred = false;
4103}
4104
4105/*
4106 * add_detailed_modes - Add modes from detailed timings
4107 * @connector: attached connector
4108 * @drm_edid: EDID block to scan
4109 */
4110static int add_detailed_modes(struct drm_connector *connector,
4111 const struct drm_edid *drm_edid)
4112{
4113 struct detailed_mode_closure closure = {
4114 .connector = connector,
4115 .drm_edid = drm_edid,
4116 };
4117
4118 if (drm_edid->edid->revision >= 4)
4119 closure.preferred = true; /* first detailed timing is always preferred */
4120 else
4121 closure.preferred =
4122 drm_edid->edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING;
4123
4124 drm_for_each_detailed_block(drm_edid, do_detailed_mode, &closure);
4125
4126 return closure.modes;
4127}
4128
4129/* CTA-861-H Table 60 - CTA Tag Codes */
4130#define CTA_DB_AUDIO 1
4131#define CTA_DB_VIDEO 2
4132#define CTA_DB_VENDOR 3
4133#define CTA_DB_SPEAKER 4
4134#define CTA_DB_EXTENDED_TAG 7
4135
4136/* CTA-861-H Table 62 - CTA Extended Tag Codes */
4137#define CTA_EXT_DB_VIDEO_CAP 0
4138#define CTA_EXT_DB_VENDOR 1
4139#define CTA_EXT_DB_HDR_STATIC_METADATA 6
4140#define CTA_EXT_DB_420_VIDEO_DATA 14
4141#define CTA_EXT_DB_420_VIDEO_CAP_MAP 15
4142#define CTA_EXT_DB_HF_EEODB 0x78
4143#define CTA_EXT_DB_HF_SCDB 0x79
4144
4145#define EDID_BASIC_AUDIO (1 << 6)
4146#define EDID_CEA_YCRCB444 (1 << 5)
4147#define EDID_CEA_YCRCB422 (1 << 4)
4148#define EDID_CEA_VCDB_QS (1 << 6)
4149
4150/*
4151 * Search EDID for CEA extension block.
4152 *
4153 * FIXME: Prefer not returning pointers to raw EDID data.
4154 */
4155const u8 *drm_edid_find_extension(const struct drm_edid *drm_edid,
4156 int ext_id, int *ext_index)
4157{
4158 const u8 *edid_ext = NULL;
4159 int i;
4160
4161 /* No EDID or EDID extensions */
4162 if (!drm_edid || !drm_edid_extension_block_count(drm_edid))
4163 return NULL;
4164
4165 /* Find CEA extension */
4166 for (i = *ext_index; i < drm_edid_extension_block_count(drm_edid); i++) {
4167 edid_ext = drm_edid_extension_block_data(drm_edid, i);
4168 if (edid_block_tag(edid_ext) == ext_id)
4169 break;
4170 }
4171
4172 if (i >= drm_edid_extension_block_count(drm_edid))
4173 return NULL;
4174
4175 *ext_index = i + 1;
4176
4177 return edid_ext;
4178}
4179
4180/* Return true if the EDID has a CTA extension or a DisplayID CTA data block */
4181static bool drm_edid_has_cta_extension(const struct drm_edid *drm_edid)
4182{
4183 const struct displayid_block *block;
4184 struct displayid_iter iter;
4185 struct drm_edid_iter edid_iter;
4186 const u8 *ext;
4187 bool found = false;
4188
4189 /* Look for a top level CEA extension block */
4190 drm_edid_iter_begin(drm_edid, &edid_iter);
4191 drm_edid_iter_for_each(ext, &edid_iter) {
4192 if (ext[0] == CEA_EXT) {
4193 found = true;
4194 break;
4195 }
4196 }
4197 drm_edid_iter_end(&edid_iter);
4198
4199 if (found)
4200 return true;
4201
4202 /* CEA blocks can also be found embedded in a DisplayID block */
4203 displayid_iter_edid_begin(drm_edid, &iter);
4204 displayid_iter_for_each(block, &iter) {
4205 if (block->tag == DATA_BLOCK_CTA) {
4206 found = true;
4207 break;
4208 }
4209 }
4210 displayid_iter_end(&iter);
4211
4212 return found;
4213}
4214
4215static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
4216{
4217 BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
4218 BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
4219
4220 if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
4221 return &edid_cea_modes_1[vic - 1];
4222 if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
4223 return &edid_cea_modes_193[vic - 193];
4224 return NULL;
4225}
4226
4227static u8 cea_num_vics(void)
4228{
4229 return 193 + ARRAY_SIZE(edid_cea_modes_193);
4230}
4231
4232static u8 cea_next_vic(u8 vic)
4233{
4234 if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
4235 vic = 193;
4236 return vic;
4237}
4238
4239/*
4240 * Calculate the alternate clock for the CEA mode
4241 * (60Hz vs. 59.94Hz etc.)
4242 */
4243static unsigned int
4244cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
4245{
4246 unsigned int clock = cea_mode->clock;
4247
4248 if (drm_mode_vrefresh(cea_mode) % 6 != 0)
4249 return clock;
4250
4251 /*
4252 * edid_cea_modes contains the 59.94Hz
4253 * variant for 240 and 480 line modes,
4254 * and the 60Hz variant otherwise.
4255 */
4256 if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
4257 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
4258 else
4259 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
4260
4261 return clock;
4262}
4263
4264static bool
4265cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
4266{
4267 /*
4268 * For certain VICs the spec allows the vertical
4269 * front porch to vary by one or two lines.
4270 *
4271 * cea_modes[] stores the variant with the shortest
4272 * vertical front porch. We can adjust the mode to
4273 * get the other variants by simply increasing the
4274 * vertical front porch length.
4275 */
4276 BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
4277 cea_mode_for_vic(9)->vtotal != 262 ||
4278 cea_mode_for_vic(12)->vtotal != 262 ||
4279 cea_mode_for_vic(13)->vtotal != 262 ||
4280 cea_mode_for_vic(23)->vtotal != 312 ||
4281 cea_mode_for_vic(24)->vtotal != 312 ||
4282 cea_mode_for_vic(27)->vtotal != 312 ||
4283 cea_mode_for_vic(28)->vtotal != 312);
4284
4285 if (((vic == 8 || vic == 9 ||
4286 vic == 12 || vic == 13) && mode->vtotal < 263) ||
4287 ((vic == 23 || vic == 24 ||
4288 vic == 27 || vic == 28) && mode->vtotal < 314)) {
4289 mode->vsync_start++;
4290 mode->vsync_end++;
4291 mode->vtotal++;
4292
4293 return true;
4294 }
4295
4296 return false;
4297}
4298
4299static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
4300 unsigned int clock_tolerance)
4301{
4302 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4303 u8 vic;
4304
4305 if (!to_match->clock)
4306 return 0;
4307
4308 if (to_match->picture_aspect_ratio)
4309 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4310
4311 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
4312 struct drm_display_mode cea_mode;
4313 unsigned int clock1, clock2;
4314
4315 drm_mode_init(&cea_mode, cea_mode_for_vic(vic));
4316
4317 /* Check both 60Hz and 59.94Hz */
4318 clock1 = cea_mode.clock;
4319 clock2 = cea_mode_alternate_clock(&cea_mode);
4320
4321 if (abs(to_match->clock - clock1) > clock_tolerance &&
4322 abs(to_match->clock - clock2) > clock_tolerance)
4323 continue;
4324
4325 do {
4326 if (drm_mode_match(to_match, &cea_mode, match_flags))
4327 return vic;
4328 } while (cea_mode_alternate_timings(vic, &cea_mode));
4329 }
4330
4331 return 0;
4332}
4333
4334/**
4335 * drm_match_cea_mode - look for a CEA mode matching given mode
4336 * @to_match: display mode
4337 *
4338 * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
4339 * mode.
4340 */
4341u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
4342{
4343 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4344 u8 vic;
4345
4346 if (!to_match->clock)
4347 return 0;
4348
4349 if (to_match->picture_aspect_ratio)
4350 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4351
4352 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
4353 struct drm_display_mode cea_mode;
4354 unsigned int clock1, clock2;
4355
4356 drm_mode_init(&cea_mode, cea_mode_for_vic(vic));
4357
4358 /* Check both 60Hz and 59.94Hz */
4359 clock1 = cea_mode.clock;
4360 clock2 = cea_mode_alternate_clock(&cea_mode);
4361
4362 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
4363 KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
4364 continue;
4365
4366 do {
4367 if (drm_mode_match(to_match, &cea_mode, match_flags))
4368 return vic;
4369 } while (cea_mode_alternate_timings(vic, &cea_mode));
4370 }
4371
4372 return 0;
4373}
4374EXPORT_SYMBOL(drm_match_cea_mode);
4375
4376static bool drm_valid_cea_vic(u8 vic)
4377{
4378 return cea_mode_for_vic(vic) != NULL;
4379}
4380
4381static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
4382{
4383 const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
4384
4385 if (mode)
4386 return mode->picture_aspect_ratio;
4387
4388 return HDMI_PICTURE_ASPECT_NONE;
4389}
4390
4391static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
4392{
4393 return edid_4k_modes[video_code].picture_aspect_ratio;
4394}
4395
4396/*
4397 * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
4398 * specific block).
4399 */
4400static unsigned int
4401hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
4402{
4403 return cea_mode_alternate_clock(hdmi_mode);
4404}
4405
4406static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
4407 unsigned int clock_tolerance)
4408{
4409 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4410 u8 vic;
4411
4412 if (!to_match->clock)
4413 return 0;
4414
4415 if (to_match->picture_aspect_ratio)
4416 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4417
4418 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
4419 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
4420 unsigned int clock1, clock2;
4421
4422 /* Make sure to also match alternate clocks */
4423 clock1 = hdmi_mode->clock;
4424 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
4425
4426 if (abs(to_match->clock - clock1) > clock_tolerance &&
4427 abs(to_match->clock - clock2) > clock_tolerance)
4428 continue;
4429
4430 if (drm_mode_match(to_match, hdmi_mode, match_flags))
4431 return vic;
4432 }
4433
4434 return 0;
4435}
4436
4437/*
4438 * drm_match_hdmi_mode - look for a HDMI mode matching given mode
4439 * @to_match: display mode
4440 *
4441 * An HDMI mode is one defined in the HDMI vendor specific block.
4442 *
4443 * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
4444 */
4445static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
4446{
4447 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
4448 u8 vic;
4449
4450 if (!to_match->clock)
4451 return 0;
4452
4453 if (to_match->picture_aspect_ratio)
4454 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
4455
4456 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
4457 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
4458 unsigned int clock1, clock2;
4459
4460 /* Make sure to also match alternate clocks */
4461 clock1 = hdmi_mode->clock;
4462 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
4463
4464 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
4465 KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
4466 drm_mode_match(to_match, hdmi_mode, match_flags))
4467 return vic;
4468 }
4469 return 0;
4470}
4471
4472static bool drm_valid_hdmi_vic(u8 vic)
4473{
4474 return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
4475}
4476
4477static int add_alternate_cea_modes(struct drm_connector *connector,
4478 const struct drm_edid *drm_edid)
4479{
4480 struct drm_device *dev = connector->dev;
4481 struct drm_display_mode *mode, *tmp;
4482 LIST_HEAD(list);
4483 int modes = 0;
4484
4485 /* Don't add CTA modes if the CTA extension block is missing */
4486 if (!drm_edid_has_cta_extension(drm_edid))
4487 return 0;
4488
4489 /*
4490 * Go through all probed modes and create a new mode
4491 * with the alternate clock for certain CEA modes.
4492 */
4493 list_for_each_entry(mode, &connector->probed_modes, head) {
4494 const struct drm_display_mode *cea_mode = NULL;
4495 struct drm_display_mode *newmode;
4496 u8 vic = drm_match_cea_mode(mode);
4497 unsigned int clock1, clock2;
4498
4499 if (drm_valid_cea_vic(vic)) {
4500 cea_mode = cea_mode_for_vic(vic);
4501 clock2 = cea_mode_alternate_clock(cea_mode);
4502 } else {
4503 vic = drm_match_hdmi_mode(mode);
4504 if (drm_valid_hdmi_vic(vic)) {
4505 cea_mode = &edid_4k_modes[vic];
4506 clock2 = hdmi_mode_alternate_clock(cea_mode);
4507 }
4508 }
4509
4510 if (!cea_mode)
4511 continue;
4512
4513 clock1 = cea_mode->clock;
4514
4515 if (clock1 == clock2)
4516 continue;
4517
4518 if (mode->clock != clock1 && mode->clock != clock2)
4519 continue;
4520
4521 newmode = drm_mode_duplicate(dev, cea_mode);
4522 if (!newmode)
4523 continue;
4524
4525 /* Carry over the stereo flags */
4526 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
4527
4528 /*
4529 * The current mode could be either variant. Make
4530 * sure to pick the "other" clock for the new mode.
4531 */
4532 if (mode->clock != clock1)
4533 newmode->clock = clock1;
4534 else
4535 newmode->clock = clock2;
4536
4537 list_add_tail(&newmode->head, &list);
4538 }
4539
4540 list_for_each_entry_safe(mode, tmp, &list, head) {
4541 list_del(&mode->head);
4542 drm_mode_probed_add(connector, mode);
4543 modes++;
4544 }
4545
4546 return modes;
4547}
4548
4549static u8 svd_to_vic(u8 svd)
4550{
4551 /* 0-6 bit vic, 7th bit native mode indicator */
4552 if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192))
4553 return svd & 127;
4554
4555 return svd;
4556}
4557
4558/*
4559 * Return a display mode for the 0-based vic_index'th VIC across all CTA VDBs in
4560 * the EDID, or NULL on errors.
4561 */
4562static struct drm_display_mode *
4563drm_display_mode_from_vic_index(struct drm_connector *connector, int vic_index)
4564{
4565 const struct drm_display_info *info = &connector->display_info;
4566 struct drm_device *dev = connector->dev;
4567
4568 if (!info->vics || vic_index >= info->vics_len || !info->vics[vic_index])
4569 return NULL;
4570
4571 return drm_display_mode_from_cea_vic(dev, info->vics[vic_index]);
4572}
4573
4574/*
4575 * do_y420vdb_modes - Parse YCBCR 420 only modes
4576 * @connector: connector corresponding to the HDMI sink
4577 * @svds: start of the data block of CEA YCBCR 420 VDB
4578 * @len: length of the CEA YCBCR 420 VDB
4579 *
4580 * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
4581 * which contains modes which can be supported in YCBCR 420
4582 * output format only.
4583 */
4584static int do_y420vdb_modes(struct drm_connector *connector,
4585 const u8 *svds, u8 svds_len)
4586{
4587 struct drm_device *dev = connector->dev;
4588 int modes = 0, i;
4589
4590 for (i = 0; i < svds_len; i++) {
4591 u8 vic = svd_to_vic(svds[i]);
4592 struct drm_display_mode *newmode;
4593
4594 if (!drm_valid_cea_vic(vic))
4595 continue;
4596
4597 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
4598 if (!newmode)
4599 break;
4600 drm_mode_probed_add(connector, newmode);
4601 modes++;
4602 }
4603
4604 return modes;
4605}
4606
4607/**
4608 * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
4609 * @dev: DRM device
4610 * @video_code: CEA VIC of the mode
4611 *
4612 * Creates a new mode matching the specified CEA VIC.
4613 *
4614 * Returns: A new drm_display_mode on success or NULL on failure
4615 */
4616struct drm_display_mode *
4617drm_display_mode_from_cea_vic(struct drm_device *dev,
4618 u8 video_code)
4619{
4620 const struct drm_display_mode *cea_mode;
4621 struct drm_display_mode *newmode;
4622
4623 cea_mode = cea_mode_for_vic(video_code);
4624 if (!cea_mode)
4625 return NULL;
4626
4627 newmode = drm_mode_duplicate(dev, cea_mode);
4628 if (!newmode)
4629 return NULL;
4630
4631 return newmode;
4632}
4633EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
4634
4635/* Add modes based on VICs parsed in parse_cta_vdb() */
4636static int add_cta_vdb_modes(struct drm_connector *connector)
4637{
4638 const struct drm_display_info *info = &connector->display_info;
4639 int i, modes = 0;
4640
4641 if (!info->vics)
4642 return 0;
4643
4644 for (i = 0; i < info->vics_len; i++) {
4645 struct drm_display_mode *mode;
4646
4647 mode = drm_display_mode_from_vic_index(connector, i);
4648 if (mode) {
4649 drm_mode_probed_add(connector, mode);
4650 modes++;
4651 }
4652 }
4653
4654 return modes;
4655}
4656
4657struct stereo_mandatory_mode {
4658 int width, height, vrefresh;
4659 unsigned int flags;
4660};
4661
4662static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
4663 { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4664 { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
4665 { 1920, 1080, 50,
4666 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
4667 { 1920, 1080, 60,
4668 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
4669 { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4670 { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING },
4671 { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
4672 { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING }
4673};
4674
4675static bool
4676stereo_match_mandatory(const struct drm_display_mode *mode,
4677 const struct stereo_mandatory_mode *stereo_mode)
4678{
4679 unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
4680
4681 return mode->hdisplay == stereo_mode->width &&
4682 mode->vdisplay == stereo_mode->height &&
4683 interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
4684 drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
4685}
4686
4687static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
4688{
4689 struct drm_device *dev = connector->dev;
4690 const struct drm_display_mode *mode;
4691 struct list_head stereo_modes;
4692 int modes = 0, i;
4693
4694 INIT_LIST_HEAD(&stereo_modes);
4695
4696 list_for_each_entry(mode, &connector->probed_modes, head) {
4697 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
4698 const struct stereo_mandatory_mode *mandatory;
4699 struct drm_display_mode *new_mode;
4700
4701 if (!stereo_match_mandatory(mode,
4702 &stereo_mandatory_modes[i]))
4703 continue;
4704
4705 mandatory = &stereo_mandatory_modes[i];
4706 new_mode = drm_mode_duplicate(dev, mode);
4707 if (!new_mode)
4708 continue;
4709
4710 new_mode->flags |= mandatory->flags;
4711 list_add_tail(&new_mode->head, &stereo_modes);
4712 modes++;
4713 }
4714 }
4715
4716 list_splice_tail(&stereo_modes, &connector->probed_modes);
4717
4718 return modes;
4719}
4720
4721static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
4722{
4723 struct drm_device *dev = connector->dev;
4724 struct drm_display_mode *newmode;
4725
4726 if (!drm_valid_hdmi_vic(vic)) {
4727 drm_err(connector->dev, "[CONNECTOR:%d:%s] Unknown HDMI VIC: %d\n",
4728 connector->base.id, connector->name, vic);
4729 return 0;
4730 }
4731
4732 newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
4733 if (!newmode)
4734 return 0;
4735
4736 drm_mode_probed_add(connector, newmode);
4737
4738 return 1;
4739}
4740
4741static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
4742 int vic_index)
4743{
4744 struct drm_display_mode *newmode;
4745 int modes = 0;
4746
4747 if (structure & (1 << 0)) {
4748 newmode = drm_display_mode_from_vic_index(connector, vic_index);
4749 if (newmode) {
4750 newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
4751 drm_mode_probed_add(connector, newmode);
4752 modes++;
4753 }
4754 }
4755 if (structure & (1 << 6)) {
4756 newmode = drm_display_mode_from_vic_index(connector, vic_index);
4757 if (newmode) {
4758 newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4759 drm_mode_probed_add(connector, newmode);
4760 modes++;
4761 }
4762 }
4763 if (structure & (1 << 8)) {
4764 newmode = drm_display_mode_from_vic_index(connector, vic_index);
4765 if (newmode) {
4766 newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4767 drm_mode_probed_add(connector, newmode);
4768 modes++;
4769 }
4770 }
4771
4772 return modes;
4773}
4774
4775static bool hdmi_vsdb_latency_present(const u8 *db)
4776{
4777 return db[8] & BIT(7);
4778}
4779
4780static bool hdmi_vsdb_i_latency_present(const u8 *db)
4781{
4782 return hdmi_vsdb_latency_present(db) && db[8] & BIT(6);
4783}
4784
4785static int hdmi_vsdb_latency_length(const u8 *db)
4786{
4787 if (hdmi_vsdb_i_latency_present(db))
4788 return 4;
4789 else if (hdmi_vsdb_latency_present(db))
4790 return 2;
4791 else
4792 return 0;
4793}
4794
4795/*
4796 * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
4797 * @connector: connector corresponding to the HDMI sink
4798 * @db: start of the CEA vendor specific block
4799 * @len: length of the CEA block payload, ie. one can access up to db[len]
4800 *
4801 * Parses the HDMI VSDB looking for modes to add to @connector. This function
4802 * also adds the stereo 3d modes when applicable.
4803 */
4804static int
4805do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len)
4806{
4807 int modes = 0, offset = 0, i, multi_present = 0, multi_len;
4808 u8 vic_len, hdmi_3d_len = 0;
4809 u16 mask;
4810 u16 structure_all;
4811
4812 if (len < 8)
4813 goto out;
4814
4815 /* no HDMI_Video_Present */
4816 if (!(db[8] & (1 << 5)))
4817 goto out;
4818
4819 offset += hdmi_vsdb_latency_length(db);
4820
4821 /* the declared length is not long enough for the 2 first bytes
4822 * of additional video format capabilities */
4823 if (len < (8 + offset + 2))
4824 goto out;
4825
4826 /* 3D_Present */
4827 offset++;
4828 if (db[8 + offset] & (1 << 7)) {
4829 modes += add_hdmi_mandatory_stereo_modes(connector);
4830
4831 /* 3D_Multi_present */
4832 multi_present = (db[8 + offset] & 0x60) >> 5;
4833 }
4834
4835 offset++;
4836 vic_len = db[8 + offset] >> 5;
4837 hdmi_3d_len = db[8 + offset] & 0x1f;
4838
4839 for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
4840 u8 vic;
4841
4842 vic = db[9 + offset + i];
4843 modes += add_hdmi_mode(connector, vic);
4844 }
4845 offset += 1 + vic_len;
4846
4847 if (multi_present == 1)
4848 multi_len = 2;
4849 else if (multi_present == 2)
4850 multi_len = 4;
4851 else
4852 multi_len = 0;
4853
4854 if (len < (8 + offset + hdmi_3d_len - 1))
4855 goto out;
4856
4857 if (hdmi_3d_len < multi_len)
4858 goto out;
4859
4860 if (multi_present == 1 || multi_present == 2) {
4861 /* 3D_Structure_ALL */
4862 structure_all = (db[8 + offset] << 8) | db[9 + offset];
4863
4864 /* check if 3D_MASK is present */
4865 if (multi_present == 2)
4866 mask = (db[10 + offset] << 8) | db[11 + offset];
4867 else
4868 mask = 0xffff;
4869
4870 for (i = 0; i < 16; i++) {
4871 if (mask & (1 << i))
4872 modes += add_3d_struct_modes(connector,
4873 structure_all, i);
4874 }
4875 }
4876
4877 offset += multi_len;
4878
4879 for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
4880 int vic_index;
4881 struct drm_display_mode *newmode = NULL;
4882 unsigned int newflag = 0;
4883 bool detail_present;
4884
4885 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4886
4887 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4888 break;
4889
4890 /* 2D_VIC_order_X */
4891 vic_index = db[8 + offset + i] >> 4;
4892
4893 /* 3D_Structure_X */
4894 switch (db[8 + offset + i] & 0x0f) {
4895 case 0:
4896 newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4897 break;
4898 case 6:
4899 newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4900 break;
4901 case 8:
4902 /* 3D_Detail_X */
4903 if ((db[9 + offset + i] >> 4) == 1)
4904 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4905 break;
4906 }
4907
4908 if (newflag != 0) {
4909 newmode = drm_display_mode_from_vic_index(connector,
4910 vic_index);
4911
4912 if (newmode) {
4913 newmode->flags |= newflag;
4914 drm_mode_probed_add(connector, newmode);
4915 modes++;
4916 }
4917 }
4918
4919 if (detail_present)
4920 i++;
4921 }
4922
4923out:
4924 return modes;
4925}
4926
4927static int
4928cea_revision(const u8 *cea)
4929{
4930 /*
4931 * FIXME is this correct for the DispID variant?
4932 * The DispID spec doesn't really specify whether
4933 * this is the revision of the CEA extension or
4934 * the DispID CEA data block. And the only value
4935 * given as an example is 0.
4936 */
4937 return cea[1];
4938}
4939
4940/*
4941 * CTA Data Block iterator.
4942 *
4943 * Iterate through all CTA Data Blocks in both EDID CTA Extensions and DisplayID
4944 * CTA Data Blocks.
4945 *
4946 * struct cea_db *db:
4947 * struct cea_db_iter iter;
4948 *
4949 * cea_db_iter_edid_begin(edid, &iter);
4950 * cea_db_iter_for_each(db, &iter) {
4951 * // do stuff with db
4952 * }
4953 * cea_db_iter_end(&iter);
4954 */
4955struct cea_db_iter {
4956 struct drm_edid_iter edid_iter;
4957 struct displayid_iter displayid_iter;
4958
4959 /* Current Data Block Collection. */
4960 const u8 *collection;
4961
4962 /* Current Data Block index in current collection. */
4963 int index;
4964
4965 /* End index in current collection. */
4966 int end;
4967};
4968
4969/* CTA-861-H section 7.4 CTA Data BLock Collection */
4970struct cea_db {
4971 u8 tag_length;
4972 u8 data[];
4973} __packed;
4974
4975static int cea_db_tag(const struct cea_db *db)
4976{
4977 return db->tag_length >> 5;
4978}
4979
4980static int cea_db_payload_len(const void *_db)
4981{
4982 /* FIXME: Transition to passing struct cea_db * everywhere. */
4983 const struct cea_db *db = _db;
4984
4985 return db->tag_length & 0x1f;
4986}
4987
4988static const void *cea_db_data(const struct cea_db *db)
4989{
4990 return db->data;
4991}
4992
4993static bool cea_db_is_extended_tag(const struct cea_db *db, int tag)
4994{
4995 return cea_db_tag(db) == CTA_DB_EXTENDED_TAG &&
4996 cea_db_payload_len(db) >= 1 &&
4997 db->data[0] == tag;
4998}
4999
5000static bool cea_db_is_vendor(const struct cea_db *db, int vendor_oui)
5001{
5002 const u8 *data = cea_db_data(db);
5003
5004 return cea_db_tag(db) == CTA_DB_VENDOR &&
5005 cea_db_payload_len(db) >= 3 &&
5006 oui(data[2], data[1], data[0]) == vendor_oui;
5007}
5008
5009static void cea_db_iter_edid_begin(const struct drm_edid *drm_edid,
5010 struct cea_db_iter *iter)
5011{
5012 memset(iter, 0, sizeof(*iter));
5013
5014 drm_edid_iter_begin(drm_edid, &iter->edid_iter);
5015 displayid_iter_edid_begin(drm_edid, &iter->displayid_iter);
5016}
5017
5018static const struct cea_db *
5019__cea_db_iter_current_block(const struct cea_db_iter *iter)
5020{
5021 const struct cea_db *db;
5022
5023 if (!iter->collection)
5024 return NULL;
5025
5026 db = (const struct cea_db *)&iter->collection[iter->index];
5027
5028 if (iter->index + sizeof(*db) <= iter->end &&
5029 iter->index + sizeof(*db) + cea_db_payload_len(db) <= iter->end)
5030 return db;
5031
5032 return NULL;
5033}
5034
5035/*
5036 * References:
5037 * - CTA-861-H section 7.3.3 CTA Extension Version 3
5038 */
5039static int cea_db_collection_size(const u8 *cta)
5040{
5041 u8 d = cta[2];
5042
5043 if (d < 4 || d > 127)
5044 return 0;
5045
5046 return d - 4;
5047}
5048
5049/*
5050 * References:
5051 * - VESA E-EDID v1.4
5052 * - CTA-861-H section 7.3.3 CTA Extension Version 3
5053 */
5054static const void *__cea_db_iter_edid_next(struct cea_db_iter *iter)
5055{
5056 const u8 *ext;
5057
5058 drm_edid_iter_for_each(ext, &iter->edid_iter) {
5059 int size;
5060
5061 /* Only support CTA Extension revision 3+ */
5062 if (ext[0] != CEA_EXT || cea_revision(ext) < 3)
5063 continue;
5064
5065 size = cea_db_collection_size(ext);
5066 if (!size)
5067 continue;
5068
5069 iter->index = 4;
5070 iter->end = iter->index + size;
5071
5072 return ext;
5073 }
5074
5075 return NULL;
5076}
5077
5078/*
5079 * References:
5080 * - DisplayID v1.3 Appendix C: CEA Data Block within a DisplayID Data Block
5081 * - DisplayID v2.0 section 4.10 CTA DisplayID Data Block
5082 *
5083 * Note that the above do not specify any connection between DisplayID Data
5084 * Block revision and CTA Extension versions.
5085 */
5086static const void *__cea_db_iter_displayid_next(struct cea_db_iter *iter)
5087{
5088 const struct displayid_block *block;
5089
5090 displayid_iter_for_each(block, &iter->displayid_iter) {
5091 if (block->tag != DATA_BLOCK_CTA)
5092 continue;
5093
5094 /*
5095 * The displayid iterator has already verified the block bounds
5096 * in displayid_iter_block().
5097 */
5098 iter->index = sizeof(*block);
5099 iter->end = iter->index + block->num_bytes;
5100
5101 return block;
5102 }
5103
5104 return NULL;
5105}
5106
5107static const struct cea_db *__cea_db_iter_next(struct cea_db_iter *iter)
5108{
5109 const struct cea_db *db;
5110
5111 if (iter->collection) {
5112 /* Current collection should always be valid. */
5113 db = __cea_db_iter_current_block(iter);
5114 if (WARN_ON(!db)) {
5115 iter->collection = NULL;
5116 return NULL;
5117 }
5118
5119 /* Next block in CTA Data Block Collection */
5120 iter->index += sizeof(*db) + cea_db_payload_len(db);
5121
5122 db = __cea_db_iter_current_block(iter);
5123 if (db)
5124 return db;
5125 }
5126
5127 for (;;) {
5128 /*
5129 * Find the next CTA Data Block Collection. First iterate all
5130 * the EDID CTA Extensions, then all the DisplayID CTA blocks.
5131 *
5132 * Per DisplayID v1.3 Appendix B: DisplayID as an EDID
5133 * Extension, it's recommended that DisplayID extensions are
5134 * exposed after all of the CTA Extensions.
5135 */
5136 iter->collection = __cea_db_iter_edid_next(iter);
5137 if (!iter->collection)
5138 iter->collection = __cea_db_iter_displayid_next(iter);
5139
5140 if (!iter->collection)
5141 return NULL;
5142
5143 db = __cea_db_iter_current_block(iter);
5144 if (db)
5145 return db;
5146 }
5147}
5148
5149#define cea_db_iter_for_each(__db, __iter) \
5150 while (((__db) = __cea_db_iter_next(__iter)))
5151
5152static void cea_db_iter_end(struct cea_db_iter *iter)
5153{
5154 displayid_iter_end(&iter->displayid_iter);
5155 drm_edid_iter_end(&iter->edid_iter);
5156
5157 memset(iter, 0, sizeof(*iter));
5158}
5159
5160static bool cea_db_is_hdmi_vsdb(const struct cea_db *db)
5161{
5162 return cea_db_is_vendor(db, HDMI_IEEE_OUI) &&
5163 cea_db_payload_len(db) >= 5;
5164}
5165
5166static bool cea_db_is_hdmi_forum_vsdb(const struct cea_db *db)
5167{
5168 return cea_db_is_vendor(db, HDMI_FORUM_IEEE_OUI) &&
5169 cea_db_payload_len(db) >= 7;
5170}
5171
5172static bool cea_db_is_hdmi_forum_eeodb(const void *db)
5173{
5174 return cea_db_is_extended_tag(db, CTA_EXT_DB_HF_EEODB) &&
5175 cea_db_payload_len(db) >= 2;
5176}
5177
5178static bool cea_db_is_microsoft_vsdb(const struct cea_db *db)
5179{
5180 return cea_db_is_vendor(db, MICROSOFT_IEEE_OUI) &&
5181 cea_db_payload_len(db) == 21;
5182}
5183
5184static bool cea_db_is_vcdb(const struct cea_db *db)
5185{
5186 return cea_db_is_extended_tag(db, CTA_EXT_DB_VIDEO_CAP) &&
5187 cea_db_payload_len(db) == 2;
5188}
5189
5190static bool cea_db_is_hdmi_forum_scdb(const struct cea_db *db)
5191{
5192 return cea_db_is_extended_tag(db, CTA_EXT_DB_HF_SCDB) &&
5193 cea_db_payload_len(db) >= 7;
5194}
5195
5196static bool cea_db_is_y420cmdb(const struct cea_db *db)
5197{
5198 return cea_db_is_extended_tag(db, CTA_EXT_DB_420_VIDEO_CAP_MAP);
5199}
5200
5201static bool cea_db_is_y420vdb(const struct cea_db *db)
5202{
5203 return cea_db_is_extended_tag(db, CTA_EXT_DB_420_VIDEO_DATA);
5204}
5205
5206static bool cea_db_is_hdmi_hdr_metadata_block(const struct cea_db *db)
5207{
5208 return cea_db_is_extended_tag(db, CTA_EXT_DB_HDR_STATIC_METADATA) &&
5209 cea_db_payload_len(db) >= 3;
5210}
5211
5212/*
5213 * Get the HF-EEODB override extension block count from EDID.
5214 *
5215 * The passed in EDID may be partially read, as long as it has at least two
5216 * blocks (base block and one extension block) if EDID extension count is > 0.
5217 *
5218 * Note that this is *not* how you should parse CTA Data Blocks in general; this
5219 * is only to handle partially read EDIDs. Normally, use the CTA Data Block
5220 * iterators instead.
5221 *
5222 * References:
5223 * - HDMI 2.1 section 10.3.6 HDMI Forum EDID Extension Override Data Block
5224 */
5225static int edid_hfeeodb_extension_block_count(const struct edid *edid)
5226{
5227 const u8 *cta;
5228
5229 /* No extensions according to base block, no HF-EEODB. */
5230 if (!edid_extension_block_count(edid))
5231 return 0;
5232
5233 /* HF-EEODB is always in the first EDID extension block only */
5234 cta = edid_extension_block_data(edid, 0);
5235 if (edid_block_tag(cta) != CEA_EXT || cea_revision(cta) < 3)
5236 return 0;
5237
5238 /* Need to have the data block collection, and at least 3 bytes. */
5239 if (cea_db_collection_size(cta) < 3)
5240 return 0;
5241
5242 /*
5243 * Sinks that include the HF-EEODB in their E-EDID shall include one and
5244 * only one instance of the HF-EEODB in the E-EDID, occupying bytes 4
5245 * through 6 of Block 1 of the E-EDID.
5246 */
5247 if (!cea_db_is_hdmi_forum_eeodb(&cta[4]))
5248 return 0;
5249
5250 return cta[4 + 2];
5251}
5252
5253/*
5254 * CTA-861 YCbCr 4:2:0 Capability Map Data Block (CTA Y420CMDB)
5255 *
5256 * Y420CMDB contains a bitmap which gives the index of CTA modes from CTA VDB,
5257 * which can support YCBCR 420 sampling output also (apart from RGB/YCBCR444
5258 * etc). For example, if the bit 0 in bitmap is set, first mode in VDB can
5259 * support YCBCR420 output too.
