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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/hdmi.h>
32#include <linux/i2c.h>
33#include <linux/kernel.h>
34#include <linux/module.h>
35#include <linux/slab.h>
36#include <linux/vga_switcheroo.h>
37
38#include <drm/drm_displayid.h>
39#include <drm/drm_drv.h>
40#include <drm/drm_edid.h>
41#include <drm/drm_encoder.h>
42#include <drm/drm_print.h>
43#include <drm/drm_scdc_helper.h>
44
45#include "drm_crtc_internal.h"
46
47#define version_greater(edid, maj, min) \
48 (((edid)->version > (maj)) || \
49 ((edid)->version == (maj) && (edid)->revision > (min)))
50
51#define EDID_EST_TIMINGS 16
52#define EDID_STD_TIMINGS 8
53#define EDID_DETAILED_TIMINGS 4
54
55/*
56 * EDID blocks out in the wild have a variety of bugs, try to collect
57 * them here (note that userspace may work around broken monitors first,
58 * but fixes should make their way here so that the kernel "just works"
59 * on as many displays as possible).
60 */
61
62/* First detailed mode wrong, use largest 60Hz mode */
63#define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
64/* Reported 135MHz pixel clock is too high, needs adjustment */
65#define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
66/* Prefer the largest mode at 75 Hz */
67#define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
68/* Detail timing is in cm not mm */
69#define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
70/* Detailed timing descriptors have bogus size values, so just take the
71 * maximum size and use that.
72 */
73#define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
74/* use +hsync +vsync for detailed mode */
75#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
76/* Force reduced-blanking timings for detailed modes */
77#define EDID_QUIRK_FORCE_REDUCED_BLANKING (1 << 7)
78/* Force 8bpc */
79#define EDID_QUIRK_FORCE_8BPC (1 << 8)
80/* Force 12bpc */
81#define EDID_QUIRK_FORCE_12BPC (1 << 9)
82/* Force 6bpc */
83#define EDID_QUIRK_FORCE_6BPC (1 << 10)
84/* Force 10bpc */
85#define EDID_QUIRK_FORCE_10BPC (1 << 11)
86/* Non desktop display (i.e. HMD) */
87#define EDID_QUIRK_NON_DESKTOP (1 << 12)
88
89struct detailed_mode_closure {
90 struct drm_connector *connector;
91 struct edid *edid;
92 bool preferred;
93 u32 quirks;
94 int modes;
95};
96
97#define LEVEL_DMT 0
98#define LEVEL_GTF 1
99#define LEVEL_GTF2 2
100#define LEVEL_CVT 3
101
102static const struct edid_quirk {
103 char vendor[4];
104 int product_id;
105 u32 quirks;
106} edid_quirk_list[] = {
107 /* Acer AL1706 */
108 { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
109 /* Acer F51 */
110 { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
111
112 /* AEO model 0 reports 8 bpc, but is a 6 bpc panel */
113 { "AEO", 0, EDID_QUIRK_FORCE_6BPC },
114
115 /* BOE model on HP Pavilion 15-n233sl reports 8 bpc, but is a 6 bpc panel */
116 { "BOE", 0x78b, EDID_QUIRK_FORCE_6BPC },
117
118 /* CPT panel of Asus UX303LA reports 8 bpc, but is a 6 bpc panel */
119 { "CPT", 0x17df, EDID_QUIRK_FORCE_6BPC },
120
121 /* SDC panel of Lenovo B50-80 reports 8 bpc, but is a 6 bpc panel */
122 { "SDC", 0x3652, EDID_QUIRK_FORCE_6BPC },
123
124 /* BOE model 0x0771 reports 8 bpc, but is a 6 bpc panel */
125 { "BOE", 0x0771, EDID_QUIRK_FORCE_6BPC },
126
127 /* Belinea 10 15 55 */
128 { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
129 { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
130
131 /* Envision Peripherals, Inc. EN-7100e */
132 { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
133 /* Envision EN2028 */
134 { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
135
136 /* Funai Electronics PM36B */
137 { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
138 EDID_QUIRK_DETAILED_IN_CM },
139
140 /* LGD panel of HP zBook 17 G2, eDP 10 bpc, but reports unknown bpc */
141 { "LGD", 764, EDID_QUIRK_FORCE_10BPC },
142
143 /* LG Philips LCD LP154W01-A5 */
144 { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
145 { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
146
147 /* Samsung SyncMaster 205BW. Note: irony */
148 { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
149 /* Samsung SyncMaster 22[5-6]BW */
150 { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
151 { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
152
153 /* Sony PVM-2541A does up to 12 bpc, but only reports max 8 bpc */
154 { "SNY", 0x2541, EDID_QUIRK_FORCE_12BPC },
155
156 /* ViewSonic VA2026w */
157 { "VSC", 5020, EDID_QUIRK_FORCE_REDUCED_BLANKING },
158
159 /* Medion MD 30217 PG */
160 { "MED", 0x7b8, EDID_QUIRK_PREFER_LARGE_75 },
161
162 /* Lenovo G50 */
163 { "SDC", 18514, EDID_QUIRK_FORCE_6BPC },
164
165 /* Panel in Samsung NP700G7A-S01PL notebook reports 6bpc */
166 { "SEC", 0xd033, EDID_QUIRK_FORCE_8BPC },
167
168 /* Rotel RSX-1058 forwards sink's EDID but only does HDMI 1.1*/
169 { "ETR", 13896, EDID_QUIRK_FORCE_8BPC },
170
171 /* Valve Index Headset */
172 { "VLV", 0x91a8, EDID_QUIRK_NON_DESKTOP },
173 { "VLV", 0x91b0, EDID_QUIRK_NON_DESKTOP },
174 { "VLV", 0x91b1, EDID_QUIRK_NON_DESKTOP },
175 { "VLV", 0x91b2, EDID_QUIRK_NON_DESKTOP },
176 { "VLV", 0x91b3, EDID_QUIRK_NON_DESKTOP },
177 { "VLV", 0x91b4, EDID_QUIRK_NON_DESKTOP },
178 { "VLV", 0x91b5, EDID_QUIRK_NON_DESKTOP },
179 { "VLV", 0x91b6, EDID_QUIRK_NON_DESKTOP },
180 { "VLV", 0x91b7, EDID_QUIRK_NON_DESKTOP },
181 { "VLV", 0x91b8, EDID_QUIRK_NON_DESKTOP },
182 { "VLV", 0x91b9, EDID_QUIRK_NON_DESKTOP },
183 { "VLV", 0x91ba, EDID_QUIRK_NON_DESKTOP },
184 { "VLV", 0x91bb, EDID_QUIRK_NON_DESKTOP },
185 { "VLV", 0x91bc, EDID_QUIRK_NON_DESKTOP },
186 { "VLV", 0x91bd, EDID_QUIRK_NON_DESKTOP },
187 { "VLV", 0x91be, EDID_QUIRK_NON_DESKTOP },
188 { "VLV", 0x91bf, EDID_QUIRK_NON_DESKTOP },
189
190 /* HTC Vive and Vive Pro VR Headsets */
191 { "HVR", 0xaa01, EDID_QUIRK_NON_DESKTOP },
192 { "HVR", 0xaa02, EDID_QUIRK_NON_DESKTOP },
193
194 /* Oculus Rift DK1, DK2, CV1 and Rift S VR Headsets */
195 { "OVR", 0x0001, EDID_QUIRK_NON_DESKTOP },
196 { "OVR", 0x0003, EDID_QUIRK_NON_DESKTOP },
197 { "OVR", 0x0004, EDID_QUIRK_NON_DESKTOP },
198 { "OVR", 0x0012, EDID_QUIRK_NON_DESKTOP },
199
200 /* Windows Mixed Reality Headsets */
201 { "ACR", 0x7fce, EDID_QUIRK_NON_DESKTOP },
202 { "HPN", 0x3515, EDID_QUIRK_NON_DESKTOP },
203 { "LEN", 0x0408, EDID_QUIRK_NON_DESKTOP },
204 { "LEN", 0xb800, EDID_QUIRK_NON_DESKTOP },
205 { "FUJ", 0x1970, EDID_QUIRK_NON_DESKTOP },
206 { "DEL", 0x7fce, EDID_QUIRK_NON_DESKTOP },
207 { "SEC", 0x144a, EDID_QUIRK_NON_DESKTOP },
208 { "AUS", 0xc102, EDID_QUIRK_NON_DESKTOP },
209
210 /* Sony PlayStation VR Headset */
211 { "SNY", 0x0704, EDID_QUIRK_NON_DESKTOP },
212
213 /* Sensics VR Headsets */
214 { "SEN", 0x1019, EDID_QUIRK_NON_DESKTOP },
215
216 /* OSVR HDK and HDK2 VR Headsets */
217 { "SVR", 0x1019, EDID_QUIRK_NON_DESKTOP },
218};
219
220/*
221 * Autogenerated from the DMT spec.