5260 */
5261static void parse_cta_y420cmdb(struct drm_connector *connector,
5262 const struct cea_db *db, u64 *y420cmdb_map)
5263{
5264 struct drm_display_info *info = &connector->display_info;
5265 int i, map_len = cea_db_payload_len(db) - 1;
5266 const u8 *data = cea_db_data(db) + 1;
5267 u64 map = 0;
5268
5269 if (map_len == 0) {
5270 /* All CEA modes support ycbcr420 sampling also.*/
5271 map = U64_MAX;
5272 goto out;
5273 }
5274
5275 /*
5276 * This map indicates which of the existing CEA block modes
5277 * from VDB can support YCBCR420 output too. So if bit=0 is
5278 * set, first mode from VDB can support YCBCR420 output too.
5279 * We will parse and keep this map, before parsing VDB itself
5280 * to avoid going through the same block again and again.
5281 *
5282 * Spec is not clear about max possible size of this block.
5283 * Clamping max bitmap block size at 8 bytes. Every byte can
5284 * address 8 CEA modes, in this way this map can address
5285 * 8*8 = first 64 SVDs.
5286 */
5287 if (WARN_ON_ONCE(map_len > 8))
5288 map_len = 8;
5289
5290 for (i = 0; i < map_len; i++)
5291 map |= (u64)data[i] << (8 * i);
5292
5293out:
5294 if (map)
5295 info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
5296
5297 *y420cmdb_map = map;
5298}
5299
5300static int add_cea_modes(struct drm_connector *connector,
5301 const struct drm_edid *drm_edid)
5302{
5303 const struct cea_db *db;
5304 struct cea_db_iter iter;
5305 int modes;
5306
5307 /* CTA VDB block VICs parsed earlier */
5308 modes = add_cta_vdb_modes(connector);
5309
5310 cea_db_iter_edid_begin(drm_edid, &iter);
5311 cea_db_iter_for_each(db, &iter) {
5312 if (cea_db_is_hdmi_vsdb(db)) {
5313 modes += do_hdmi_vsdb_modes(connector, (const u8 *)db,
5314 cea_db_payload_len(db));
5315 } else if (cea_db_is_y420vdb(db)) {
5316 const u8 *vdb420 = cea_db_data(db) + 1;
5317
5318 /* Add 4:2:0(only) modes present in EDID */
5319 modes += do_y420vdb_modes(connector, vdb420,
5320 cea_db_payload_len(db) - 1);
5321 }
5322 }
5323 cea_db_iter_end(&iter);
5324
5325 return modes;
5326}
5327
5328static void fixup_detailed_cea_mode_clock(struct drm_connector *connector,
5329 struct drm_display_mode *mode)
5330{
5331 const struct drm_display_mode *cea_mode;
5332 int clock1, clock2, clock;
5333 u8 vic;
5334 const char *type;
5335
5336 /*
5337 * allow 5kHz clock difference either way to account for
5338 * the 10kHz clock resolution limit of detailed timings.
5339 */
5340 vic = drm_match_cea_mode_clock_tolerance(mode, 5);
5341 if (drm_valid_cea_vic(vic)) {
5342 type = "CEA";
5343 cea_mode = cea_mode_for_vic(vic);
5344 clock1 = cea_mode->clock;
5345 clock2 = cea_mode_alternate_clock(cea_mode);
5346 } else {
5347 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
5348 if (drm_valid_hdmi_vic(vic)) {
5349 type = "HDMI";
5350 cea_mode = &edid_4k_modes[vic];
5351 clock1 = cea_mode->clock;
5352 clock2 = hdmi_mode_alternate_clock(cea_mode);
5353 } else {
5354 return;
5355 }
5356 }
5357
5358 /* pick whichever is closest */
5359 if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
5360 clock = clock1;
5361 else
5362 clock = clock2;
5363
5364 if (mode->clock == clock)
5365 return;
5366
5367 drm_dbg_kms(connector->dev,
5368 "[CONNECTOR:%d:%s] detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
5369 connector->base.id, connector->name,
5370 type, vic, mode->clock, clock);
5371 mode->clock = clock;
5372}
5373
5374static void drm_calculate_luminance_range(struct drm_connector *connector)
5375{
5376 struct hdr_static_metadata *hdr_metadata = &connector->hdr_sink_metadata.hdmi_type1;
5377 struct drm_luminance_range_info *luminance_range =
5378 &connector->display_info.luminance_range;
5379 static const u8 pre_computed_values[] = {
5380 50, 51, 52, 53, 55, 56, 57, 58, 59, 61, 62, 63, 65, 66, 68, 69,
5381 71, 72, 74, 75, 77, 79, 81, 82, 84, 86, 88, 90, 92, 94, 96, 98
5382 };
5383 u32 max_avg, min_cll, max, min, q, r;
5384
5385 if (!(hdr_metadata->metadata_type & BIT(HDMI_STATIC_METADATA_TYPE1)))
5386 return;
5387
5388 max_avg = hdr_metadata->max_fall;
5389 min_cll = hdr_metadata->min_cll;
5390
5391 /*
5392 * From the specification (CTA-861-G), for calculating the maximum
5393 * luminance we need to use:
5394 * Luminance = 50*2**(CV/32)
5395 * Where CV is a one-byte value.
5396 * For calculating this expression we may need float point precision;
5397 * to avoid this complexity level, we take advantage that CV is divided
5398 * by a constant. From the Euclids division algorithm, we know that CV
5399 * can be written as: CV = 32*q + r. Next, we replace CV in the
5400 * Luminance expression and get 50*(2**q)*(2**(r/32)), hence we just
5401 * need to pre-compute the value of r/32. For pre-computing the values
5402 * We just used the following Ruby line:
5403 * (0...32).each {|cv| puts (50*2**(cv/32.0)).round}
5404 * The results of the above expressions can be verified at
5405 * pre_computed_values.
5406 */
5407 q = max_avg >> 5;
5408 r = max_avg % 32;
5409 max = (1 << q) * pre_computed_values[r];
5410
5411 /* min luminance: maxLum * (CV/255)^2 / 100 */
5412 q = DIV_ROUND_CLOSEST(min_cll, 255);
5413 min = max * DIV_ROUND_CLOSEST((q * q), 100);
5414
5415 luminance_range->min_luminance = min;
5416 luminance_range->max_luminance = max;
5417}
5418
5419static uint8_t eotf_supported(const u8 *edid_ext)
5420{
5421 return edid_ext[2] &
5422 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
5423 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
5424 BIT(HDMI_EOTF_SMPTE_ST2084) |
5425 BIT(HDMI_EOTF_BT_2100_HLG));
5426}
5427
5428static uint8_t hdr_metadata_type(const u8 *edid_ext)
5429{
5430 return edid_ext[3] &
5431 BIT(HDMI_STATIC_METADATA_TYPE1);
5432}
5433
5434static void
5435drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
5436{
5437 u16 len;
5438
5439 len = cea_db_payload_len(db);
5440
5441 connector->hdr_sink_metadata.hdmi_type1.eotf =
5442 eotf_supported(db);
5443 connector->hdr_sink_metadata.hdmi_type1.metadata_type =
5444 hdr_metadata_type(db);
5445
5446 if (len >= 4)
5447 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
5448 if (len >= 5)
5449 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
5450 if (len >= 6) {
5451 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
5452
5453 /* Calculate only when all values are available */
5454 drm_calculate_luminance_range(connector);
5455 }
5456}
5457
5458/* HDMI Vendor-Specific Data Block (HDMI VSDB, H14b-VSDB) */
5459static void
5460drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
5461{
5462 u8 len = cea_db_payload_len(db);
5463
5464 if (len >= 6 && (db[6] & (1 << 7)))
5465 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
5466
5467 if (len >= 10 && hdmi_vsdb_latency_present(db)) {
5468 connector->latency_present[0] = true;
5469 connector->video_latency[0] = db[9];
5470 connector->audio_latency[0] = db[10];
5471 }
5472
5473 if (len >= 12 && hdmi_vsdb_i_latency_present(db)) {
5474 connector->latency_present[1] = true;
5475 connector->video_latency[1] = db[11];
5476 connector->audio_latency[1] = db[12];
5477 }
5478
5479 drm_dbg_kms(connector->dev,
5480 "[CONNECTOR:%d:%s] HDMI: latency present %d %d, video latency %d %d, audio latency %d %d\n",
5481 connector->base.id, connector->name,
5482 connector->latency_present[0], connector->latency_present[1],
5483 connector->video_latency[0], connector->video_latency[1],
5484 connector->audio_latency[0], connector->audio_latency[1]);
5485}
5486
5487static void
5488match_identity(const struct detailed_timing *timing, void *data)
5489{
5490 struct drm_edid_match_closure *closure = data;
5491 unsigned int i;
5492 const char *name = closure->ident->name;
5493 unsigned int name_len = strlen(name);
5494 const char *desc = timing->data.other_data.data.str.str;
5495 unsigned int desc_len = ARRAY_SIZE(timing->data.other_data.data.str.str);
5496
5497 if (name_len > desc_len ||
5498 !(is_display_descriptor(timing, EDID_DETAIL_MONITOR_NAME) ||
5499 is_display_descriptor(timing, EDID_DETAIL_MONITOR_STRING)))
5500 return;
5501
5502 if (strncmp(name, desc, name_len))
5503 return;
5504
5505 for (i = name_len; i < desc_len; i++) {
5506 if (desc[i] == '\n')
5507 break;
5508 /* Allow white space before EDID string terminator. */
5509 if (!isspace(desc[i]))
5510 return;
5511 }
5512
5513 closure->matched = true;
5514}
5515
5516/**
5517 * drm_edid_match - match drm_edid with given identity
5518 * @drm_edid: EDID
5519 * @ident: the EDID identity to match with
5520 *
5521 * Check if the EDID matches with the given identity.
5522 *
5523 * Return: True if the given identity matched with EDID, false otherwise.
5524 */
5525bool drm_edid_match(const struct drm_edid *drm_edid,
5526 const struct drm_edid_ident *ident)
5527{
5528 if (!drm_edid || drm_edid_get_panel_id(drm_edid) != ident->panel_id)
5529 return false;
5530
5531 /* Match with name only if it's not NULL. */
5532 if (ident->name) {
5533 struct drm_edid_match_closure closure = {
5534 .ident = ident,
5535 .matched = false,
5536 };
5537
5538 drm_for_each_detailed_block(drm_edid, match_identity, &closure);
5539
5540 return closure.matched;
5541 }
5542
5543 return true;
5544}
5545EXPORT_SYMBOL(drm_edid_match);
5546
5547static void
5548monitor_name(const struct detailed_timing *timing, void *data)
5549{
5550 const char **res = data;
5551
5552 if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_NAME))
5553 return;
5554
5555 *res = timing->data.other_data.data.str.str;
5556}
5557
5558static int get_monitor_name(const struct drm_edid *drm_edid, char name[13])
5559{
5560 const char *edid_name = NULL;
5561 int mnl;
5562
5563 if (!drm_edid || !name)
5564 return 0;
5565
5566 drm_for_each_detailed_block(drm_edid, monitor_name, &edid_name);
5567 for (mnl = 0; edid_name && mnl < 13; mnl++) {
5568 if (edid_name[mnl] == 0x0a)
5569 break;
5570
5571 name[mnl] = edid_name[mnl];
5572 }
5573
5574 return mnl;
5575}
5576
5577/**
5578 * drm_edid_get_monitor_name - fetch the monitor name from the edid
5579 * @edid: monitor EDID information
5580 * @name: pointer to a character array to hold the name of the monitor
5581 * @bufsize: The size of the name buffer (should be at least 14 chars.)
5582 *
5583 */
5584void drm_edid_get_monitor_name(const struct edid *edid, char *name, int bufsize)
5585{
5586 int name_length = 0;
5587
5588 if (bufsize <= 0)
5589 return;
5590
5591 if (edid) {
5592 char buf[13];
5593 struct drm_edid drm_edid = {
5594 .edid = edid,
5595 .size = edid_size(edid),
5596 };
5597
5598 name_length = min(get_monitor_name(&drm_edid, buf), bufsize - 1);
5599 memcpy(name, buf, name_length);
5600 }
5601
5602 name[name_length] = '\0';
5603}
5604EXPORT_SYMBOL(drm_edid_get_monitor_name);
5605
5606static void clear_eld(struct drm_connector *connector)
5607{
5608 mutex_lock(&connector->eld_mutex);
5609 memset(connector->eld, 0, sizeof(connector->eld));
5610 mutex_unlock(&connector->eld_mutex);
5611
5612 connector->latency_present[0] = false;
5613 connector->latency_present[1] = false;
5614 connector->video_latency[0] = 0;
5615 connector->audio_latency[0] = 0;
5616 connector->video_latency[1] = 0;
5617 connector->audio_latency[1] = 0;
5618}
5619
5620/*
5621 * Get 3-byte SAD buffer from struct cea_sad.
5622 */
5623void drm_edid_cta_sad_get(const struct cea_sad *cta_sad, u8 *sad)
5624{
5625 sad[0] = cta_sad->format << 3 | cta_sad->channels;
5626 sad[1] = cta_sad->freq;
5627 sad[2] = cta_sad->byte2;
5628}
5629
5630/*
5631 * Set struct cea_sad from 3-byte SAD buffer.
5632 */
5633void drm_edid_cta_sad_set(struct cea_sad *cta_sad, const u8 *sad)
5634{
5635 cta_sad->format = (sad[0] & 0x78) >> 3;
5636 cta_sad->channels = sad[0] & 0x07;
5637 cta_sad->freq = sad[1] & 0x7f;
5638 cta_sad->byte2 = sad[2];
5639}
5640
5641/*
5642 * drm_edid_to_eld - build ELD from EDID
5643 * @connector: connector corresponding to the HDMI/DP sink
5644 * @drm_edid: EDID to parse
5645 *
5646 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
5647 * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
5648 */
5649static void drm_edid_to_eld(struct drm_connector *connector,
5650 const struct drm_edid *drm_edid)
5651{
5652 const struct drm_display_info *info = &connector->display_info;
5653 const struct cea_db *db;
5654 struct cea_db_iter iter;
5655 uint8_t *eld = connector->eld;
5656 int total_sad_count = 0;
5657 int mnl;
5658
5659 if (!drm_edid)
5660 return;
5661
5662 mutex_lock(&connector->eld_mutex);
5663
5664 mnl = get_monitor_name(drm_edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
5665 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] ELD monitor %s\n",
5666 connector->base.id, connector->name,
5667 &eld[DRM_ELD_MONITOR_NAME_STRING]);
5668
5669 eld[DRM_ELD_CEA_EDID_VER_MNL] = info->cea_rev << DRM_ELD_CEA_EDID_VER_SHIFT;
5670 eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
5671
5672 eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
5673
5674 eld[DRM_ELD_MANUFACTURER_NAME0] = drm_edid->edid->mfg_id[0];
5675 eld[DRM_ELD_MANUFACTURER_NAME1] = drm_edid->edid->mfg_id[1];
5676 eld[DRM_ELD_PRODUCT_CODE0] = drm_edid->edid->prod_code[0];
5677 eld[DRM_ELD_PRODUCT_CODE1] = drm_edid->edid->prod_code[1];
5678
5679 cea_db_iter_edid_begin(drm_edid, &iter);
5680 cea_db_iter_for_each(db, &iter) {
5681 const u8 *data = cea_db_data(db);
5682 int len = cea_db_payload_len(db);
5683 int sad_count;
5684
5685 switch (cea_db_tag(db)) {
5686 case CTA_DB_AUDIO:
5687 /* Audio Data Block, contains SADs */
5688 sad_count = min(len / 3, 15 - total_sad_count);
5689 if (sad_count >= 1)
5690 memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
5691 data, sad_count * 3);
5692 total_sad_count += sad_count;
5693 break;
5694 case CTA_DB_SPEAKER:
5695 /* Speaker Allocation Data Block */
5696 if (len >= 1)
5697 eld[DRM_ELD_SPEAKER] = data[0];
5698 break;
5699 case CTA_DB_VENDOR:
5700 /* HDMI Vendor-Specific Data Block */
5701 if (cea_db_is_hdmi_vsdb(db))
5702 drm_parse_hdmi_vsdb_audio(connector, (const u8 *)db);
5703 break;
5704 default:
5705 break;
5706 }
5707 }
5708 cea_db_iter_end(&iter);
5709
5710 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
5711
5712 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
5713 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
5714 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
5715 else
5716 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
5717
5718 eld[DRM_ELD_BASELINE_ELD_LEN] =
5719 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
5720
5721 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] ELD size %d, SAD count %d\n",
5722 connector->base.id, connector->name,
5723 drm_eld_size(eld), total_sad_count);
5724
5725 mutex_unlock(&connector->eld_mutex);
5726}
5727
5728static int _drm_edid_to_sad(const struct drm_edid *drm_edid,
5729 struct cea_sad **psads)
5730{
5731 const struct cea_db *db;
5732 struct cea_db_iter iter;
5733 int count = 0;
5734
5735 cea_db_iter_edid_begin(drm_edid, &iter);
5736 cea_db_iter_for_each(db, &iter) {
5737 if (cea_db_tag(db) == CTA_DB_AUDIO) {
5738 struct cea_sad *sads;
5739 int i;
5740
5741 count = cea_db_payload_len(db) / 3; /* SAD is 3B */
5742 sads = kcalloc(count, sizeof(*sads), GFP_KERNEL);
5743 *psads = sads;
5744 if (!sads)
5745 return -ENOMEM;
5746 for (i = 0; i < count; i++)
5747 drm_edid_cta_sad_set(&sads[i], &db->data[i * 3]);
5748 break;
5749 }
5750 }
5751 cea_db_iter_end(&iter);
5752
5753 DRM_DEBUG_KMS("Found %d Short Audio Descriptors\n", count);
5754
5755 return count;
5756}
5757
5758/**
5759 * drm_edid_to_sad - extracts SADs from EDID
5760 * @edid: EDID to parse
5761 * @sads: pointer that will be set to the extracted SADs
5762 *
5763 * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
5764 *
5765 * Note: The returned pointer needs to be freed using kfree().
5766 *
5767 * Return: The number of found SADs or negative number on error.
5768 */
5769int drm_edid_to_sad(const struct edid *edid, struct cea_sad **sads)
5770{
5771 struct drm_edid drm_edid;
5772
5773 return _drm_edid_to_sad(drm_edid_legacy_init(&drm_edid, edid), sads);
5774}
5775EXPORT_SYMBOL(drm_edid_to_sad);
5776
5777static int _drm_edid_to_speaker_allocation(const struct drm_edid *drm_edid,
5778 u8 **sadb)
5779{
5780 const struct cea_db *db;
5781 struct cea_db_iter iter;
5782 int count = 0;
5783
5784 cea_db_iter_edid_begin(drm_edid, &iter);
5785 cea_db_iter_for_each(db, &iter) {
5786 if (cea_db_tag(db) == CTA_DB_SPEAKER &&
5787 cea_db_payload_len(db) == 3) {
5788 *sadb = kmemdup(db->data, cea_db_payload_len(db),
5789 GFP_KERNEL);
5790 if (!*sadb)
5791 return -ENOMEM;
5792 count = cea_db_payload_len(db);
5793 break;
5794 }
5795 }
5796 cea_db_iter_end(&iter);
5797
5798 DRM_DEBUG_KMS("Found %d Speaker Allocation Data Blocks\n", count);
5799
5800 return count;
5801}
5802
5803/**
5804 * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
5805 * @edid: EDID to parse
5806 * @sadb: pointer to the speaker block
5807 *
5808 * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
5809 *
5810 * Note: The returned pointer needs to be freed using kfree().
5811 *
5812 * Return: The number of found Speaker Allocation Blocks or negative number on
5813 * error.
5814 */
5815int drm_edid_to_speaker_allocation(const struct edid *edid, u8 **sadb)
5816{
5817 struct drm_edid drm_edid;
5818
5819 return _drm_edid_to_speaker_allocation(drm_edid_legacy_init(&drm_edid, edid),
5820 sadb);
5821}
5822EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
5823
5824/**
5825 * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
5826 * @connector: connector associated with the HDMI/DP sink
5827 * @mode: the display mode
5828 *
5829 * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
5830 * the sink doesn't support audio or video.
5831 */
5832int drm_av_sync_delay(struct drm_connector *connector,
5833 const struct drm_display_mode *mode)
5834{
5835 int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
5836 int a, v;
5837
5838 if (!connector->latency_present[0])
5839 return 0;
5840 if (!connector->latency_present[1])
5841 i = 0;
5842
5843 a = connector->audio_latency[i];
5844 v = connector->video_latency[i];
5845
5846 /*
5847 * HDMI/DP sink doesn't support audio or video?
5848 */
5849 if (a == 255 || v == 255)
5850 return 0;
5851
5852 /*
5853 * Convert raw EDID values to millisecond.
5854 * Treat unknown latency as 0ms.
5855 */
5856 if (a)
5857 a = min(2 * (a - 1), 500);
5858 if (v)
5859 v = min(2 * (v - 1), 500);
5860
5861 return max(v - a, 0);
5862}
5863EXPORT_SYMBOL(drm_av_sync_delay);
5864
5865static bool _drm_detect_hdmi_monitor(const struct drm_edid *drm_edid)
5866{
5867 const struct cea_db *db;
5868 struct cea_db_iter iter;
5869 bool hdmi = false;
5870
5871 /*
5872 * Because HDMI identifier is in Vendor Specific Block,
5873 * search it from all data blocks of CEA extension.
5874 */
5875 cea_db_iter_edid_begin(drm_edid, &iter);
5876 cea_db_iter_for_each(db, &iter) {
5877 if (cea_db_is_hdmi_vsdb(db)) {
5878 hdmi = true;
5879 break;
5880 }
5881 }
5882 cea_db_iter_end(&iter);
5883
5884 return hdmi;
5885}
5886
5887/**
5888 * drm_detect_hdmi_monitor - detect whether monitor is HDMI
5889 * @edid: monitor EDID information
5890 *
5891 * Parse the CEA extension according to CEA-861-B.
5892 *
5893 * Drivers that have added the modes parsed from EDID to drm_display_info
5894 * should use &drm_display_info.is_hdmi instead of calling this function.
5895 *
5896 * Return: True if the monitor is HDMI, false if not or unknown.
5897 */
5898bool drm_detect_hdmi_monitor(const struct edid *edid)
5899{
5900 struct drm_edid drm_edid;
5901
5902 return _drm_detect_hdmi_monitor(drm_edid_legacy_init(&drm_edid, edid));
5903}
5904EXPORT_SYMBOL(drm_detect_hdmi_monitor);
5905
5906static bool _drm_detect_monitor_audio(const struct drm_edid *drm_edid)
5907{
5908 struct drm_edid_iter edid_iter;
5909 const struct cea_db *db;
5910 struct cea_db_iter iter;
5911 const u8 *edid_ext;
5912 bool has_audio = false;
5913
5914 drm_edid_iter_begin(drm_edid, &edid_iter);
5915 drm_edid_iter_for_each(edid_ext, &edid_iter) {
5916 if (edid_ext[0] == CEA_EXT) {
5917 has_audio = edid_ext[3] & EDID_BASIC_AUDIO;
5918 if (has_audio)
5919 break;
5920 }
5921 }
5922 drm_edid_iter_end(&edid_iter);
5923
5924 if (has_audio) {
5925 DRM_DEBUG_KMS("Monitor has basic audio support\n");
5926 goto end;
5927 }
5928
5929 cea_db_iter_edid_begin(drm_edid, &iter);
5930 cea_db_iter_for_each(db, &iter) {
5931 if (cea_db_tag(db) == CTA_DB_AUDIO) {
5932 const u8 *data = cea_db_data(db);
5933 int i;
5934
5935 for (i = 0; i < cea_db_payload_len(db); i += 3)
5936 DRM_DEBUG_KMS("CEA audio format %d\n",
5937 (data[i] >> 3) & 0xf);
5938 has_audio = true;
5939 break;
5940 }
5941 }
5942 cea_db_iter_end(&iter);
5943
5944end:
5945 return has_audio;
5946}
5947
5948/**
5949 * drm_detect_monitor_audio - check monitor audio capability
5950 * @edid: EDID block to scan
5951 *
5952 * Monitor should have CEA extension block.
5953 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
5954 * audio' only. If there is any audio extension block and supported
5955 * audio format, assume at least 'basic audio' support, even if 'basic
5956 * audio' is not defined in EDID.
5957 *
5958 * Return: True if the monitor supports audio, false otherwise.
5959 */
5960bool drm_detect_monitor_audio(const struct edid *edid)
5961{
5962 struct drm_edid drm_edid;
5963
5964 return _drm_detect_monitor_audio(drm_edid_legacy_init(&drm_edid, edid));
5965}
5966EXPORT_SYMBOL(drm_detect_monitor_audio);
5967
5968
5969/**
5970 * drm_default_rgb_quant_range - default RGB quantization range
5971 * @mode: display mode
5972 *
5973 * Determine the default RGB quantization range for the mode,
5974 * as specified in CEA-861.
5975 *
5976 * Return: The default RGB quantization range for the mode
5977 */
5978enum hdmi_quantization_range
5979drm_default_rgb_quant_range(const struct drm_display_mode *mode)
5980{
5981 /* All CEA modes other than VIC 1 use limited quantization range. */
5982 return drm_match_cea_mode(mode) > 1 ?
5983 HDMI_QUANTIZATION_RANGE_LIMITED :
5984 HDMI_QUANTIZATION_RANGE_FULL;
5985}
5986EXPORT_SYMBOL(drm_default_rgb_quant_range);
5987
5988/* CTA-861 Video Data Block (CTA VDB) */
5989static void parse_cta_vdb(struct drm_connector *connector, const struct cea_db *db)
5990{
5991 struct drm_display_info *info = &connector->display_info;
5992 int i, vic_index, len = cea_db_payload_len(db);
5993 const u8 *svds = cea_db_data(db);
5994 u8 *vics;
5995
5996 if (!len)
5997 return;
5998
5999 /* Gracefully handle multiple VDBs, however unlikely that is */
6000 vics = krealloc(info->vics, info->vics_len + len, GFP_KERNEL);
6001 if (!vics)
6002 return;
6003
6004 vic_index = info->vics_len;
6005 info->vics_len += len;
6006 info->vics = vics;
6007
6008 for (i = 0; i < len; i++) {
6009 u8 vic = svd_to_vic(svds[i]);
6010
6011 if (!drm_valid_cea_vic(vic))
6012 vic = 0;
6013
6014 info->vics[vic_index++] = vic;
6015 }
6016}
6017
6018/*
6019 * Update y420_cmdb_modes based on previously parsed CTA VDB and Y420CMDB.
6020 *
6021 * Translate the y420cmdb_map based on VIC indexes to y420_cmdb_modes indexed
6022 * using the VICs themselves.
6023 */
6024static void update_cta_y420cmdb(struct drm_connector *connector, u64 y420cmdb_map)
6025{
6026 struct drm_display_info *info = &connector->display_info;
6027 struct drm_hdmi_info *hdmi = &info->hdmi;
6028 int i, len = min_t(int, info->vics_len, BITS_PER_TYPE(y420cmdb_map));
6029
6030 for (i = 0; i < len; i++) {
6031 u8 vic = info->vics[i];
6032
6033 if (vic && y420cmdb_map & BIT_ULL(i))
6034 bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
6035 }
6036}
6037
6038static bool cta_vdb_has_vic(const struct drm_connector *connector, u8 vic)
6039{
6040 const struct drm_display_info *info = &connector->display_info;
6041 int i;
6042
6043 if (!vic || !info->vics)
6044 return false;
6045
6046 for (i = 0; i < info->vics_len; i++) {
6047 if (info->vics[i] == vic)
6048 return true;
6049 }
6050
6051 return false;
6052}
6053
6054/* CTA-861-H YCbCr 4:2:0 Video Data Block (CTA Y420VDB) */
6055static void parse_cta_y420vdb(struct drm_connector *connector,
6056 const struct cea_db *db)
6057{
6058 struct drm_display_info *info = &connector->display_info;
6059 struct drm_hdmi_info *hdmi = &info->hdmi;
6060 const u8 *svds = cea_db_data(db) + 1;
6061 int i;
6062
6063 for (i = 0; i < cea_db_payload_len(db) - 1; i++) {
6064 u8 vic = svd_to_vic(svds[i]);
6065
6066 if (!drm_valid_cea_vic(vic))
6067 continue;
6068
6069 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
6070 info->color_formats |= DRM_COLOR_FORMAT_YCBCR420;
6071 }
6072}
6073
6074static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
6075{
6076 struct drm_display_info *info = &connector->display_info;
6077
6078 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] CEA VCDB 0x%02x\n",
6079 connector->base.id, connector->name, db[2]);
6080
6081 if (db[2] & EDID_CEA_VCDB_QS)
6082 info->rgb_quant_range_selectable = true;
6083}
6084
6085static
6086void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
6087{
6088 switch (max_frl_rate) {
6089 case 1:
6090 *max_lanes = 3;
6091 *max_rate_per_lane = 3;
6092 break;
6093 case 2:
6094 *max_lanes = 3;
6095 *max_rate_per_lane = 6;
6096 break;
6097 case 3:
6098 *max_lanes = 4;
6099 *max_rate_per_lane = 6;
6100 break;
6101 case 4:
6102 *max_lanes = 4;
6103 *max_rate_per_lane = 8;
6104 break;
6105 case 5:
6106 *max_lanes = 4;
6107 *max_rate_per_lane = 10;
6108 break;
6109 case 6:
6110 *max_lanes = 4;
6111 *max_rate_per_lane = 12;
6112 break;
6113 case 0:
6114 default:
6115 *max_lanes = 0;
6116 *max_rate_per_lane = 0;
6117 }
6118}
6119
6120static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
6121 const u8 *db)
6122{
6123 u8 dc_mask;
6124 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
6125
6126 dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
6127 hdmi->y420_dc_modes = dc_mask;
6128}
6129
6130static void drm_parse_dsc_info(struct drm_hdmi_dsc_cap *hdmi_dsc,
6131 const u8 *hf_scds)
6132{
6133 hdmi_dsc->v_1p2 = hf_scds[11] & DRM_EDID_DSC_1P2;
6134
6135 if (!hdmi_dsc->v_1p2)
6136 return;
6137
6138 hdmi_dsc->native_420 = hf_scds[11] & DRM_EDID_DSC_NATIVE_420;
6139 hdmi_dsc->all_bpp = hf_scds[11] & DRM_EDID_DSC_ALL_BPP;
6140
6141 if (hf_scds[11] & DRM_EDID_DSC_16BPC)
6142 hdmi_dsc->bpc_supported = 16;
6143 else if (hf_scds[11] & DRM_EDID_DSC_12BPC)
6144 hdmi_dsc->bpc_supported = 12;
6145 else if (hf_scds[11] & DRM_EDID_DSC_10BPC)
6146 hdmi_dsc->bpc_supported = 10;
6147 else
6148 /* Supports min 8 BPC if DSC 1.2 is supported*/
6149 hdmi_dsc->bpc_supported = 8;
6150
6151 if (cea_db_payload_len(hf_scds) >= 12 && hf_scds[12]) {
6152 u8 dsc_max_slices;
6153 u8 dsc_max_frl_rate;
6154
6155 dsc_max_frl_rate = (hf_scds[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
6156 drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
6157 &hdmi_dsc->max_frl_rate_per_lane);
6158
6159 dsc_max_slices = hf_scds[12] & DRM_EDID_DSC_MAX_SLICES;
6160
6161 switch (dsc_max_slices) {
6162 case 1:
6163 hdmi_dsc->max_slices = 1;
6164 hdmi_dsc->clk_per_slice = 340;
6165 break;
6166 case 2:
6167 hdmi_dsc->max_slices = 2;
6168 hdmi_dsc->clk_per_slice = 340;
6169 break;
6170 case 3:
6171 hdmi_dsc->max_slices = 4;
6172 hdmi_dsc->clk_per_slice = 340;
6173 break;
6174 case 4:
6175 hdmi_dsc->max_slices = 8;
6176 hdmi_dsc->clk_per_slice = 340;
6177 break;
6178 case 5:
6179 hdmi_dsc->max_slices = 8;
6180 hdmi_dsc->clk_per_slice = 400;
6181 break;
6182 case 6:
6183 hdmi_dsc->max_slices = 12;
6184 hdmi_dsc->clk_per_slice = 400;
6185 break;
6186 case 7:
6187 hdmi_dsc->max_slices = 16;
6188 hdmi_dsc->clk_per_slice = 400;
6189 break;
6190 case 0:
6191 default:
6192 hdmi_dsc->max_slices = 0;
6193 hdmi_dsc->clk_per_slice = 0;
6194 }
6195 }
6196
6197 if (cea_db_payload_len(hf_scds) >= 13 && hf_scds[13])
6198 hdmi_dsc->total_chunk_kbytes = hf_scds[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
6199}
6200
6201/* Sink Capability Data Structure */
6202static void drm_parse_hdmi_forum_scds(struct drm_connector *connector,
6203 const u8 *hf_scds)
6204{
6205 struct drm_display_info *info = &connector->display_info;
6206 struct drm_hdmi_info *hdmi = &info->hdmi;
6207 struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
6208 int max_tmds_clock = 0;
6209 u8 max_frl_rate = 0;
6210 bool dsc_support = false;
6211
6212 info->has_hdmi_infoframe = true;
6213
6214 if (hf_scds[6] & 0x80) {
6215 hdmi->scdc.supported = true;
6216 if (hf_scds[6] & 0x40)
6217 hdmi->scdc.read_request = true;
6218 }
6219
6220 /*
6221 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
6222 * And as per the spec, three factors confirm this:
6223 * * Availability of a HF-VSDB block in EDID (check)
6224 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
6225 * * SCDC support available (let's check)
6226 * Lets check it out.
6227 */
6228
6229 if (hf_scds[5]) {
6230 struct drm_scdc *scdc = &hdmi->scdc;
6231
6232 /* max clock is 5000 KHz times block value */
6233 max_tmds_clock = hf_scds[5] * 5000;
6234
6235 if (max_tmds_clock > 340000) {
6236 info->max_tmds_clock = max_tmds_clock;
6237 }
6238
6239 if (scdc->supported) {
6240 scdc->scrambling.supported = true;
6241
6242 /* Few sinks support scrambling for clocks < 340M */
6243 if ((hf_scds[6] & 0x8))
6244 scdc->scrambling.low_rates = true;
6245 }
6246 }
6247
6248 if (hf_scds[7]) {
6249 max_frl_rate = (hf_scds[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
6250 drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
6251 &hdmi->max_frl_rate_per_lane);
6252 }
6253
6254 drm_parse_ycbcr420_deep_color_info(connector, hf_scds);
6255
6256 if (cea_db_payload_len(hf_scds) >= 11 && hf_scds[11]) {
6257 drm_parse_dsc_info(hdmi_dsc, hf_scds);
6258 dsc_support = true;
6259 }
6260
6261 drm_dbg_kms(connector->dev,
6262 "[CONNECTOR:%d:%s] HF-VSDB: max TMDS clock: %d KHz, HDMI 2.1 support: %s, DSC 1.2 support: %s\n",
6263 connector->base.id, connector->name,
6264 max_tmds_clock, str_yes_no(max_frl_rate), str_yes_no(dsc_support));
6265}
6266
6267static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
6268 const u8 *hdmi)
6269{
6270 struct drm_display_info *info = &connector->display_info;
6271 unsigned int dc_bpc = 0;
6272
6273 /* HDMI supports at least 8 bpc */
6274 info->bpc = 8;
6275
6276 if (cea_db_payload_len(hdmi) < 6)
6277 return;
6278
6279 if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
6280 dc_bpc = 10;
6281 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_30;
6282 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 30.\n",
6283 connector->base.id, connector->name);
6284 }
6285
6286 if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
6287 dc_bpc = 12;
6288 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_36;
6289 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 36.\n",
6290 connector->base.id, connector->name);
6291 }
6292
6293 if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
6294 dc_bpc = 16;
6295 info->edid_hdmi_rgb444_dc_modes |= DRM_EDID_HDMI_DC_48;
6296 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does deep color 48.\n",
6297 connector->base.id, connector->name);
6298 }
6299
6300 if (dc_bpc == 0) {
6301 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] No deep color support on this HDMI sink.\n",
6302 connector->base.id, connector->name);
6303 return;
6304 }
6305
6306 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Assigning HDMI sink color depth as %d bpc.\n",
6307 connector->base.id, connector->name, dc_bpc);
6308 info->bpc = dc_bpc;
6309
6310 /* YCRCB444 is optional according to spec. */
6311 if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
6312 info->edid_hdmi_ycbcr444_dc_modes = info->edid_hdmi_rgb444_dc_modes;
6313 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink does YCRCB444 in deep color.\n",
6314 connector->base.id, connector->name);
6315 }
6316
6317 /*
6318 * Spec says that if any deep color mode is supported at all,
6319 * then deep color 36 bit must be supported.