222 * This table is copied from xfree86/modes/xf86EdidModes.c.
223 */
224static const struct drm_display_mode drm_dmt_modes[] = {
225 /* 0x01 - 640x350@85Hz */
226 { DRM_MODE("640x350", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
227 736, 832, 0, 350, 382, 385, 445, 0,
228 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
229 /* 0x02 - 640x400@85Hz */
230 { DRM_MODE("640x400", DRM_MODE_TYPE_DRIVER, 31500, 640, 672,
231 736, 832, 0, 400, 401, 404, 445, 0,
232 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
233 /* 0x03 - 720x400@85Hz */
234 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 756,
235 828, 936, 0, 400, 401, 404, 446, 0,
236 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
237 /* 0x04 - 640x480@60Hz */
238 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
239 752, 800, 0, 480, 490, 492, 525, 0,
240 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
241 /* 0x05 - 640x480@72Hz */
242 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
243 704, 832, 0, 480, 489, 492, 520, 0,
244 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
245 /* 0x06 - 640x480@75Hz */
246 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
247 720, 840, 0, 480, 481, 484, 500, 0,
248 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
249 /* 0x07 - 640x480@85Hz */
250 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 36000, 640, 696,
251 752, 832, 0, 480, 481, 484, 509, 0,
252 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
253 /* 0x08 - 800x600@56Hz */
254 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
255 896, 1024, 0, 600, 601, 603, 625, 0,
256 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
257 /* 0x09 - 800x600@60Hz */
258 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
259 968, 1056, 0, 600, 601, 605, 628, 0,
260 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
261 /* 0x0a - 800x600@72Hz */
262 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
263 976, 1040, 0, 600, 637, 643, 666, 0,
264 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
265 /* 0x0b - 800x600@75Hz */
266 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
267 896, 1056, 0, 600, 601, 604, 625, 0,
268 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
269 /* 0x0c - 800x600@85Hz */
270 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 56250, 800, 832,
271 896, 1048, 0, 600, 601, 604, 631, 0,
272 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
273 /* 0x0d - 800x600@120Hz RB */
274 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 73250, 800, 848,
275 880, 960, 0, 600, 603, 607, 636, 0,
276 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
277 /* 0x0e - 848x480@60Hz */
278 { DRM_MODE("848x480", DRM_MODE_TYPE_DRIVER, 33750, 848, 864,
279 976, 1088, 0, 480, 486, 494, 517, 0,
280 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
281 /* 0x0f - 1024x768@43Hz, interlace */
282 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER, 44900, 1024, 1032,
283 1208, 1264, 0, 768, 768, 776, 817, 0,
284 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
285 DRM_MODE_FLAG_INTERLACE) },
286 /* 0x10 - 1024x768@60Hz */
287 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
288 1184, 1344, 0, 768, 771, 777, 806, 0,
289 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
290 /* 0x11 - 1024x768@70Hz */
291 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
292 1184, 1328, 0, 768, 771, 777, 806, 0,
293 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
294 /* 0x12 - 1024x768@75Hz */
295 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
296 1136, 1312, 0, 768, 769, 772, 800, 0,
297 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
298 /* 0x13 - 1024x768@85Hz */
299 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 94500, 1024, 1072,
300 1168, 1376, 0, 768, 769, 772, 808, 0,
301 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
302 /* 0x14 - 1024x768@120Hz RB */
303 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 115500, 1024, 1072,
304 1104, 1184, 0, 768, 771, 775, 813, 0,
305 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
306 /* 0x15 - 1152x864@75Hz */
307 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
308 1344, 1600, 0, 864, 865, 868, 900, 0,
309 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
310 /* 0x55 - 1280x720@60Hz */
311 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
312 1430, 1650, 0, 720, 725, 730, 750, 0,
313 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
314 /* 0x16 - 1280x768@60Hz RB */
315 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 68250, 1280, 1328,
316 1360, 1440, 0, 768, 771, 778, 790, 0,
317 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
318 /* 0x17 - 1280x768@60Hz */
319 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 79500, 1280, 1344,
320 1472, 1664, 0, 768, 771, 778, 798, 0,
321 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
322 /* 0x18 - 1280x768@75Hz */
323 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 102250, 1280, 1360,
324 1488, 1696, 0, 768, 771, 778, 805, 0,
325 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
326 /* 0x19 - 1280x768@85Hz */
327 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 117500, 1280, 1360,
328 1496, 1712, 0, 768, 771, 778, 809, 0,
329 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
330 /* 0x1a - 1280x768@120Hz RB */
331 { DRM_MODE("1280x768", DRM_MODE_TYPE_DRIVER, 140250, 1280, 1328,
332 1360, 1440, 0, 768, 771, 778, 813, 0,
333 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
334 /* 0x1b - 1280x800@60Hz RB */
335 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 71000, 1280, 1328,
336 1360, 1440, 0, 800, 803, 809, 823, 0,
337 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
338 /* 0x1c - 1280x800@60Hz */
339 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 83500, 1280, 1352,
340 1480, 1680, 0, 800, 803, 809, 831, 0,
341 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
342 /* 0x1d - 1280x800@75Hz */
343 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 106500, 1280, 1360,
344 1488, 1696, 0, 800, 803, 809, 838, 0,
345 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
346 /* 0x1e - 1280x800@85Hz */
347 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 122500, 1280, 1360,
348 1496, 1712, 0, 800, 803, 809, 843, 0,
349 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
350 /* 0x1f - 1280x800@120Hz RB */
351 { DRM_MODE("1280x800", DRM_MODE_TYPE_DRIVER, 146250, 1280, 1328,
352 1360, 1440, 0, 800, 803, 809, 847, 0,
353 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
354 /* 0x20 - 1280x960@60Hz */
355 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1376,
356 1488, 1800, 0, 960, 961, 964, 1000, 0,
357 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
358 /* 0x21 - 1280x960@85Hz */
359 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1344,
360 1504, 1728, 0, 960, 961, 964, 1011, 0,
361 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
362 /* 0x22 - 1280x960@120Hz RB */
363 { DRM_MODE("1280x960", DRM_MODE_TYPE_DRIVER, 175500, 1280, 1328,
364 1360, 1440, 0, 960, 963, 967, 1017, 0,
365 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
366 /* 0x23 - 1280x1024@60Hz */
367 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 108000, 1280, 1328,
368 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
369 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
370 /* 0x24 - 1280x1024@75Hz */
371 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
372 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
373 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
374 /* 0x25 - 1280x1024@85Hz */
375 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 157500, 1280, 1344,
376 1504, 1728, 0, 1024, 1025, 1028, 1072, 0,
377 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
378 /* 0x26 - 1280x1024@120Hz RB */
379 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 187250, 1280, 1328,
380 1360, 1440, 0, 1024, 1027, 1034, 1084, 0,
381 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
382 /* 0x27 - 1360x768@60Hz */
383 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 85500, 1360, 1424,
384 1536, 1792, 0, 768, 771, 777, 795, 0,
385 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
386 /* 0x28 - 1360x768@120Hz RB */
387 { DRM_MODE("1360x768", DRM_MODE_TYPE_DRIVER, 148250, 1360, 1408,
388 1440, 1520, 0, 768, 771, 776, 813, 0,
389 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
390 /* 0x51 - 1366x768@60Hz */
391 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 85500, 1366, 1436,
392 1579, 1792, 0, 768, 771, 774, 798, 0,
393 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
394 /* 0x56 - 1366x768@60Hz */
395 { DRM_MODE("1366x768", DRM_MODE_TYPE_DRIVER, 72000, 1366, 1380,
396 1436, 1500, 0, 768, 769, 772, 800, 0,
397 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
398 /* 0x29 - 1400x1050@60Hz RB */
399 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 101000, 1400, 1448,
400 1480, 1560, 0, 1050, 1053, 1057, 1080, 0,
401 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
402 /* 0x2a - 1400x1050@60Hz */
403 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 121750, 1400, 1488,
404 1632, 1864, 0, 1050, 1053, 1057, 1089, 0,
405 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
406 /* 0x2b - 1400x1050@75Hz */
407 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 156000, 1400, 1504,
408 1648, 1896, 0, 1050, 1053, 1057, 1099, 0,
409 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
410 /* 0x2c - 1400x1050@85Hz */
411 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 179500, 1400, 1504,
412 1656, 1912, 0, 1050, 1053, 1057, 1105, 0,
413 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
414 /* 0x2d - 1400x1050@120Hz RB */
415 { DRM_MODE("1400x1050", DRM_MODE_TYPE_DRIVER, 208000, 1400, 1448,
416 1480, 1560, 0, 1050, 1053, 1057, 1112, 0,
417 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
418 /* 0x2e - 1440x900@60Hz RB */
419 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 88750, 1440, 1488,
420 1520, 1600, 0, 900, 903, 909, 926, 0,
421 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
422 /* 0x2f - 1440x900@60Hz */
423 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 106500, 1440, 1520,
424 1672, 1904, 0, 900, 903, 909, 934, 0,
425 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
426 /* 0x30 - 1440x900@75Hz */
427 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 136750, 1440, 1536,
428 1688, 1936, 0, 900, 903, 909, 942, 0,
429 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
430 /* 0x31 - 1440x900@85Hz */
431 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 157000, 1440, 1544,
432 1696, 1952, 0, 900, 903, 909, 948, 0,
433 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
434 /* 0x32 - 1440x900@120Hz RB */
435 { DRM_MODE("1440x900", DRM_MODE_TYPE_DRIVER, 182750, 1440, 1488,
436 1520, 1600, 0, 900, 903, 909, 953, 0,
437 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
438 /* 0x53 - 1600x900@60Hz */
439 { DRM_MODE("1600x900", DRM_MODE_TYPE_DRIVER, 108000, 1600, 1624,
440 1704, 1800, 0, 900, 901, 904, 1000, 0,
441 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
442 /* 0x33 - 1600x1200@60Hz */
443 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 162000, 1600, 1664,
444 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
445 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
446 /* 0x34 - 1600x1200@65Hz */
447 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 175500, 1600, 1664,
448 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
449 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
450 /* 0x35 - 1600x1200@70Hz */
451 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 189000, 1600, 1664,
452 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
453 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
454 /* 0x36 - 1600x1200@75Hz */
455 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 202500, 1600, 1664,
456 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
457 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
458 /* 0x37 - 1600x1200@85Hz */
459 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 229500, 1600, 1664,
460 1856, 2160, 0, 1200, 1201, 1204, 1250, 0,
461 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
462 /* 0x38 - 1600x1200@120Hz RB */
463 { DRM_MODE("1600x1200", DRM_MODE_TYPE_DRIVER, 268250, 1600, 1648,
464 1680, 1760, 0, 1200, 1203, 1207, 1271, 0,
465 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
466 /* 0x39 - 1680x1050@60Hz RB */
467 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 119000, 1680, 1728,
468 1760, 1840, 0, 1050, 1053, 1059, 1080, 0,
469 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
470 /* 0x3a - 1680x1050@60Hz */
471 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 146250, 1680, 1784,
472 1960, 2240, 0, 1050, 1053, 1059, 1089, 0,
473 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
474 /* 0x3b - 1680x1050@75Hz */
475 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 187000, 1680, 1800,
476 1976, 2272, 0, 1050, 1053, 1059, 1099, 0,
477 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
478 /* 0x3c - 1680x1050@85Hz */
479 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 214750, 1680, 1808,
480 1984, 2288, 0, 1050, 1053, 1059, 1105, 0,
481 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
482 /* 0x3d - 1680x1050@120Hz RB */
483 { DRM_MODE("1680x1050", DRM_MODE_TYPE_DRIVER, 245500, 1680, 1728,
484 1760, 1840, 0, 1050, 1053, 1059, 1112, 0,
485 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
486 /* 0x3e - 1792x1344@60Hz */
487 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 204750, 1792, 1920,
488 2120, 2448, 0, 1344, 1345, 1348, 1394, 0,
489 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
490 /* 0x3f - 1792x1344@75Hz */
491 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 261000, 1792, 1888,
492 2104, 2456, 0, 1344, 1345, 1348, 1417, 0,
493 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
494 /* 0x40 - 1792x1344@120Hz RB */
495 { DRM_MODE("1792x1344", DRM_MODE_TYPE_DRIVER, 333250, 1792, 1840,
496 1872, 1952, 0, 1344, 1347, 1351, 1423, 0,
497 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
498 /* 0x41 - 1856x1392@60Hz */
499 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 218250, 1856, 1952,
500 2176, 2528, 0, 1392, 1393, 1396, 1439, 0,
501 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
502 /* 0x42 - 1856x1392@75Hz */
503 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 288000, 1856, 1984,
504 2208, 2560, 0, 1392, 1393, 1396, 1500, 0,
505 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
506 /* 0x43 - 1856x1392@120Hz RB */
507 { DRM_MODE("1856x1392", DRM_MODE_TYPE_DRIVER, 356500, 1856, 1904,
508 1936, 2016, 0, 1392, 1395, 1399, 1474, 0,
509 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
510 /* 0x52 - 1920x1080@60Hz */
511 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
512 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
513 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) },
514 /* 0x44 - 1920x1200@60Hz RB */
515 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 154000, 1920, 1968,
516 2000, 2080, 0, 1200, 1203, 1209, 1235, 0,
517 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
518 /* 0x45 - 1920x1200@60Hz */
519 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 193250, 1920, 2056,
520 2256, 2592, 0, 1200, 1203, 1209, 1245, 0,
521 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
522 /* 0x46 - 1920x1200@75Hz */
523 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 245250, 1920, 2056,
524 2264, 2608, 0, 1200, 1203, 1209, 1255, 0,
525 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
526 /* 0x47 - 1920x1200@85Hz */
527 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 281250, 1920, 2064,
528 2272, 2624, 0, 1200, 1203, 1209, 1262, 0,
529 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
530 /* 0x48 - 1920x1200@120Hz RB */
531 { DRM_MODE("1920x1200", DRM_MODE_TYPE_DRIVER, 317000, 1920, 1968,
532 2000, 2080, 0, 1200, 1203, 1209, 1271, 0,
533 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
534 /* 0x49 - 1920x1440@60Hz */
535 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 234000, 1920, 2048,
536 2256, 2600, 0, 1440, 1441, 1444, 1500, 0,
537 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
538 /* 0x4a - 1920x1440@75Hz */
539 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2064,
540 2288, 2640, 0, 1440, 1441, 1444, 1500, 0,
541 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
542 /* 0x4b - 1920x1440@120Hz RB */
543 { DRM_MODE("1920x1440", DRM_MODE_TYPE_DRIVER, 380500, 1920, 1968,
544 2000, 2080, 0, 1440, 1443, 1447, 1525, 0,
545 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
546 /* 0x54 - 2048x1152@60Hz */
547 { DRM_MODE("2048x1152", DRM_MODE_TYPE_DRIVER, 162000, 2048, 2074,
548 2154, 2250, 0, 1152, 1153, 1156, 1200, 0,
549 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) },
550 /* 0x4c - 2560x1600@60Hz RB */
551 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 268500, 2560, 2608,
552 2640, 2720, 0, 1600, 1603, 1609, 1646, 0,
553 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
554 /* 0x4d - 2560x1600@60Hz */
555 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 348500, 2560, 2752,
556 3032, 3504, 0, 1600, 1603, 1609, 1658, 0,
557 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
558 /* 0x4e - 2560x1600@75Hz */
559 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 443250, 2560, 2768,
560 3048, 3536, 0, 1600, 1603, 1609, 1672, 0,
561 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
562 /* 0x4f - 2560x1600@85Hz */
563 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 505250, 2560, 2768,
564 3048, 3536, 0, 1600, 1603, 1609, 1682, 0,
565 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) },
566 /* 0x50 - 2560x1600@120Hz RB */
567 { DRM_MODE("2560x1600", DRM_MODE_TYPE_DRIVER, 552750, 2560, 2608,
568 2640, 2720, 0, 1600, 1603, 1609, 1694, 0,
569 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
570 /* 0x57 - 4096x2160@60Hz RB */
571 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556744, 4096, 4104,
572 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
573 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
574 /* 0x58 - 4096x2160@59.94Hz RB */
575 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 556188, 4096, 4104,
576 4136, 4176, 0, 2160, 2208, 2216, 2222, 0,
577 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC) },
578};
579
580/*
581 * These more or less come from the DMT spec. The 720x400 modes are
582 * inferred from historical 80x25 practice. The 640x480@67 and 832x624@75
583 * modes are old-school Mac modes. The EDID spec says the 1152x864@75 mode
584 * should be 1152x870, again for the Mac, but instead we use the x864 DMT
585 * mode.
586 *
587 * The DMT modes have been fact-checked; the rest are mild guesses.