6320 */
6321 if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
6322 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI sink should do DC_36, but does not!\n",
6323 connector->base.id, connector->name);
6324 }
6325}
6326
6327/* HDMI Vendor-Specific Data Block (HDMI VSDB, H14b-VSDB) */
6328static void
6329drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
6330{
6331 struct drm_display_info *info = &connector->display_info;
6332 u8 len = cea_db_payload_len(db);
6333
6334 info->is_hdmi = true;
6335
6336 info->source_physical_address = (db[4] << 8) | db[5];
6337
6338 if (len >= 6)
6339 info->dvi_dual = db[6] & 1;
6340 if (len >= 7)
6341 info->max_tmds_clock = db[7] * 5000;
6342
6343 /*
6344 * Try to infer whether the sink supports HDMI infoframes.
6345 *
6346 * HDMI infoframe support was first added in HDMI 1.4. Assume the sink
6347 * supports infoframes if HDMI_Video_present is set.
6348 */
6349 if (len >= 8 && db[8] & BIT(5))
6350 info->has_hdmi_infoframe = true;
6351
6352 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] HDMI: DVI dual %d, max TMDS clock %d kHz\n",
6353 connector->base.id, connector->name,
6354 info->dvi_dual, info->max_tmds_clock);
6355
6356 drm_parse_hdmi_deep_color_info(connector, db);
6357}
6358
6359/*
6360 * See EDID extension for head-mounted and specialized monitors, specified at:
6361 * https://docs.microsoft.com/en-us/windows-hardware/drivers/display/specialized-monitors-edid-extension
6362 */
6363static void drm_parse_microsoft_vsdb(struct drm_connector *connector,
6364 const u8 *db)
6365{
6366 struct drm_display_info *info = &connector->display_info;
6367 u8 version = db[4];
6368 bool desktop_usage = db[5] & BIT(6);
6369
6370 /* Version 1 and 2 for HMDs, version 3 flags desktop usage explicitly */
6371 if (version == 1 || version == 2 || (version == 3 && !desktop_usage))
6372 info->non_desktop = true;
6373
6374 drm_dbg_kms(connector->dev,
6375 "[CONNECTOR:%d:%s] HMD or specialized display VSDB version %u: 0x%02x\n",
6376 connector->base.id, connector->name, version, db[5]);
6377}
6378
6379static void drm_parse_cea_ext(struct drm_connector *connector,
6380 const struct drm_edid *drm_edid)
6381{
6382 struct drm_display_info *info = &connector->display_info;
6383 struct drm_edid_iter edid_iter;
6384 const struct cea_db *db;
6385 struct cea_db_iter iter;
6386 const u8 *edid_ext;
6387 u64 y420cmdb_map = 0;
6388
6389 drm_edid_iter_begin(drm_edid, &edid_iter);
6390 drm_edid_iter_for_each(edid_ext, &edid_iter) {
6391 if (edid_ext[0] != CEA_EXT)
6392 continue;
6393
6394 if (!info->cea_rev)
6395 info->cea_rev = edid_ext[1];
6396
6397 if (info->cea_rev != edid_ext[1])
6398 drm_dbg_kms(connector->dev,
6399 "[CONNECTOR:%d:%s] CEA extension version mismatch %u != %u\n",
6400 connector->base.id, connector->name,
6401 info->cea_rev, edid_ext[1]);
6402
6403 /* The existence of a CTA extension should imply RGB support */
6404 info->color_formats = DRM_COLOR_FORMAT_RGB444;
6405 if (edid_ext[3] & EDID_CEA_YCRCB444)
6406 info->color_formats |= DRM_COLOR_FORMAT_YCBCR444;
6407 if (edid_ext[3] & EDID_CEA_YCRCB422)
6408 info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
6409 if (edid_ext[3] & EDID_BASIC_AUDIO)
6410 info->has_audio = true;
6411
6412 }
6413 drm_edid_iter_end(&edid_iter);
6414
6415 cea_db_iter_edid_begin(drm_edid, &iter);
6416 cea_db_iter_for_each(db, &iter) {
6417 /* FIXME: convert parsers to use struct cea_db */
6418 const u8 *data = (const u8 *)db;
6419
6420 if (cea_db_is_hdmi_vsdb(db))
6421 drm_parse_hdmi_vsdb_video(connector, data);
6422 else if (cea_db_is_hdmi_forum_vsdb(db) ||
6423 cea_db_is_hdmi_forum_scdb(db))
6424 drm_parse_hdmi_forum_scds(connector, data);
6425 else if (cea_db_is_microsoft_vsdb(db))
6426 drm_parse_microsoft_vsdb(connector, data);
6427 else if (cea_db_is_y420cmdb(db))
6428 parse_cta_y420cmdb(connector, db, &y420cmdb_map);
6429 else if (cea_db_is_y420vdb(db))
6430 parse_cta_y420vdb(connector, db);
6431 else if (cea_db_is_vcdb(db))
6432 drm_parse_vcdb(connector, data);
6433 else if (cea_db_is_hdmi_hdr_metadata_block(db))
6434 drm_parse_hdr_metadata_block(connector, data);
6435 else if (cea_db_tag(db) == CTA_DB_VIDEO)
6436 parse_cta_vdb(connector, db);
6437 else if (cea_db_tag(db) == CTA_DB_AUDIO)
6438 info->has_audio = true;
6439 }
6440 cea_db_iter_end(&iter);
6441
6442 if (y420cmdb_map)
6443 update_cta_y420cmdb(connector, y420cmdb_map);
6444}
6445
6446static
6447void get_monitor_range(const struct detailed_timing *timing, void *c)
6448{
6449 struct detailed_mode_closure *closure = c;
6450 struct drm_display_info *info = &closure->connector->display_info;
6451 struct drm_monitor_range_info *monitor_range = &info->monitor_range;
6452 const struct detailed_non_pixel *data = &timing->data.other_data;
6453 const struct detailed_data_monitor_range *range = &data->data.range;
6454 const struct edid *edid = closure->drm_edid->edid;
6455
6456 if (!is_display_descriptor(timing, EDID_DETAIL_MONITOR_RANGE))
6457 return;
6458
6459 /*
6460 * These limits are used to determine the VRR refresh
6461 * rate range. Only the "range limits only" variant
6462 * of the range descriptor seems to guarantee that
6463 * any and all timings are accepted by the sink, as
6464 * opposed to just timings conforming to the indicated
6465 * formula (GTF/GTF2/CVT). Thus other variants of the
6466 * range descriptor are not accepted here.
6467 */
6468 if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
6469 return;
6470
6471 monitor_range->min_vfreq = range->min_vfreq;
6472 monitor_range->max_vfreq = range->max_vfreq;
6473
6474 if (edid->revision >= 4) {
6475 if (data->pad2 & DRM_EDID_RANGE_OFFSET_MIN_VFREQ)
6476 monitor_range->min_vfreq += 255;
6477 if (data->pad2 & DRM_EDID_RANGE_OFFSET_MAX_VFREQ)
6478 monitor_range->max_vfreq += 255;
6479 }
6480}
6481
6482static void drm_get_monitor_range(struct drm_connector *connector,
6483 const struct drm_edid *drm_edid)
6484{
6485 const struct drm_display_info *info = &connector->display_info;
6486 struct detailed_mode_closure closure = {
6487 .connector = connector,
6488 .drm_edid = drm_edid,
6489 };
6490
6491 if (drm_edid->edid->revision < 4)
6492 return;
6493
6494 if (!(drm_edid->edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ))
6495 return;
6496
6497 drm_for_each_detailed_block(drm_edid, get_monitor_range, &closure);
6498
6499 drm_dbg_kms(connector->dev,
6500 "[CONNECTOR:%d:%s] Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
6501 connector->base.id, connector->name,
6502 info->monitor_range.min_vfreq, info->monitor_range.max_vfreq);
6503}
6504
6505static void drm_parse_vesa_mso_data(struct drm_connector *connector,
6506 const struct displayid_block *block)
6507{
6508 struct displayid_vesa_vendor_specific_block *vesa =
6509 (struct displayid_vesa_vendor_specific_block *)block;
6510 struct drm_display_info *info = &connector->display_info;
6511
6512 if (block->num_bytes < 3) {
6513 drm_dbg_kms(connector->dev,
6514 "[CONNECTOR:%d:%s] Unexpected vendor block size %u\n",
6515 connector->base.id, connector->name, block->num_bytes);
6516 return;
6517 }
6518
6519 if (oui(vesa->oui[0], vesa->oui[1], vesa->oui[2]) != VESA_IEEE_OUI)
6520 return;
6521
6522 if (sizeof(*vesa) != sizeof(*block) + block->num_bytes) {
6523 drm_dbg_kms(connector->dev,
6524 "[CONNECTOR:%d:%s] Unexpected VESA vendor block size\n",
6525 connector->base.id, connector->name);
6526 return;
6527 }
6528
6529 switch (FIELD_GET(DISPLAYID_VESA_MSO_MODE, vesa->mso)) {
6530 default:
6531 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Reserved MSO mode value\n",
6532 connector->base.id, connector->name);
6533 fallthrough;
6534 case 0:
6535 info->mso_stream_count = 0;
6536 break;
6537 case 1:
6538 info->mso_stream_count = 2; /* 2 or 4 links */
6539 break;
6540 case 2:
6541 info->mso_stream_count = 4; /* 4 links */
6542 break;
6543 }
6544
6545 if (!info->mso_stream_count) {
6546 info->mso_pixel_overlap = 0;
6547 return;
6548 }
6549
6550 info->mso_pixel_overlap = FIELD_GET(DISPLAYID_VESA_MSO_OVERLAP, vesa->mso);
6551 if (info->mso_pixel_overlap > 8) {
6552 drm_dbg_kms(connector->dev,
6553 "[CONNECTOR:%d:%s] Reserved MSO pixel overlap value %u\n",
6554 connector->base.id, connector->name,
6555 info->mso_pixel_overlap);
6556 info->mso_pixel_overlap = 8;
6557 }
6558
6559 drm_dbg_kms(connector->dev,
6560 "[CONNECTOR:%d:%s] MSO stream count %u, pixel overlap %u\n",
6561 connector->base.id, connector->name,
6562 info->mso_stream_count, info->mso_pixel_overlap);
6563}
6564
6565static void drm_update_mso(struct drm_connector *connector,
6566 const struct drm_edid *drm_edid)
6567{
6568 const struct displayid_block *block;
6569 struct displayid_iter iter;
6570
6571 displayid_iter_edid_begin(drm_edid, &iter);
6572 displayid_iter_for_each(block, &iter) {
6573 if (block->tag == DATA_BLOCK_2_VENDOR_SPECIFIC)
6574 drm_parse_vesa_mso_data(connector, block);
6575 }
6576 displayid_iter_end(&iter);
6577}
6578
6579/* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
6580 * all of the values which would have been set from EDID
6581 */
6582static void drm_reset_display_info(struct drm_connector *connector)
6583{
6584 struct drm_display_info *info = &connector->display_info;
6585
6586 info->width_mm = 0;
6587 info->height_mm = 0;
6588
6589 info->bpc = 0;
6590 info->color_formats = 0;
6591 info->cea_rev = 0;
6592 info->max_tmds_clock = 0;
6593 info->dvi_dual = false;
6594 info->is_hdmi = false;
6595 info->has_audio = false;
6596 info->has_hdmi_infoframe = false;
6597 info->rgb_quant_range_selectable = false;
6598 memset(&info->hdmi, 0, sizeof(info->hdmi));
6599
6600 info->edid_hdmi_rgb444_dc_modes = 0;
6601 info->edid_hdmi_ycbcr444_dc_modes = 0;
6602
6603 info->non_desktop = 0;
6604 memset(&info->monitor_range, 0, sizeof(info->monitor_range));
6605 memset(&info->luminance_range, 0, sizeof(info->luminance_range));
6606
6607 info->mso_stream_count = 0;
6608 info->mso_pixel_overlap = 0;
6609 info->max_dsc_bpp = 0;
6610
6611 kfree(info->vics);
6612 info->vics = NULL;
6613 info->vics_len = 0;
6614
6615 info->quirks = 0;
6616
6617 info->source_physical_address = CEC_PHYS_ADDR_INVALID;
6618}
6619
6620static void update_displayid_info(struct drm_connector *connector,
6621 const struct drm_edid *drm_edid)
6622{
6623 struct drm_display_info *info = &connector->display_info;
6624 const struct displayid_block *block;
6625 struct displayid_iter iter;
6626
6627 displayid_iter_edid_begin(drm_edid, &iter);
6628 displayid_iter_for_each(block, &iter) {
6629 drm_dbg_kms(connector->dev,
6630 "[CONNECTOR:%d:%s] DisplayID extension version 0x%02x, primary use 0x%02x\n",
6631 connector->base.id, connector->name,
6632 displayid_version(&iter),
6633 displayid_primary_use(&iter));
6634 if (displayid_version(&iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
6635 (displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_VR ||
6636 displayid_primary_use(&iter) == PRIMARY_USE_HEAD_MOUNTED_AR))
6637 info->non_desktop = true;
6638
6639 /*
6640 * We're only interested in the base section here, no need to
6641 * iterate further.
6642 */
6643 break;
6644 }
6645 displayid_iter_end(&iter);
6646}
6647
6648static void update_display_info(struct drm_connector *connector,
6649 const struct drm_edid *drm_edid)
6650{
6651 struct drm_display_info *info = &connector->display_info;
6652 const struct edid *edid;
6653
6654 drm_reset_display_info(connector);
6655 clear_eld(connector);
6656
6657 if (!drm_edid)
6658 return;
6659
6660 edid = drm_edid->edid;
6661
6662 info->quirks = edid_get_quirks(drm_edid);
6663
6664 info->width_mm = edid->width_cm * 10;
6665 info->height_mm = edid->height_cm * 10;
6666
6667 drm_get_monitor_range(connector, drm_edid);
6668
6669 if (edid->revision < 3)
6670 goto out;
6671
6672 if (!drm_edid_is_digital(drm_edid))
6673 goto out;
6674
6675 info->color_formats |= DRM_COLOR_FORMAT_RGB444;
6676 drm_parse_cea_ext(connector, drm_edid);
6677
6678 update_displayid_info(connector, drm_edid);
6679
6680 /*
6681 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
6682 *
6683 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
6684 * tells us to assume 8 bpc color depth if the EDID doesn't have
6685 * extensions which tell otherwise.
6686 */
6687 if (info->bpc == 0 && edid->revision == 3 &&
6688 edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
6689 info->bpc = 8;
6690 drm_dbg_kms(connector->dev,
6691 "[CONNECTOR:%d:%s] Assigning DFP sink color depth as %d bpc.\n",
6692 connector->base.id, connector->name, info->bpc);
6693 }
6694
6695 /* Only defined for 1.4 with digital displays */
6696 if (edid->revision < 4)
6697 goto out;
6698
6699 switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
6700 case DRM_EDID_DIGITAL_DEPTH_6:
6701 info->bpc = 6;
6702 break;
6703 case DRM_EDID_DIGITAL_DEPTH_8:
6704 info->bpc = 8;
6705 break;
6706 case DRM_EDID_DIGITAL_DEPTH_10:
6707 info->bpc = 10;
6708 break;
6709 case DRM_EDID_DIGITAL_DEPTH_12:
6710 info->bpc = 12;
6711 break;
6712 case DRM_EDID_DIGITAL_DEPTH_14:
6713 info->bpc = 14;
6714 break;
6715 case DRM_EDID_DIGITAL_DEPTH_16:
6716 info->bpc = 16;
6717 break;
6718 case DRM_EDID_DIGITAL_DEPTH_UNDEF:
6719 default:
6720 info->bpc = 0;
6721 break;
6722 }
6723
6724 drm_dbg_kms(connector->dev,
6725 "[CONNECTOR:%d:%s] Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
6726 connector->base.id, connector->name, info->bpc);
6727
6728 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
6729 info->color_formats |= DRM_COLOR_FORMAT_YCBCR444;
6730 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
6731 info->color_formats |= DRM_COLOR_FORMAT_YCBCR422;
6732
6733 drm_update_mso(connector, drm_edid);
6734
6735out:
6736 if (info->quirks & EDID_QUIRK_NON_DESKTOP) {
6737 drm_dbg_kms(connector->dev, "[CONNECTOR:%d:%s] Non-desktop display%s\n",
6738 connector->base.id, connector->name,
6739 info->non_desktop ? " (redundant quirk)" : "");
6740 info->non_desktop = true;
6741 }
6742
6743 if (info->quirks & EDID_QUIRK_CAP_DSC_15BPP)
6744 info->max_dsc_bpp = 15;
6745
6746 if (info->quirks & EDID_QUIRK_FORCE_6BPC)
6747 info->bpc = 6;
6748
6749 if (info->quirks & EDID_QUIRK_FORCE_8BPC)
6750 info->bpc = 8;
6751
6752 if (info->quirks & EDID_QUIRK_FORCE_10BPC)
6753 info->bpc = 10;
6754
6755 if (info->quirks & EDID_QUIRK_FORCE_12BPC)
6756 info->bpc = 12;
6757
6758 /* Depends on info->cea_rev set by drm_parse_cea_ext() above */
6759 drm_edid_to_eld(connector, drm_edid);
6760}
6761
6762static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
6763 struct displayid_detailed_timings_1 *timings,
6764 bool type_7)
6765{
6766 struct drm_display_mode *mode;
6767 unsigned pixel_clock = (timings->pixel_clock[0] |
6768 (timings->pixel_clock[1] << 8) |
6769 (timings->pixel_clock[2] << 16)) + 1;
6770 unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
6771 unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
6772 unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
6773 unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
6774 unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
6775 unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
6776 unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
6777 unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
6778 bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
6779 bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
6780
6781 mode = drm_mode_create(dev);
6782 if (!mode)
6783 return NULL;
6784
6785 /* resolution is kHz for type VII, and 10 kHz for type I */
6786 mode->clock = type_7 ? pixel_clock : pixel_clock * 10;
6787 mode->hdisplay = hactive;
6788 mode->hsync_start = mode->hdisplay + hsync;
6789 mode->hsync_end = mode->hsync_start + hsync_width;
6790 mode->htotal = mode->hdisplay + hblank;
6791
6792 mode->vdisplay = vactive;
6793 mode->vsync_start = mode->vdisplay + vsync;
6794 mode->vsync_end = mode->vsync_start + vsync_width;
6795 mode->vtotal = mode->vdisplay + vblank;
6796
6797 mode->flags = 0;
6798 mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
6799 mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
6800 mode->type = DRM_MODE_TYPE_DRIVER;
6801
6802 if (timings->flags & 0x80)
6803 mode->type |= DRM_MODE_TYPE_PREFERRED;
6804 drm_mode_set_name(mode);
6805
6806 return mode;
6807}
6808
6809static int add_displayid_detailed_1_modes(struct drm_connector *connector,
6810 const struct displayid_block *block)
6811{
6812 struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
6813 int i;
6814 int num_timings;
6815 struct drm_display_mode *newmode;
6816 int num_modes = 0;
6817 bool type_7 = block->tag == DATA_BLOCK_2_TYPE_7_DETAILED_TIMING;
6818 /* blocks must be multiple of 20 bytes length */
6819 if (block->num_bytes % 20)
6820 return 0;
6821
6822 num_timings = block->num_bytes / 20;
6823 for (i = 0; i < num_timings; i++) {
6824 struct displayid_detailed_timings_1 *timings = &det->timings[i];
6825
6826 newmode = drm_mode_displayid_detailed(connector->dev, timings, type_7);
6827 if (!newmode)
6828 continue;
6829
6830 drm_mode_probed_add(connector, newmode);
6831 num_modes++;
6832 }
6833 return num_modes;
6834}
6835
6836static int add_displayid_detailed_modes(struct drm_connector *connector,
6837 const struct drm_edid *drm_edid)
6838{
6839 const struct displayid_block *block;
6840 struct displayid_iter iter;
6841 int num_modes = 0;
6842
6843 displayid_iter_edid_begin(drm_edid, &iter);
6844 displayid_iter_for_each(block, &iter) {
6845 if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING ||
6846 block->tag == DATA_BLOCK_2_TYPE_7_DETAILED_TIMING)
6847 num_modes += add_displayid_detailed_1_modes(connector, block);
6848 }
6849 displayid_iter_end(&iter);
6850
6851 return num_modes;
6852}
6853
6854static int _drm_edid_connector_add_modes(struct drm_connector *connector,
6855 const struct drm_edid *drm_edid)
6856{
6857 const struct drm_display_info *info = &connector->display_info;
6858 int num_modes = 0;
6859
6860 if (!drm_edid)
6861 return 0;
6862
6863 /*
6864 * EDID spec says modes should be preferred in this order:
6865 * - preferred detailed mode
6866 * - other detailed modes from base block
6867 * - detailed modes from extension blocks
6868 * - CVT 3-byte code modes
6869 * - standard timing codes
6870 * - established timing codes
6871 * - modes inferred from GTF or CVT range information
6872 *
6873 * We get this pretty much right.
6874 *
6875 * XXX order for additional mode types in extension blocks?
6876 */
6877 num_modes += add_detailed_modes(connector, drm_edid);
6878 num_modes += add_cvt_modes(connector, drm_edid);
6879 num_modes += add_standard_modes(connector, drm_edid);
6880 num_modes += add_established_modes(connector, drm_edid);
6881 num_modes += add_cea_modes(connector, drm_edid);
6882 num_modes += add_alternate_cea_modes(connector, drm_edid);
6883 num_modes += add_displayid_detailed_modes(connector, drm_edid);
6884 if (drm_edid->edid->features & DRM_EDID_FEATURE_CONTINUOUS_FREQ)
6885 num_modes += add_inferred_modes(connector, drm_edid);
6886
6887 if (info->quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
6888 edid_fixup_preferred(connector);
6889
6890 return num_modes;
6891}
6892
6893static void _drm_update_tile_info(struct drm_connector *connector,
6894 const struct drm_edid *drm_edid);
6895
6896static int _drm_edid_connector_property_update(struct drm_connector *connector,
6897 const struct drm_edid *drm_edid)
6898{
6899 struct drm_device *dev = connector->dev;
6900 int ret;
6901
6902 if (connector->edid_blob_ptr) {
6903 const void *old_edid = connector->edid_blob_ptr->data;
6904 size_t old_edid_size = connector->edid_blob_ptr->length;
6905
6906 if (old_edid && !drm_edid_eq(drm_edid, old_edid, old_edid_size)) {
6907 connector->epoch_counter++;
6908 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] EDID changed, epoch counter %llu\n",
6909 connector->base.id, connector->name,
6910 connector->epoch_counter);
6911 }
6912 }
6913
6914 ret = drm_property_replace_global_blob(dev,
6915 &connector->edid_blob_ptr,
6916 drm_edid ? drm_edid->size : 0,
6917 drm_edid ? drm_edid->edid : NULL,
6918 &connector->base,
6919 dev->mode_config.edid_property);
6920 if (ret) {
6921 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] EDID property update failed (%d)\n",
6922 connector->base.id, connector->name, ret);
6923 goto out;
6924 }
6925
6926 ret = drm_object_property_set_value(&connector->base,
6927 dev->mode_config.non_desktop_property,
6928 connector->display_info.non_desktop);
6929 if (ret) {
6930 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Non-desktop property update failed (%d)\n",
6931 connector->base.id, connector->name, ret);
6932 goto out;
6933 }
6934
6935 ret = drm_connector_set_tile_property(connector);
6936 if (ret) {
6937 drm_dbg_kms(dev, "[CONNECTOR:%d:%s] Tile property update failed (%d)\n",
6938 connector->base.id, connector->name, ret);
6939 goto out;
6940 }
6941
6942out:
6943 return ret;
6944}
6945
6946/* For sysfs edid show implementation */
6947ssize_t drm_edid_connector_property_show(struct drm_connector *connector,
6948 char *buf, loff_t off, size_t count)
6949{
6950 const void *edid;
6951 size_t size;
6952 ssize_t ret = 0;
6953
6954 mutex_lock(&connector->dev->mode_config.mutex);
6955
6956 if (!connector->edid_blob_ptr)
6957 goto unlock;
6958
6959 edid = connector->edid_blob_ptr->data;
6960 size = connector->edid_blob_ptr->length;
6961 if (!edid)
6962 goto unlock;
6963
6964 if (off >= size)
6965 goto unlock;
6966
6967 if (off + count > size)
6968 count = size - off;
6969
6970 memcpy(buf, edid + off, count);
6971
6972 ret = count;
6973unlock:
6974 mutex_unlock(&connector->dev->mode_config.mutex);
6975
6976 return ret;
6977}
6978
6979/**
6980 * drm_edid_connector_update - Update connector information from EDID
6981 * @connector: Connector
6982 * @drm_edid: EDID
6983 *
6984 * Update the connector display info, ELD, HDR metadata, relevant properties,
6985 * etc. from the passed in EDID.
6986 *
6987 * If EDID is NULL, reset the information.
6988 *
6989 * Must be called before calling drm_edid_connector_add_modes().
6990 *
6991 * Return: 0 on success, negative error on errors.
6992 */
6993int drm_edid_connector_update(struct drm_connector *connector,
6994 const struct drm_edid *drm_edid)
6995{
6996 update_display_info(connector, drm_edid);
6997
6998 _drm_update_tile_info(connector, drm_edid);
6999
7000 return _drm_edid_connector_property_update(connector, drm_edid);
7001}
7002EXPORT_SYMBOL(drm_edid_connector_update);
7003
7004/**
7005 * drm_edid_connector_add_modes - Update probed modes from the EDID property
7006 * @connector: Connector
7007 *
7008 * Add the modes from the previously updated EDID property to the connector
7009 * probed modes list.
7010 *
7011 * drm_edid_connector_update() must have been called before this to update the
7012 * EDID property.
7013 *
7014 * Return: The number of modes added, or 0 if we couldn't find any.
7015 */
7016int drm_edid_connector_add_modes(struct drm_connector *connector)
7017{
7018 const struct drm_edid *drm_edid = NULL;
7019 int count;
7020
7021 if (connector->edid_blob_ptr)
7022 drm_edid = drm_edid_alloc(connector->edid_blob_ptr->data,
7023 connector->edid_blob_ptr->length);
7024
7025 count = _drm_edid_connector_add_modes(connector, drm_edid);
7026
7027 drm_edid_free(drm_edid);
7028
7029 return count;
7030}
7031EXPORT_SYMBOL(drm_edid_connector_add_modes);
7032
7033/**
7034 * drm_connector_update_edid_property - update the edid property of a connector
7035 * @connector: drm connector
7036 * @edid: new value of the edid property
7037 *
7038 * This function creates a new blob modeset object and assigns its id to the
7039 * connector's edid property.
7040 * Since we also parse tile information from EDID's displayID block, we also
7041 * set the connector's tile property here. See drm_connector_set_tile_property()
7042 * for more details.
7043 *
7044 * This function is deprecated. Use drm_edid_connector_update() instead.
7045 *
7046 * Returns:
7047 * Zero on success, negative errno on failure.
7048 */
7049int drm_connector_update_edid_property(struct drm_connector *connector,
7050 const struct edid *edid)
7051{
7052 struct drm_edid drm_edid;
7053
7054 return drm_edid_connector_update(connector, drm_edid_legacy_init(&drm_edid, edid));
7055}
7056EXPORT_SYMBOL(drm_connector_update_edid_property);
7057
7058/**
7059 * drm_add_edid_modes - add modes from EDID data, if available
7060 * @connector: connector we're probing
7061 * @edid: EDID data
7062 *
7063 * Add the specified modes to the connector's mode list. Also fills out the
7064 * &drm_display_info structure and ELD in @connector with any information which
7065 * can be derived from the edid.
7066 *
7067 * This function is deprecated. Use drm_edid_connector_add_modes() instead.
7068 *
7069 * Return: The number of modes added or 0 if we couldn't find any.
7070 */
7071int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
7072{
7073 struct drm_edid _drm_edid;
7074 const struct drm_edid *drm_edid;
7075
7076 if (edid && !drm_edid_is_valid(edid)) {
7077 drm_warn(connector->dev, "[CONNECTOR:%d:%s] EDID invalid.\n",
7078 connector->base.id, connector->name);
7079 edid = NULL;
7080 }
7081
7082 drm_edid = drm_edid_legacy_init(&_drm_edid, edid);
7083
7084 update_display_info(connector, drm_edid);
7085
7086 return _drm_edid_connector_add_modes(connector, drm_edid);
7087}
7088EXPORT_SYMBOL(drm_add_edid_modes);
7089
7090/**
7091 * drm_add_modes_noedid - add modes for the connectors without EDID
7092 * @connector: connector we're probing
7093 * @hdisplay: the horizontal display limit
7094 * @vdisplay: the vertical display limit
7095 *
7096 * Add the specified modes to the connector's mode list. Only when the
7097 * hdisplay/vdisplay is not beyond the given limit, it will be added.
7098 *
7099 * Return: The number of modes added or 0 if we couldn't find any.
7100 */
7101int drm_add_modes_noedid(struct drm_connector *connector,
7102 int hdisplay, int vdisplay)
7103{
7104 int i, count, num_modes = 0;
7105 struct drm_display_mode *mode;
7106 struct drm_device *dev = connector->dev;
7107
7108 count = ARRAY_SIZE(drm_dmt_modes);
7109 if (hdisplay < 0)
7110 hdisplay = 0;
7111 if (vdisplay < 0)
7112 vdisplay = 0;
7113
7114 for (i = 0; i < count; i++) {
7115 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
7116
7117 if (hdisplay && vdisplay) {
7118 /*
7119 * Only when two are valid, they will be used to check
7120 * whether the mode should be added to the mode list of
7121 * the connector.
7122 */
7123 if (ptr->hdisplay > hdisplay ||
7124 ptr->vdisplay > vdisplay)
7125 continue;
7126 }
7127 if (drm_mode_vrefresh(ptr) > 61)
7128 continue;
7129 mode = drm_mode_duplicate(dev, ptr);
7130 if (mode) {
7131 drm_mode_probed_add(connector, mode);
7132 num_modes++;
7133 }
7134 }
7135 return num_modes;
7136}
7137EXPORT_SYMBOL(drm_add_modes_noedid);
7138
7139static bool is_hdmi2_sink(const struct drm_connector *connector)
7140{
7141 /*
7142 * FIXME: sil-sii8620 doesn't have a connector around when
7143 * we need one, so we have to be prepared for a NULL connector.
7144 */
7145 if (!connector)
7146 return true;
7147
7148 return connector->display_info.hdmi.scdc.supported ||
7149 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCBCR420;
7150}
7151
7152static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
7153 const struct drm_display_mode *mode)
7154{
7155 bool has_hdmi_infoframe = connector ?
7156 connector->display_info.has_hdmi_infoframe : false;
7157
7158 if (!has_hdmi_infoframe)
7159 return 0;
7160
7161 /* No HDMI VIC when signalling 3D video format */
7162 if (mode->flags & DRM_MODE_FLAG_3D_MASK)
7163 return 0;
7164
7165 return drm_match_hdmi_mode(mode);
7166}
7167
7168static u8 drm_mode_cea_vic(const struct drm_connector *connector,
7169 const struct drm_display_mode *mode)
7170{
7171 /*
7172 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
7173 * we should send its VIC in vendor infoframes, else send the
7174 * VIC in AVI infoframes. Lets check if this mode is present in
7175 * HDMI 1.4b 4K modes
7176 */
7177 if (drm_mode_hdmi_vic(connector, mode))
7178 return 0;
7179
7180 return drm_match_cea_mode(mode);
7181}
7182
7183/*
7184 * Avoid sending VICs defined in HDMI 2.0 in AVI infoframes to sinks that
7185 * conform to HDMI 1.4.
7186 *
7187 * HDMI 1.4 (CTA-861-D) VIC range: [1..64]
7188 * HDMI 2.0 (CTA-861-F) VIC range: [1..107]
7189 *
7190 * If the sink lists the VIC in CTA VDB, assume it's fine, regardless of HDMI
7191 * version.
7192 */
7193static u8 vic_for_avi_infoframe(const struct drm_connector *connector, u8 vic)
7194{
7195 if (!is_hdmi2_sink(connector) && vic > 64 &&
7196 !cta_vdb_has_vic(connector, vic))
7197 return 0;
7198
7199 return vic;
7200}
7201
7202/**
7203 * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
7204 * data from a DRM display mode
7205 * @frame: HDMI AVI infoframe
7206 * @connector: the connector
7207 * @mode: DRM display mode
7208 *
7209 * Return: 0 on success or a negative error code on failure.
7210 */
7211int
7212drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
7213 const struct drm_connector *connector,
7214 const struct drm_display_mode *mode)
7215{
7216 enum hdmi_picture_aspect picture_aspect;
7217 u8 vic, hdmi_vic;
7218
7219 if (!frame || !mode)
7220 return -EINVAL;
7221
7222 hdmi_avi_infoframe_init(frame);
7223
7224 if (mode->flags & DRM_MODE_FLAG_DBLCLK)
7225 frame->pixel_repeat = 1;
7226
7227 vic = drm_mode_cea_vic(connector, mode);
7228 hdmi_vic = drm_mode_hdmi_vic(connector, mode);
7229
7230 frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
7231
7232 /*
7233 * As some drivers don't support atomic, we can't use connector state.
7234 * So just initialize the frame with default values, just the same way
7235 * as it's done with other properties here.
7236 */
7237 frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
7238 frame->itc = 0;
7239
7240 /*
7241 * Populate picture aspect ratio from either
7242 * user input (if specified) or from the CEA/HDMI mode lists.
7243 */
7244 picture_aspect = mode->picture_aspect_ratio;
7245 if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
7246 if (vic)
7247 picture_aspect = drm_get_cea_aspect_ratio(vic);
7248 else if (hdmi_vic)
7249 picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
7250 }
7251
7252 /*
7253 * The infoframe can't convey anything but none, 4:3
7254 * and 16:9, so if the user has asked for anything else
7255 * we can only satisfy it by specifying the right VIC.