588 */
589static const struct drm_display_mode edid_est_modes[] = {
590 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 40000, 800, 840,
591 968, 1056, 0, 600, 601, 605, 628, 0,
592 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@60Hz */
593 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 36000, 800, 824,
594 896, 1024, 0, 600, 601, 603, 625, 0,
595 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@56Hz */
596 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 656,
597 720, 840, 0, 480, 481, 484, 500, 0,
598 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@75Hz */
599 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 31500, 640, 664,
600 704, 832, 0, 480, 489, 492, 520, 0,
601 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@72Hz */
602 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 30240, 640, 704,
603 768, 864, 0, 480, 483, 486, 525, 0,
604 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@67Hz */
605 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
606 752, 800, 0, 480, 490, 492, 525, 0,
607 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 640x480@60Hz */
608 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 35500, 720, 738,
609 846, 900, 0, 400, 421, 423, 449, 0,
610 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 720x400@88Hz */
611 { DRM_MODE("720x400", DRM_MODE_TYPE_DRIVER, 28320, 720, 738,
612 846, 900, 0, 400, 412, 414, 449, 0,
613 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 720x400@70Hz */
614 { DRM_MODE("1280x1024", DRM_MODE_TYPE_DRIVER, 135000, 1280, 1296,
615 1440, 1688, 0, 1024, 1025, 1028, 1066, 0,
616 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1280x1024@75Hz */
617 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 78750, 1024, 1040,
618 1136, 1312, 0, 768, 769, 772, 800, 0,
619 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1024x768@75Hz */
620 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 75000, 1024, 1048,
621 1184, 1328, 0, 768, 771, 777, 806, 0,
622 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@70Hz */
623 { DRM_MODE("1024x768", DRM_MODE_TYPE_DRIVER, 65000, 1024, 1048,
624 1184, 1344, 0, 768, 771, 777, 806, 0,
625 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 1024x768@60Hz */
626 { DRM_MODE("1024x768i", DRM_MODE_TYPE_DRIVER,44900, 1024, 1032,
627 1208, 1264, 0, 768, 768, 776, 817, 0,
628 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC | DRM_MODE_FLAG_INTERLACE) }, /* 1024x768@43Hz */
629 { DRM_MODE("832x624", DRM_MODE_TYPE_DRIVER, 57284, 832, 864,
630 928, 1152, 0, 624, 625, 628, 667, 0,
631 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) }, /* 832x624@75Hz */
632 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 49500, 800, 816,
633 896, 1056, 0, 600, 601, 604, 625, 0,
634 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@75Hz */
635 { DRM_MODE("800x600", DRM_MODE_TYPE_DRIVER, 50000, 800, 856,
636 976, 1040, 0, 600, 637, 643, 666, 0,
637 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 800x600@72Hz */
638 { DRM_MODE("1152x864", DRM_MODE_TYPE_DRIVER, 108000, 1152, 1216,
639 1344, 1600, 0, 864, 865, 868, 900, 0,
640 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC) }, /* 1152x864@75Hz */
641};
642
643struct minimode {
644 short w;
645 short h;
646 short r;
647 short rb;
648};
649
650static const struct minimode est3_modes[] = {
651 /* byte 6 */
652 { 640, 350, 85, 0 },
653 { 640, 400, 85, 0 },
654 { 720, 400, 85, 0 },
655 { 640, 480, 85, 0 },
656 { 848, 480, 60, 0 },
657 { 800, 600, 85, 0 },
658 { 1024, 768, 85, 0 },
659 { 1152, 864, 75, 0 },
660 /* byte 7 */
661 { 1280, 768, 60, 1 },
662 { 1280, 768, 60, 0 },
663 { 1280, 768, 75, 0 },
664 { 1280, 768, 85, 0 },
665 { 1280, 960, 60, 0 },
666 { 1280, 960, 85, 0 },
667 { 1280, 1024, 60, 0 },
668 { 1280, 1024, 85, 0 },
669 /* byte 8 */
670 { 1360, 768, 60, 0 },
671 { 1440, 900, 60, 1 },
672 { 1440, 900, 60, 0 },
673 { 1440, 900, 75, 0 },
674 { 1440, 900, 85, 0 },
675 { 1400, 1050, 60, 1 },
676 { 1400, 1050, 60, 0 },
677 { 1400, 1050, 75, 0 },
678 /* byte 9 */
679 { 1400, 1050, 85, 0 },
680 { 1680, 1050, 60, 1 },
681 { 1680, 1050, 60, 0 },
682 { 1680, 1050, 75, 0 },
683 { 1680, 1050, 85, 0 },
684 { 1600, 1200, 60, 0 },
685 { 1600, 1200, 65, 0 },
686 { 1600, 1200, 70, 0 },
687 /* byte 10 */
688 { 1600, 1200, 75, 0 },
689 { 1600, 1200, 85, 0 },
690 { 1792, 1344, 60, 0 },
691 { 1792, 1344, 75, 0 },
692 { 1856, 1392, 60, 0 },
693 { 1856, 1392, 75, 0 },
694 { 1920, 1200, 60, 1 },
695 { 1920, 1200, 60, 0 },
696 /* byte 11 */
697 { 1920, 1200, 75, 0 },
698 { 1920, 1200, 85, 0 },
699 { 1920, 1440, 60, 0 },
700 { 1920, 1440, 75, 0 },
701};
702
703static const struct minimode extra_modes[] = {
704 { 1024, 576, 60, 0 },
705 { 1366, 768, 60, 0 },
706 { 1600, 900, 60, 0 },
707 { 1680, 945, 60, 0 },
708 { 1920, 1080, 60, 0 },
709 { 2048, 1152, 60, 0 },
710 { 2048, 1536, 60, 0 },
711};
712
713/*
714 * From CEA/CTA-861 spec.
715 *
716 * Do not access directly, instead always use cea_mode_for_vic().
717 */
718static const struct drm_display_mode edid_cea_modes_1[] = {
719 /* 1 - 640x480@60Hz 4:3 */
720 { DRM_MODE("640x480", DRM_MODE_TYPE_DRIVER, 25175, 640, 656,
721 752, 800, 0, 480, 490, 492, 525, 0,
722 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
723 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
724 /* 2 - 720x480@60Hz 4:3 */
725 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
726 798, 858, 0, 480, 489, 495, 525, 0,
727 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
728 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
729 /* 3 - 720x480@60Hz 16:9 */
730 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 27000, 720, 736,
731 798, 858, 0, 480, 489, 495, 525, 0,
732 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
733 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
734 /* 4 - 1280x720@60Hz 16:9 */
735 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
736 1430, 1650, 0, 720, 725, 730, 750, 0,
737 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
738 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
739 /* 5 - 1920x1080i@60Hz 16:9 */
740 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
741 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
742 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
743 DRM_MODE_FLAG_INTERLACE),
744 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
745 /* 6 - 720(1440)x480i@60Hz 4:3 */
746 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
747 801, 858, 0, 480, 488, 494, 525, 0,
748 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
749 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
750 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
751 /* 7 - 720(1440)x480i@60Hz 16:9 */
752 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
753 801, 858, 0, 480, 488, 494, 525, 0,
754 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
755 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
756 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
757 /* 8 - 720(1440)x240@60Hz 4:3 */
758 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
759 801, 858, 0, 240, 244, 247, 262, 0,
760 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
761 DRM_MODE_FLAG_DBLCLK),
762 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
763 /* 9 - 720(1440)x240@60Hz 16:9 */
764 { DRM_MODE("720x240", DRM_MODE_TYPE_DRIVER, 13500, 720, 739,
765 801, 858, 0, 240, 244, 247, 262, 0,
766 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
767 DRM_MODE_FLAG_DBLCLK),
768 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
769 /* 10 - 2880x480i@60Hz 4:3 */
770 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
771 3204, 3432, 0, 480, 488, 494, 525, 0,
772 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
773 DRM_MODE_FLAG_INTERLACE),
774 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
775 /* 11 - 2880x480i@60Hz 16:9 */
776 { DRM_MODE("2880x480i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
777 3204, 3432, 0, 480, 488, 494, 525, 0,
778 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
779 DRM_MODE_FLAG_INTERLACE),
780 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
781 /* 12 - 2880x240@60Hz 4:3 */
782 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
783 3204, 3432, 0, 240, 244, 247, 262, 0,
784 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
785 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
786 /* 13 - 2880x240@60Hz 16:9 */
787 { DRM_MODE("2880x240", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2956,
788 3204, 3432, 0, 240, 244, 247, 262, 0,
789 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
790 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
791 /* 14 - 1440x480@60Hz 4:3 */
792 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
793 1596, 1716, 0, 480, 489, 495, 525, 0,
794 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
795 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
796 /* 15 - 1440x480@60Hz 16:9 */
797 { DRM_MODE("1440x480", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1472,
798 1596, 1716, 0, 480, 489, 495, 525, 0,
799 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
800 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
801 /* 16 - 1920x1080@60Hz 16:9 */
802 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
803 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
804 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
805 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
806 /* 17 - 720x576@50Hz 4:3 */
807 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
808 796, 864, 0, 576, 581, 586, 625, 0,
809 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
810 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
811 /* 18 - 720x576@50Hz 16:9 */
812 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
813 796, 864, 0, 576, 581, 586, 625, 0,
814 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
815 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
816 /* 19 - 1280x720@50Hz 16:9 */
817 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
818 1760, 1980, 0, 720, 725, 730, 750, 0,
819 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
820 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
821 /* 20 - 1920x1080i@50Hz 16:9 */
822 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
823 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
824 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
825 DRM_MODE_FLAG_INTERLACE),
826 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
827 /* 21 - 720(1440)x576i@50Hz 4:3 */
828 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
829 795, 864, 0, 576, 580, 586, 625, 0,
830 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
831 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
832 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
833 /* 22 - 720(1440)x576i@50Hz 16:9 */
834 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
835 795, 864, 0, 576, 580, 586, 625, 0,
836 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
837 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
838 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
839 /* 23 - 720(1440)x288@50Hz 4:3 */
840 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
841 795, 864, 0, 288, 290, 293, 312, 0,
842 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
843 DRM_MODE_FLAG_DBLCLK),
844 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
845 /* 24 - 720(1440)x288@50Hz 16:9 */
846 { DRM_MODE("720x288", DRM_MODE_TYPE_DRIVER, 13500, 720, 732,
847 795, 864, 0, 288, 290, 293, 312, 0,
848 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
849 DRM_MODE_FLAG_DBLCLK),
850 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
851 /* 25 - 2880x576i@50Hz 4:3 */
852 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
853 3180, 3456, 0, 576, 580, 586, 625, 0,
854 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
855 DRM_MODE_FLAG_INTERLACE),
856 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
857 /* 26 - 2880x576i@50Hz 16:9 */
858 { DRM_MODE("2880x576i", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
859 3180, 3456, 0, 576, 580, 586, 625, 0,
860 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
861 DRM_MODE_FLAG_INTERLACE),
862 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
863 /* 27 - 2880x288@50Hz 4:3 */
864 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
865 3180, 3456, 0, 288, 290, 293, 312, 0,
866 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
867 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
868 /* 28 - 2880x288@50Hz 16:9 */
869 { DRM_MODE("2880x288", DRM_MODE_TYPE_DRIVER, 54000, 2880, 2928,
870 3180, 3456, 0, 288, 290, 293, 312, 0,
871 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
872 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
873 /* 29 - 1440x576@50Hz 4:3 */
874 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
875 1592, 1728, 0, 576, 581, 586, 625, 0,
876 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
877 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
878 /* 30 - 1440x576@50Hz 16:9 */
879 { DRM_MODE("1440x576", DRM_MODE_TYPE_DRIVER, 54000, 1440, 1464,
880 1592, 1728, 0, 576, 581, 586, 625, 0,
881 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
882 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
883 /* 31 - 1920x1080@50Hz 16:9 */