7256 */
7257 if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
7258 if (vic) {
7259 if (picture_aspect != drm_get_cea_aspect_ratio(vic))
7260 return -EINVAL;
7261 } else if (hdmi_vic) {
7262 if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
7263 return -EINVAL;
7264 } else {
7265 return -EINVAL;
7266 }
7267
7268 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
7269 }
7270
7271 frame->video_code = vic_for_avi_infoframe(connector, vic);
7272 frame->picture_aspect = picture_aspect;
7273 frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
7274 frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
7275
7276 return 0;
7277}
7278EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
7279
7280/**
7281 * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
7282 * quantization range information
7283 * @frame: HDMI AVI infoframe
7284 * @connector: the connector
7285 * @mode: DRM display mode
7286 * @rgb_quant_range: RGB quantization range (Q)
7287 */
7288void
7289drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
7290 const struct drm_connector *connector,
7291 const struct drm_display_mode *mode,
7292 enum hdmi_quantization_range rgb_quant_range)
7293{
7294 const struct drm_display_info *info = &connector->display_info;
7295
7296 /*
7297 * CEA-861:
7298 * "A Source shall not send a non-zero Q value that does not correspond
7299 * to the default RGB Quantization Range for the transmitted Picture
7300 * unless the Sink indicates support for the Q bit in a Video
7301 * Capabilities Data Block."
7302 *
7303 * HDMI 2.0 recommends sending non-zero Q when it does match the
7304 * default RGB quantization range for the mode, even when QS=0.
7305 */
7306 if (info->rgb_quant_range_selectable ||
7307 rgb_quant_range == drm_default_rgb_quant_range(mode))
7308 frame->quantization_range = rgb_quant_range;
7309 else
7310 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
7311
7312 /*
7313 * CEA-861-F:
7314 * "When transmitting any RGB colorimetry, the Source should set the
7315 * YQ-field to match the RGB Quantization Range being transmitted
7316 * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
7317 * set YQ=1) and the Sink shall ignore the YQ-field."
7318 *
7319 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
7320 * by non-zero YQ when receiving RGB. There doesn't seem to be any
7321 * good way to tell which version of CEA-861 the sink supports, so
7322 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
7323 * on CEA-861-F.
7324 */
7325 if (!is_hdmi2_sink(connector) ||
7326 rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
7327 frame->ycc_quantization_range =
7328 HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
7329 else
7330 frame->ycc_quantization_range =
7331 HDMI_YCC_QUANTIZATION_RANGE_FULL;
7332}
7333EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
7334
7335static enum hdmi_3d_structure
7336s3d_structure_from_display_mode(const struct drm_display_mode *mode)
7337{
7338 u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
7339
7340 switch (layout) {
7341 case DRM_MODE_FLAG_3D_FRAME_PACKING:
7342 return HDMI_3D_STRUCTURE_FRAME_PACKING;
7343 case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
7344 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
7345 case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
7346 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
7347 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
7348 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
7349 case DRM_MODE_FLAG_3D_L_DEPTH:
7350 return HDMI_3D_STRUCTURE_L_DEPTH;
7351 case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
7352 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
7353 case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
7354 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
7355 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
7356 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
7357 default:
7358 return HDMI_3D_STRUCTURE_INVALID;
7359 }
7360}
7361
7362/**
7363 * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
7364 * data from a DRM display mode
7365 * @frame: HDMI vendor infoframe
7366 * @connector: the connector
7367 * @mode: DRM display mode
7368 *
7369 * Note that there's is a need to send HDMI vendor infoframes only when using a
7370 * 4k or stereoscopic 3D mode. So when giving any other mode as input this
7371 * function will return -EINVAL, error that can be safely ignored.
7372 *
7373 * Return: 0 on success or a negative error code on failure.
7374 */
7375int
7376drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
7377 const struct drm_connector *connector,
7378 const struct drm_display_mode *mode)
7379{
7380 /*
7381 * FIXME: sil-sii8620 doesn't have a connector around when
7382 * we need one, so we have to be prepared for a NULL connector.
7383 */
7384 bool has_hdmi_infoframe = connector ?
7385 connector->display_info.has_hdmi_infoframe : false;
7386 int err;
7387
7388 if (!frame || !mode)
7389 return -EINVAL;
7390
7391 if (!has_hdmi_infoframe)
7392 return -EINVAL;
7393
7394 err = hdmi_vendor_infoframe_init(frame);
7395 if (err < 0)
7396 return err;
7397
7398 /*
7399 * Even if it's not absolutely necessary to send the infoframe
7400 * (ie.vic==0 and s3d_struct==0) we will still send it if we
7401 * know that the sink can handle it. This is based on a
7402 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
7403 * have trouble realizing that they should switch from 3D to 2D
7404 * mode if the source simply stops sending the infoframe when
7405 * it wants to switch from 3D to 2D.
7406 */
7407 frame->vic = drm_mode_hdmi_vic(connector, mode);
7408 frame->s3d_struct = s3d_structure_from_display_mode(mode);
7409
7410 return 0;
7411}
7412EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
7413
7414static void drm_parse_tiled_block(struct drm_connector *connector,
7415 const struct displayid_block *block)
7416{
7417 const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
7418 u16 w, h;
7419 u8 tile_v_loc, tile_h_loc;
7420 u8 num_v_tile, num_h_tile;
7421 struct drm_tile_group *tg;
7422
7423 w = tile->tile_size[0] | tile->tile_size[1] << 8;
7424 h = tile->tile_size[2] | tile->tile_size[3] << 8;
7425
7426 num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
7427 num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
7428 tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
7429 tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
7430
7431 connector->has_tile = true;
7432 if (tile->tile_cap & 0x80)
7433 connector->tile_is_single_monitor = true;
7434
7435 connector->num_h_tile = num_h_tile + 1;
7436 connector->num_v_tile = num_v_tile + 1;
7437 connector->tile_h_loc = tile_h_loc;
7438 connector->tile_v_loc = tile_v_loc;
7439 connector->tile_h_size = w + 1;
7440 connector->tile_v_size = h + 1;
7441
7442 drm_dbg_kms(connector->dev,
7443 "[CONNECTOR:%d:%s] tile cap 0x%x, size %dx%d, num tiles %dx%d, location %dx%d, vend %c%c%c",
7444 connector->base.id, connector->name,
7445 tile->tile_cap,
7446 connector->tile_h_size, connector->tile_v_size,
7447 connector->num_h_tile, connector->num_v_tile,
7448 connector->tile_h_loc, connector->tile_v_loc,
7449 tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
7450
7451 tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
7452 if (!tg)
7453 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
7454 if (!tg)
7455 return;
7456
7457 if (connector->tile_group != tg) {
7458 /* if we haven't got a pointer,
7459 take the reference, drop ref to old tile group */
7460 if (connector->tile_group)
7461 drm_mode_put_tile_group(connector->dev, connector->tile_group);
7462 connector->tile_group = tg;
7463 } else {
7464 /* if same tile group, then release the ref we just took. */
7465 drm_mode_put_tile_group(connector->dev, tg);
7466 }
7467}
7468
7469static bool displayid_is_tiled_block(const struct displayid_iter *iter,
7470 const struct displayid_block *block)
7471{
7472 return (displayid_version(iter) < DISPLAY_ID_STRUCTURE_VER_20 &&
7473 block->tag == DATA_BLOCK_TILED_DISPLAY) ||
7474 (displayid_version(iter) == DISPLAY_ID_STRUCTURE_VER_20 &&
7475 block->tag == DATA_BLOCK_2_TILED_DISPLAY_TOPOLOGY);
7476}
7477
7478static void _drm_update_tile_info(struct drm_connector *connector,
7479 const struct drm_edid *drm_edid)
7480{
7481 const struct displayid_block *block;
7482 struct displayid_iter iter;
7483
7484 connector->has_tile = false;
7485
7486 displayid_iter_edid_begin(drm_edid, &iter);
7487 displayid_iter_for_each(block, &iter) {
7488 if (displayid_is_tiled_block(&iter, block))
7489 drm_parse_tiled_block(connector, block);
7490 }
7491 displayid_iter_end(&iter);
7492
7493 if (!connector->has_tile && connector->tile_group) {
7494 drm_mode_put_tile_group(connector->dev, connector->tile_group);
7495 connector->tile_group = NULL;
7496 }
7497}
7498
7499/**
7500 * drm_edid_is_digital - is digital?
7501 * @drm_edid: The EDID
7502 *
7503 * Return true if input is digital.
7504 */
7505bool drm_edid_is_digital(const struct drm_edid *drm_edid)
7506{
7507 return drm_edid && drm_edid->edid &&
7508 drm_edid->edid->input & DRM_EDID_INPUT_DIGITAL;
7509}
7510EXPORT_SYMBOL(drm_edid_is_digital);
1/*
2 * Copyright (c) 2006 Luc Verhaegen (quirks list)
3 * Copyright (c) 2007-2008 Intel Corporation
4 * Jesse Barnes <jesse.barnes@intel.com>
5 * Copyright 2010 Red Hat, Inc.
6 *
7 * DDC probing routines (drm_ddc_read & drm_do_probe_ddc_edid) originally from
8 * FB layer.
9 * Copyright (C) 2006 Dennis Munsie <dmunsie@cecropia.com>
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sub license,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice (including the
19 * next paragraph) shall be included in all copies or substantial portions
20 * of the Software.
21 *
22 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
23 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
24 * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
25 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
26 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
27 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
28 * DEALINGS IN THE SOFTWARE.
29 */
30
31#include <linux/hdmi.h>
32#include <linux/i2c.h>
33#include <linux/kernel.h>
34#include <linux/module.h>
35#include <linux/pci.h>
36#include <linux/slab.h>
37#include <linux/vga_switcheroo.h>
38
39#include <drm/drm_displayid.h>
40#include <drm/drm_drv.h>
41#include <drm/drm_edid.h>
42#include <drm/drm_encoder.h>
43#include <drm/drm_print.h>
44#include <drm/drm_scdc_helper.h>
45
46#include "drm_crtc_internal.h"
47
48#define version_greater(edid, maj, min) \
49 (((edid)->version > (maj)) || \
50 ((edid)->version == (maj) && (edid)->revision > (min)))
51
52#define EDID_EST_TIMINGS 16
53#define EDID_STD_TIMINGS 8
54#define EDID_DETAILED_TIMINGS 4
55
56/*
57 * EDID blocks out in the wild have a variety of bugs, try to collect
58 * them here (note that userspace may work around broken monitors first,
59 * but fixes should make their way here so that the kernel "just works"
60 * on as many displays as possible).
61 */
62
63/* First detailed mode wrong, use largest 60Hz mode */
64#define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
65/* Reported 135MHz pixel clock is too high, needs adjustment */
66#define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
67/* Prefer the largest mode at 75 Hz */
68#define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
69/* Detail timing is in cm not mm */
70#define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
71/* Detailed timing descriptors have bogus size values, so just take the
72 * maximum size and use that.
73 */
74#define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
75/* use +hsync +vsync for detailed mode */
76#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
77/* Force reduced-blanking timings for detailed modes */
78#define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
79/* Force 8bpc */
80#define EDID_QUIRK_FORCE_8BPC (1 << 8)
81/* Force 12bpc */
82#define EDID_QUIRK_FORCE_12BPC (1 << 9)
83/* Force 6bpc */
84#define EDID_QUIRK_FORCE_6BPC (1 << 10)
85/* Force 10bpc */
86#define EDID_QUIRK_FORCE_10BPC (1 << 11)
87/* Non desktop display (i.e. HMD) */
88#define EDID_QUIRK_NON_DESKTOP (1 << 12)
89
90struct detailed_mode_closure {
91 struct drm_connector *connector;
92 struct edid *edid;
93 bool preferred;
94 u32 quirks;
95 int modes;
96};
97
98#define LEVEL_DMT 0
99#define LEVEL_GTF 1
100#define LEVEL_GTF2 2
101#define LEVEL_CVT 3
102
103static const struct edid_quirk {
104 char vendor[4];
105 int product_id;
106 u32 quirks;
107} edid_quirk_list[] = {
108 /* Acer AL1706 */
109 { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
110 /* Acer F51 */
111 { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
112
113 /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
114 { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
115
116 /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
117 { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
118
119 /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
120 { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
121
122 /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
123 { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
124
125 /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
126 { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
127
128 /* Belinea 10 15 55 */
129 { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
130 { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
131
132 /* Envision Peripherals, Inc. EN-7100e */
133 { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
134 /* Envision EN2028 */
135 { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
136
137 /* Funai Electronics PM36B */
138 { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
139 EDID_QUIRK_DETAILED_IN_CM },
140
141 /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
142 { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
143
144 /* LG Philips LCD LP154W01-A5 */
145 { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146 { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
147
148 /* Samsung SyncMaster 205BW. Note: irony */
149 { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
150 /* Samsung SyncMaster 22[5-6]BW */
151 { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
152 { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
153
154 /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
155 { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
156
157 /* ViewSonic VA2026w */
158 { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
159
160 /* Medion MD 30217 PG */
161 { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
162
163 /* Lenovo G50 */
164 { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
165
166 /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
167 { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
168
169 /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
170 { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
171
172 /* Valve Index Headset */
173 { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
174 { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
175 { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
176 { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
177 { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
178 { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
179 { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
180 { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
181 { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
182 { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
183 { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
184 { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
185 { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
186 { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
187 { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
188 { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
189 { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
190
191 /* HTC Vive and Vive Pro VR Headsets */
192 { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
193 { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
194
195 /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
196 { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
197 { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
198 { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
199 { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
200
201 /* Windows Mixed Reality Headsets */
202 { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
203 { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
204 { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
205 { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
206 { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
207 { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
208 { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
209 { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
210
211 /* Sony PlayStation VR Headset */
212 { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
213
214 /* Sensics VR Headsets */
215 { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
216
217 /* OSVR HDK and HDK2 VR Headsets */
218 { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
219};
220
221/*
222 * Autogenerated from the DMT spec.
223 * This table is copied from xfree86/modes/xf86EdidModes.c.
224 */
225static const struct drm_display_mode drm_dmt_modes[] = {
226 /* 0x01 - 640x350@85Hz */
227 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
228 736, 832, 0, 350, 382, 385, 445, 0,
229 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
230 /* 0x02 - 640x400@85Hz */
231 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
232 736, 832, 0, 400, 401, 404, 445, 0,
233 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
234 /* 0x03 - 720x400@85Hz */
235 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
236 828, 936, 0, 400, 401, 404, 446, 0,
237 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
238 /* 0x04 - 640x480@60Hz */
239 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
240 752, 800, 0, 480, 490, 492, 525, 0,
241 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
242 /* 0x05 - 640x480@72Hz */
243 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
244 704, 832, 0, 480, 489, 492, 520, 0,
245 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
246 /* 0x06 - 640x480@75Hz */
247 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
248 720, 840, 0, 480, 481, 484, 500, 0,
249 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
250 /* 0x07 - 640x480@85Hz */
251 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
252 752, 832, 0, 480, 481, 484, 509, 0,
253 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
254 /* 0x08 - 800x600@56Hz */
255 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
256 896, 1024, 0, 600, 601, 603, 625, 0,
257 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
258 /* 0x09 - 800x600@60Hz */
259 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
260 968, 1056, 0, 600, 601, 605, 628, 0,
261 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
262 /* 0x0a - 800x600@72Hz */
263 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
264 976, 1040, 0, 600, 637, 643, 666, 0,
265 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
266 /* 0x0b - 800x600@75Hz */
267 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
268 896, 1056, 0, 600, 601, 604, 625, 0,
269 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
270 /* 0x0c - 800x600@85Hz */
271 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
272 896, 1048, 0, 600, 601, 604, 631, 0,
273 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
274 /* 0x0d - 800x600@120Hz RB */
275 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
276 880, 960, 0, 600, 603, 607, 636, 0,
277 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
278 /* 0x0e - 848x480@60Hz */
279 { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
280 976, 1088, 0, 480, 486, 494, 517, 0,
281 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
282 /* 0x0f - 1024x768@43Hz, interlace */
283 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
284 1208, 1264, 0, 768, 768, 776, 817, 0,
285 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
286 DRM_MODE_FLAG_INTERLACE) },
287 /* 0x10 - 1024x768@60Hz */
288 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
289 1184, 1344, 0, 768, 771, 777, 806, 0,
290 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
291 /* 0x11 - 1024x768@70Hz */
292 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
293 1184, 1328, 0, 768, 771, 777, 806, 0,
294 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
295 /* 0x12 - 1024x768@75Hz */
296 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
297 1136, 1312, 0, 768, 769, 772, 800, 0,
298 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
299 /* 0x13 - 1024x768@85Hz */
300 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
301 1168, 1376, 0, 768, 769, 772, 808, 0,
302 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
303 /* 0x14 - 1024x768@120Hz RB */
304 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
305 1104, 1184, 0, 768, 771, 775, 813, 0,
306 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
307 /* 0x15 - 1152x864@75Hz */
308 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
309 1344, 1600, 0, 864, 865, 868, 900, 0,
310 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
311 /* 0x55 - 1280x720@60Hz */
312 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
313 1430, 1650, 0, 720, 725, 730, 750, 0,
314 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
315 /* 0x16 - 1280x768@60Hz RB */
316 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
317 1360, 1440, 0, 768, 771, 778, 790, 0,
318 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
319 /* 0x17 - 1280x768@60Hz */
320 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
321 1472, 1664, 0, 768, 771, 778, 798, 0,
322 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
323 /* 0x18 - 1280x768@75Hz */
324 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
325 1488, 1696, 0, 768, 771, 778, 805, 0,
326 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
327 /* 0x19 - 1280x768@85Hz */
328 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
329 1496, 1712, 0, 768, 771, 778, 809, 0,
330 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
331 /* 0x1a - 1280x768@120Hz RB */
332 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
333 1360, 1440, 0, 768, 771, 778, 813, 0,
334 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
335 /* 0x1b - 1280x800@60Hz RB */
336 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
337 1360, 1440, 0, 800, 803, 809, 823, 0,
338 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
339 /* 0x1c - 1280x800@60Hz */
340 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
341 1480, 1680, 0, 800, 803, 809, 831, 0,
342 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
343 /* 0x1d - 1280x800@75Hz */
344 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
345 1488, 1696, 0, 800, 803, 809, 838, 0,
346 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
347 /* 0x1e - 1280x800@85Hz */
348 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
349 1496, 1712, 0, 800, 803, 809, 843, 0,
350 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
351 /* 0x1f - 1280x800@120Hz RB */
352 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
353 1360, 1440, 0, 800, 803, 809, 847, 0,
354 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
355 /* 0x20 - 1280x960@60Hz */
356 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
357 1488, 1800, 0, 960, 961, 964, 1000, 0,
358 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
359 /* 0x21 - 1280x960@85Hz */
360 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
361 1504, 1728, 0, 960, 961, 964, 1011, 0,
362 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
363 /* 0x22 - 1280x960@120Hz RB */
364 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
365 1360, 1440, 0, 960, 963, 967, 1017, 0,
366 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
367 /* 0x23 - 1280x1024@60Hz */
368 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
369 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
370 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
371 /* 0x24 - 1280x1024@75Hz */
372 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
373 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
374 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
375 /* 0x25 - 1280x1024@85Hz */
376 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
377 1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
378 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
379 /* 0x26 - 1280x1024@120Hz RB */
380 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
381 1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
382 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
383 /* 0x27 - 1360x768@60Hz */
384 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
385 1536, 1792, 0, 768, 771, 777, 795, 0,
386 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
387 /* 0x28 - 1360x768@120Hz RB */
388 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
389 1440, 1520, 0, 768, 771, 776, 813, 0,
390 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
391 /* 0x51 - 1366x768@60Hz */
392 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
393 1579, 1792, 0, 768, 771, 774, 798, 0,
394 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
395 /* 0x56 - 1366x768@60Hz */
396 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
397 1436, 1500, 0, 768, 769, 772, 800, 0,
398 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
399 /* 0x29 - 1400x1050@60Hz RB */
400 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
401 1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
402 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
403 /* 0x2a - 1400x1050@60Hz */
404 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
405 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
406 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
407 /* 0x2b - 1400x1050@75Hz */
408 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
409 1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
410 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
411 /* 0x2c - 1400x1050@85Hz */
412 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
413 1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
414 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
415 /* 0x2d - 1400x1050@120Hz RB */
416 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
417 1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
418 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
419 /* 0x2e - 1440x900@60Hz RB */
420 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
421 1520, 1600, 0, 900, 903, 909, 926, 0,
422 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
423 /* 0x2f - 1440x900@60Hz */
424 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
425 1672, 1904, 0, 900, 903, 909, 934, 0,
426 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
427 /* 0x30 - 1440x900@75Hz */
428 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
429 1688, 1936, 0, 900, 903, 909, 942, 0,
430 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
431 /* 0x31 - 1440x900@85Hz */
432 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
433 1696, 1952, 0, 900, 903, 909, 948, 0,
434 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
435 /* 0x32 - 1440x900@120Hz RB */
436 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
437 1520, 1600, 0, 900, 903, 909, 953, 0,
438 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
439 /* 0x53 - 1600x900@60Hz */
440 { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
441 1704, 1800, 0, 900, 901, 904, 1000, 0,
442 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
443 /* 0x33 - 1600x1200@60Hz */
444 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
445 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
446 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
447 /* 0x34 - 1600x1200@65Hz */
448 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
449 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
450 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
451 /* 0x35 - 1600x1200@70Hz */
452 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
453 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
454 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
455 /* 0x36 - 1600x1200@75Hz */
456 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
457 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
458 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
459 /* 0x37 - 1600x1200@85Hz */
460 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
461 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
462 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
463 /* 0x38 - 1600x1200@120Hz RB */
464 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
465 1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
466 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
467 /* 0x39 - 1680x1050@60Hz RB */
468 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
469 1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
470 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
471 /* 0x3a - 1680x1050@60Hz */
472 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
473 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
474 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
475 /* 0x3b - 1680x1050@75Hz */
476 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
477 1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
478 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
479 /* 0x3c - 1680x1050@85Hz */
480 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
481 1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
482 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
483 /* 0x3d - 1680x1050@120Hz RB */
484 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
485 1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
486 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
487 /* 0x3e - 1792x1344@60Hz */
488 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
489 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
490 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
491 /* 0x3f - 1792x1344@75Hz */
492 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
493 2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
494 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
495 /* 0x40 - 1792x1344@120Hz RB */
496 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
497 1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
498 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
499 /* 0x41 - 1856x1392@60Hz */
500 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
501 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
502 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
503 /* 0x42 - 1856x1392@75Hz */
504 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
505 2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
506 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
507 /* 0x43 - 1856x1392@120Hz RB */
508 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
509 1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
510 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
511 /* 0x52 - 1920x1080@60Hz */
512 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
513 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
514 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
515 /* 0x44 - 1920x1200@60Hz RB */
516 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
517 2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
518 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
519 /* 0x45 - 1920x1200@60Hz */
520 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
521 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
522 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
523 /* 0x46 - 1920x1200@75Hz */
524 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
525 2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
526 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
527 /* 0x47 - 1920x1200@85Hz */
528 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
529 2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
530 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
531 /* 0x48 - 1920x1200@120Hz RB */
532 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
533 2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
534 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
535 /* 0x49 - 1920x1440@60Hz */
536 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
537 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
538 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
539 /* 0x4a - 1920x1440@75Hz */
540 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
541 2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
542 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
543 /* 0x4b - 1920x1440@120Hz RB */
544 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
545 2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
546 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
547 /* 0x54 - 2048x1152@60Hz */
548 { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
549 2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
550 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
551 /* 0x4c - 2560x1600@60Hz RB */
552 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
553 2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
554 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
555 /* 0x4d - 2560x1600@60Hz */
556 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
557 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
558 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
559 /* 0x4e - 2560x1600@75Hz */
560 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
561 3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
562 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
563 /* 0x4f - 2560x1600@85Hz */
564 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
565 3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
566 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
567 /* 0x50 - 2560x1600@120Hz RB */
568 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
569 2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
570 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
571 /* 0x57 - 4096x2160@60Hz RB */
572 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
573 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
574 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
575 /* 0x58 - 4096x2160@59.94Hz RB */
576 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
577 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
578 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
579};
580
581/*
582 * These more or less come from the DMT spec. The 720x400 modes are
583 * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75
584 * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode
585 * should be 1152x870, again for the Mac, but instead we use the x864 DMT
586 * mode.
587 *
588 * The DMT modes have been fact-checked; the rest are mild guesses.
589 */
590static const struct drm_display_mode edid_est_modes[] = {
591 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
592 968, 1056, 0, 600, 601, 605, 628, 0,
593 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
594 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
595 896, 1024, 0, 600, 601, 603, 625, 0,
596 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
597 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
598 720, 840, 0, 480, 481, 484, 500, 0,
599 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
600 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
601 704, 832, 0, 480, 489, 492, 520, 0,
602 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
603 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
604 768, 864, 0, 480, 483, 486, 525, 0,
605 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
606 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
607 752, 800, 0, 480, 490, 492, 525, 0,
608 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
609 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
610 846, 900, 0, 400, 421, 423, 449, 0,
611 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
612 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
613 846, 900, 0, 400, 412, 414, 449, 0,
614 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
615 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
616 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
617 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
618 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
619 1136, 1312, 0, 768, 769, 772, 800, 0,
620 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
621 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
622 1184, 1328, 0, 768, 771, 777, 806, 0,
623 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
624 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
625 1184, 1344, 0, 768, 771, 777, 806, 0,
626 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
627 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
628 1208, 1264, 0, 768, 768, 776, 817, 0,
629 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
630 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
631 928, 1152, 0, 624, 625, 628, 667, 0,
632 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
633 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
634 896, 1056, 0, 600, 601, 604, 625, 0,
635 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
636 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
637 976, 1040, 0, 600, 637, 643, 666, 0,
638 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
639 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
640 1344, 1600, 0, 864, 865, 868, 900, 0,
641 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
642};
643
644struct minimode {
645 short w;
646 short h;
647 short r;
648 short rb;
649};
650
651static const struct minimode est3_modes[] = {
652 /* byte 6 */
653 { 640, 350, 85, 0 },
654 { 640, 400, 85, 0 },
655 { 720, 400, 85, 0 },
656 { 640, 480, 85, 0 },
657 { 848, 480, 60, 0 },
658 { 800, 600, 85, 0 },
659 { 1024, 768, 85, 0 },
660 { 1152, 864, 75, 0 },
661 /* byte 7 */
662 { 1280, 768, 60, 1 },
663 { 1280, 768, 60, 0 },
664 { 1280, 768, 75, 0 },
665 { 1280, 768, 85, 0 },
666 { 1280, 960, 60, 0 },
667 { 1280, 960, 85, 0 },
668 { 1280, 1024, 60, 0 },
669 { 1280, 1024, 85, 0 },
670 /* byte 8 */
671 { 1360, 768, 60, 0 },
672 { 1440, 900, 60, 1 },
673 { 1440, 900, 60, 0 },
674 { 1440, 900, 75, 0 },
675 { 1440, 900, 85, 0 },
676 { 1400, 1050, 60, 1 },
677 { 1400, 1050, 60, 0 },
678 { 1400, 1050, 75, 0 },
679 /* byte 9 */
680 { 1400, 1050, 85, 0 },
681 { 1680, 1050, 60, 1 },
682 { 1680, 1050, 60, 0 },
683 { 1680, 1050, 75, 0 },
684 { 1680, 1050, 85, 0 },
685 { 1600, 1200, 60, 0 },
686 { 1600, 1200, 65, 0 },
687 { 1600, 1200, 70, 0 },
688 /* byte 10 */
689 { 1600, 1200, 75, 0 },
690 { 1600, 1200, 85, 0 },
691 { 1792, 1344, 60, 0 },
692 { 1792, 1344, 75, 0 },
693 { 1856, 1392, 60, 0 },
694 { 1856, 1392, 75, 0 },
695 { 1920, 1200, 60, 1 },
696 { 1920, 1200, 60, 0 },
697 /* byte 11 */
698 { 1920, 1200, 75, 0 },
699 { 1920, 1200, 85, 0 },
700 { 1920, 1440, 60, 0 },
701 { 1920, 1440, 75, 0 },
702};
703
704static const struct minimode extra_modes[] = {
705 { 1024, 576, 60, 0 },
706 { 1366, 768, 60, 0 },
707 { 1600, 900, 60, 0 },
708 { 1680, 945, 60, 0 },
709 { 1920, 1080, 60, 0 },
710 { 2048, 1152, 60, 0 },
711 { 2048, 1536, 60, 0 },
712};
713
714/*
715 * From CEA/CTA-861 spec.
716 *
717 * Do not access directly, instead always use cea_mode_for_vic().