884 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
885 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
886 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
887 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
888 /* 32 - 1920x1080@24Hz 16:9 */
889 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
890 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
891 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
892 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
893 /* 33 - 1920x1080@25Hz 16:9 */
894 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
895 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
896 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
897 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
898 /* 34 - 1920x1080@30Hz 16:9 */
899 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
900 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
901 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
902 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
903 /* 35 - 2880x480@60Hz 4:3 */
904 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
905 3192, 3432, 0, 480, 489, 495, 525, 0,
906 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
907 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
908 /* 36 - 2880x480@60Hz 16:9 */
909 { DRM_MODE("2880x480", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2944,
910 3192, 3432, 0, 480, 489, 495, 525, 0,
911 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
912 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
913 /* 37 - 2880x576@50Hz 4:3 */
914 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
915 3184, 3456, 0, 576, 581, 586, 625, 0,
916 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
917 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
918 /* 38 - 2880x576@50Hz 16:9 */
919 { DRM_MODE("2880x576", DRM_MODE_TYPE_DRIVER, 108000, 2880, 2928,
920 3184, 3456, 0, 576, 581, 586, 625, 0,
921 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
922 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
923 /* 39 - 1920x1080i@50Hz 16:9 */
924 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 72000, 1920, 1952,
925 2120, 2304, 0, 1080, 1126, 1136, 1250, 0,
926 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_NVSYNC |
927 DRM_MODE_FLAG_INTERLACE),
928 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
929 /* 40 - 1920x1080i@100Hz 16:9 */
930 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
931 2492, 2640, 0, 1080, 1084, 1094, 1125, 0,
932 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
933 DRM_MODE_FLAG_INTERLACE),
934 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
935 /* 41 - 1280x720@100Hz 16:9 */
936 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
937 1760, 1980, 0, 720, 725, 730, 750, 0,
938 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
939 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
940 /* 42 - 720x576@100Hz 4:3 */
941 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
942 796, 864, 0, 576, 581, 586, 625, 0,
943 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
944 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
945 /* 43 - 720x576@100Hz 16:9 */
946 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
947 796, 864, 0, 576, 581, 586, 625, 0,
948 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
949 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
950 /* 44 - 720(1440)x576i@100Hz 4:3 */
951 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
952 795, 864, 0, 576, 580, 586, 625, 0,
953 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
954 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
955 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
956 /* 45 - 720(1440)x576i@100Hz 16:9 */
957 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 27000, 720, 732,
958 795, 864, 0, 576, 580, 586, 625, 0,
959 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
960 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
961 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
962 /* 46 - 1920x1080i@120Hz 16:9 */
963 { DRM_MODE("1920x1080i", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
964 2052, 2200, 0, 1080, 1084, 1094, 1125, 0,
965 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC |
966 DRM_MODE_FLAG_INTERLACE),
967 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
968 /* 47 - 1280x720@120Hz 16:9 */
969 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
970 1430, 1650, 0, 720, 725, 730, 750, 0,
971 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
972 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
973 /* 48 - 720x480@120Hz 4:3 */
974 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
975 798, 858, 0, 480, 489, 495, 525, 0,
976 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
977 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
978 /* 49 - 720x480@120Hz 16:9 */
979 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 54000, 720, 736,
980 798, 858, 0, 480, 489, 495, 525, 0,
981 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
982 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
983 /* 50 - 720(1440)x480i@120Hz 4:3 */
984 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
985 801, 858, 0, 480, 488, 494, 525, 0,
986 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
987 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
988 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
989 /* 51 - 720(1440)x480i@120Hz 16:9 */
990 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 27000, 720, 739,
991 801, 858, 0, 480, 488, 494, 525, 0,
992 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
993 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
994 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
995 /* 52 - 720x576@200Hz 4:3 */
996 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
997 796, 864, 0, 576, 581, 586, 625, 0,
998 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
999 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1000 /* 53 - 720x576@200Hz 16:9 */
1001 { DRM_MODE("720x576", DRM_MODE_TYPE_DRIVER, 108000, 720, 732,
1002 796, 864, 0, 576, 581, 586, 625, 0,
1003 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1004 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1005 /* 54 - 720(1440)x576i@200Hz 4:3 */
1006 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1007 795, 864, 0, 576, 580, 586, 625, 0,
1008 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1009 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1010 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1011 /* 55 - 720(1440)x576i@200Hz 16:9 */
1012 { DRM_MODE("720x576i", DRM_MODE_TYPE_DRIVER, 54000, 720, 732,
1013 795, 864, 0, 576, 580, 586, 625, 0,
1014 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1015 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1016 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1017 /* 56 - 720x480@240Hz 4:3 */
1018 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1019 798, 858, 0, 480, 489, 495, 525, 0,
1020 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1021 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1022 /* 57 - 720x480@240Hz 16:9 */
1023 { DRM_MODE("720x480", DRM_MODE_TYPE_DRIVER, 108000, 720, 736,
1024 798, 858, 0, 480, 489, 495, 525, 0,
1025 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC),
1026 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1027 /* 58 - 720(1440)x480i@240Hz 4:3 */
1028 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1029 801, 858, 0, 480, 488, 494, 525, 0,
1030 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1031 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1032 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_4_3, },
1033 /* 59 - 720(1440)x480i@240Hz 16:9 */
1034 { DRM_MODE("720x480i", DRM_MODE_TYPE_DRIVER, 54000, 720, 739,
1035 801, 858, 0, 480, 488, 494, 525, 0,
1036 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC |
1037 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_DBLCLK),
1038 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1039 /* 60 - 1280x720@24Hz 16:9 */
1040 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1041 3080, 3300, 0, 720, 725, 730, 750, 0,
1042 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1043 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1044 /* 61 - 1280x720@25Hz 16:9 */
1045 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1046 3740, 3960, 0, 720, 725, 730, 750, 0,
1047 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1048 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1049 /* 62 - 1280x720@30Hz 16:9 */
1050 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1051 3080, 3300, 0, 720, 725, 730, 750, 0,
1052 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1053 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1054 /* 63 - 1920x1080@120Hz 16:9 */
1055 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1056 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1057 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1058 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1059 /* 64 - 1920x1080@100Hz 16:9 */
1060 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1061 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1062 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1063 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1064 /* 65 - 1280x720@24Hz 64:27 */
1065 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 59400, 1280, 3040,
1066 3080, 3300, 0, 720, 725, 730, 750, 0,
1067 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1068 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1069 /* 66 - 1280x720@25Hz 64:27 */
1070 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3700,
1071 3740, 3960, 0, 720, 725, 730, 750, 0,
1072 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1073 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1074 /* 67 - 1280x720@30Hz 64:27 */
1075 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 3040,
1076 3080, 3300, 0, 720, 725, 730, 750, 0,
1077 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1078 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1079 /* 68 - 1280x720@50Hz 64:27 */
1080 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1720,
1081 1760, 1980, 0, 720, 725, 730, 750, 0,
1082 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1083 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1084 /* 69 - 1280x720@60Hz 64:27 */
1085 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 74250, 1280, 1390,
1086 1430, 1650, 0, 720, 725, 730, 750, 0,
1087 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1088 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1089 /* 70 - 1280x720@100Hz 64:27 */
1090 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1720,
1091 1760, 1980, 0, 720, 725, 730, 750, 0,
1092 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1093 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1094 /* 71 - 1280x720@120Hz 64:27 */
1095 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 148500, 1280, 1390,
1096 1430, 1650, 0, 720, 725, 730, 750, 0,
1097 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1098 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1099 /* 72 - 1920x1080@24Hz 64:27 */
1100 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2558,
1101 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1102 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1103 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1104 /* 73 - 1920x1080@25Hz 64:27 */
1105 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2448,
1106 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1107 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1108 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1109 /* 74 - 1920x1080@30Hz 64:27 */
1110 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 74250, 1920, 2008,
1111 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1112 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1113 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1114 /* 75 - 1920x1080@50Hz 64:27 */
1115 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2448,
1116 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1117 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1118 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1119 /* 76 - 1920x1080@60Hz 64:27 */
1120 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2008,
1121 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1122 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1123 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1124 /* 77 - 1920x1080@100Hz 64:27 */
1125 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2448,
1126 2492, 2640, 0, 1080, 1084, 1089, 1125, 0,
1127 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1128 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1129 /* 78 - 1920x1080@120Hz 64:27 */
1130 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 297000, 1920, 2008,
1131 2052, 2200, 0, 1080, 1084, 1089, 1125, 0,
1132 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1133 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1134 /* 79 - 1680x720@24Hz 64:27 */
1135 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 3040,
1136 3080, 3300, 0, 720, 725, 730, 750, 0,
1137 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1138 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1139 /* 80 - 1680x720@25Hz 64:27 */
1140 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2908,
1141 2948, 3168, 0, 720, 725, 730, 750, 0,
1142 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1143 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1144 /* 81 - 1680x720@30Hz 64:27 */
1145 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 59400, 1680, 2380,
1146 2420, 2640, 0, 720, 725, 730, 750, 0,
1147 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1148 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1149 /* 82 - 1680x720@50Hz 64:27 */
1150 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 82500, 1680, 1940,
1151 1980, 2200, 0, 720, 725, 730, 750, 0,
1152 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1153 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1154 /* 83 - 1680x720@60Hz 64:27 */
1155 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 1940,
1156 1980, 2200, 0, 720, 725, 730, 750, 0,
1157 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1158 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1159 /* 84 - 1680x720@100Hz 64:27 */
1160 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 165000, 1680, 1740,
1161 1780, 2000, 0, 720, 725, 730, 825, 0,
1162 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1163 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1164 /* 85 - 1680x720@120Hz 64:27 */
1165 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 198000, 1680, 1740,
1166 1780, 2000, 0, 720, 725, 730, 825, 0,
1167 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1168 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1169 /* 86 - 2560x1080@24Hz 64:27 */
1170 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 99000, 2560, 3558,
1171 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1172 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1173 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1174 /* 87 - 2560x1080@25Hz 64:27 */
1175 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 90000, 2560, 3008,
1176 3052, 3200, 0, 1080, 1084, 1089, 1125, 0,
1177 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1178 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1179 /* 88 - 2560x1080@30Hz 64:27 */
1180 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 118800, 2560, 3328,
1181 3372, 3520, 0, 1080, 1084, 1089, 1125, 0,
1182 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1183 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1184 /* 89 - 2560x1080@50Hz 64:27 */
1185 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 185625, 2560, 3108,
1186 3152, 3300, 0, 1080, 1084, 1089, 1125, 0,
1187 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1188 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1189 /* 90 - 2560x1080@60Hz 64:27 */
1190 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 2808,
1191 2852, 3000, 0, 1080, 1084, 1089, 1100, 0,
1192 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1193 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1194 /* 91 - 2560x1080@100Hz 64:27 */
1195 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 371250, 2560, 2778,
1196 2822, 2970, 0, 1080, 1084, 1089, 1250, 0,
1197 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1198 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1199 /* 92 - 2560x1080@120Hz 64:27 */
1200 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 495000, 2560, 3108,
1201 3152, 3300, 0, 1080, 1084, 1089, 1250, 0,
1202 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1203 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1204 /* 93 - 3840x2160@24Hz 16:9 */
1205 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1206 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1207 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1208 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1209 /* 94 - 3840x2160@25Hz 16:9 */
1210 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1211 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1212 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1213 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1214 /* 95 - 3840x2160@30Hz 16:9 */
1215 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1216 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1217 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1218 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1219 /* 96 - 3840x2160@50Hz 16:9 */
1220 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1221 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1222 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1223 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1224 /* 97 - 3840x2160@60Hz 16:9 */
1225 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1226 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1227 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1228 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1229 /* 98 - 4096x2160@24Hz 256:135 */
1230 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5116,
1231 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1232 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1233 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1234 /* 99 - 4096x2160@25Hz 256:135 */
1235 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 5064,
1236 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1237 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1238 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1239 /* 100 - 4096x2160@30Hz 256:135 */
1240 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000, 4096, 4184,
1241 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1242 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1243 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1244 /* 101 - 4096x2160@50Hz 256:135 */
1245 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5064,
1246 5152, 5280, 0, 2160, 2168, 2178, 2250, 0,
1247 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1248 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1249 /* 102 - 4096x2160@60Hz 256:135 */
1250 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 4184,
1251 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1252 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1253 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1254 /* 103 - 3840x2160@24Hz 64:27 */
1255 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 5116,
1256 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1257 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1258 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1259 /* 104 - 3840x2160@25Hz 64:27 */
1260 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4896,
1261 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1262 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1263 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1264 /* 105 - 3840x2160@30Hz 64:27 */
1265 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000, 3840, 4016,
1266 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1267 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1268 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1269 /* 106 - 3840x2160@50Hz 64:27 */
1270 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4896,
1271 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1272 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1273 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1274 /* 107 - 3840x2160@60Hz 64:27 */
1275 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 4016,
1276 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1277 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1278 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1279 /* 108 - 1280x720@48Hz 16:9 */
1280 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1281 2280, 2500, 0, 720, 725, 730, 750, 0,
1282 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1283 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1284 /* 109 - 1280x720@48Hz 64:27 */
1285 { DRM_MODE("1280x720", DRM_MODE_TYPE_DRIVER, 90000, 1280, 2240,
1286 2280, 2500, 0, 720, 725, 730, 750, 0,
1287 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1288 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1289 /* 110 - 1680x720@48Hz 64:27 */
1290 { DRM_MODE("1680x720", DRM_MODE_TYPE_DRIVER, 99000, 1680, 2490,
1291 2530, 2750, 0, 720, 725, 730, 750, 0,
1292 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1293 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1294 /* 111 - 1920x1080@48Hz 16:9 */
1295 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1296 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1297 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1298 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1299 /* 112 - 1920x1080@48Hz 64:27 */
1300 { DRM_MODE("1920x1080", DRM_MODE_TYPE_DRIVER, 148500, 1920, 2558,
1301 2602, 2750, 0, 1080, 1084, 1089, 1125, 0,
1302 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1303 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1304 /* 113 - 2560x1080@48Hz 64:27 */
1305 { DRM_MODE("2560x1080", DRM_MODE_TYPE_DRIVER, 198000, 2560, 3558,
1306 3602, 3750, 0, 1080, 1084, 1089, 1100, 0,
1307 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1308 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1309 /* 114 - 3840x2160@48Hz 16:9 */
1310 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1311 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1312 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1313 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1314 /* 115 - 4096x2160@48Hz 256:135 */
1315 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 594000, 4096, 5116,
1316 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1317 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1318 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1319 /* 116 - 3840x2160@48Hz 64:27 */
1320 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 594000, 3840, 5116,
1321 5204, 5500, 0, 2160, 2168, 2178, 2250, 0,
1322 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1323 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1324 /* 117 - 3840x2160@100Hz 16:9 */
1325 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1326 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1327 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1328 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1329 /* 118 - 3840x2160@120Hz 16:9 */
1330 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1331 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1332 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1333 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1334 /* 119 - 3840x2160@100Hz 64:27 */
1335 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4896,
1336 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1337 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1338 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1339 /* 120 - 3840x2160@120Hz 64:27 */
1340 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 1188000, 3840, 4016,
1341 4104, 4400, 0, 2160, 2168, 2178, 2250, 0,
1342 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1343 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1344 /* 121 - 5120x2160@24Hz 64:27 */
1345 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 7116,
1346 7204, 7500, 0, 2160, 2168, 2178, 2200, 0,
1347 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1348 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1349 /* 122 - 5120x2160@25Hz 64:27 */
1350 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 6816,
1351 6904, 7200, 0, 2160, 2168, 2178, 2200, 0,
1352 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1353 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1354 /* 123 - 5120x2160@30Hz 64:27 */
1355 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 396000, 5120, 5784,
1356 5872, 6000, 0, 2160, 2168, 2178, 2200, 0,
1357 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1358 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1359 /* 124 - 5120x2160@48Hz 64:27 */
1360 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5866,
1361 5954, 6250, 0, 2160, 2168, 2178, 2475, 0,
1362 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1363 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1364 /* 125 - 5120x2160@50Hz 64:27 */
1365 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 6216,
1366 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1367 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1368 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1369 /* 126 - 5120x2160@60Hz 64:27 */
1370 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 742500, 5120, 5284,
1371 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1372 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1373 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1374 /* 127 - 5120x2160@100Hz 64:27 */
1375 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 6216,
1376 6304, 6600, 0, 2160, 2168, 2178, 2250, 0,
1377 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1378 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1379};
1380
1381/*
1382 * From CEA/CTA-861 spec.