718 */
719static const struct drm_display_mode edid_cea_modes_1[] = {
720 /* 1 - 640x480@60Hz 4:3 */
721 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
722 752, 800, 0, 480, 490, 492, 525, 0,
723 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
724 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
725 /* 2 - 720x480@60Hz 4:3 */
726 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
727 798, 858, 0, 480, 489, 495, 525, 0,
728 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
729 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
730 /* 3 - 720x480@60Hz 16:9 */
731 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
732 798, 858, 0, 480, 489, 495, 525, 0,
733 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
734 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
735 /* 4 - 1280x720@60Hz 16:9 */
736 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
737 1430, 1650, 0, 720, 725, 730, 750, 0,
738 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
739 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
740 /* 5 - 1920x1080i@60Hz 16:9 */
741 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
742 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
743 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
744 DRM_MODE_FLAG_INTERLACE),
745 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
746 /* 6 - 720(1440)x480i@60Hz 4:3 */
747 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
748 801, 858, 0, 480, 488, 494, 525, 0,
749 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
750 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
751 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
752 /* 7 - 720(1440)x480i@60Hz 16:9 */
753 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
754 801, 858, 0, 480, 488, 494, 525, 0,
755 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
756 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
757 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
758 /* 8 - 720(1440)x240@60Hz 4:3 */
759 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
760 801, 858, 0, 240, 244, 247, 262, 0,
761 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
762 DRM_MODE_FLAG_DBLCLK),
763 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
764 /* 9 - 720(1440)x240@60Hz 16:9 */
765 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
766 801, 858, 0, 240, 244, 247, 262, 0,
767 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
768 DRM_MODE_FLAG_DBLCLK),
769 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
770 /* 10 - 2880x480i@60Hz 4:3 */
771 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
772 3204, 3432, 0, 480, 488, 494, 525, 0,
773 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
774 DRM_MODE_FLAG_INTERLACE),
775 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
776 /* 11 - 2880x480i@60Hz 16:9 */
777 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
778 3204, 3432, 0, 480, 488, 494, 525, 0,
779 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
780 DRM_MODE_FLAG_INTERLACE),
781 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
782 /* 12 - 2880x240@60Hz 4:3 */
783 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
784 3204, 3432, 0, 240, 244, 247, 262, 0,
785 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
786 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
787 /* 13 - 2880x240@60Hz 16:9 */
788 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
789 3204, 3432, 0, 240, 244, 247, 262, 0,
790 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
791 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
792 /* 14 - 1440x480@60Hz 4:3 */
793 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
794 1596, 1716, 0, 480, 489, 495, 525, 0,
795 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
796 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
797 /* 15 - 1440x480@60Hz 16:9 */
798 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
799 1596, 1716, 0, 480, 489, 495, 525, 0,
800 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
801 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
802 /* 16 - 1920x1080@60Hz 16:9 */
803 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
804 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
805 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
806 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
807 /* 17 - 720x576@50Hz 4:3 */
808 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
809 796, 864, 0, 576, 581, 586, 625, 0,
810 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
811 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
812 /* 18 - 720x576@50Hz 16:9 */
813 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
814 796, 864, 0, 576, 581, 586, 625, 0,
815 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
816 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
817 /* 19 - 1280x720@50Hz 16:9 */
818 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
819 1760, 1980, 0, 720, 725, 730, 750, 0,
820 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
821 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
822 /* 20 - 1920x1080i@50Hz 16:9 */
823 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
824 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
825 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
826 DRM_MODE_FLAG_INTERLACE),
827 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
828 /* 21 - 720(1440)x576i@50Hz 4:3 */
829 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
830 795, 864, 0, 576, 580, 586, 625, 0,
831 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
832 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
833 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
834 /* 22 - 720(1440)x576i@50Hz 16:9 */
835 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
836 795, 864, 0, 576, 580, 586, 625, 0,
837 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
838 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
839 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
840 /* 23 - 720(1440)x288@50Hz 4:3 */
841 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
842 795, 864, 0, 288, 290, 293, 312, 0,
843 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
844 DRM_MODE_FLAG_DBLCLK),
845 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
846 /* 24 - 720(1440)x288@50Hz 16:9 */
847 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
848 795, 864, 0, 288, 290, 293, 312, 0,
849 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
850 DRM_MODE_FLAG_DBLCLK),
851 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
852 /* 25 - 2880x576i@50Hz 4:3 */
853 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
854 3180, 3456, 0, 576, 580, 586, 625, 0,
855 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
856 DRM_MODE_FLAG_INTERLACE),
857 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
858 /* 26 - 2880x576i@50Hz 16:9 */
859 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
860 3180, 3456, 0, 576, 580, 586, 625, 0,
861 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
862 DRM_MODE_FLAG_INTERLACE),
863 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
864 /* 27 - 2880x288@50Hz 4:3 */
865 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
866 3180, 3456, 0, 288, 290, 293, 312, 0,
867 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
868 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
869 /* 28 - 2880x288@50Hz 16:9 */
870 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
871 3180, 3456, 0, 288, 290, 293, 312, 0,
872 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
873 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
874 /* 29 - 1440x576@50Hz 4:3 */
875 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
876 1592, 1728, 0, 576, 581, 586, 625, 0,
877 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
878 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
879 /* 30 - 1440x576@50Hz 16:9 */
880 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
881 1592, 1728, 0, 576, 581, 586, 625, 0,
882 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
883 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
884 /* 31 - 1920x1080@50Hz 16:9 */
885 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
886 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
887 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
888 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
889 /* 32 - 1920x1080@24Hz 16:9 */
890 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
891 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
892 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
893 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
894 /* 33 - 1920x1080@25Hz 16:9 */
895 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
896 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
897 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
898 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
899 /* 34 - 1920x1080@30Hz 16:9 */
900 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
901 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
902 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
903 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
904 /* 35 - 2880x480@60Hz 4:3 */
905 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
906 3192, 3432, 0, 480, 489, 495, 525, 0,
907 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
908 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
909 /* 36 - 2880x480@60Hz 16:9 */
910 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
911 3192, 3432, 0, 480, 489, 495, 525, 0,
912 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
913 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
914 /* 37 - 2880x576@50Hz 4:3 */
915 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
916 3184, 3456, 0, 576, 581, 586, 625, 0,
917 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
918 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
919 /* 38 - 2880x576@50Hz 16:9 */
920 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
921 3184, 3456, 0, 576, 581, 586, 625, 0,
922 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
923 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
924 /* 39 - 1920x1080i@50Hz 16:9 */
925 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
926 2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
927 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
928 DRM_MODE_FLAG_INTERLACE),
929 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
930 /* 40 - 1920x1080i@100Hz 16:9 */
931 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
932 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
933 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
934 DRM_MODE_FLAG_INTERLACE),
935 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
936 /* 41 - 1280x720@100Hz 16:9 */
937 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
938 1760, 1980, 0, 720, 725, 730, 750, 0,
939 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
940 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
941 /* 42 - 720x576@100Hz 4:3 */
942 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
943 796, 864, 0, 576, 581, 586, 625, 0,
944 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
945 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
946 /* 43 - 720x576@100Hz 16:9 */
947 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
948 796, 864, 0, 576, 581, 586, 625, 0,
949 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
950 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
951 /* 44 - 720(1440)x576i@100Hz 4:3 */
952 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
953 795, 864, 0, 576, 580, 586, 625, 0,
954 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
955 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
956 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
957 /* 45 - 720(1440)x576i@100Hz 16:9 */
958 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
959 795, 864, 0, 576, 580, 586, 625, 0,
960 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
961 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
962 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
963 /* 46 - 1920x1080i@120Hz 16:9 */
964 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
965 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
966 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
967 DRM_MODE_FLAG_INTERLACE),
968 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
969 /* 47 - 1280x720@120Hz 16:9 */
970 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
971 1430, 1650, 0, 720, 725, 730, 750, 0,
972 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
973 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
974 /* 48 - 720x480@120Hz 4:3 */
975 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
976 798, 858, 0, 480, 489, 495, 525, 0,
977 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
978 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
979 /* 49 - 720x480@120Hz 16:9 */
980 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
981 798, 858, 0, 480, 489, 495, 525, 0,
982 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
983 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
984 /* 50 - 720(1440)x480i@120Hz 4:3 */
985 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
986 801, 858, 0, 480, 488, 494, 525, 0,
987 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
988 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
989 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
990 /* 51 - 720(1440)x480i@120Hz 16:9 */
991 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
992 801, 858, 0, 480, 488, 494, 525, 0,
993 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
994 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
995 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
996 /* 52 - 720x576@200Hz 4:3 */
997 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
998 796, 864, 0, 576, 581, 586, 625, 0,
999 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1000 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1001 /* 53 - 720x576@200Hz 16:9 */
1002 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1003 796, 864, 0, 576, 581, 586, 625, 0,
1004 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1005 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1006 /* 54 - 720(1440)x576i@200Hz 4:3 */
1007 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1008 795, 864, 0, 576, 580, 586, 625, 0,
1009 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1010 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1011 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1012 /* 55 - 720(1440)x576i@200Hz 16:9 */
1013 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1014 795, 864, 0, 576, 580, 586, 625, 0,
1015 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1016 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1017 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1018 /* 56 - 720x480@240Hz 4:3 */
1019 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1020 798, 858, 0, 480, 489, 495, 525, 0,
1021 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1022 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1023 /* 57 - 720x480@240Hz 16:9 */
1024 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1025 798, 858, 0, 480, 489, 495, 525, 0,
1026 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1027 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1028 /* 58 - 720(1440)x480i@240Hz 4:3 */
1029 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1030 801, 858, 0, 480, 488, 494, 525, 0,
1031 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1032 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1033 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1034 /* 59 - 720(1440)x480i@240Hz 16:9 */
1035 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1036 801, 858, 0, 480, 488, 494, 525, 0,
1037 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1038 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1039 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1040 /* 60 - 1280x720@24Hz 16:9 */
1041 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1042 3080, 3300, 0, 720, 725, 730, 750, 0,
1043 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1044 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1045 /* 61 - 1280x720@25Hz 16:9 */
1046 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1047 3740, 3960, 0, 720, 725, 730, 750, 0,
1048 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1049 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1050 /* 62 - 1280x720@30Hz 16:9 */
1051 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1052 3080, 3300, 0, 720, 725, 730, 750, 0,
1053 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1054 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1055 /* 63 - 1920x1080@120Hz 16:9 */
1056 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1057 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1058 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1059 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1060 /* 64 - 1920x1080@100Hz 16:9 */
1061 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1062 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1063 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1064 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1065 /* 65 - 1280x720@24Hz 64:27 */
1066 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1067 3080, 3300, 0, 720, 725, 730, 750, 0,
1068 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1069 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1070 /* 66 - 1280x720@25Hz 64:27 */
1071 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1072 3740, 3960, 0, 720, 725, 730, 750, 0,
1073 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1074 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1075 /* 67 - 1280x720@30Hz 64:27 */
1076 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1077 3080, 3300, 0, 720, 725, 730, 750, 0,
1078 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1079 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1080 /* 68 - 1280x720@50Hz 64:27 */
1081 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1082 1760, 1980, 0, 720, 725, 730, 750, 0,
1083 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1084 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1085 /* 69 - 1280x720@60Hz 64:27 */
1086 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1087 1430, 1650, 0, 720, 725, 730, 750, 0,
1088 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1089 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1090 /* 70 - 1280x720@100Hz 64:27 */
1091 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1092 1760, 1980, 0, 720, 725, 730, 750, 0,
1093 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1094 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1095 /* 71 - 1280x720@120Hz 64:27 */
1096 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1097 1430, 1650, 0, 720, 725, 730, 750, 0,
1098 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1099 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1100 /* 72 - 1920x1080@24Hz 64:27 */
1101 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1102 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1103 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1104 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1105 /* 73 - 1920x1080@25Hz 64:27 */
1106 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1107 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1108 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1109 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1110 /* 74 - 1920x1080@30Hz 64:27 */
1111 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1112 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1113 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1114 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1115 /* 75 - 1920x1080@50Hz 64:27 */
1116 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1117 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1118 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1119 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1120 /* 76 - 1920x1080@60Hz 64:27 */
1121 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1122 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1123 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1124 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1125 /* 77 - 1920x1080@100Hz 64:27 */
1126 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1127 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1128 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1129 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1130 /* 78 - 1920x1080@120Hz 64:27 */
1131 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1132 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1133 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1134 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1135 /* 79 - 1680x720@24Hz 64:27 */
1136 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1137 3080, 3300, 0, 720, 725, 730, 750, 0,
1138 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1139 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1140 /* 80 - 1680x720@25Hz 64:27 */
1141 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1142 2948, 3168, 0, 720, 725, 730, 750, 0,
1143 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1144 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1145 /* 81 - 1680x720@30Hz 64:27 */
1146 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1147 2420, 2640, 0, 720, 725, 730, 750, 0,
1148 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1149 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1150 /* 82 - 1680x720@50Hz 64:27 */
1151 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1152 1980, 2200, 0, 720, 725, 730, 750, 0,
1153 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1154 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1155 /* 83 - 1680x720@60Hz 64:27 */
1156 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1157 1980, 2200, 0, 720, 725, 730, 750, 0,
1158 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1159 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1160 /* 84 - 1680x720@100Hz 64:27 */
1161 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1162 1780, 2000, 0, 720, 725, 730, 825, 0,
1163 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1164 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1165 /* 85 - 1680x720@120Hz 64:27 */
1166 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1167 1780, 2000, 0, 720, 725, 730, 825, 0,
1168 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1169 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1170 /* 86 - 2560x1080@24Hz 64:27 */
1171 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1172 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1173 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1174 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1175 /* 87 - 2560x1080@25Hz 64:27 */
1176 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1177 3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1178 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1179 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1180 /* 88 - 2560x1080@30Hz 64:27 */
1181 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1182 3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1183 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1184 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1185 /* 89 - 2560x1080@50Hz 64:27 */
1186 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1187 3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1188 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1189 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1190 /* 90 - 2560x1080@60Hz 64:27 */
1191 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1192 2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1193 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1194 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1195 /* 91 - 2560x1080@100Hz 64:27 */
1196 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1197 2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1198 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1199 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1200 /* 92 - 2560x1080@120Hz 64:27 */
1201 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1202 3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1203 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1204 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1205 /* 93 - 3840x2160@24Hz 16:9 */
1206 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1207 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1208 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1209 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1210 /* 94 - 3840x2160@25Hz 16:9 */
1211 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1212 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1213 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1214 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1215 /* 95 - 3840x2160@30Hz 16:9 */
1216 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1217 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1218 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1219 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1220 /* 96 - 3840x2160@50Hz 16:9 */
1221 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1222 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1223 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1224 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1225 /* 97 - 3840x2160@60Hz 16:9 */
1226 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1227 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1228 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1229 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1230 /* 98 - 4096x2160@24Hz 256:135 */
1231 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1232 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1233 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1234 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1235 /* 99 - 4096x2160@25Hz 256:135 */
1236 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1237 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1238 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1239 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1240 /* 100 - 4096x2160@30Hz 256:135 */
1241 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1242 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1243 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1244 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1245 /* 101 - 4096x2160@50Hz 256:135 */
1246 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1247 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1248 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1249 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1250 /* 102 - 4096x2160@60Hz 256:135 */
1251 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1252 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1253 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1254 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1255 /* 103 - 3840x2160@24Hz 64:27 */
1256 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1257 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1258 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1259 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1260 /* 104 - 3840x2160@25Hz 64:27 */
1261 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1262 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1263 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1264 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1265 /* 105 - 3840x2160@30Hz 64:27 */
1266 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1267 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1268 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1269 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1270 /* 106 - 3840x2160@50Hz 64:27 */
1271 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1272 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1273 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1274 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1275 /* 107 - 3840x2160@60Hz 64:27 */
1276 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1277 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1278 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1279 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1280 /* 108 - 1280x720@48Hz 16:9 */
1281 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1282 2280, 2500, 0, 720, 725, 730, 750, 0,
1283 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1284 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1285 /* 109 - 1280x720@48Hz 64:27 */
1286 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1287 2280, 2500, 0, 720, 725, 730, 750, 0,
1288 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1289 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1290 /* 110 - 1680x720@48Hz 64:27 */
1291 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1292 2530, 2750, 0, 720, 725, 730, 750, 0,
1293 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1294 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1295 /* 111 - 1920x1080@48Hz 16:9 */
1296 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1297 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1298 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1299 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1300 /* 112 - 1920x1080@48Hz 64:27 */
1301 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1302 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1303 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1304 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1305 /* 113 - 2560x1080@48Hz 64:27 */
1306 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1307 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1308 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1309 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1310 /* 114 - 3840x2160@48Hz 16:9 */
1311 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1312 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1313 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1314 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1315 /* 115 - 4096x2160@48Hz 256:135 */
1316 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1317 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1318 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1319 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1320 /* 116 - 3840x2160@48Hz 64:27 */
1321 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1322 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1323 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1324 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1325 /* 117 - 3840x2160@100Hz 16:9 */
1326 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1327 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1328 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1329 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1330 /* 118 - 3840x2160@120Hz 16:9 */
1331 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1332 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1333 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1334 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1335 /* 119 - 3840x2160@100Hz 64:27 */
1336 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1337 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1338 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1339 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1340 /* 120 - 3840x2160@120Hz 64:27 */
1341 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1342 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1343 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1344 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1345 /* 121 - 5120x2160@24Hz 64:27 */
1346 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1347 7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1348 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1349 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1350 /* 122 - 5120x2160@25Hz 64:27 */
1351 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1352 6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1353 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1354 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1355 /* 123 - 5120x2160@30Hz 64:27 */
1356 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1357 5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1358 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1359 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1360 /* 124 - 5120x2160@48Hz 64:27 */
1361 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1362 5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1363 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1364 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1365 /* 125 - 5120x2160@50Hz 64:27 */
1366 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1367 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1368 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1369 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1370 /* 126 - 5120x2160@60Hz 64:27 */
1371 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1372 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1373 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1374 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1375 /* 127 - 5120x2160@100Hz 64:27 */
1376 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1377 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1378 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1379 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1380};
1381
1382/*
1383 * From CEA/CTA-861 spec.
1384 *
1385 * Do not access directly, instead always use cea_mode_for_vic().
1386 */
1387static const struct drm_display_mode edid_cea_modes_193[] = {
1388 /* 193 - 5120x2160@120Hz 64:27 */
1389 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1390 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1391 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1392 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1393 /* 194 - 7680x4320@24Hz 16:9 */
1394 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1395 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1396 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1397 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1398 /* 195 - 7680x4320@25Hz 16:9 */
1399 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1400 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1401 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1402 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1403 /* 196 - 7680x4320@30Hz 16:9 */
1404 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1405 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1406 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1407 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1408 /* 197 - 7680x4320@48Hz 16:9 */
1409 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1410 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1411 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1412 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1413 /* 198 - 7680x4320@50Hz 16:9 */
1414 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1415 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1416 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1417 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1418 /* 199 - 7680x4320@60Hz 16:9 */
1419 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1420 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1421 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1422 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1423 /* 200 - 7680x4320@100Hz 16:9 */
1424 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1425 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1426 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1427 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1428 /* 201 - 7680x4320@120Hz 16:9 */
1429 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1430 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1431 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1432 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1433 /* 202 - 7680x4320@24Hz 64:27 */
1434 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1435 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1436 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1437 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1438 /* 203 - 7680x4320@25Hz 64:27 */
1439 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1440 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1441 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1442 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1443 /* 204 - 7680x4320@30Hz 64:27 */
1444 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1445 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1446 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1447 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1448 /* 205 - 7680x4320@48Hz 64:27 */
1449 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1450 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1451 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1452 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1453 /* 206 - 7680x4320@50Hz 64:27 */
1454 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1455 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1456 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1457 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1458 /* 207 - 7680x4320@60Hz 64:27 */
1459 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1460 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1461 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1462 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1463 /* 208 - 7680x4320@100Hz 64:27 */
1464 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1465 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1466 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1467 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1468 /* 209 - 7680x4320@120Hz 64:27 */
1469 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1470 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1471 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1472 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1473 /* 210 - 10240x4320@24Hz 64:27 */
1474 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1475 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1476 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1477 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1478 /* 211 - 10240x4320@25Hz 64:27 */
1479 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1480 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1481 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1482 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1483 /* 212 - 10240x4320@30Hz 64:27 */
1484 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1485 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1486 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1487 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1488 /* 213 - 10240x4320@48Hz 64:27 */
1489 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1490 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1491 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1492 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1493 /* 214 - 10240x4320@50Hz 64:27 */
1494 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1495 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1496 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1497 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1498 /* 215 - 10240x4320@60Hz 64:27 */
1499 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1500 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1501 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1502 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1503 /* 216 - 10240x4320@100Hz 64:27 */
1504 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1505 12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1506 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1507 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1508 /* 217 - 10240x4320@120Hz 64:27 */
1509 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1510 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1511 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1512 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1513 /* 218 - 4096x2160@100Hz 256:135 */
1514 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1515 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1516 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1517 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1518 /* 219 - 4096x2160@120Hz 256:135 */
1519 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1520 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1521 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1522 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1523};
1524
1525/*
1526 * HDMI 1.4 4k modes. Index using the VIC.
1527 */
1528static const struct drm_display_mode edid_4k_modes[] = {
1529 /* 0 - dummy, VICs start at 1 */
1530 { },
1531 /* 1 - 3840x2160@30Hz */
1532 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1533 3840, 4016, 4104, 4400, 0,
1534 2160, 2168, 2178, 2250, 0,
1535 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1536 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1537 /* 2 - 3840x2160@25Hz */
1538 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1539 3840, 4896, 4984, 5280, 0,
1540 2160, 2168, 2178, 2250, 0,
1541 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1542 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1543 /* 3 - 3840x2160@24Hz */
1544 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1545 3840, 5116, 5204, 5500, 0,
1546 2160, 2168, 2178, 2250, 0,
1547 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1548 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1549 /* 4 - 4096x2160@24Hz (SMPTE) */
1550 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1551 4096, 5116, 5204, 5500, 0,
1552 2160, 2168, 2178, 2250, 0,
1553 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1554 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1555};
1556
1557/*** DDC fetch and block validation ***/
1558
1559static const u8 edid_header[] = {
1560 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1561};
1562
1563/**
1564 * drm_edid_header_is_valid - sanity check the header of the base EDID block
1565 * @raw_edid: pointer to raw base EDID block
1566 *
1567 * Sanity check the header of the base EDID block.
1568 *
1569 * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1570 */
1571int drm_edid_header_is_valid(const u8 *raw_edid)
1572{
1573 int i, score = 0;
1574
1575 for (i = 0; i < sizeof(edid_header); i++)
1576 if (raw_edid[i] == edid_header[i])
1577 score++;
1578
1579 return score;
1580}
1581EXPORT_SYMBOL(drm_edid_header_is_valid);
1582
1583static int edid_fixup __read_mostly = 6;
1584module_param_named(edid_fixup, edid_fixup, int, 0400);
1585MODULE_PARM_DESC(edid_fixup,
1586 "Minimum number of valid EDID header bytes (0-8, default 6)");
1587
1588static int drm_edid_block_checksum(const u8 *raw_edid)
1589{
1590 int i;
1591 u8 csum = 0, crc = 0;
1592
1593 for (i = 0; i < EDID_LENGTH - 1; i++)
1594 csum += raw_edid[i];
1595
1596 crc = 0x100 - csum;
1597
1598 return crc;
1599}
1600
1601static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1602{
1603 if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1604 return true;
1605 else
1606 return false;
1607}
1608
1609static bool drm_edid_is_zero(const u8 *in_edid, int length)
1610{
1611 if (memchr_inv(in_edid, 0, length))
1612 return false;
1613
1614 return true;
1615}
1616
1617/**
1618 * drm_edid_are_equal - compare two edid blobs.
1619 * @edid1: pointer to first blob
1620 * @edid2: pointer to second blob
1621 * This helper can be used during probing to determine if
1622 * edid had changed.
1623 */
1624bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1625{
1626 int edid1_len, edid2_len;
1627 bool edid1_present = edid1 != NULL;
1628 bool edid2_present = edid2 != NULL;
1629
1630 if (edid1_present != edid2_present)
1631 return false;
1632
1633 if (edid1) {
1634 edid1_len = EDID_LENGTH * (1 + edid1->extensions);
1635 edid2_len = EDID_LENGTH * (1 + edid2->extensions);
1636
1637 if (edid1_len != edid2_len)
1638 return false;
1639
1640 if (memcmp(edid1, edid2, edid1_len))
1641 return false;
1642 }
1643
1644 return true;
1645}
1646EXPORT_SYMBOL(drm_edid_are_equal);
1647
1648/**
1649 * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1650 * @raw_edid: pointer to raw EDID block
1651 * @block: type of block to validate (0 for base, extension otherwise)
1652 * @print_bad_edid: if true, dump bad EDID blocks to the console
1653 * @edid_corrupt: if true, the header or checksum is invalid
1654 *
1655 * Validate a base or extension EDID block and optionally dump bad blocks to
1656 * the console.
1657 *
1658 * Return: True if the block is valid, false otherwise.
1659 */
1660bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1661 bool *edid_corrupt)
1662{
1663 u8 csum;
1664 struct edid *edid = (struct edid *)raw_edid;
1665
1666 if (WARN_ON(!raw_edid))
1667 return false;
1668
1669 if (edid_fixup > 8 || edid_fixup < 0)
1670 edid_fixup = 6;
1671
1672 if (block == 0) {
1673 int score = drm_edid_header_is_valid(raw_edid);
1674
1675 if (score == 8) {
1676 if (edid_corrupt)
1677 *edid_corrupt = false;
1678 } else if (score >= edid_fixup) {
1679 /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1680 * The corrupt flag needs to be set here otherwise, the
1681 * fix-up code here will correct the problem, the
1682 * checksum is correct and the test fails
1683 */
1684 if (edid_corrupt)
1685 *edid_corrupt = true;
1686 DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1687 memcpy(raw_edid, edid_header, sizeof(edid_header));
1688 } else {
1689 if (edid_corrupt)
1690 *edid_corrupt = true;
1691 goto bad;
1692 }
1693 }
1694
1695 csum = drm_edid_block_checksum(raw_edid);
1696 if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1697 if (edid_corrupt)
1698 *edid_corrupt = true;
1699
1700 /* allow CEA to slide through, switches mangle this */
1701 if (raw_edid[0] == CEA_EXT) {
1702 DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1703 DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1704 } else {
1705 if (print_bad_edid)
1706 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1707
1708 goto bad;
1709 }
1710 }
1711
1712 /* per-block-type checks */
1713 switch (raw_edid[0]) {
1714 case 0: /* base */
1715 if (edid->version != 1) {
1716 DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1717 goto bad;
1718 }
1719
1720 if (edid->revision > 4)
1721 DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1722 break;
1723
1724 default:
1725 break;
1726 }
1727
1728 return true;
1729
1730bad:
1731 if (print_bad_edid) {
1732 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1733 pr_notice("EDID block is all zeroes\n");
1734 } else {
1735 pr_notice("Raw EDID:\n");
1736 print_hex_dump(KERN_NOTICE,
1737 " \t", DUMP_PREFIX_NONE, 16, 1,
1738 raw_edid, EDID_LENGTH, false);
1739 }
1740 }
1741 return false;
1742}
1743EXPORT_SYMBOL(drm_edid_block_valid);
1744
1745/**
1746 * drm_edid_is_valid - sanity check EDID data
1747 * @edid: EDID data
1748 *
1749 * Sanity-check an entire EDID record (including extensions)
1750 *
1751 * Return: True if the EDID data is valid, false otherwise.
1752 */
1753bool drm_edid_is_valid(struct edid *edid)
1754{
1755 int i;
1756 u8 *raw = (u8 *)edid;
1757
1758 if (!edid)
1759 return false;
1760
1761 for (i = 0; i <= edid->extensions; i++)
1762 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1763 return false;
1764
1765 return true;
1766}
1767EXPORT_SYMBOL(drm_edid_is_valid);
1768
1769#define DDC_SEGMENT_ADDR 0x30
1770/**
1771 * drm_do_probe_ddc_edid() - get EDID information via I2C
1772 * @data: I2C device adapter
1773 * @buf: EDID data buffer to be filled
1774 * @block: 128 byte EDID block to start fetching from
1775 * @len: EDID data buffer length to fetch
1776 *
1777 * Try to fetch EDID information by calling I2C driver functions.
1778 *
1779 * Return: 0 on success or -1 on failure.
1780 */
1781static int
1782drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1783{
1784 struct i2c_adapter *adapter = data;
1785 unsigned char start = block * EDID_LENGTH;
1786 unsigned char segment = block >> 1;
1787 unsigned char xfers = segment ? 3 : 2;
1788 int ret, retries = 5;
1789
1790 /*
1791 * The core I2C driver will automatically retry the transfer if the
1792 * adapter reports EAGAIN. However, we find that bit-banging transfers
1793 * are susceptible to errors under a heavily loaded machine and
1794 * generate spurious NAKs and timeouts. Retrying the transfer
1795 * of the individual block a few times seems to overcome this.
1796 */
1797 do {
1798 struct i2c_msg msgs[] = {
1799 {
1800 .addr = DDC_SEGMENT_ADDR,
1801 .flags = 0,
1802 .len = 1,
1803 .buf = &segment,
1804 }, {
1805 .addr = DDC_ADDR,
1806 .flags = 0,
1807 .len = 1,
1808 .buf = &start,
1809 }, {
1810 .addr = DDC_ADDR,
1811 .flags = I2C_M_RD,
1812 .len = len,
1813 .buf = buf,
1814 }
1815 };
1816
1817 /*
1818 * Avoid sending the segment addr to not upset non-compliant
1819 * DDC monitors.
1820 */
1821 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1822
1823 if (ret == -ENXIO) {
1824 DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1825 adapter->name);
1826 break;
1827 }
1828 } while (ret != xfers && --retries);
1829
1830 return ret == xfers ? 0 : -1;
1831}
1832
1833static void connector_bad_edid(struct drm_connector *connector,
1834 u8 *edid, int num_blocks)
1835{
1836 int i;
1837 u8 last_block;
1838
1839 /*
1840 * 0x7e in the EDID is the number of extension blocks. The EDID
1841 * is 1 (base block) + num_ext_blocks big. That means we can think
1842 * of 0x7e in the EDID of the _index_ of the last block in the
1843 * combined chunk of memory.
1844 */
1845 last_block = edid[0x7e];
1846
1847 /* Calculate real checksum for the last edid extension block data */
1848 if (last_block < num_blocks)
1849 connector->real_edid_checksum =
1850 drm_edid_block_checksum(edid + last_block * EDID_LENGTH);
1851
1852 if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1853 return;
1854
1855 drm_dbg_kms(connector->dev, "%s: EDID is invalid:\n", connector->name);
1856 for (i = 0; i < num_blocks; i++) {
1857 u8 *block = edid + i * EDID_LENGTH;
1858 char prefix[20];
1859
1860 if (drm_edid_is_zero(block, EDID_LENGTH))
1861 sprintf(prefix, "\t[%02x] ZERO ", i);
1862 else if (!drm_edid_block_valid(block, i, false, NULL))
1863 sprintf(prefix, "\t[%02x] BAD ", i);
1864 else
1865 sprintf(prefix, "\t[%02x] GOOD ", i);
1866
1867 print_hex_dump(KERN_DEBUG,
1868 prefix, DUMP_PREFIX_NONE, 16, 1,
1869 block, EDID_LENGTH, false);
1870 }
1871}
1872
1873/* Get override or firmware EDID */
1874static struct edid *drm_get_override_edid(struct drm_connector *connector)
1875{
1876 struct edid *override = NULL;
1877
1878 if (connector->override_edid)
1879 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1880
1881 if (!override)
1882 override = drm_load_edid_firmware(connector);
1883
1884 return IS_ERR(override) ? NULL : override;
1885}
1886
1887/**
1888 * drm_add_override_edid_modes - add modes from override/firmware EDID
1889 * @connector: connector we're probing
1890 *
1891 * Add modes from the override/firmware EDID, if available. Only to be used from
1892 * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1893 * failed during drm_get_edid() and caused the override/firmware EDID to be
1894 * skipped.
1895 *
1896 * Return: The number of modes added or 0 if we couldn't find any.
1897 */
1898int drm_add_override_edid_modes(struct drm_connector *connector)
1899{
1900 struct edid *override;
1901 int num_modes = 0;
1902
1903 override = drm_get_override_edid(connector);
1904 if (override) {
1905 drm_connector_update_edid_property(connector, override);
1906 num_modes = drm_add_edid_modes(connector, override);
1907 kfree(override);
1908
1909 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1910 connector->base.id, connector->name, num_modes);
1911 }
1912
1913 return num_modes;
1914}
1915EXPORT_SYMBOL(drm_add_override_edid_modes);
1916
1917/**
1918 * drm_do_get_edid - get EDID data using a custom EDID block read function
1919 * @connector: connector we're probing
1920 * @get_edid_block: EDID block read function
1921 * @data: private data passed to the block read function
1922 *
1923 * When the I2C adapter connected to the DDC bus is hidden behind a device that
1924 * exposes a different interface to read EDID blocks this function can be used
1925 * to get EDID data using a custom block read function.
1926 *
1927 * As in the general case the DDC bus is accessible by the kernel at the I2C
1928 * level, drivers must make all reasonable efforts to expose it as an I2C
1929 * adapter and use drm_get_edid() instead of abusing this function.
1930 *
1931 * The EDID may be overridden using debugfs override_edid or firmare EDID
1932 * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1933 * order. Having either of them bypasses actual EDID reads.
1934 *
1935 * Return: Pointer to valid EDID or NULL if we couldn't find any.
1936 */
1937struct edid *drm_do_get_edid(struct drm_connector *connector,
1938 int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1939 size_t len),
1940 void *data)
1941{
1942 int i, j = 0, valid_extensions = 0;
1943 u8 *edid, *new;
1944 struct edid *override;
1945
1946 override = drm_get_override_edid(connector);
1947 if (override)
1948 return override;
1949
1950 if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1951 return NULL;
1952
1953 /* base block fetch */
1954 for (i = 0; i < 4; i++) {
1955 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1956 goto out;
1957 if (drm_edid_block_valid(edid, 0, false,
1958 &connector->edid_corrupt))
1959 break;
1960 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1961 connector->null_edid_counter++;
1962 goto carp;
1963 }
1964 }
1965 if (i == 4)
1966 goto carp;
1967
1968 /* if there's no extensions, we're done */
1969 valid_extensions = edid[0x7e];
1970 if (valid_extensions == 0)
1971 return (struct edid *)edid;
1972
1973 new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1974 if (!new)
1975 goto out;
1976 edid = new;
1977
1978 for (j = 1; j <= edid[0x7e]; j++) {
1979 u8 *block = edid + j * EDID_LENGTH;
1980
1981 for (i = 0; i < 4; i++) {
1982 if (get_edid_block(data, block, j, EDID_LENGTH))
1983 goto out;
1984 if (drm_edid_block_valid(block, j, false, NULL))
1985 break;
1986 }
1987
1988 if (i == 4)
1989 valid_extensions--;
1990 }
1991
1992 if (valid_extensions != edid[0x7e]) {
1993 u8 *base;
1994
1995 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1996
1997 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1998 edid[0x7e] = valid_extensions;
1999
2000 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
2001 GFP_KERNEL);
2002 if (!new)
2003 goto out;
2004
2005 base = new;
2006 for (i = 0; i <= edid[0x7e]; i++) {
2007 u8 *block = edid + i * EDID_LENGTH;
2008
2009 if (!drm_edid_block_valid(block, i, false, NULL))
2010 continue;
2011
2012 memcpy(base, block, EDID_LENGTH);
2013 base += EDID_LENGTH;
2014 }
2015
2016 kfree(edid);
2017 edid = new;
2018 }
2019
2020 return (struct edid *)edid;
2021
2022carp:
2023 connector_bad_edid(connector, edid, 1);
2024out:
2025 kfree(edid);
2026 return NULL;
2027}
2028EXPORT_SYMBOL_GPL(drm_do_get_edid);
2029
2030/**
2031 * drm_probe_ddc() - probe DDC presence
2032 * @adapter: I2C adapter to probe
2033 *
2034 * Return: True on success, false on failure.
2035 */
2036bool
2037drm_probe_ddc(struct i2c_adapter *adapter)
2038{
2039 unsigned char out;
2040
2041 return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2042}
2043EXPORT_SYMBOL(drm_probe_ddc);
2044
2045/**
2046 * drm_get_edid - get EDID data, if available
2047 * @connector: connector we're probing
2048 * @adapter: I2C adapter to use for DDC
2049 *
2050 * Poke the given I2C channel to grab EDID data if possible. If found,
2051 * attach it to the connector.
2052 *
2053 * Return: Pointer to valid EDID or NULL if we couldn't find any.
2054 */
2055struct edid *drm_get_edid(struct drm_connector *connector,
2056 struct i2c_adapter *adapter)
2057{
2058 struct edid *edid;
2059
2060 if (connector->force == DRM_FORCE_OFF)
2061 return NULL;
2062
2063 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2064 return NULL;
2065
2066 edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2067 drm_connector_update_edid_property(connector, edid);
2068 return edid;
2069}
2070EXPORT_SYMBOL(drm_get_edid);
2071
2072/**
2073 * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2074 * @connector: connector we're probing
2075 * @adapter: I2C adapter to use for DDC
2076 *
2077 * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2078 * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2079 * switch DDC to the GPU which is retrieving EDID.
2080 *
2081 * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2082 */
2083struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2084 struct i2c_adapter *adapter)
2085{
2086 struct drm_device *dev = connector->dev;
2087 struct pci_dev *pdev = to_pci_dev(dev->dev);
2088 struct edid *edid;
2089
2090 if (drm_WARN_ON_ONCE(dev, !dev_is_pci(dev->dev)))
2091 return NULL;
2092
2093 vga_switcheroo_lock_ddc(pdev);
2094 edid = drm_get_edid(connector, adapter);
2095 vga_switcheroo_unlock_ddc(pdev);
2096
2097 return edid;
2098}
2099EXPORT_SYMBOL(drm_get_edid_switcheroo);
2100
2101/**
2102 * drm_edid_duplicate - duplicate an EDID and the extensions
2103 * @edid: EDID to duplicate
2104 *
2105 * Return: Pointer to duplicated EDID or NULL on allocation failure.
2106 */
2107struct edid *drm_edid_duplicate(const struct edid *edid)
2108{
2109 return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2110}
2111EXPORT_SYMBOL(drm_edid_duplicate);
2112
2113/*** EDID parsing ***/
2114
2115/**
2116 * edid_vendor - match a string against EDID's obfuscated vendor field
2117 * @edid: EDID to match
2118 * @vendor: vendor string
2119 *
2120 * Returns true if @vendor is in @edid, false otherwise
2121 */
2122static bool edid_vendor(const struct edid *edid, const char *vendor)
2123{
2124 char edid_vendor[3];
2125
2126 edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2127 edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2128 ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2129 edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2130
2131 return !strncmp(edid_vendor, vendor, 3);
2132}
2133
2134/**
2135 * edid_get_quirks - return quirk flags for a given EDID
2136 * @edid: EDID to process
2137 *
2138 * This tells subsequent routines what fixes they need to apply.
2139 */
2140static u32 edid_get_quirks(const struct edid *edid)
2141{
2142 const struct edid_quirk *quirk;
2143 int i;
2144
2145 for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2146 quirk = &edid_quirk_list[i];
2147
2148 if (edid_vendor(edid, quirk->vendor) &&
2149 (EDID_PRODUCT_ID(edid) == quirk->product_id))
2150 return quirk->quirks;
2151 }
2152
2153 return 0;
2154}
2155
2156#define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2157#define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2158
2159/**
2160 * edid_fixup_preferred - set preferred modes based on quirk list
2161 * @connector: has mode list to fix up
2162 * @quirks: quirks list
2163 *
2164 * Walk the mode list for @connector, clearing the preferred status
2165 * on existing modes and setting it anew for the right mode ala @quirks.
2166 */
2167static void edid_fixup_preferred(struct drm_connector *connector,
2168 u32 quirks)
2169{
2170 struct drm_display_mode *t, *cur_mode, *preferred_mode;
2171 int target_refresh = 0;
2172 int cur_vrefresh, preferred_vrefresh;
2173
2174 if (list_empty(&connector->probed_modes))
2175 return;
2176
2177 if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2178 target_refresh = 60;
2179 if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2180 target_refresh = 75;
2181
2182 preferred_mode = list_first_entry(&connector->probed_modes,
2183 struct drm_display_mode, head);
2184
2185 list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2186 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2187
2188 if (cur_mode == preferred_mode)
2189 continue;
2190
2191 /* Largest mode is preferred */
2192 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2193 preferred_mode = cur_mode;
2194
2195 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2196 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2197 /* At a given size, try to get closest to target refresh */
2198 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2199 MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2200 MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2201 preferred_mode = cur_mode;
2202 }
2203 }
2204
2205 preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2206}
2207
2208static bool
2209mode_is_rb(const struct drm_display_mode *mode)
2210{
2211 return (mode->htotal - mode->hdisplay == 160) &&
2212 (mode->hsync_end - mode->hdisplay == 80) &&
2213 (mode->hsync_end - mode->hsync_start == 32) &&
2214 (mode->vsync_start - mode->vdisplay == 3);
2215}
2216
2217/*
2218 * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2219 * @dev: Device to duplicate against
2220 * @hsize: Mode width
2221 * @vsize: Mode height
2222 * @fresh: Mode refresh rate
2223 * @rb: Mode reduced-blanking-ness
2224 *
2225 * Walk the DMT mode list looking for a match for the given parameters.
2226 *
2227 * Return: A newly allocated copy of the mode, or NULL if not found.