1383 *
1384 * Do not access directly, instead always use cea_mode_for_vic().
1385 */
1386static const struct drm_display_mode edid_cea_modes_193[] = {
1387 /* 193 - 5120x2160@120Hz 64:27 */
1388 { DRM_MODE("5120x2160", DRM_MODE_TYPE_DRIVER, 1485000, 5120, 5284,
1389 5372, 5500, 0, 2160, 2168, 2178, 2250, 0,
1390 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1391 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1392 /* 194 - 7680x4320@24Hz 16:9 */
1393 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1394 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1395 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1396 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1397 /* 195 - 7680x4320@25Hz 16:9 */
1398 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1399 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1400 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1401 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1402 /* 196 - 7680x4320@30Hz 16:9 */
1403 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1404 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1405 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1406 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1407 /* 197 - 7680x4320@48Hz 16:9 */
1408 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1409 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1410 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1411 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1412 /* 198 - 7680x4320@50Hz 16:9 */
1413 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1414 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1415 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1416 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1417 /* 199 - 7680x4320@60Hz 16:9 */
1418 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1419 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1420 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1421 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1422 /* 200 - 7680x4320@100Hz 16:9 */
1423 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1424 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1425 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1426 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1427 /* 201 - 7680x4320@120Hz 16:9 */
1428 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1429 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1430 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1431 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1432 /* 202 - 7680x4320@24Hz 64:27 */
1433 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10232,
1434 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1435 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1436 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1437 /* 203 - 7680x4320@25Hz 64:27 */
1438 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 10032,
1439 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1440 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1441 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1442 /* 204 - 7680x4320@30Hz 64:27 */
1443 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 1188000, 7680, 8232,
1444 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1445 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1446 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1447 /* 205 - 7680x4320@48Hz 64:27 */
1448 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10232,
1449 10408, 11000, 0, 4320, 4336, 4356, 4500, 0,
1450 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1451 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1452 /* 206 - 7680x4320@50Hz 64:27 */
1453 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 10032,
1454 10208, 10800, 0, 4320, 4336, 4356, 4400, 0,
1455 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1456 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1457 /* 207 - 7680x4320@60Hz 64:27 */
1458 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 2376000, 7680, 8232,
1459 8408, 9000, 0, 4320, 4336, 4356, 4400, 0,
1460 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1461 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1462 /* 208 - 7680x4320@100Hz 64:27 */
1463 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 9792,
1464 9968, 10560, 0, 4320, 4336, 4356, 4500, 0,
1465 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1466 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1467 /* 209 - 7680x4320@120Hz 64:27 */
1468 { DRM_MODE("7680x4320", DRM_MODE_TYPE_DRIVER, 4752000, 7680, 8032,
1469 8208, 8800, 0, 4320, 4336, 4356, 4500, 0,
1470 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1471 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1472 /* 210 - 10240x4320@24Hz 64:27 */
1473 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 11732,
1474 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1475 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1476 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1477 /* 211 - 10240x4320@25Hz 64:27 */
1478 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 12732,
1479 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1480 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1481 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1482 /* 212 - 10240x4320@30Hz 64:27 */
1483 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 1485000, 10240, 10528,
1484 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1485 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1486 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1487 /* 213 - 10240x4320@48Hz 64:27 */
1488 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 11732,
1489 11908, 12500, 0, 4320, 4336, 4356, 4950, 0,
1490 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1491 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1492 /* 214 - 10240x4320@50Hz 64:27 */
1493 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 12732,
1494 12908, 13500, 0, 4320, 4336, 4356, 4400, 0,
1495 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1496 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1497 /* 215 - 10240x4320@60Hz 64:27 */
1498 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 2970000, 10240, 10528,
1499 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1500 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1501 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1502 /* 216 - 10240x4320@100Hz 64:27 */
1503 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 12432,
1504 12608, 13200, 0, 4320, 4336, 4356, 4500, 0,
1505 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1506 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1507 /* 217 - 10240x4320@120Hz 64:27 */
1508 { DRM_MODE("10240x4320", DRM_MODE_TYPE_DRIVER, 5940000, 10240, 10528,
1509 10704, 11000, 0, 4320, 4336, 4356, 4500, 0,
1510 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1511 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_64_27, },
1512 /* 218 - 4096x2160@100Hz 256:135 */
1513 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4896,
1514 4984, 5280, 0, 2160, 2168, 2178, 2250, 0,
1515 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1516 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1517 /* 219 - 4096x2160@120Hz 256:135 */
1518 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 1188000, 4096, 4184,
1519 4272, 4400, 0, 2160, 2168, 2178, 2250, 0,
1520 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1521 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1522};
1523
1524/*
1525 * HDMI 1.4 4k modes. Index using the VIC.
1526 */
1527static const struct drm_display_mode edid_4k_modes[] = {
1528 /* 0 - dummy, VICs start at 1 */
1529 { },
1530 /* 1 - 3840x2160@30Hz */
1531 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1532 3840, 4016, 4104, 4400, 0,
1533 2160, 2168, 2178, 2250, 0,
1534 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1535 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1536 /* 2 - 3840x2160@25Hz */
1537 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1538 3840, 4896, 4984, 5280, 0,
1539 2160, 2168, 2178, 2250, 0,
1540 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1541 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1542 /* 3 - 3840x2160@24Hz */
1543 { DRM_MODE("3840x2160", DRM_MODE_TYPE_DRIVER, 297000,
1544 3840, 5116, 5204, 5500, 0,
1545 2160, 2168, 2178, 2250, 0,
1546 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1547 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_16_9, },
1548 /* 4 - 4096x2160@24Hz (SMPTE) */
1549 { DRM_MODE("4096x2160", DRM_MODE_TYPE_DRIVER, 297000,
1550 4096, 5116, 5204, 5500, 0,
1551 2160, 2168, 2178, 2250, 0,
1552 DRM_MODE_FLAG_PHSYNC | DRM_MODE_FLAG_PVSYNC),
1553 .picture_aspect_ratio = HDMI_PICTURE_ASPECT_256_135, },
1554};
1555
1556/*** DDC fetch and block validation ***/
1557
1558static const u8 edid_header[] = {
1559 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
1560};
1561
1562/**
1563 * drm_edid_header_is_valid - sanity check the header of the base EDID block
1564 * @raw_edid: pointer to raw base EDID block
1565 *
1566 * Sanity check the header of the base EDID block.
1567 *
1568 * Return: 8 if the header is perfect, down to 0 if it's totally wrong.