2228 */
2229struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2230 int hsize, int vsize, int fresh,
2231 bool rb)
2232{
2233 int i;
2234
2235 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2236 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2237
2238 if (hsize != ptr->hdisplay)
2239 continue;
2240 if (vsize != ptr->vdisplay)
2241 continue;
2242 if (fresh != drm_mode_vrefresh(ptr))
2243 continue;
2244 if (rb != mode_is_rb(ptr))
2245 continue;
2246
2247 return drm_mode_duplicate(dev, ptr);
2248 }
2249
2250 return NULL;
2251}
2252EXPORT_SYMBOL(drm_mode_find_dmt);
2253
2254static bool is_display_descriptor(const u8 d[18], u8 tag)
2255{
2256 return d[0] == 0x00 && d[1] == 0x00 &&
2257 d[2] == 0x00 && d[3] == tag;
2258}
2259
2260static bool is_detailed_timing_descriptor(const u8 d[18])
2261{
2262 return d[0] != 0x00 || d[1] != 0x00;
2263}
2264
2265typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2266
2267static void
2268cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2269{
2270 int i, n;
2271 u8 d = ext[0x02];
2272 u8 *det_base = ext + d;
2273
2274 if (d < 4 || d > 127)
2275 return;
2276
2277 n = (127 - d) / 18;
2278 for (i = 0; i < n; i++)
2279 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2280}
2281
2282static void
2283vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2284{
2285 unsigned int i, n = min((int)ext[0x02], 6);
2286 u8 *det_base = ext + 5;
2287
2288 if (ext[0x01] != 1)
2289 return; /* unknown version */
2290
2291 for (i = 0; i < n; i++)
2292 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2293}
2294
2295static void
2296drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2297{
2298 int i;
2299 struct edid *edid = (struct edid *)raw_edid;
2300
2301 if (edid == NULL)
2302 return;
2303
2304 for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2305 cb(&(edid->detailed_timings[i]), closure);
2306
2307 for (i = 1; i <= raw_edid[0x7e]; i++) {
2308 u8 *ext = raw_edid + (i * EDID_LENGTH);
2309
2310 switch (*ext) {
2311 case CEA_EXT:
2312 cea_for_each_detailed_block(ext, cb, closure);
2313 break;
2314 case VTB_EXT:
2315 vtb_for_each_detailed_block(ext, cb, closure);
2316 break;
2317 default:
2318 break;
2319 }
2320 }
2321}
2322
2323static void
2324is_rb(struct detailed_timing *t, void *data)
2325{
2326 u8 *r = (u8 *)t;
2327
2328 if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2329 return;
2330
2331 if (r[15] & 0x10)
2332 *(bool *)data = true;
2333}
2334
2335/* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
2336static bool
2337drm_monitor_supports_rb(struct edid *edid)
2338{
2339 if (edid->revision >= 4) {
2340 bool ret = false;
2341
2342 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2343 return ret;
2344 }
2345
2346 return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2347}
2348
2349static void
2350find_gtf2(struct detailed_timing *t, void *data)
2351{
2352 u8 *r = (u8 *)t;
2353
2354 if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2355 return;
2356
2357 if (r[10] == 0x02)
2358 *(u8 **)data = r;
2359}
2360
2361/* Secondary GTF curve kicks in above some break frequency */
2362static int
2363drm_gtf2_hbreak(struct edid *edid)
2364{
2365 u8 *r = NULL;
2366
2367 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2368 return r ? (r[12] * 2) : 0;
2369}
2370
2371static int
2372drm_gtf2_2c(struct edid *edid)
2373{
2374 u8 *r = NULL;
2375
2376 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2377 return r ? r[13] : 0;
2378}
2379
2380static int
2381drm_gtf2_m(struct edid *edid)
2382{
2383 u8 *r = NULL;
2384
2385 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2386 return r ? (r[15] << 8) + r[14] : 0;
2387}
2388
2389static int
2390drm_gtf2_k(struct edid *edid)
2391{
2392 u8 *r = NULL;
2393
2394 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2395 return r ? r[16] : 0;
2396}
2397
2398static int
2399drm_gtf2_2j(struct edid *edid)
2400{
2401 u8 *r = NULL;
2402
2403 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2404 return r ? r[17] : 0;
2405}
2406
2407/**
2408 * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2409 * @edid: EDID block to scan
2410 */
2411static int standard_timing_level(struct edid *edid)
2412{
2413 if (edid->revision >= 2) {
2414 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2415 return LEVEL_CVT;
2416 if (drm_gtf2_hbreak(edid))
2417 return LEVEL_GTF2;
2418 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2419 return LEVEL_GTF;
2420 }
2421 return LEVEL_DMT;
2422}
2423
2424/*
2425 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
2426 * monitors fill with ascii space (0x20) instead.
2427 */
2428static int
2429bad_std_timing(u8 a, u8 b)
2430{
2431 return (a == 0x00 && b == 0x00) ||
2432 (a == 0x01 && b == 0x01) ||
2433 (a == 0x20 && b == 0x20);
2434}
2435
2436static int drm_mode_hsync(const struct drm_display_mode *mode)
2437{
2438 if (mode->htotal <= 0)
2439 return 0;
2440
2441 return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2442}
2443
2444/**
2445 * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2446 * @connector: connector of for the EDID block
2447 * @edid: EDID block to scan
2448 * @t: standard timing params
2449 *
2450 * Take the standard timing params (in this case width, aspect, and refresh)
2451 * and convert them into a real mode using CVT/GTF/DMT.
2452 */
2453static struct drm_display_mode *
2454drm_mode_std(struct drm_connector *connector, struct edid *edid,
2455 struct std_timing *t)
2456{
2457 struct drm_device *dev = connector->dev;
2458 struct drm_display_mode *m, *mode = NULL;
2459 int hsize, vsize;
2460 int vrefresh_rate;
2461 unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2462 >> EDID_TIMING_ASPECT_SHIFT;
2463 unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2464 >> EDID_TIMING_VFREQ_SHIFT;
2465 int timing_level = standard_timing_level(edid);
2466
2467 if (bad_std_timing(t->hsize, t->vfreq_aspect))
2468 return NULL;
2469
2470 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2471 hsize = t->hsize * 8 + 248;
2472 /* vrefresh_rate = vfreq + 60 */
2473 vrefresh_rate = vfreq + 60;
2474 /* the vdisplay is calculated based on the aspect ratio */
2475 if (aspect_ratio == 0) {
2476 if (edid->revision < 3)
2477 vsize = hsize;
2478 else
2479 vsize = (hsize * 10) / 16;
2480 } else if (aspect_ratio == 1)
2481 vsize = (hsize * 3) / 4;
2482 else if (aspect_ratio == 2)
2483 vsize = (hsize * 4) / 5;
2484 else
2485 vsize = (hsize * 9) / 16;
2486
2487 /* HDTV hack, part 1 */
2488 if (vrefresh_rate == 60 &&
2489 ((hsize == 1360 && vsize == 765) ||
2490 (hsize == 1368 && vsize == 769))) {
2491 hsize = 1366;
2492 vsize = 768;
2493 }
2494
2495 /*
2496 * If this connector already has a mode for this size and refresh
2497 * rate (because it came from detailed or CVT info), use that
2498 * instead. This way we don't have to guess at interlace or
2499 * reduced blanking.
2500 */
2501 list_for_each_entry(m, &connector->probed_modes, head)
2502 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2503 drm_mode_vrefresh(m) == vrefresh_rate)
2504 return NULL;
2505
2506 /* HDTV hack, part 2 */
2507 if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2508 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2509 false);
2510 if (!mode)
2511 return NULL;
2512 mode->hdisplay = 1366;
2513 mode->hsync_start = mode->hsync_start - 1;
2514 mode->hsync_end = mode->hsync_end - 1;
2515 return mode;
2516 }
2517
2518 /* check whether it can be found in default mode table */
2519 if (drm_monitor_supports_rb(edid)) {
2520 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2521 true);
2522 if (mode)
2523 return mode;
2524 }
2525 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2526 if (mode)
2527 return mode;
2528
2529 /* okay, generate it */
2530 switch (timing_level) {
2531 case LEVEL_DMT:
2532 break;
2533 case LEVEL_GTF:
2534 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2535 break;
2536 case LEVEL_GTF2:
2537 /*
2538 * This is potentially wrong if there's ever a monitor with
2539 * more than one ranges section, each claiming a different
2540 * secondary GTF curve. Please don't do that.
2541 */
2542 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2543 if (!mode)
2544 return NULL;
2545 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2546 drm_mode_destroy(dev, mode);
2547 mode = drm_gtf_mode_complex(dev, hsize, vsize,
2548 vrefresh_rate, 0, 0,
2549 drm_gtf2_m(edid),
2550 drm_gtf2_2c(edid),
2551 drm_gtf2_k(edid),
2552 drm_gtf2_2j(edid));
2553 }
2554 break;
2555 case LEVEL_CVT:
2556 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2557 false);
2558 break;
2559 }
2560 return mode;
2561}
2562
2563/*
2564 * EDID is delightfully ambiguous about how interlaced modes are to be
2565 * encoded. Our internal representation is of frame height, but some
2566 * HDTV detailed timings are encoded as field height.
2567 *
2568 * The format list here is from CEA, in frame size. Technically we
2569 * should be checking refresh rate too. Whatever.
2570 */
2571static void
2572drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2573 struct detailed_pixel_timing *pt)
2574{
2575 int i;
2576 static const struct {
2577 int w, h;
2578 } cea_interlaced[] = {
2579 { 1920, 1080 },
2580 { 720, 480 },
2581 { 1440, 480 },
2582 { 2880, 480 },
2583 { 720, 576 },
2584 { 1440, 576 },
2585 { 2880, 576 },
2586 };
2587
2588 if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2589 return;
2590
2591 for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2592 if ((mode->hdisplay == cea_interlaced[i].w) &&
2593 (mode->vdisplay == cea_interlaced[i].h / 2)) {
2594 mode->vdisplay *= 2;
2595 mode->vsync_start *= 2;
2596 mode->vsync_end *= 2;
2597 mode->vtotal *= 2;
2598 mode->vtotal |= 1;
2599 }
2600 }
2601
2602 mode->flags |= DRM_MODE_FLAG_INTERLACE;
2603}
2604
2605/**
2606 * drm_mode_detailed - create a new mode from an EDID detailed timing section
2607 * @dev: DRM device (needed to create new mode)
2608 * @edid: EDID block
2609 * @timing: EDID detailed timing info
2610 * @quirks: quirks to apply
2611 *
2612 * An EDID detailed timing block contains enough info for us to create and
2613 * return a new struct drm_display_mode.
2614 */
2615static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2616 struct edid *edid,
2617 struct detailed_timing *timing,
2618 u32 quirks)
2619{
2620 struct drm_display_mode *mode;
2621 struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2622 unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2623 unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2624 unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2625 unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2626 unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2627 unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2628 unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2629 unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2630
2631 /* ignore tiny modes */
2632 if (hactive < 64 || vactive < 64)
2633 return NULL;
2634
2635 if (pt->misc & DRM_EDID_PT_STEREO) {
2636 DRM_DEBUG_KMS("stereo mode not supported\n");
2637 return NULL;
2638 }
2639 if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2640 DRM_DEBUG_KMS("composite sync not supported\n");
2641 }
2642
2643 /* it is incorrect if hsync/vsync width is zero */
2644 if (!hsync_pulse_width || !vsync_pulse_width) {
2645 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2646 "Wrong Hsync/Vsync pulse width\n");
2647 return NULL;
2648 }
2649
2650 if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2651 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2652 if (!mode)
2653 return NULL;
2654
2655 goto set_size;
2656 }
2657
2658 mode = drm_mode_create(dev);
2659 if (!mode)
2660 return NULL;
2661
2662 if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2663 timing->pixel_clock = cpu_to_le16(1088);
2664
2665 mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2666
2667 mode->hdisplay = hactive;
2668 mode->hsync_start = mode->hdisplay + hsync_offset;
2669 mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2670 mode->htotal = mode->hdisplay + hblank;
2671
2672 mode->vdisplay = vactive;
2673 mode->vsync_start = mode->vdisplay + vsync_offset;
2674 mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2675 mode->vtotal = mode->vdisplay + vblank;
2676
2677 /* Some EDIDs have bogus h/vtotal values */
2678 if (mode->hsync_end > mode->htotal)
2679 mode->htotal = mode->hsync_end + 1;
2680 if (mode->vsync_end > mode->vtotal)
2681 mode->vtotal = mode->vsync_end + 1;
2682
2683 drm_mode_do_interlace_quirk(mode, pt);
2684
2685 if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2686 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2687 }
2688
2689 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2690 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2691 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2692 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2693
2694set_size:
2695 mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2696 mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2697
2698 if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2699 mode->width_mm *= 10;
2700 mode->height_mm *= 10;
2701 }
2702
2703 if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2704 mode->width_mm = edid->width_cm * 10;
2705 mode->height_mm = edid->height_cm * 10;
2706 }
2707
2708 mode->type = DRM_MODE_TYPE_DRIVER;
2709 drm_mode_set_name(mode);
2710
2711 return mode;
2712}
2713
2714static bool
2715mode_in_hsync_range(const struct drm_display_mode *mode,
2716 struct edid *edid, u8 *t)
2717{
2718 int hsync, hmin, hmax;
2719
2720 hmin = t[7];
2721 if (edid->revision >= 4)
2722 hmin += ((t[4] & 0x04) ? 255 : 0);
2723 hmax = t[8];
2724 if (edid->revision >= 4)
2725 hmax += ((t[4] & 0x08) ? 255 : 0);
2726 hsync = drm_mode_hsync(mode);
2727
2728 return (hsync <= hmax && hsync >= hmin);
2729}
2730
2731static bool
2732mode_in_vsync_range(const struct drm_display_mode *mode,
2733 struct edid *edid, u8 *t)
2734{
2735 int vsync, vmin, vmax;
2736
2737 vmin = t[5];
2738 if (edid->revision >= 4)
2739 vmin += ((t[4] & 0x01) ? 255 : 0);
2740 vmax = t[6];
2741 if (edid->revision >= 4)
2742 vmax += ((t[4] & 0x02) ? 255 : 0);
2743 vsync = drm_mode_vrefresh(mode);
2744
2745 return (vsync <= vmax && vsync >= vmin);
2746}
2747
2748static u32
2749range_pixel_clock(struct edid *edid, u8 *t)
2750{
2751 /* unspecified */
2752 if (t[9] == 0 || t[9] == 255)
2753 return 0;
2754
2755 /* 1.4 with CVT support gives us real precision, yay */
2756 if (edid->revision >= 4 && t[10] == 0x04)
2757 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2758
2759 /* 1.3 is pathetic, so fuzz up a bit */
2760 return t[9] * 10000 + 5001;
2761}
2762
2763static bool
2764mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2765 struct detailed_timing *timing)
2766{
2767 u32 max_clock;
2768 u8 *t = (u8 *)timing;
2769
2770 if (!mode_in_hsync_range(mode, edid, t))
2771 return false;
2772
2773 if (!mode_in_vsync_range(mode, edid, t))
2774 return false;
2775
2776 if ((max_clock = range_pixel_clock(edid, t)))
2777 if (mode->clock > max_clock)
2778 return false;
2779
2780 /* 1.4 max horizontal check */
2781 if (edid->revision >= 4 && t[10] == 0x04)
2782 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2783 return false;
2784
2785 if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2786 return false;
2787
2788 return true;
2789}
2790
2791static bool valid_inferred_mode(const struct drm_connector *connector,
2792 const struct drm_display_mode *mode)
2793{
2794 const struct drm_display_mode *m;
2795 bool ok = false;
2796
2797 list_for_each_entry(m, &connector->probed_modes, head) {
2798 if (mode->hdisplay == m->hdisplay &&
2799 mode->vdisplay == m->vdisplay &&
2800 drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2801 return false; /* duplicated */
2802 if (mode->hdisplay <= m->hdisplay &&
2803 mode->vdisplay <= m->vdisplay)
2804 ok = true;
2805 }
2806 return ok;
2807}
2808
2809static int
2810drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2811 struct detailed_timing *timing)
2812{
2813 int i, modes = 0;
2814 struct drm_display_mode *newmode;
2815 struct drm_device *dev = connector->dev;
2816
2817 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2818 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2819 valid_inferred_mode(connector, drm_dmt_modes + i)) {
2820 newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2821 if (newmode) {
2822 drm_mode_probed_add(connector, newmode);
2823 modes++;
2824 }
2825 }
2826 }
2827
2828 return modes;
2829}
2830
2831/* fix up 1366x768 mode from 1368x768;
2832 * GFT/CVT can't express 1366 width which isn't dividable by 8
2833 */
2834void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2835{
2836 if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2837 mode->hdisplay = 1366;
2838 mode->hsync_start--;
2839 mode->hsync_end--;
2840 drm_mode_set_name(mode);
2841 }
2842}
2843
2844static int
2845drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2846 struct detailed_timing *timing)
2847{
2848 int i, modes = 0;
2849 struct drm_display_mode *newmode;
2850 struct drm_device *dev = connector->dev;
2851
2852 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2853 const struct minimode *m = &extra_modes[i];
2854
2855 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2856 if (!newmode)
2857 return modes;
2858
2859 drm_mode_fixup_1366x768(newmode);
2860 if (!mode_in_range(newmode, edid, timing) ||
2861 !valid_inferred_mode(connector, newmode)) {
2862 drm_mode_destroy(dev, newmode);
2863 continue;
2864 }
2865
2866 drm_mode_probed_add(connector, newmode);
2867 modes++;
2868 }
2869
2870 return modes;
2871}
2872
2873static int
2874drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2875 struct detailed_timing *timing)
2876{
2877 int i, modes = 0;
2878 struct drm_display_mode *newmode;
2879 struct drm_device *dev = connector->dev;
2880 bool rb = drm_monitor_supports_rb(edid);
2881
2882 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2883 const struct minimode *m = &extra_modes[i];
2884
2885 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2886 if (!newmode)
2887 return modes;
2888
2889 drm_mode_fixup_1366x768(newmode);
2890 if (!mode_in_range(newmode, edid, timing) ||
2891 !valid_inferred_mode(connector, newmode)) {
2892 drm_mode_destroy(dev, newmode);
2893 continue;
2894 }
2895
2896 drm_mode_probed_add(connector, newmode);
2897 modes++;
2898 }
2899
2900 return modes;
2901}
2902
2903static void
2904do_inferred_modes(struct detailed_timing *timing, void *c)
2905{
2906 struct detailed_mode_closure *closure = c;
2907 struct detailed_non_pixel *data = &timing->data.other_data;
2908 struct detailed_data_monitor_range *range = &data->data.range;
2909
2910 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2911 return;
2912
2913 closure->modes += drm_dmt_modes_for_range(closure->connector,
2914 closure->edid,
2915 timing);
2916
2917 if (!version_greater(closure->edid, 1, 1))
2918 return; /* GTF not defined yet */
2919
2920 switch (range->flags) {
2921 case 0x02: /* secondary gtf, XXX could do more */
2922 case 0x00: /* default gtf */
2923 closure->modes += drm_gtf_modes_for_range(closure->connector,
2924 closure->edid,
2925 timing);
2926 break;
2927 case 0x04: /* cvt, only in 1.4+ */
2928 if (!version_greater(closure->edid, 1, 3))
2929 break;
2930
2931 closure->modes += drm_cvt_modes_for_range(closure->connector,
2932 closure->edid,
2933 timing);
2934 break;
2935 case 0x01: /* just the ranges, no formula */
2936 default:
2937 break;
2938 }
2939}
2940
2941static int
2942add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2943{
2944 struct detailed_mode_closure closure = {
2945 .connector = connector,
2946 .edid = edid,
2947 };
2948
2949 if (version_greater(edid, 1, 0))
2950 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2951 &closure);
2952
2953 return closure.modes;
2954}
2955
2956static int
2957drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2958{
2959 int i, j, m, modes = 0;
2960 struct drm_display_mode *mode;
2961 u8 *est = ((u8 *)timing) + 6;
2962
2963 for (i = 0; i < 6; i++) {
2964 for (j = 7; j >= 0; j--) {
2965 m = (i * 8) + (7 - j);
2966 if (m >= ARRAY_SIZE(est3_modes))
2967 break;
2968 if (est[i] & (1 << j)) {
2969 mode = drm_mode_find_dmt(connector->dev,
2970 est3_modes[m].w,
2971 est3_modes[m].h,
2972 est3_modes[m].r,
2973 est3_modes[m].rb);
2974 if (mode) {
2975 drm_mode_probed_add(connector, mode);
2976 modes++;
2977 }
2978 }
2979 }
2980 }
2981
2982 return modes;
2983}
2984
2985static void
2986do_established_modes(struct detailed_timing *timing, void *c)
2987{
2988 struct detailed_mode_closure *closure = c;
2989
2990 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2991 return;
2992
2993 closure->modes += drm_est3_modes(closure->connector, timing);
2994}
2995
2996/**
2997 * add_established_modes - get est. modes from EDID and add them
2998 * @connector: connector to add mode(s) to
2999 * @edid: EDID block to scan
3000 *
3001 * Each EDID block contains a bitmap of the supported "established modes" list
3002 * (defined above). Tease them out and add them to the global modes list.
3003 */
3004static int
3005add_established_modes(struct drm_connector *connector, struct edid *edid)
3006{
3007 struct drm_device *dev = connector->dev;
3008 unsigned long est_bits = edid->established_timings.t1 |
3009 (edid->established_timings.t2 << 8) |
3010 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
3011 int i, modes = 0;
3012 struct detailed_mode_closure closure = {
3013 .connector = connector,
3014 .edid = edid,
3015 };
3016
3017 for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3018 if (est_bits & (1<<i)) {
3019 struct drm_display_mode *newmode;
3020
3021 newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3022 if (newmode) {
3023 drm_mode_probed_add(connector, newmode);
3024 modes++;
3025 }
3026 }
3027 }
3028
3029 if (version_greater(edid, 1, 0))
3030 drm_for_each_detailed_block((u8 *)edid,
3031 do_established_modes, &closure);
3032
3033 return modes + closure.modes;
3034}
3035
3036static void
3037do_standard_modes(struct detailed_timing *timing, void *c)
3038{
3039 struct detailed_mode_closure *closure = c;
3040 struct detailed_non_pixel *data = &timing->data.other_data;
3041 struct drm_connector *connector = closure->connector;
3042 struct edid *edid = closure->edid;
3043 int i;
3044
3045 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3046 return;
3047
3048 for (i = 0; i < 6; i++) {
3049 struct std_timing *std = &data->data.timings[i];
3050 struct drm_display_mode *newmode;
3051
3052 newmode = drm_mode_std(connector, edid, std);
3053 if (newmode) {
3054 drm_mode_probed_add(connector, newmode);
3055 closure->modes++;
3056 }
3057 }
3058}
3059
3060/**
3061 * add_standard_modes - get std. modes from EDID and add them
3062 * @connector: connector to add mode(s) to
3063 * @edid: EDID block to scan
3064 *
3065 * Standard modes can be calculated using the appropriate standard (DMT,
3066 * GTF or CVT. Grab them from @edid and add them to the list.
3067 */
3068static int
3069add_standard_modes(struct drm_connector *connector, struct edid *edid)
3070{
3071 int i, modes = 0;
3072 struct detailed_mode_closure closure = {
3073 .connector = connector,
3074 .edid = edid,
3075 };
3076
3077 for (i = 0; i < EDID_STD_TIMINGS; i++) {
3078 struct drm_display_mode *newmode;
3079
3080 newmode = drm_mode_std(connector, edid,
3081 &edid->standard_timings[i]);
3082 if (newmode) {
3083 drm_mode_probed_add(connector, newmode);
3084 modes++;
3085 }
3086 }
3087
3088 if (version_greater(edid, 1, 0))
3089 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3090 &closure);
3091
3092 /* XXX should also look for standard codes in VTB blocks */
3093
3094 return modes + closure.modes;
3095}
3096
3097static int drm_cvt_modes(struct drm_connector *connector,
3098 struct detailed_timing *timing)
3099{
3100 int i, j, modes = 0;
3101 struct drm_display_mode *newmode;
3102 struct drm_device *dev = connector->dev;
3103 struct cvt_timing *cvt;
3104 const int rates[] = { 60, 85, 75, 60, 50 };
3105 const u8 empty[3] = { 0, 0, 0 };
3106
3107 for (i = 0; i < 4; i++) {
3108 int width, height;
3109
3110 cvt = &(timing->data.other_data.data.cvt[i]);
3111
3112 if (!memcmp(cvt->code, empty, 3))
3113 continue;
3114
3115 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3116 switch (cvt->code[1] & 0x0c) {
3117 /* default - because compiler doesn't see that we've enumerated all cases */
3118 default:
3119 case 0x00:
3120 width = height * 4 / 3;
3121 break;
3122 case 0x04:
3123 width = height * 16 / 9;
3124 break;
3125 case 0x08:
3126 width = height * 16 / 10;
3127 break;
3128 case 0x0c:
3129 width = height * 15 / 9;
3130 break;
3131 }
3132
3133 for (j = 1; j < 5; j++) {
3134 if (cvt->code[2] & (1 << j)) {
3135 newmode = drm_cvt_mode(dev, width, height,
3136 rates[j], j == 0,
3137 false, false);
3138 if (newmode) {
3139 drm_mode_probed_add(connector, newmode);
3140 modes++;
3141 }
3142 }
3143 }
3144 }
3145
3146 return modes;
3147}
3148
3149static void
3150do_cvt_mode(struct detailed_timing *timing, void *c)
3151{
3152 struct detailed_mode_closure *closure = c;
3153
3154 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3155 return;
3156
3157 closure->modes += drm_cvt_modes(closure->connector, timing);
3158}
3159
3160static int
3161add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3162{
3163 struct detailed_mode_closure closure = {
3164 .connector = connector,
3165 .edid = edid,
3166 };
3167
3168 if (version_greater(edid, 1, 2))
3169 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3170
3171 /* XXX should also look for CVT codes in VTB blocks */
3172
3173 return closure.modes;
3174}
3175
3176static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3177
3178static void
3179do_detailed_mode(struct detailed_timing *timing, void *c)
3180{
3181 struct detailed_mode_closure *closure = c;
3182 struct drm_display_mode *newmode;
3183
3184 if (!is_detailed_timing_descriptor((const u8 *)timing))
3185 return;
3186
3187 newmode = drm_mode_detailed(closure->connector->dev,
3188 closure->edid, timing,
3189 closure->quirks);
3190 if (!newmode)
3191 return;
3192
3193 if (closure->preferred)
3194 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3195
3196 /*
3197 * Detailed modes are limited to 10kHz pixel clock resolution,
3198 * so fix up anything that looks like CEA/HDMI mode, but the clock
3199 * is just slightly off.
3200 */
3201 fixup_detailed_cea_mode_clock(newmode);
3202
3203 drm_mode_probed_add(closure->connector, newmode);
3204 closure->modes++;
3205 closure->preferred = false;
3206}
3207
3208/*
3209 * add_detailed_modes - Add modes from detailed timings
3210 * @connector: attached connector
3211 * @edid: EDID block to scan
3212 * @quirks: quirks to apply
3213 */
3214static int
3215add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3216 u32 quirks)
3217{
3218 struct detailed_mode_closure closure = {
3219 .connector = connector,
3220 .edid = edid,
3221 .preferred = true,
3222 .quirks = quirks,
3223 };
3224
3225 if (closure.preferred && !version_greater(edid, 1, 3))
3226 closure.preferred =
3227 (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3228
3229 drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3230
3231 return closure.modes;
3232}
3233
3234#define AUDIO_BLOCK 0x01
3235#define VIDEO_BLOCK 0x02
3236#define VENDOR_BLOCK 0x03
3237#define SPEAKER_BLOCK 0x04
3238#define HDR_STATIC_METADATA_BLOCK 0x6
3239#define USE_EXTENDED_TAG 0x07
3240#define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3241#define EXT_VIDEO_DATA_BLOCK_420 0x0E
3242#define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3243#define EDID_BASIC_AUDIO (1 << 6)
3244#define EDID_CEA_YCRCB444 (1 << 5)
3245#define EDID_CEA_YCRCB422 (1 << 4)
3246#define EDID_CEA_VCDB_QS (1 << 6)
3247
3248/*
3249 * Search EDID for CEA extension block.
3250 */
3251const u8 *drm_find_edid_extension(const struct edid *edid,
3252 int ext_id, int *ext_index)
3253{
3254 const u8 *edid_ext = NULL;
3255 int i;
3256
3257 /* No EDID or EDID extensions */
3258 if (edid == NULL || edid->extensions == 0)
3259 return NULL;
3260
3261 /* Find CEA extension */
3262 for (i = *ext_index; i < edid->extensions; i++) {
3263 edid_ext = (const u8 *)edid + EDID_LENGTH * (i + 1);
3264 if (edid_ext[0] == ext_id)
3265 break;
3266 }
3267
3268 if (i >= edid->extensions)
3269 return NULL;
3270
3271 *ext_index = i + 1;
3272
3273 return edid_ext;
3274}
3275
3276static const u8 *drm_find_cea_extension(const struct edid *edid)
3277{
3278 const struct displayid_block *block;
3279 struct displayid_iter iter;
3280 const u8 *cea;
3281 int ext_index = 0;
3282
3283 /* Look for a top level CEA extension block */
3284 /* FIXME: make callers iterate through multiple CEA ext blocks? */
3285 cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3286 if (cea)
3287 return cea;
3288
3289 /* CEA blocks can also be found embedded in a DisplayID block */
3290 displayid_iter_edid_begin(edid, &iter);
3291 displayid_iter_for_each(block, &iter) {
3292 if (block->tag == DATA_BLOCK_CTA) {
3293 cea = (const u8 *)block;
3294 break;
3295 }
3296 }
3297 displayid_iter_end(&iter);
3298
3299 return cea;
3300}
3301
3302static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3303{
3304 BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3305 BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3306
3307 if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3308 return &edid_cea_modes_1[vic - 1];
3309 if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3310 return &edid_cea_modes_193[vic - 193];
3311 return NULL;
3312}
3313
3314static u8 cea_num_vics(void)
3315{
3316 return 193 + ARRAY_SIZE(edid_cea_modes_193);
3317}
3318
3319static u8 cea_next_vic(u8 vic)
3320{
3321 if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3322 vic = 193;
3323 return vic;
3324}
3325
3326/*
3327 * Calculate the alternate clock for the CEA mode
3328 * (60Hz vs. 59.94Hz etc.)
3329 */
3330static unsigned int
3331cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3332{
3333 unsigned int clock = cea_mode->clock;
3334
3335 if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3336 return clock;
3337
3338 /*
3339 * edid_cea_modes contains the 59.94Hz
3340 * variant for 240 and 480 line modes,
3341 * and the 60Hz variant otherwise.
3342 */
3343 if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3344 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3345 else
3346 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3347
3348 return clock;
3349}
3350
3351static bool
3352cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3353{
3354 /*
3355 * For certain VICs the spec allows the vertical
3356 * front porch to vary by one or two lines.
3357 *
3358 * cea_modes[] stores the variant with the shortest
3359 * vertical front porch. We can adjust the mode to
3360 * get the other variants by simply increasing the
3361 * vertical front porch length.
3362 */
3363 BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3364 cea_mode_for_vic(9)->vtotal != 262 ||
3365 cea_mode_for_vic(12)->vtotal != 262 ||
3366 cea_mode_for_vic(13)->vtotal != 262 ||
3367 cea_mode_for_vic(23)->vtotal != 312 ||
3368 cea_mode_for_vic(24)->vtotal != 312 ||
3369 cea_mode_for_vic(27)->vtotal != 312 ||
3370 cea_mode_for_vic(28)->vtotal != 312);
3371
3372 if (((vic == 8 || vic == 9 ||
3373 vic == 12 || vic == 13) && mode->vtotal < 263) ||
3374 ((vic == 23 || vic == 24 ||
3375 vic == 27 || vic == 28) && mode->vtotal < 314)) {
3376 mode->vsync_start++;
3377 mode->vsync_end++;
3378 mode->vtotal++;
3379
3380 return true;
3381 }
3382
3383 return false;
3384}
3385
3386static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3387 unsigned int clock_tolerance)
3388{
3389 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3390 u8 vic;
3391
3392 if (!to_match->clock)
3393 return 0;
3394
3395 if (to_match->picture_aspect_ratio)
3396 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3397
3398 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3399 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3400 unsigned int clock1, clock2;
3401
3402 /* Check both 60Hz and 59.94Hz */
3403 clock1 = cea_mode.clock;
3404 clock2 = cea_mode_alternate_clock(&cea_mode);
3405
3406 if (abs(to_match->clock - clock1) > clock_tolerance &&
3407 abs(to_match->clock - clock2) > clock_tolerance)
3408 continue;
3409
3410 do {
3411 if (drm_mode_match(to_match, &cea_mode, match_flags))
3412 return vic;
3413 } while (cea_mode_alternate_timings(vic, &cea_mode));
3414 }
3415
3416 return 0;
3417}
3418
3419/**
3420 * drm_match_cea_mode - look for a CEA mode matching given mode
3421 * @to_match: display mode
3422 *
3423 * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3424 * mode.
3425 */
3426u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3427{
3428 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3429 u8 vic;
3430
3431 if (!to_match->clock)
3432 return 0;
3433
3434 if (to_match->picture_aspect_ratio)
3435 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3436
3437 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3438 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3439 unsigned int clock1, clock2;
3440
3441 /* Check both 60Hz and 59.94Hz */
3442 clock1 = cea_mode.clock;
3443 clock2 = cea_mode_alternate_clock(&cea_mode);
3444
3445 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3446 KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3447 continue;
3448
3449 do {
3450 if (drm_mode_match(to_match, &cea_mode, match_flags))
3451 return vic;
3452 } while (cea_mode_alternate_timings(vic, &cea_mode));
3453 }
3454
3455 return 0;
3456}
3457EXPORT_SYMBOL(drm_match_cea_mode);
3458
3459static bool drm_valid_cea_vic(u8 vic)
3460{
3461 return cea_mode_for_vic(vic) != NULL;
3462}
3463
3464static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3465{
3466 const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3467
3468 if (mode)
3469 return mode->picture_aspect_ratio;
3470
3471 return HDMI_PICTURE_ASPECT_NONE;
3472}
3473
3474static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3475{
3476 return edid_4k_modes[video_code].picture_aspect_ratio;
3477}
3478
3479/*
3480 * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3481 * specific block).
3482 */
3483static unsigned int
3484hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3485{
3486 return cea_mode_alternate_clock(hdmi_mode);
3487}
3488
3489static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3490 unsigned int clock_tolerance)
3491{
3492 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3493 u8 vic;
3494
3495 if (!to_match->clock)
3496 return 0;
3497
3498 if (to_match->picture_aspect_ratio)
3499 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3500
3501 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3502 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3503 unsigned int clock1, clock2;
3504
3505 /* Make sure to also match alternate clocks */
3506 clock1 = hdmi_mode->clock;
3507 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3508
3509 if (abs(to_match->clock - clock1) > clock_tolerance &&
3510 abs(to_match->clock - clock2) > clock_tolerance)
3511 continue;
3512
3513 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3514 return vic;
3515 }
3516
3517 return 0;
3518}
3519
3520/*
3521 * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3522 * @to_match: display mode
3523 *
3524 * An HDMI mode is one defined in the HDMI vendor specific block.
3525 *
3526 * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3527 */
3528static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3529{
3530 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3531 u8 vic;
3532
3533 if (!to_match->clock)
3534 return 0;
3535
3536 if (to_match->picture_aspect_ratio)
3537 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3538
3539 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3540 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3541 unsigned int clock1, clock2;
3542
3543 /* Make sure to also match alternate clocks */
3544 clock1 = hdmi_mode->clock;
3545 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3546
3547 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3548 KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3549 drm_mode_match(to_match, hdmi_mode, match_flags))
3550 return vic;
3551 }
3552 return 0;
3553}
3554
3555static bool drm_valid_hdmi_vic(u8 vic)
3556{
3557 return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3558}
3559
3560static int
3561add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3562{
3563 struct drm_device *dev = connector->dev;
3564 struct drm_display_mode *mode, *tmp;
3565 LIST_HEAD(list);
3566 int modes = 0;
3567
3568 /* Don't add CEA modes if the CEA extension block is missing */
3569 if (!drm_find_cea_extension(edid))
3570 return 0;
3571
3572 /*
3573 * Go through all probed modes and create a new mode
3574 * with the alternate clock for certain CEA modes.
3575 */
3576 list_for_each_entry(mode, &connector->probed_modes, head) {
3577 const struct drm_display_mode *cea_mode = NULL;
3578 struct drm_display_mode *newmode;
3579 u8 vic = drm_match_cea_mode(mode);
3580 unsigned int clock1, clock2;
3581
3582 if (drm_valid_cea_vic(vic)) {
3583 cea_mode = cea_mode_for_vic(vic);
3584 clock2 = cea_mode_alternate_clock(cea_mode);
3585 } else {
3586 vic = drm_match_hdmi_mode(mode);
3587 if (drm_valid_hdmi_vic(vic)) {
3588 cea_mode = &edid_4k_modes[vic];
3589 clock2 = hdmi_mode_alternate_clock(cea_mode);
3590 }
3591 }
3592
3593 if (!cea_mode)
3594 continue;
3595
3596 clock1 = cea_mode->clock;
3597
3598 if (clock1 == clock2)
3599 continue;
3600
3601 if (mode->clock != clock1 && mode->clock != clock2)
3602 continue;
3603
3604 newmode = drm_mode_duplicate(dev, cea_mode);
3605 if (!newmode)
3606 continue;
3607
3608 /* Carry over the stereo flags */
3609 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3610
3611 /*
3612 * The current mode could be either variant. Make
3613 * sure to pick the "other" clock for the new mode.
3614 */
3615 if (mode->clock != clock1)
3616 newmode->clock = clock1;
3617 else
3618 newmode->clock = clock2;
3619
3620 list_add_tail(&newmode->head, &list);
3621 }
3622
3623 list_for_each_entry_safe(mode, tmp, &list, head) {
3624 list_del(&mode->head);
3625 drm_mode_probed_add(connector, mode);
3626 modes++;
3627 }
3628
3629 return modes;
3630}
3631
3632static u8 svd_to_vic(u8 svd)
3633{
3634 /* 0-6 bit vic, 7th bit native mode indicator */
3635 if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192))
3636 return svd & 127;
3637
3638 return svd;
3639}
3640
3641static struct drm_display_mode *
3642drm_display_mode_from_vic_index(struct drm_connector *connector,
3643 const u8 *video_db, u8 video_len,
3644 u8 video_index)
3645{
3646 struct drm_device *dev = connector->dev;
3647 struct drm_display_mode *newmode;
3648 u8 vic;
3649
3650 if (video_db == NULL || video_index >= video_len)
3651 return NULL;
3652
3653 /* CEA modes are numbered 1..127 */
3654 vic = svd_to_vic(video_db[video_index]);
3655 if (!drm_valid_cea_vic(vic))
3656 return NULL;
3657
3658 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3659 if (!newmode)
3660 return NULL;
3661
3662 return newmode;
3663}
3664
3665/*
3666 * do_y420vdb_modes - Parse YCBCR 420 only modes
3667 * @connector: connector corresponding to the HDMI sink
3668 * @svds: start of the data block of CEA YCBCR 420 VDB
3669 * @len: length of the CEA YCBCR 420 VDB
3670 *
3671 * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3672 * which contains modes which can be supported in YCBCR 420
3673 * output format only.
3674 */
3675static int do_y420vdb_modes(struct drm_connector *connector,
3676 const u8 *svds, u8 svds_len)
3677{
3678 int modes = 0, i;
3679 struct drm_device *dev = connector->dev;
3680 struct drm_display_info *info = &connector->display_info;
3681 struct drm_hdmi_info *hdmi = &info->hdmi;
3682
3683 for (i = 0; i < svds_len; i++) {
3684 u8 vic = svd_to_vic(svds[i]);
3685 struct drm_display_mode *newmode;
3686
3687 if (!drm_valid_cea_vic(vic))
3688 continue;
3689
3690 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3691 if (!newmode)
3692 break;
3693 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3694 drm_mode_probed_add(connector, newmode);
3695 modes++;
3696 }
3697
3698 if (modes > 0)
3699 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3700 return modes;
3701}
3702
3703/*
3704 * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3705 * @connector: connector corresponding to the HDMI sink
3706 * @vic: CEA vic for the video mode to be added in the map
3707 *
3708 * Makes an entry for a videomode in the YCBCR 420 bitmap
3709 */
3710static void
3711drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3712{
3713 u8 vic = svd_to_vic(svd);
3714 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3715
3716 if (!drm_valid_cea_vic(vic))
3717 return;
3718
3719 bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3720}
3721
3722/**
3723 * drm_display_mode_from_cea_vic() - return a mode for CEA VIC
3724 * @dev: DRM device
3725 * @video_code: CEA VIC of the mode
3726 *
3727 * Creates a new mode matching the specified CEA VIC.
3728 *
3729 * Returns: A new drm_display_mode on success or NULL on failure
3730 */
3731struct drm_display_mode *
3732drm_display_mode_from_cea_vic(struct drm_device *dev,
3733 u8 video_code)
3734{
3735 const struct drm_display_mode *cea_mode;
3736 struct drm_display_mode *newmode;
3737
3738 cea_mode = cea_mode_for_vic(video_code);
3739 if (!cea_mode)
3740 return NULL;
3741
3742 newmode = drm_mode_duplicate(dev, cea_mode);
3743 if (!newmode)
3744 return NULL;
3745
3746 return newmode;
3747}
3748EXPORT_SYMBOL(drm_display_mode_from_cea_vic);
3749
3750static int
3751do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3752{
3753 int i, modes = 0;
3754 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3755
3756 for (i = 0; i < len; i++) {
3757 struct drm_display_mode *mode;
3758
3759 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3760 if (mode) {
3761 /*
3762 * YCBCR420 capability block contains a bitmap which
3763 * gives the index of CEA modes from CEA VDB, which
3764 * can support YCBCR 420 sampling output also (apart
3765 * from RGB/YCBCR444 etc).
3766 * For example, if the bit 0 in bitmap is set,
3767 * first mode in VDB can support YCBCR420 output too.
3768 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3769 */
3770 if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3771 drm_add_cmdb_modes(connector, db[i]);
3772
3773 drm_mode_probed_add(connector, mode);
3774 modes++;
3775 }
3776 }
3777
3778 return modes;
3779}
3780
3781struct stereo_mandatory_mode {
3782 int width, height, vrefresh;
3783 unsigned int flags;
3784};
3785
3786static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3787 { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3788 { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3789 { 1920, 1080, 50,
3790 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3791 { 1920, 1080, 60,
3792 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3793 { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3794 { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3795 { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3796 { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3797};
3798
3799static bool
3800stereo_match_mandatory(const struct drm_display_mode *mode,
3801 const struct stereo_mandatory_mode *stereo_mode)
3802{
3803 unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3804
3805 return mode->hdisplay == stereo_mode->width &&
3806 mode->vdisplay == stereo_mode->height &&
3807 interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3808 drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3809}
3810
3811static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3812{
3813 struct drm_device *dev = connector->dev;
3814 const struct drm_display_mode *mode;
3815 struct list_head stereo_modes;
3816 int modes = 0, i;
3817
3818 INIT_LIST_HEAD(&stereo_modes);
3819
3820 list_for_each_entry(mode, &connector->probed_modes, head) {
3821 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3822 const struct stereo_mandatory_mode *mandatory;
3823 struct drm_display_mode *new_mode;
3824
3825 if (!stereo_match_mandatory(mode,
3826 &stereo_mandatory_modes[i]))
3827 continue;
3828
3829 mandatory = &stereo_mandatory_modes[i];
3830 new_mode = drm_mode_duplicate(dev, mode);
3831 if (!new_mode)
3832 continue;
3833
3834 new_mode->flags |= mandatory->flags;
3835 list_add_tail(&new_mode->head, &stereo_modes);
3836 modes++;
3837 }
3838 }
3839
3840 list_splice_tail(&stereo_modes, &connector->probed_modes);
3841
3842 return modes;
3843}
3844
3845static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3846{
3847 struct drm_device *dev = connector->dev;
3848 struct drm_display_mode *newmode;
3849
3850 if (!drm_valid_hdmi_vic(vic)) {
3851 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3852 return 0;
3853 }
3854
3855 newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3856 if (!newmode)
3857 return 0;
3858
3859 drm_mode_probed_add(connector, newmode);
3860
3861 return 1;
3862}
3863
3864static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3865 const u8 *video_db, u8 video_len, u8 video_index)
3866{
3867 struct drm_display_mode *newmode;
3868 int modes = 0;
3869
3870 if (structure & (1 << 0)) {
3871 newmode = drm_display_mode_from_vic_index(connector, video_db,
3872 video_len,
3873 video_index);
3874 if (newmode) {
3875 newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3876 drm_mode_probed_add(connector, newmode);
3877 modes++;
3878 }
3879 }
3880 if (structure & (1 << 6)) {
3881 newmode = drm_display_mode_from_vic_index(connector, video_db,
3882 video_len,
3883 video_index);
3884 if (newmode) {
3885 newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3886 drm_mode_probed_add(connector, newmode);
3887 modes++;
3888 }
3889 }
3890 if (structure & (1 << 8)) {
3891 newmode = drm_display_mode_from_vic_index(connector, video_db,
3892 video_len,
3893 video_index);
3894 if (newmode) {
3895 newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3896 drm_mode_probed_add(connector, newmode);
3897 modes++;
3898 }
3899 }
3900
3901 return modes;
3902}
3903
3904/*
3905 * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3906 * @connector: connector corresponding to the HDMI sink
3907 * @db: start of the CEA vendor specific block
3908 * @len: length of the CEA block payload, ie. one can access up to db[len]
3909 *
3910 * Parses the HDMI VSDB looking for modes to add to @connector. This function
3911 * also adds the stereo 3d modes when applicable.
3912 */
3913static int
3914do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3915 const u8 *video_db, u8 video_len)
3916{
3917 struct drm_display_info *info = &connector->display_info;
3918 int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3919 u8 vic_len, hdmi_3d_len = 0;
3920 u16 mask;
3921 u16 structure_all;
3922
3923 if (len < 8)
3924 goto out;
3925
3926 /* no HDMI_Video_Present */
3927 if (!(db[8] & (1 << 5)))
3928 goto out;
3929
3930 /* Latency_Fields_Present */
3931 if (db[8] & (1 << 7))
3932 offset += 2;
3933
3934 /* I_Latency_Fields_Present */
3935 if (db[8] & (1 << 6))
3936 offset += 2;
3937
3938 /* the declared length is not long enough for the 2 first bytes
3939 * of additional video format capabilities */
3940 if (len < (8 + offset + 2))
3941 goto out;
3942
3943 /* 3D_Present */
3944 offset++;
3945 if (db[8 + offset] & (1 << 7)) {
3946 modes += add_hdmi_mandatory_stereo_modes(connector);
3947
3948 /* 3D_Multi_present */
3949 multi_present = (db[8 + offset] & 0x60) >> 5;
3950 }
3951
3952 offset++;
3953 vic_len = db[8 + offset] >> 5;
3954 hdmi_3d_len = db[8 + offset] & 0x1f;
3955
3956 for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3957 u8 vic;
3958
3959 vic = db[9 + offset + i];
3960 modes += add_hdmi_mode(connector, vic);
3961 }
3962 offset += 1 + vic_len;
3963
3964 if (multi_present == 1)
3965 multi_len = 2;
3966 else if (multi_present == 2)
3967 multi_len = 4;
3968 else
3969 multi_len = 0;
3970
3971 if (len < (8 + offset + hdmi_3d_len - 1))
3972 goto out;
3973
3974 if (hdmi_3d_len < multi_len)
3975 goto out;
3976
3977 if (multi_present == 1 || multi_present == 2) {
3978 /* 3D_Structure_ALL */
3979 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3980
3981 /* check if 3D_MASK is present */
3982 if (multi_present == 2)
3983 mask = (db[10 + offset] << 8) | db[11 + offset];
3984 else
3985 mask = 0xffff;
3986
3987 for (i = 0; i < 16; i++) {
3988 if (mask & (1 << i))
3989 modes += add_3d_struct_modes(connector,
3990 structure_all,
3991 video_db,
3992 video_len, i);
3993 }
3994 }
3995
3996 offset += multi_len;
3997
3998 for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3999 int vic_index;
4000 struct drm_display_mode *newmode = NULL;
4001 unsigned int newflag = 0;
4002 bool detail_present;
4003
4004 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
4005
4006 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
4007 break;
4008
4009 /* 2D_VIC_order_X */
4010 vic_index = db[8 + offset + i] >> 4;
4011
4012 /* 3D_Structure_X */
4013 switch (db[8 + offset + i] & 0x0f) {
4014 case 0:
4015 newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4016 break;
4017 case 6:
4018 newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4019 break;
4020 case 8:
4021 /* 3D_Detail_X */
4022 if ((db[9 + offset + i] >> 4) == 1)
4023 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4024 break;
4025 }
4026
4027 if (newflag != 0) {
4028 newmode = drm_display_mode_from_vic_index(connector,
4029 video_db,
4030 video_len,
4031 vic_index);
4032
4033 if (newmode) {
4034 newmode->flags |= newflag;
4035 drm_mode_probed_add(connector, newmode);
4036 modes++;
4037 }
4038 }
4039
4040 if (detail_present)
4041 i++;
4042 }
4043
4044out:
4045 if (modes > 0)
4046 info->has_hdmi_infoframe = true;
4047 return modes;
4048}
4049
4050static int
4051cea_db_payload_len(const u8 *db)
4052{
4053 return db[0] & 0x1f;
4054}
4055
4056static int
4057cea_db_extended_tag(const u8 *db)
4058{
4059 return db[1];
4060}
4061
4062static int
4063cea_db_tag(const u8 *db)
4064{
4065 return db[0] >> 5;
4066}
4067
4068static int
4069cea_revision(const u8 *cea)
4070{
4071 /*
4072 * FIXME is this correct for the DispID variant?
4073 * The DispID spec doesn't really specify whether
4074 * this is the revision of the CEA extension or
4075 * the DispID CEA data block. And the only value
4076 * given as an example is 0.
4077 */
4078 return cea[1];
4079}
4080
4081static int
4082cea_db_offsets(const u8 *cea, int *start, int *end)
4083{
4084 /* DisplayID CTA extension blocks and top-level CEA EDID
4085 * block header definitions differ in the following bytes:
4086 * 1) Byte 2 of the header specifies length differently,
4087 * 2) Byte 3 is only present in the CEA top level block.
4088 *
4089 * The different definitions for byte 2 follow.
4090 *
4091 * DisplayID CTA extension block defines byte 2 as:
4092 * Number of payload bytes
4093 *
4094 * CEA EDID block defines byte 2 as:
4095 * Byte number (decimal) within this block where the 18-byte
4096 * DTDs begin. If no non-DTD data is present in this extension
4097 * block, the value should be set to 04h (the byte after next).
4098 * If set to 00h, there are no DTDs present in this block and
4099 * no non-DTD data.
4100 */
4101 if (cea[0] == DATA_BLOCK_CTA) {
4102 /*
4103 * for_each_displayid_db() has already verified
4104 * that these stay within expected bounds.
4105 */
4106 *start = 3;
4107 *end = *start + cea[2];
4108 } else if (cea[0] == CEA_EXT) {
4109 /* Data block offset in CEA extension block */
4110 *start = 4;
4111 *end = cea[2];
4112 if (*end == 0)
4113 *end = 127;
4114 if (*end < 4 || *end > 127)
4115 return -ERANGE;
4116 } else {
4117 return -EOPNOTSUPP;
4118 }
4119
4120 return 0;
4121}
4122
4123static bool cea_db_is_hdmi_vsdb(const u8 *db)
4124{
4125 int hdmi_id;
4126
4127 if (cea_db_tag(db) != VENDOR_BLOCK)
4128 return false;
4129
4130 if (cea_db_payload_len(db) < 5)
4131 return false;
4132
4133 hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4134
4135 return hdmi_id == HDMI_IEEE_OUI;
4136}
4137
4138static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4139{
4140 unsigned int oui;
4141
4142 if (cea_db_tag(db) != VENDOR_BLOCK)
4143 return false;
4144
4145 if (cea_db_payload_len(db) < 7)
4146 return false;
4147
4148 oui = db[3] << 16 | db[2] << 8 | db[1];
4149
4150 return oui == HDMI_FORUM_IEEE_OUI;
4151}
4152
4153static bool cea_db_is_vcdb(const u8 *db)
4154{
4155 if (cea_db_tag(db) != USE_EXTENDED_TAG)
4156 return false;
4157
4158 if (cea_db_payload_len(db) != 2)
4159 return false;
4160
4161 if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4162 return false;
4163
4164 return true;
4165}
4166
4167static bool cea_db_is_y420cmdb(const u8 *db)
4168{
4169 if (cea_db_tag(db) != USE_EXTENDED_TAG)
4170 return false;
4171
4172 if (!cea_db_payload_len(db))
4173 return false;
4174
4175 if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4176 return false;
4177
4178 return true;
4179}
4180
4181static bool cea_db_is_y420vdb(const u8 *db)
4182{
4183 if (cea_db_tag(db) != USE_EXTENDED_TAG)
4184 return false;
4185
4186 if (!cea_db_payload_len(db))
4187 return false;
4188
4189 if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4190 return false;
4191
4192 return true;
4193}
4194
4195#define for_each_cea_db(cea, i, start, end) \
4196 for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4197
4198static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4199 const u8 *db)
4200{
4201 struct drm_display_info *info = &connector->display_info;
4202 struct drm_hdmi_info *hdmi = &info->hdmi;
4203 u8 map_len = cea_db_payload_len(db) - 1;
4204 u8 count;
4205 u64 map = 0;
4206
4207 if (map_len == 0) {
4208 /* All CEA modes support ycbcr420 sampling also.*/
4209 hdmi->y420_cmdb_map = U64_MAX;
4210 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4211 return;
4212 }
4213
4214 /*
4215 * This map indicates which of the existing CEA block modes
4216 * from VDB can support YCBCR420 output too. So if bit=0 is
4217 * set, first mode from VDB can support YCBCR420 output too.
4218 * We will parse and keep this map, before parsing VDB itself
4219 * to avoid going through the same block again and again.
4220 *
4221 * Spec is not clear about max possible size of this block.
4222 * Clamping max bitmap block size at 8 bytes. Every byte can
4223 * address 8 CEA modes, in this way this map can address
4224 * 8*8 = first 64 SVDs.
4225 */
4226 if (WARN_ON_ONCE(map_len > 8))
4227 map_len = 8;
4228
4229 for (count = 0; count < map_len; count++)
4230 map |= (u64)db[2 + count] << (8 * count);
4231
4232 if (map)
4233 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4234
4235 hdmi->y420_cmdb_map = map;
4236}
4237
4238static int
4239add_cea_modes(struct drm_connector *connector, struct edid *edid)
4240{
4241 const u8 *cea = drm_find_cea_extension(edid);
4242 const u8 *db, *hdmi = NULL, *video = NULL;
4243 u8 dbl, hdmi_len, video_len = 0;
4244 int modes = 0;
4245
4246 if (cea && cea_revision(cea) >= 3) {
4247 int i, start, end;
4248
4249 if (cea_db_offsets(cea, &start, &end))
4250 return 0;
4251
4252 for_each_cea_db(cea, i, start, end) {
4253 db = &cea[i];
4254 dbl = cea_db_payload_len(db);
4255
4256 if (cea_db_tag(db) == VIDEO_BLOCK) {
4257 video = db + 1;
4258 video_len = dbl;
4259 modes += do_cea_modes(connector, video, dbl);
4260 } else if (cea_db_is_hdmi_vsdb(db)) {
4261 hdmi = db;
4262 hdmi_len = dbl;
4263 } else if (cea_db_is_y420vdb(db)) {
4264 const u8 *vdb420 = &db[2];
4265
4266 /* Add 4:2:0(only) modes present in EDID */
4267 modes += do_y420vdb_modes(connector,
4268 vdb420,
4269 dbl - 1);
4270 }
4271 }
4272 }
4273
4274 /*
4275 * We parse the HDMI VSDB after having added the cea modes as we will
4276 * be patching their flags when the sink supports stereo 3D.
4277 */
4278 if (hdmi)
4279 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4280 video_len);
4281
4282 return modes;
4283}
4284
4285static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4286{
4287 const struct drm_display_mode *cea_mode;
4288 int clock1, clock2, clock;
4289 u8 vic;
4290 const char *type;
4291
4292 /*
4293 * allow 5kHz clock difference either way to account for
4294 * the 10kHz clock resolution limit of detailed timings.
4295 */
4296 vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4297 if (drm_valid_cea_vic(vic)) {
4298 type = "CEA";
4299 cea_mode = cea_mode_for_vic(vic);
4300 clock1 = cea_mode->clock;
4301 clock2 = cea_mode_alternate_clock(cea_mode);
4302 } else {
4303 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4304 if (drm_valid_hdmi_vic(vic)) {
4305 type = "HDMI";
4306 cea_mode = &edid_4k_modes[vic];
4307 clock1 = cea_mode->clock;
4308 clock2 = hdmi_mode_alternate_clock(cea_mode);
4309 } else {
4310 return;
4311 }
4312 }
4313
4314 /* pick whichever is closest */
4315 if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4316 clock = clock1;
4317 else
4318 clock = clock2;
4319
4320 if (mode->clock == clock)
4321 return;
4322
4323 DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4324 type, vic, mode->clock, clock);
4325 mode->clock = clock;
4326}
4327
4328static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4329{
4330 if (cea_db_tag(db) != USE_EXTENDED_TAG)
4331 return false;
4332
4333 if (db[1] != HDR_STATIC_METADATA_BLOCK)
4334 return false;
4335
4336 if (cea_db_payload_len(db) < 3)
4337 return false;
4338
4339 return true;
4340}
4341
4342static uint8_t eotf_supported(const u8 *edid_ext)
4343{
4344 return edid_ext[2] &
4345 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4346 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4347 BIT(HDMI_EOTF_SMPTE_ST2084) |
4348 BIT(HDMI_EOTF_BT_2100_HLG));
4349}
4350
4351static uint8_t hdr_metadata_type(const u8 *edid_ext)
4352{
4353 return edid_ext[3] &
4354 BIT(HDMI_STATIC_METADATA_TYPE1);
4355}
4356
4357static void
4358drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4359{
4360 u16 len;
4361
4362 len = cea_db_payload_len(db);
4363
4364 connector->hdr_sink_metadata.hdmi_type1.eotf =
4365 eotf_supported(db);
4366 connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4367 hdr_metadata_type(db);
4368
4369 if (len >= 4)
4370 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4371 if (len >= 5)
4372 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4373 if (len >= 6)
4374 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4375}
4376
4377static void
4378drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4379{
4380 u8 len = cea_db_payload_len(db);
4381
4382 if (len >= 6 && (db[6] & (1 << 7)))
4383 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4384 if (len >= 8) {
4385 connector->latency_present[0] = db[8] >> 7;
4386 connector->latency_present[1] = (db[8] >> 6) & 1;
4387 }
4388 if (len >= 9)
4389 connector->video_latency[0] = db[9];
4390 if (len >= 10)
4391 connector->audio_latency[0] = db[10];
4392 if (len >= 11)
4393 connector->video_latency[1] = db[11];
4394 if (len >= 12)
4395 connector->audio_latency[1] = db[12];
4396
4397 DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4398 "video latency %d %d, "
4399 "audio latency %d %d\n",
4400 connector->latency_present[0],
4401 connector->latency_present[1],
4402 connector->video_latency[0],
4403 connector->video_latency[1],
4404 connector->audio_latency[0],
4405 connector->audio_latency[1]);
4406}
4407
4408static void
4409monitor_name(struct detailed_timing *t, void *data)
4410{
4411 if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4412 return;
4413
4414 *(u8 **)data = t->data.other_data.data.str.str;
4415}
4416
4417static int get_monitor_name(struct edid *edid, char name[13])
4418{
4419 char *edid_name = NULL;
4420 int mnl;
4421
4422 if (!edid || !name)
4423 return 0;
4424
4425 drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4426 for (mnl = 0; edid_name && mnl < 13; mnl++) {
4427 if (edid_name[mnl] == 0x0a)
4428 break;
4429
4430 name[mnl] = edid_name[mnl];
4431 }
4432
4433 return mnl;
4434}
4435
4436/**
4437 * drm_edid_get_monitor_name - fetch the monitor name from the edid
4438 * @edid: monitor EDID information
4439 * @name: pointer to a character array to hold the name of the monitor
4440 * @bufsize: The size of the name buffer (should be at least 14 chars.)
4441 *
4442 */
4443void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4444{
4445 int name_length;
4446 char buf[13];
4447
4448 if (bufsize <= 0)
4449 return;
4450
4451 name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4452 memcpy(name, buf, name_length);
4453 name[name_length] = '\0';
4454}
4455EXPORT_SYMBOL(drm_edid_get_monitor_name);
4456
4457static void clear_eld(struct drm_connector *connector)
4458{
4459 memset(connector->eld, 0, sizeof(connector->eld));
4460
4461 connector->latency_present[0] = false;
4462 connector->latency_present[1] = false;
4463 connector->video_latency[0] = 0;
4464 connector->audio_latency[0] = 0;
4465 connector->video_latency[1] = 0;
4466 connector->audio_latency[1] = 0;
4467}
4468
4469/*
4470 * drm_edid_to_eld - build ELD from EDID
4471 * @connector: connector corresponding to the HDMI/DP sink
4472 * @edid: EDID to parse
4473 *
4474 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4475 * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4476 */
4477static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4478{
4479 uint8_t *eld = connector->eld;
4480 const u8 *cea;
4481 const u8 *db;
4482 int total_sad_count = 0;
4483 int mnl;
4484 int dbl;
4485
4486 clear_eld(connector);
4487
4488 if (!edid)
4489 return;
4490
4491 cea = drm_find_cea_extension(edid);
4492 if (!cea) {
4493 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4494 return;
4495 }
4496
4497 mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4498 DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4499
4500 eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4501 eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4502
4503 eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4504
4505 eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4506 eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4507 eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4508 eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4509
4510 if (cea_revision(cea) >= 3) {
4511 int i, start, end;
4512 int sad_count;
4513
4514 if (cea_db_offsets(cea, &start, &end)) {
4515 start = 0;
4516 end = 0;
4517 }
4518
4519 for_each_cea_db(cea, i, start, end) {
4520 db = &cea[i];
4521 dbl = cea_db_payload_len(db);
4522
4523 switch (cea_db_tag(db)) {
4524 case AUDIO_BLOCK:
4525 /* Audio Data Block, contains SADs */
4526 sad_count = min(dbl / 3, 15 - total_sad_count);
4527 if (sad_count >= 1)
4528 memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4529 &db[1], sad_count * 3);
4530 total_sad_count += sad_count;
4531 break;
4532 case SPEAKER_BLOCK:
4533 /* Speaker Allocation Data Block */
4534 if (dbl >= 1)
4535 eld[DRM_ELD_SPEAKER] = db[1];
4536 break;
4537 case VENDOR_BLOCK:
4538 /* HDMI Vendor-Specific Data Block */
4539 if (cea_db_is_hdmi_vsdb(db))
4540 drm_parse_hdmi_vsdb_audio(connector, db);
4541 break;
4542 default:
4543 break;
4544 }
4545 }
4546 }
4547 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4548
4549 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4550 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4551 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4552 else
4553 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4554
4555 eld[DRM_ELD_BASELINE_ELD_LEN] =
4556 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4557
4558 DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4559 drm_eld_size(eld), total_sad_count);
4560}
4561
4562/**
4563 * drm_edid_to_sad - extracts SADs from EDID
4564 * @edid: EDID to parse
4565 * @sads: pointer that will be set to the extracted SADs
4566 *
4567 * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4568 *
4569 * Note: The returned pointer needs to be freed using kfree().
4570 *
4571 * Return: The number of found SADs or negative number on error.
4572 */
4573int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4574{
4575 int count = 0;
4576 int i, start, end, dbl;
4577 const u8 *cea;
4578
4579 cea = drm_find_cea_extension(edid);
4580 if (!cea) {
4581 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4582 return 0;
4583 }
4584
4585 if (cea_revision(cea) < 3) {
4586 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4587 return 0;
4588 }
4589
4590 if (cea_db_offsets(cea, &start, &end)) {
4591 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4592 return -EPROTO;
4593 }
4594
4595 for_each_cea_db(cea, i, start, end) {
4596 const u8 *db = &cea[i];
4597
4598 if (cea_db_tag(db) == AUDIO_BLOCK) {
4599 int j;
4600
4601 dbl = cea_db_payload_len(db);
4602
4603 count = dbl / 3; /* SAD is 3B */
4604 *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4605 if (!*sads)
4606 return -ENOMEM;
4607 for (j = 0; j < count; j++) {
4608 const u8 *sad = &db[1 + j * 3];
4609
4610 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4611 (*sads)[j].channels = sad[0] & 0x7;
4612 (*sads)[j].freq = sad[1] & 0x7F;
4613 (*sads)[j].byte2 = sad[2];
4614 }
4615 break;
4616 }
4617 }
4618
4619 return count;
4620}
4621EXPORT_SYMBOL(drm_edid_to_sad);
4622
4623/**
4624 * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4625 * @edid: EDID to parse
4626 * @sadb: pointer to the speaker block
4627 *
4628 * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4629 *
4630 * Note: The returned pointer needs to be freed using kfree().
4631 *
4632 * Return: The number of found Speaker Allocation Blocks or negative number on
4633 * error.
4634 */
4635int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4636{
4637 int count = 0;
4638 int i, start, end, dbl;
4639 const u8 *cea;
4640
4641 cea = drm_find_cea_extension(edid);
4642 if (!cea) {
4643 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4644 return 0;
4645 }
4646
4647 if (cea_revision(cea) < 3) {
4648 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4649 return 0;
4650 }
4651
4652 if (cea_db_offsets(cea, &start, &end)) {
4653 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4654 return -EPROTO;
4655 }
4656
4657 for_each_cea_db(cea, i, start, end) {
4658 const u8 *db = &cea[i];
4659
4660 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4661 dbl = cea_db_payload_len(db);
4662
4663 /* Speaker Allocation Data Block */
4664 if (dbl == 3) {
4665 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4666 if (!*sadb)
4667 return -ENOMEM;
4668 count = dbl;
4669 break;
4670 }
4671 }
4672 }
4673
4674 return count;
4675}
4676EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4677
4678/**
4679 * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4680 * @connector: connector associated with the HDMI/DP sink
4681 * @mode: the display mode
4682 *
4683 * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4684 * the sink doesn't support audio or video.
4685 */
4686int drm_av_sync_delay(struct drm_connector *connector,
4687 const struct drm_display_mode *mode)
4688{
4689 int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4690 int a, v;
4691
4692 if (!connector->latency_present[0])
4693 return 0;
4694 if (!connector->latency_present[1])
4695 i = 0;
4696
4697 a = connector->audio_latency[i];
4698 v = connector->video_latency[i];
4699
4700 /*
4701 * HDMI/DP sink doesn't support audio or video?
4702 */
4703 if (a == 255 || v == 255)
4704 return 0;
4705
4706 /*
4707 * Convert raw EDID values to millisecond.
4708 * Treat unknown latency as 0ms.
4709 */
4710 if (a)
4711 a = min(2 * (a - 1), 500);
4712 if (v)
4713 v = min(2 * (v - 1), 500);
4714
4715 return max(v - a, 0);
4716}
4717EXPORT_SYMBOL(drm_av_sync_delay);
4718
4719/**
4720 * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4721 * @edid: monitor EDID information
4722 *
4723 * Parse the CEA extension according to CEA-861-B.
4724 *
4725 * Drivers that have added the modes parsed from EDID to drm_display_info
4726 * should use &drm_display_info.is_hdmi instead of calling this function.
4727 *
4728 * Return: True if the monitor is HDMI, false if not or unknown.
4729 */
4730bool drm_detect_hdmi_monitor(struct edid *edid)
4731{
4732 const u8 *edid_ext;
4733 int i;
4734 int start_offset, end_offset;
4735
4736 edid_ext = drm_find_cea_extension(edid);
4737 if (!edid_ext)
4738 return false;
4739
4740 if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4741 return false;
4742
4743 /*
4744 * Because HDMI identifier is in Vendor Specific Block,
4745 * search it from all data blocks of CEA extension.
4746 */
4747 for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4748 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4749 return true;
4750 }
4751
4752 return false;
4753}
4754EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4755
4756/**
4757 * drm_detect_monitor_audio - check monitor audio capability
4758 * @edid: EDID block to scan
4759 *
4760 * Monitor should have CEA extension block.
4761 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4762 * audio' only. If there is any audio extension block and supported
4763 * audio format, assume at least 'basic audio' support, even if 'basic
4764 * audio' is not defined in EDID.
4765 *
4766 * Return: True if the monitor supports audio, false otherwise.
4767 */
4768bool drm_detect_monitor_audio(struct edid *edid)
4769{
4770 const u8 *edid_ext;
4771 int i, j;
4772 bool has_audio = false;
4773 int start_offset, end_offset;
4774
4775 edid_ext = drm_find_cea_extension(edid);
4776 if (!edid_ext)
4777 goto end;
4778
4779 has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4780
4781 if (has_audio) {
4782 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4783 goto end;
4784 }
4785
4786 if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4787 goto end;
4788
4789 for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4790 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4791 has_audio = true;
4792 for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4793 DRM_DEBUG_KMS("CEA audio format %d\n",
4794 (edid_ext[i + j] >> 3) & 0xf);
4795 goto end;
4796 }
4797 }
4798end:
4799 return has_audio;
4800}
4801EXPORT_SYMBOL(drm_detect_monitor_audio);
4802
4803
4804/**
4805 * drm_default_rgb_quant_range - default RGB quantization range
4806 * @mode: display mode
4807 *
4808 * Determine the default RGB quantization range for the mode,
4809 * as specified in CEA-861.
4810 *
4811 * Return: The default RGB quantization range for the mode
4812 */
4813enum hdmi_quantization_range
4814drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4815{
4816 /* All CEA modes other than VIC 1 use limited quantization range. */
4817 return drm_match_cea_mode(mode) > 1 ?
4818 HDMI_QUANTIZATION_RANGE_LIMITED :
4819 HDMI_QUANTIZATION_RANGE_FULL;
4820}
4821EXPORT_SYMBOL(drm_default_rgb_quant_range);
4822
4823static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4824{
4825 struct drm_display_info *info = &connector->display_info;
4826
4827 DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4828
4829 if (db[2] & EDID_CEA_VCDB_QS)
4830 info->rgb_quant_range_selectable = true;
4831}
4832
4833static
4834void drm_get_max_frl_rate(int max_frl_rate, u8 *max_lanes, u8 *max_rate_per_lane)
4835{
4836 switch (max_frl_rate) {
4837 case 1:
4838 *max_lanes = 3;
4839 *max_rate_per_lane = 3;
4840 break;
4841 case 2:
4842 *max_lanes = 3;
4843 *max_rate_per_lane = 6;
4844 break;
4845 case 3:
4846 *max_lanes = 4;
4847 *max_rate_per_lane = 6;
4848 break;
4849 case 4:
4850 *max_lanes = 4;
4851 *max_rate_per_lane = 8;
4852 break;
4853 case 5:
4854 *max_lanes = 4;
4855 *max_rate_per_lane = 10;
4856 break;
4857 case 6:
4858 *max_lanes = 4;
4859 *max_rate_per_lane = 12;
4860 break;
4861 case 0:
4862 default:
4863 *max_lanes = 0;
4864 *max_rate_per_lane = 0;
4865 }
4866}
4867
4868static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4869 const u8 *db)
4870{
4871 u8 dc_mask;
4872 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4873
4874 dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4875 hdmi->y420_dc_modes = dc_mask;
4876}
4877
4878static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4879 const u8 *hf_vsdb)
4880{
4881 struct drm_display_info *display = &connector->display_info;
4882 struct drm_hdmi_info *hdmi = &display->hdmi;
4883
4884 display->has_hdmi_infoframe = true;
4885
4886 if (hf_vsdb[6] & 0x80) {
4887 hdmi->scdc.supported = true;
4888 if (hf_vsdb[6] & 0x40)
4889 hdmi->scdc.read_request = true;
4890 }
4891
4892 /*
4893 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4894 * And as per the spec, three factors confirm this:
4895 * * Availability of a HF-VSDB block in EDID (check)
4896 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4897 * * SCDC support available (let's check)
4898 * Lets check it out.
4899 */
4900
4901 if (hf_vsdb[5]) {
4902 /* max clock is 5000 KHz times block value */
4903 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4904 struct drm_scdc *scdc = &hdmi->scdc;
4905
4906 if (max_tmds_clock > 340000) {
4907 display->max_tmds_clock = max_tmds_clock;
4908 DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4909 display->max_tmds_clock);
4910 }
4911
4912 if (scdc->supported) {
4913 scdc->scrambling.supported = true;
4914
4915 /* Few sinks support scrambling for clocks < 340M */
4916 if ((hf_vsdb[6] & 0x8))
4917 scdc->scrambling.low_rates = true;
4918 }
4919 }
4920
4921 if (hf_vsdb[7]) {
4922 u8 max_frl_rate;
4923 u8 dsc_max_frl_rate;
4924 u8 dsc_max_slices;
4925 struct drm_hdmi_dsc_cap *hdmi_dsc = &hdmi->dsc_cap;
4926
4927 DRM_DEBUG_KMS("hdmi_21 sink detected. parsing edid\n");
4928 max_frl_rate = (hf_vsdb[7] & DRM_EDID_MAX_FRL_RATE_MASK) >> 4;
4929 drm_get_max_frl_rate(max_frl_rate, &hdmi->max_lanes,
4930 &hdmi->max_frl_rate_per_lane);
4931 hdmi_dsc->v_1p2 = hf_vsdb[11] & DRM_EDID_DSC_1P2;
4932
4933 if (hdmi_dsc->v_1p2) {
4934 hdmi_dsc->native_420 = hf_vsdb[11] & DRM_EDID_DSC_NATIVE_420;
4935 hdmi_dsc->all_bpp = hf_vsdb[11] & DRM_EDID_DSC_ALL_BPP;
4936
4937 if (hf_vsdb[11] & DRM_EDID_DSC_16BPC)
4938 hdmi_dsc->bpc_supported = 16;
4939 else if (hf_vsdb[11] & DRM_EDID_DSC_12BPC)
4940 hdmi_dsc->bpc_supported = 12;
4941 else if (hf_vsdb[11] & DRM_EDID_DSC_10BPC)
4942 hdmi_dsc->bpc_supported = 10;
4943 else
4944 hdmi_dsc->bpc_supported = 0;
4945
4946 dsc_max_frl_rate = (hf_vsdb[12] & DRM_EDID_DSC_MAX_FRL_RATE_MASK) >> 4;
4947 drm_get_max_frl_rate(dsc_max_frl_rate, &hdmi_dsc->max_lanes,
4948 &hdmi_dsc->max_frl_rate_per_lane);
4949 hdmi_dsc->total_chunk_kbytes = hf_vsdb[13] & DRM_EDID_DSC_TOTAL_CHUNK_KBYTES;
4950
4951 dsc_max_slices = hf_vsdb[12] & DRM_EDID_DSC_MAX_SLICES;
4952 switch (dsc_max_slices) {
4953 case 1:
4954 hdmi_dsc->max_slices = 1;
4955 hdmi_dsc->clk_per_slice = 340;
4956 break;
4957 case 2:
4958 hdmi_dsc->max_slices = 2;
4959 hdmi_dsc->clk_per_slice = 340;
4960 break;
4961 case 3:
4962 hdmi_dsc->max_slices = 4;
4963 hdmi_dsc->clk_per_slice = 340;
4964 break;
4965 case 4:
4966 hdmi_dsc->max_slices = 8;
4967 hdmi_dsc->clk_per_slice = 340;
4968 break;
4969 case 5:
4970 hdmi_dsc->max_slices = 8;
4971 hdmi_dsc->clk_per_slice = 400;
4972 break;
4973 case 6:
4974 hdmi_dsc->max_slices = 12;
4975 hdmi_dsc->clk_per_slice = 400;
4976 break;
4977 case 7:
4978 hdmi_dsc->max_slices = 16;
4979 hdmi_dsc->clk_per_slice = 400;
4980 break;
4981 case 0:
4982 default:
4983 hdmi_dsc->max_slices = 0;
4984 hdmi_dsc->clk_per_slice = 0;
4985 }
4986 }
4987 }
4988
4989 drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4990}
4991
4992static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4993 const u8 *hdmi)
4994{
4995 struct drm_display_info *info = &connector->display_info;
4996 unsigned int dc_bpc = 0;
4997
4998 /* HDMI supports at least 8 bpc */
4999 info->bpc = 8;
5000
5001 if (cea_db_payload_len(hdmi) < 6)
5002 return;
5003
5004 if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
5005 dc_bpc = 10;
5006 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
5007 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
5008 connector->name);
5009 }
5010
5011 if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
5012 dc_bpc = 12;
5013 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
5014 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
5015 connector->name);
5016 }
5017
5018 if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
5019 dc_bpc = 16;
5020 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
5021 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
5022 connector->name);
5023 }
5024
5025 if (dc_bpc == 0) {
5026 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
5027 connector->name);
5028 return;
5029 }
5030
5031 DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
5032 connector->name, dc_bpc);
5033 info->bpc = dc_bpc;
5034
5035 /*
5036 * Deep color support mandates RGB444 support for all video
5037 * modes and forbids YCRCB422 support for all video modes per
5038 * HDMI 1.3 spec.
5039 */
5040 info->color_formats = DRM_COLOR_FORMAT_RGB444;
5041
5042 /* YCRCB444 is optional according to spec. */
5043 if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
5044 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5045 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
5046 connector->name);
5047 }
5048
5049 /*
5050 * Spec says that if any deep color mode is supported at all,
5051 * then deep color 36 bit must be supported.
5052 */
5053 if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
5054 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
5055 connector->name);
5056 }
5057}
5058
5059static void
5060drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
5061{
5062 struct drm_display_info *info = &connector->display_info;
5063 u8 len = cea_db_payload_len(db);
5064
5065 info->is_hdmi = true;
5066
5067 if (len >= 6)
5068 info->dvi_dual = db[6] & 1;
5069 if (len >= 7)
5070 info->max_tmds_clock = db[7] * 5000;
5071
5072 DRM_DEBUG_KMS("HDMI: DVI dual %d, "
5073 "max TMDS clock %d kHz\n",
5074 info->dvi_dual,
5075 info->max_tmds_clock);
5076
5077 drm_parse_hdmi_deep_color_info(connector, db);
5078}
5079
5080static void drm_parse_cea_ext(struct drm_connector *connector,
5081 const struct edid *edid)
5082{
5083 struct drm_display_info *info = &connector->display_info;
5084 const u8 *edid_ext;
5085 int i, start, end;
5086
5087 edid_ext = drm_find_cea_extension(edid);
5088 if (!edid_ext)
5089 return;
5090
5091 info->cea_rev = edid_ext[1];
5092
5093 /* The existence of a CEA block should imply RGB support */
5094 info->color_formats = DRM_COLOR_FORMAT_RGB444;
5095 if (edid_ext[3] & EDID_CEA_YCRCB444)
5096 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5097 if (edid_ext[3] & EDID_CEA_YCRCB422)
5098 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5099
5100 if (cea_db_offsets(edid_ext, &start, &end))
5101 return;
5102
5103 for_each_cea_db(edid_ext, i, start, end) {
5104 const u8 *db = &edid_ext[i];
5105
5106 if (cea_db_is_hdmi_vsdb(db))
5107 drm_parse_hdmi_vsdb_video(connector, db);
5108 if (cea_db_is_hdmi_forum_vsdb(db))
5109 drm_parse_hdmi_forum_vsdb(connector, db);
5110 if (cea_db_is_y420cmdb(db))
5111 drm_parse_y420cmdb_bitmap(connector, db);
5112 if (cea_db_is_vcdb(db))
5113 drm_parse_vcdb(connector, db);
5114 if (cea_db_is_hdmi_hdr_metadata_block(db))
5115 drm_parse_hdr_metadata_block(connector, db);
5116 }
5117}
5118
5119static
5120void get_monitor_range(struct detailed_timing *timing,
5121 void *info_monitor_range)
5122{
5123 struct drm_monitor_range_info *monitor_range = info_monitor_range;
5124 const struct detailed_non_pixel *data = &timing->data.other_data;
5125 const struct detailed_data_monitor_range *range = &data->data.range;
5126
5127 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5128 return;
5129
5130 /*
5131 * Check for flag range limits only. If flag == 1 then
5132 * no additional timing information provided.
5133 * Default GTF, GTF Secondary curve and CVT are not
5134 * supported
5135 */
5136 if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5137 return;
5138
5139 monitor_range->min_vfreq = range->min_vfreq;
5140 monitor_range->max_vfreq = range->max_vfreq;
5141}
5142
5143static
5144void drm_get_monitor_range(struct drm_connector *connector,
5145 const struct edid *edid)
5146{
5147 struct drm_display_info *info = &connector->display_info;
5148
5149 if (!version_greater(edid, 1, 1))
5150 return;
5151
5152 drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5153 &info->monitor_range);
5154
5155 DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5156 info->monitor_range.min_vfreq,
5157 info->monitor_range.max_vfreq);
5158}
5159
5160/* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5161 * all of the values which would have been set from EDID
5162 */
5163void
5164drm_reset_display_info(struct drm_connector *connector)
5165{
5166 struct drm_display_info *info = &connector->display_info;
5167
5168 info->width_mm = 0;
5169 info->height_mm = 0;
5170
5171 info->bpc = 0;
5172 info->color_formats = 0;
5173 info->cea_rev = 0;
5174 info->max_tmds_clock = 0;
5175 info->dvi_dual = false;
5176 info->is_hdmi = false;
5177 info->has_hdmi_infoframe = false;
5178 info->rgb_quant_range_selectable = false;
5179 memset(&info->hdmi, 0, sizeof(info->hdmi));
5180
5181 info->non_desktop = 0;
5182 memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5183}
5184
5185u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5186{
5187 struct drm_display_info *info = &connector->display_info;
5188
5189 u32 quirks = edid_get_quirks(edid);
5190
5191 drm_reset_display_info(connector);
5192
5193 info->width_mm = edid->width_cm * 10;
5194 info->height_mm = edid->height_cm * 10;
5195
5196 info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5197
5198 drm_get_monitor_range(connector, edid);
5199
5200 DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5201
5202 if (edid->revision < 3)
5203 return quirks;
5204
5205 if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5206 return quirks;
5207
5208 drm_parse_cea_ext(connector, edid);
5209
5210 /*
5211 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5212 *
5213 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5214 * tells us to assume 8 bpc color depth if the EDID doesn't have
5215 * extensions which tell otherwise.
5216 */
5217 if (info->bpc == 0 && edid->revision == 3 &&
5218 edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5219 info->bpc = 8;
5220 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5221 connector->name, info->bpc);
5222 }
5223
5224 /* Only defined for 1.4 with digital displays */
5225 if (edid->revision < 4)
5226 return quirks;
5227
5228 switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5229 case DRM_EDID_DIGITAL_DEPTH_6:
5230 info->bpc = 6;
5231 break;
5232 case DRM_EDID_DIGITAL_DEPTH_8:
5233 info->bpc = 8;
5234 break;
5235 case DRM_EDID_DIGITAL_DEPTH_10:
5236 info->bpc = 10;
5237 break;
5238 case DRM_EDID_DIGITAL_DEPTH_12:
5239 info->bpc = 12;
5240 break;
5241 case DRM_EDID_DIGITAL_DEPTH_14:
5242 info->bpc = 14;
5243 break;
5244 case DRM_EDID_DIGITAL_DEPTH_16:
5245 info->bpc = 16;
5246 break;
5247 case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5248 default:
5249 info->bpc = 0;
5250 break;
5251 }
5252
5253 DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5254 connector->name, info->bpc);
5255
5256 info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5257 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5258 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5259 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5260 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5261 return quirks;
5262}
5263
5264static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5265 struct displayid_detailed_timings_1 *timings)
5266{
5267 struct drm_display_mode *mode;
5268 unsigned pixel_clock = (timings->pixel_clock[0] |
5269 (timings->pixel_clock[1] << 8) |
5270 (timings->pixel_clock[2] << 16)) + 1;
5271 unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5272 unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5273 unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5274 unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5275 unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5276 unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5277 unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5278 unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5279 bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5280 bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5281
5282 mode = drm_mode_create(dev);
5283 if (!mode)
5284 return NULL;
5285
5286 mode->clock = pixel_clock * 10;
5287 mode->hdisplay = hactive;
5288 mode->hsync_start = mode->hdisplay + hsync;
5289 mode->hsync_end = mode->hsync_start + hsync_width;
5290 mode->htotal = mode->hdisplay + hblank;
5291
5292 mode->vdisplay = vactive;
5293 mode->vsync_start = mode->vdisplay + vsync;
5294 mode->vsync_end = mode->vsync_start + vsync_width;
5295 mode->vtotal = mode->vdisplay + vblank;
5296
5297 mode->flags = 0;
5298 mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5299 mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5300 mode->type = DRM_MODE_TYPE_DRIVER;
5301
5302 if (timings->flags & 0x80)
5303 mode->type |= DRM_MODE_TYPE_PREFERRED;
5304 drm_mode_set_name(mode);
5305
5306 return mode;
5307}
5308
5309static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5310 const struct displayid_block *block)
5311{
5312 struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5313 int i;
5314 int num_timings;
5315 struct drm_display_mode *newmode;
5316 int num_modes = 0;
5317 /* blocks must be multiple of 20 bytes length */
5318 if (block->num_bytes % 20)
5319 return 0;
5320
5321 num_timings = block->num_bytes / 20;
5322 for (i = 0; i < num_timings; i++) {
5323 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5324
5325 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5326 if (!newmode)
5327 continue;
5328
5329 drm_mode_probed_add(connector, newmode);
5330 num_modes++;
5331 }
5332 return num_modes;
5333}
5334
5335static int add_displayid_detailed_modes(struct drm_connector *connector,
5336 struct edid *edid)
5337{
5338 const struct displayid_block *block;
5339 struct displayid_iter iter;
5340 int num_modes = 0;
5341
5342 displayid_iter_edid_begin(edid, &iter);
5343 displayid_iter_for_each(block, &iter) {
5344 if (block->tag == DATA_BLOCK_TYPE_1_DETAILED_TIMING)
5345 num_modes += add_displayid_detailed_1_modes(connector, block);
5346 }
5347 displayid_iter_end(&iter);
5348
5349 return num_modes;
5350}
5351
5352/**
5353 * drm_add_edid_modes - add modes from EDID data, if available
5354 * @connector: connector we're probing
5355 * @edid: EDID data
5356 *
5357 * Add the specified modes to the connector's mode list. Also fills out the
5358 * &drm_display_info structure and ELD in @connector with any information which
5359 * can be derived from the edid.
5360 *
5361 * Return: The number of modes added or 0 if we couldn't find any.
5362 */
5363int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5364{
5365 int num_modes = 0;
5366 u32 quirks;
5367
5368 if (edid == NULL) {
5369 clear_eld(connector);
5370 return 0;
5371 }
5372 if (!drm_edid_is_valid(edid)) {
5373 clear_eld(connector);
5374 drm_warn(connector->dev, "%s: EDID invalid.\n",
5375 connector->name);
5376 return 0;
5377 }
5378
5379 drm_edid_to_eld(connector, edid);
5380
5381 /*
5382 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5383 * To avoid multiple parsing of same block, lets parse that map
5384 * from sink info, before parsing CEA modes.
5385 */
5386 quirks = drm_add_display_info(connector, edid);
5387
5388 /*
5389 * EDID spec says modes should be preferred in this order:
5390 * - preferred detailed mode
5391 * - other detailed modes from base block
5392 * - detailed modes from extension blocks
5393 * - CVT 3-byte code modes
5394 * - standard timing codes
5395 * - established timing codes
5396 * - modes inferred from GTF or CVT range information
5397 *
5398 * We get this pretty much right.
5399 *
5400 * XXX order for additional mode types in extension blocks?
5401 */
5402 num_modes += add_detailed_modes(connector, edid, quirks);
5403 num_modes += add_cvt_modes(connector, edid);
5404 num_modes += add_standard_modes(connector, edid);
5405 num_modes += add_established_modes(connector, edid);
5406 num_modes += add_cea_modes(connector, edid);
5407 num_modes += add_alternate_cea_modes(connector, edid);
5408 num_modes += add_displayid_detailed_modes(connector, edid);
5409 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5410 num_modes += add_inferred_modes(connector, edid);
5411
5412 if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5413 edid_fixup_preferred(connector, quirks);
5414
5415 if (quirks & EDID_QUIRK_FORCE_6BPC)
5416 connector->display_info.bpc = 6;
5417
5418 if (quirks & EDID_QUIRK_FORCE_8BPC)
5419 connector->display_info.bpc = 8;
5420
5421 if (quirks & EDID_QUIRK_FORCE_10BPC)
5422 connector->display_info.bpc = 10;
5423
5424 if (quirks & EDID_QUIRK_FORCE_12BPC)
5425 connector->display_info.bpc = 12;
5426
5427 return num_modes;
5428}
5429EXPORT_SYMBOL(drm_add_edid_modes);
5430
5431/**
5432 * drm_add_modes_noedid - add modes for the connectors without EDID
5433 * @connector: connector we're probing
5434 * @hdisplay: the horizontal display limit
5435 * @vdisplay: the vertical display limit
5436 *
5437 * Add the specified modes to the connector's mode list. Only when the
5438 * hdisplay/vdisplay is not beyond the given limit, it will be added.
5439 *
5440 * Return: The number of modes added or 0 if we couldn't find any.
5441 */
5442int drm_add_modes_noedid(struct drm_connector *connector,
5443 int hdisplay, int vdisplay)
5444{
5445 int i, count, num_modes = 0;
5446 struct drm_display_mode *mode;
5447 struct drm_device *dev = connector->dev;
5448
5449 count = ARRAY_SIZE(drm_dmt_modes);
5450 if (hdisplay < 0)
5451 hdisplay = 0;
5452 if (vdisplay < 0)
5453 vdisplay = 0;
5454
5455 for (i = 0; i < count; i++) {
5456 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5457
5458 if (hdisplay && vdisplay) {
5459 /*
5460 * Only when two are valid, they will be used to check
5461 * whether the mode should be added to the mode list of
5462 * the connector.
5463 */
5464 if (ptr->hdisplay > hdisplay ||
5465 ptr->vdisplay > vdisplay)
5466 continue;
5467 }
5468 if (drm_mode_vrefresh(ptr) > 61)
5469 continue;
5470 mode = drm_mode_duplicate(dev, ptr);
5471 if (mode) {
5472 drm_mode_probed_add(connector, mode);
5473 num_modes++;
5474 }
5475 }
5476 return num_modes;
5477}
5478EXPORT_SYMBOL(drm_add_modes_noedid);
5479
5480/**
5481 * drm_set_preferred_mode - Sets the preferred mode of a connector
5482 * @connector: connector whose mode list should be processed
5483 * @hpref: horizontal resolution of preferred mode
5484 * @vpref: vertical resolution of preferred mode
5485 *
5486 * Marks a mode as preferred if it matches the resolution specified by @hpref
5487 * and @vpref.
5488 */
5489void drm_set_preferred_mode(struct drm_connector *connector,
5490 int hpref, int vpref)
5491{
5492 struct drm_display_mode *mode;
5493
5494 list_for_each_entry(mode, &connector->probed_modes, head) {
5495 if (mode->hdisplay == hpref &&
5496 mode->vdisplay == vpref)
5497 mode->type |= DRM_MODE_TYPE_PREFERRED;
5498 }
5499}
5500EXPORT_SYMBOL(drm_set_preferred_mode);
5501
5502static bool is_hdmi2_sink(const struct drm_connector *connector)
5503{
5504 /*
5505 * FIXME: sil-sii8620 doesn't have a connector around when
5506 * we need one, so we have to be prepared for a NULL connector.
5507 */
5508 if (!connector)
5509 return true;
5510
5511 return connector->display_info.hdmi.scdc.supported ||
5512 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5513}
5514
5515static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5516{
5517 return sink_eotf & BIT(output_eotf);
5518}
5519
5520/**
5521 * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5522 * HDR metadata from userspace
5523 * @frame: HDMI DRM infoframe
5524 * @conn_state: Connector state containing HDR metadata
5525 *
5526 * Return: 0 on success or a negative error code on failure.
5527 */
5528int
5529drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5530 const struct drm_connector_state *conn_state)
5531{
5532 struct drm_connector *connector;
5533 struct hdr_output_metadata *hdr_metadata;
5534 int err;
5535
5536 if (!frame || !conn_state)
5537 return -EINVAL;
5538
5539 connector = conn_state->connector;
5540
5541 if (!conn_state->hdr_output_metadata)
5542 return -EINVAL;
5543
5544 hdr_metadata = conn_state->hdr_output_metadata->data;
5545
5546 if (!hdr_metadata || !connector)
5547 return -EINVAL;
5548
5549 /* Sink EOTF is Bit map while infoframe is absolute values */
5550 if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5551 connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5552 DRM_DEBUG_KMS("EOTF Not Supported\n");
5553 return -EINVAL;
5554 }
5555
5556 err = hdmi_drm_infoframe_init(frame);
5557 if (err < 0)
5558 return err;
5559
5560 frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5561 frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5562
5563 BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5564 sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5565 BUILD_BUG_ON(sizeof(frame->white_point) !=
5566 sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5567
5568 memcpy(&frame->display_primaries,
5569 &hdr_metadata->hdmi_metadata_type1.display_primaries,
5570 sizeof(frame->display_primaries));
5571
5572 memcpy(&frame->white_point,
5573 &hdr_metadata->hdmi_metadata_type1.white_point,
5574 sizeof(frame->white_point));
5575
5576 frame->max_display_mastering_luminance =
5577 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5578 frame->min_display_mastering_luminance =
5579 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5580 frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5581 frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5582
5583 return 0;
5584}
5585EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5586
5587static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5588 const struct drm_display_mode *mode)
5589{
5590 bool has_hdmi_infoframe = connector ?
5591 connector->display_info.has_hdmi_infoframe : false;
5592
5593 if (!has_hdmi_infoframe)
5594 return 0;
5595
5596 /* No HDMI VIC when signalling 3D video format */
5597 if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5598 return 0;
5599
5600 return drm_match_hdmi_mode(mode);
5601}
5602
5603static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5604 const struct drm_display_mode *mode)
5605{
5606 u8 vic;
5607
5608 /*
5609 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5610 * we should send its VIC in vendor infoframes, else send the
5611 * VIC in AVI infoframes. Lets check if this mode is present in
5612 * HDMI 1.4b 4K modes
5613 */
5614 if (drm_mode_hdmi_vic(connector, mode))
5615 return 0;
5616
5617 vic = drm_match_cea_mode(mode);
5618
5619 /*
5620 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5621 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5622 * have to make sure we dont break HDMI 1.4 sinks.
5623 */
5624 if (!is_hdmi2_sink(connector) && vic > 64)
5625 return 0;
5626
5627 return vic;
5628}
5629
5630/**
5631 * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5632 * data from a DRM display mode
5633 * @frame: HDMI AVI infoframe
5634 * @connector: the connector
5635 * @mode: DRM display mode
5636 *
5637 * Return: 0 on success or a negative error code on failure.
5638 */
5639int
5640drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5641 const struct drm_connector *connector,
5642 const struct drm_display_mode *mode)
5643{
5644 enum hdmi_picture_aspect picture_aspect;
5645 u8 vic, hdmi_vic;
5646
5647 if (!frame || !mode)
5648 return -EINVAL;
5649
5650 hdmi_avi_infoframe_init(frame);
5651
5652 if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5653 frame->pixel_repeat = 1;
5654
5655 vic = drm_mode_cea_vic(connector, mode);
5656 hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5657
5658 frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5659
5660 /*
5661 * As some drivers don't support atomic, we can't use connector state.
5662 * So just initialize the frame with default values, just the same way
5663 * as it's done with other properties here.
5664 */
5665 frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5666 frame->itc = 0;
5667
5668 /*
5669 * Populate picture aspect ratio from either
5670 * user input (if specified) or from the CEA/HDMI mode lists.
5671 */
5672 picture_aspect = mode->picture_aspect_ratio;
5673 if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5674 if (vic)
5675 picture_aspect = drm_get_cea_aspect_ratio(vic);
5676 else if (hdmi_vic)
5677 picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5678 }
5679
5680 /*
5681 * The infoframe can't convey anything but none, 4:3
5682 * and 16:9, so if the user has asked for anything else
5683 * we can only satisfy it by specifying the right VIC.
5684 */
5685 if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5686 if (vic) {
5687 if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5688 return -EINVAL;
5689 } else if (hdmi_vic) {
5690 if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5691 return -EINVAL;
5692 } else {
5693 return -EINVAL;
5694 }
5695
5696 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5697 }
5698
5699 frame->video_code = vic;
5700 frame->picture_aspect = picture_aspect;
5701 frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5702 frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5703
5704 return 0;
5705}
5706EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5707
5708/* HDMI Colorspace Spec Definitions */
5709#define FULL_COLORIMETRY_MASK 0x1FF
5710#define NORMAL_COLORIMETRY_MASK 0x3
5711#define EXTENDED_COLORIMETRY_MASK 0x7
5712#define EXTENDED_ACE_COLORIMETRY_MASK 0xF
5713
5714#define C(x) ((x) << 0)
5715#define EC(x) ((x) << 2)
5716#define ACE(x) ((x) << 5)
5717
5718#define HDMI_COLORIMETRY_NO_DATA 0x0
5719#define HDMI_COLORIMETRY_SMPTE_170M_YCC (C(1) | EC(0) | ACE(0))
5720#define HDMI_COLORIMETRY_BT709_YCC (C(2) | EC(0) | ACE(0))
5721#define HDMI_COLORIMETRY_XVYCC_601 (C(3) | EC(0) | ACE(0))
5722#define HDMI_COLORIMETRY_XVYCC_709 (C(3) | EC(1) | ACE(0))
5723#define HDMI_COLORIMETRY_SYCC_601 (C(3) | EC(2) | ACE(0))
5724#define HDMI_COLORIMETRY_OPYCC_601 (C(3) | EC(3) | ACE(0))
5725#define HDMI_COLORIMETRY_OPRGB (C(3) | EC(4) | ACE(0))
5726#define HDMI_COLORIMETRY_BT2020_CYCC (C(3) | EC(5) | ACE(0))
5727#define HDMI_COLORIMETRY_BT2020_RGB (C(3) | EC(6) | ACE(0))
5728#define HDMI_COLORIMETRY_BT2020_YCC (C(3) | EC(6) | ACE(0))
5729#define HDMI_COLORIMETRY_DCI_P3_RGB_D65 (C(3) | EC(7) | ACE(0))
5730#define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER (C(3) | EC(7) | ACE(1))
5731
5732static const u32 hdmi_colorimetry_val[] = {
5733 [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5734 [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5735 [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5736 [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5737 [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5738 [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5739 [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5740 [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5741 [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5742 [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5743 [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5744};
5745
5746#undef C
5747#undef EC
5748#undef ACE
5749
5750/**
5751 * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5752 * colorspace information
5753 * @frame: HDMI AVI infoframe
5754 * @conn_state: connector state
5755 */
5756void
5757drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5758 const struct drm_connector_state *conn_state)
5759{
5760 u32 colorimetry_val;
5761 u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5762
5763 if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5764 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5765 else
5766 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5767
5768 frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5769 /*
5770 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5771 * structure and extend it in drivers/video/hdmi
5772 */
5773 frame->extended_colorimetry = (colorimetry_val >> 2) &
5774 EXTENDED_COLORIMETRY_MASK;
5775}
5776EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5777
5778/**
5779 * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5780 * quantization range information
5781 * @frame: HDMI AVI infoframe
5782 * @connector: the connector
5783 * @mode: DRM display mode
5784 * @rgb_quant_range: RGB quantization range (Q)
5785 */
5786void
5787drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5788 const struct drm_connector *connector,
5789 const struct drm_display_mode *mode,
5790 enum hdmi_quantization_range rgb_quant_range)
5791{
5792 const struct drm_display_info *info = &connector->display_info;
5793
5794 /*
5795 * CEA-861:
5796 * "A Source shall not send a non-zero Q value that does not correspond
5797 * to the default RGB Quantization Range for the transmitted Picture
5798 * unless the Sink indicates support for the Q bit in a Video
5799 * Capabilities Data Block."
5800 *
5801 * HDMI 2.0 recommends sending non-zero Q when it does match the
5802 * default RGB quantization range for the mode, even when QS=0.
5803 */
5804 if (info->rgb_quant_range_selectable ||
5805 rgb_quant_range == drm_default_rgb_quant_range(mode))
5806 frame->quantization_range = rgb_quant_range;
5807 else
5808 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5809
5810 /*
5811 * CEA-861-F:
5812 * "When transmitting any RGB colorimetry, the Source should set the
5813 * YQ-field to match the RGB Quantization Range being transmitted
5814 * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5815 * set YQ=1) and the Sink shall ignore the YQ-field."
5816 *
5817 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5818 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5819 * good way to tell which version of CEA-861 the sink supports, so
5820 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5821 * on on CEA-861-F.
5822 */
5823 if (!is_hdmi2_sink(connector) ||
5824 rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5825 frame->ycc_quantization_range =
5826 HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5827 else
5828 frame->ycc_quantization_range =
5829 HDMI_YCC_QUANTIZATION_RANGE_FULL;
5830}
5831EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5832
5833/**
5834 * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5835 * bar information
5836 * @frame: HDMI AVI infoframe
5837 * @conn_state: connector state
5838 */
5839void
5840drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5841 const struct drm_connector_state *conn_state)
5842{
5843 frame->right_bar = conn_state->tv.margins.right;
5844 frame->left_bar = conn_state->tv.margins.left;
5845 frame->top_bar = conn_state->tv.margins.top;
5846 frame->bottom_bar = conn_state->tv.margins.bottom;
5847}
5848EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5849
5850static enum hdmi_3d_structure
5851s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5852{
5853 u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5854
5855 switch (layout) {
5856 case DRM_MODE_FLAG_3D_FRAME_PACKING:
5857 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5858 case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5859 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5860 case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5861 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5862 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5863 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5864 case DRM_MODE_FLAG_3D_L_DEPTH:
5865 return HDMI_3D_STRUCTURE_L_DEPTH;
5866 case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5867 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5868 case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5869 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5870 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5871 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5872 default:
5873 return HDMI_3D_STRUCTURE_INVALID;
5874 }
5875}
5876
5877/**
5878 * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5879 * data from a DRM display mode
5880 * @frame: HDMI vendor infoframe
5881 * @connector: the connector
5882 * @mode: DRM display mode
5883 *
5884 * Note that there's is a need to send HDMI vendor infoframes only when using a
5885 * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5886 * function will return -EINVAL, error that can be safely ignored.
5887 *
5888 * Return: 0 on success or a negative error code on failure.
5889 */
5890int
5891drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5892 const struct drm_connector *connector,
5893 const struct drm_display_mode *mode)
5894{
5895 /*
5896 * FIXME: sil-sii8620 doesn't have a connector around when
5897 * we need one, so we have to be prepared for a NULL connector.
5898 */
5899 bool has_hdmi_infoframe = connector ?
5900 connector->display_info.has_hdmi_infoframe : false;
5901 int err;
5902
5903 if (!frame || !mode)
5904 return -EINVAL;
5905
5906 if (!has_hdmi_infoframe)
5907 return -EINVAL;
5908
5909 err = hdmi_vendor_infoframe_init(frame);
5910 if (err < 0)
5911 return err;
5912
5913 /*
5914 * Even if it's not absolutely necessary to send the infoframe
5915 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5916 * know that the sink can handle it. This is based on a
5917 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5918 * have trouble realizing that they shuld switch from 3D to 2D
5919 * mode if the source simply stops sending the infoframe when
5920 * it wants to switch from 3D to 2D.
5921 */
5922 frame->vic = drm_mode_hdmi_vic(connector, mode);
5923 frame->s3d_struct = s3d_structure_from_display_mode(mode);
5924
5925 return 0;
5926}
5927EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5928
5929static void drm_parse_tiled_block(struct drm_connector *connector,
5930 const struct displayid_block *block)
5931{
5932 const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5933 u16 w, h;
5934 u8 tile_v_loc, tile_h_loc;
5935 u8 num_v_tile, num_h_tile;
5936 struct drm_tile_group *tg;
5937
5938 w = tile->tile_size[0] | tile->tile_size[1] << 8;
5939 h = tile->tile_size[2] | tile->tile_size[3] << 8;
5940
5941 num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5942 num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5943 tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5944 tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5945
5946 connector->has_tile = true;
5947 if (tile->tile_cap & 0x80)
5948 connector->tile_is_single_monitor = true;
5949
5950 connector->num_h_tile = num_h_tile + 1;
5951 connector->num_v_tile = num_v_tile + 1;
5952 connector->tile_h_loc = tile_h_loc;
5953 connector->tile_v_loc = tile_v_loc;
5954 connector->tile_h_size = w + 1;
5955 connector->tile_v_size = h + 1;
5956
5957 DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5958 DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5959 DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5960 num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5961 DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5962
5963 tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5964 if (!tg)
5965 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5966 if (!tg)
5967 return;
5968
5969 if (connector->tile_group != tg) {
5970 /* if we haven't got a pointer,
5971 take the reference, drop ref to old tile group */
5972 if (connector->tile_group)
5973 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5974 connector->tile_group = tg;
5975 } else {
5976 /* if same tile group, then release the ref we just took. */
5977 drm_mode_put_tile_group(connector->dev, tg);
5978 }
5979}
5980
5981void drm_update_tile_info(struct drm_connector *connector,
5982 const struct edid *edid)
5983{
5984 const struct displayid_block *block;
5985 struct displayid_iter iter;
5986
5987 connector->has_tile = false;
5988
5989 displayid_iter_edid_begin(edid, &iter);
5990 displayid_iter_for_each(block, &iter) {
5991 if (block->tag == DATA_BLOCK_TILED_DISPLAY)
5992 drm_parse_tiled_block(connector, block);
5993 }
5994 displayid_iter_end(&iter);
5995
5996 if (!connector->has_tile && connector->tile_group) {
5997 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5998 connector->tile_group = NULL;
5999 }
6000}