1569 */
1570int drm_edid_header_is_valid(const u8 *raw_edid)
1571{
1572 int i, score = 0;
1573
1574 for (i = 0; i < sizeof(edid_header); i++)
1575 if (raw_edid[i] == edid_header[i])
1576 score++;
1577
1578 return score;
1579}
1580EXPORT_SYMBOL(drm_edid_header_is_valid);
1581
1582static int edid_fixup __read_mostly = 6;
1583module_param_named(edid_fixup, edid_fixup, int, 0400);
1584MODULE_PARM_DESC(edid_fixup,
1585 "Minimum number of valid EDID header bytes (0-8, default 6)");
1586
1587static int validate_displayid(u8 *displayid, int length, int idx);
1588
1589static int drm_edid_block_checksum(const u8 *raw_edid)
1590{
1591 int i;
1592 u8 csum = 0, crc = 0;
1593
1594 for (i = 0; i < EDID_LENGTH - 1; i++)
1595 csum += raw_edid[i];
1596
1597 crc = 0x100 - csum;
1598
1599 return crc;
1600}
1601
1602static bool drm_edid_block_checksum_diff(const u8 *raw_edid, u8 real_checksum)
1603{
1604 if (raw_edid[EDID_LENGTH - 1] != real_checksum)
1605 return true;
1606 else
1607 return false;
1608}
1609
1610static bool drm_edid_is_zero(const u8 *in_edid, int length)
1611{
1612 if (memchr_inv(in_edid, 0, length))
1613 return false;
1614
1615 return true;
1616}
1617
1618/**
1619 * drm_edid_are_equal - compare two edid blobs.
1620 * @edid1: pointer to first blob
1621 * @edid2: pointer to second blob
1622 * This helper can be used during probing to determine if
1623 * edid had changed.
1624 */
1625bool drm_edid_are_equal(const struct edid *edid1, const struct edid *edid2)
1626{
1627 int edid1_len, edid2_len;
1628 bool edid1_present = edid1 != NULL;
1629 bool edid2_present = edid2 != NULL;
1630
1631 if (edid1_present != edid2_present)
1632 return false;
1633
1634 if (edid1) {
1635 edid1_len = EDID_LENGTH * (1 + edid1->extensions);
1636 edid2_len = EDID_LENGTH * (1 + edid2->extensions);
1637
1638 if (edid1_len != edid2_len)
1639 return false;
1640
1641 if (memcmp(edid1, edid2, edid1_len))
1642 return false;
1643 }
1644
1645 return true;
1646}
1647EXPORT_SYMBOL(drm_edid_are_equal);
1648
1649/**
1650 * drm_edid_block_valid - Sanity check the EDID block (base or extension)
1651 * @raw_edid: pointer to raw EDID block
1652 * @block: type of block to validate (0 for base, extension otherwise)
1653 * @print_bad_edid: if true, dump bad EDID blocks to the console
1654 * @edid_corrupt: if true, the header or checksum is invalid
1655 *
1656 * Validate a base or extension EDID block and optionally dump bad blocks to
1657 * the console.
1658 *
1659 * Return: True if the block is valid, false otherwise.
1660 */
1661bool drm_edid_block_valid(u8 *raw_edid, int block, bool print_bad_edid,
1662 bool *edid_corrupt)
1663{
1664 u8 csum;
1665 struct edid *edid = (struct edid *)raw_edid;
1666
1667 if (WARN_ON(!raw_edid))
1668 return false;
1669
1670 if (edid_fixup > 8 || edid_fixup < 0)
1671 edid_fixup = 6;
1672
1673 if (block == 0) {
1674 int score = drm_edid_header_is_valid(raw_edid);
1675
1676 if (score == 8) {
1677 if (edid_corrupt)
1678 *edid_corrupt = false;
1679 } else if (score >= edid_fixup) {
1680 /* Displayport Link CTS Core 1.2 rev1.1 test 4.2.2.6
1681 * The corrupt flag needs to be set here otherwise, the
1682 * fix-up code here will correct the problem, the
1683 * checksum is correct and the test fails
1684 */
1685 if (edid_corrupt)
1686 *edid_corrupt = true;
1687 DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
1688 memcpy(raw_edid, edid_header, sizeof(edid_header));
1689 } else {
1690 if (edid_corrupt)
1691 *edid_corrupt = true;
1692 goto bad;
1693 }
1694 }
1695
1696 csum = drm_edid_block_checksum(raw_edid);
1697 if (drm_edid_block_checksum_diff(raw_edid, csum)) {
1698 if (edid_corrupt)
1699 *edid_corrupt = true;
1700
1701 /* allow CEA to slide through, switches mangle this */
1702 if (raw_edid[0] == CEA_EXT) {
1703 DRM_DEBUG("EDID checksum is invalid, remainder is %d\n", csum);
1704 DRM_DEBUG("Assuming a KVM switch modified the CEA block but left the original checksum\n");
1705 } else {
1706 if (print_bad_edid)
1707 DRM_NOTE("EDID checksum is invalid, remainder is %d\n", csum);
1708
1709 goto bad;
1710 }
1711 }
1712
1713 /* per-block-type checks */
1714 switch (raw_edid[0]) {
1715 case 0: /* base */
1716 if (edid->version != 1) {
1717 DRM_NOTE("EDID has major version %d, instead of 1\n", edid->version);
1718 goto bad;
1719 }
1720
1721 if (edid->revision > 4)
1722 DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
1723 break;
1724
1725 default:
1726 break;
1727 }
1728
1729 return true;
1730
1731bad:
1732 if (print_bad_edid) {
1733 if (drm_edid_is_zero(raw_edid, EDID_LENGTH)) {
1734 pr_notice("EDID block is all zeroes\n");
1735 } else {
1736 pr_notice("Raw EDID:\n");
1737 print_hex_dump(KERN_NOTICE,
1738 " \t", DUMP_PREFIX_NONE, 16, 1,
1739 raw_edid, EDID_LENGTH, false);
1740 }
1741 }
1742 return false;
1743}
1744EXPORT_SYMBOL(drm_edid_block_valid);
1745
1746/**
1747 * drm_edid_is_valid - sanity check EDID data
1748 * @edid: EDID data
1749 *
1750 * Sanity-check an entire EDID record (including extensions)
1751 *
1752 * Return: True if the EDID data is valid, false otherwise.
1753 */
1754bool drm_edid_is_valid(struct edid *edid)
1755{
1756 int i;
1757 u8 *raw = (u8 *)edid;
1758
1759 if (!edid)
1760 return false;
1761
1762 for (i = 0; i <= edid->extensions; i++)
1763 if (!drm_edid_block_valid(raw + i * EDID_LENGTH, i, true, NULL))
1764 return false;
1765
1766 return true;
1767}
1768EXPORT_SYMBOL(drm_edid_is_valid);
1769
1770#define DDC_SEGMENT_ADDR 0x30
1771/**
1772 * drm_do_probe_ddc_edid() - get EDID information via I2C
1773 * @data: I2C device adapter
1774 * @buf: EDID data buffer to be filled
1775 * @block: 128 byte EDID block to start fetching from
1776 * @len: EDID data buffer length to fetch
1777 *
1778 * Try to fetch EDID information by calling I2C driver functions.
1779 *
1780 * Return: 0 on success or -1 on failure.
1781 */
1782static int
1783drm_do_probe_ddc_edid(void *data, u8 *buf, unsigned int block, size_t len)
1784{
1785 struct i2c_adapter *adapter = data;
1786 unsigned char start = block * EDID_LENGTH;
1787 unsigned char segment = block >> 1;
1788 unsigned char xfers = segment ? 3 : 2;
1789 int ret, retries = 5;
1790
1791 /*
1792 * The core I2C driver will automatically retry the transfer if the
1793 * adapter reports EAGAIN. However, we find that bit-banging transfers
1794 * are susceptible to errors under a heavily loaded machine and
1795 * generate spurious NAKs and timeouts. Retrying the transfer
1796 * of the individual block a few times seems to overcome this.
1797 */
1798 do {
1799 struct i2c_msg msgs[] = {
1800 {
1801 .addr = DDC_SEGMENT_ADDR,
1802 .flags = 0,
1803 .len = 1,
1804 .buf = &segment,
1805 }, {
1806 .addr = DDC_ADDR,
1807 .flags = 0,
1808 .len = 1,
1809 .buf = &start,
1810 }, {
1811 .addr = DDC_ADDR,
1812 .flags = I2C_M_RD,
1813 .len = len,
1814 .buf = buf,
1815 }
1816 };
1817
1818 /*
1819 * Avoid sending the segment addr to not upset non-compliant
1820 * DDC monitors.
1821 */
1822 ret = i2c_transfer(adapter, &msgs[3 - xfers], xfers);
1823
1824 if (ret == -ENXIO) {
1825 DRM_DEBUG_KMS("drm: skipping non-existent adapter %s\n",
1826 adapter->name);
1827 break;
1828 }
1829 } while (ret != xfers && --retries);
1830
1831 return ret == xfers ? 0 : -1;
1832}
1833
1834static void connector_bad_edid(struct drm_connector *connector,
1835 u8 *edid, int num_blocks)
1836{
1837 int i;
1838 u8 num_of_ext = edid[0x7e];
1839
1840 /* Calculate real checksum for the last edid extension block data */
1841 connector->real_edid_checksum =
1842 drm_edid_block_checksum(edid + num_of_ext * EDID_LENGTH);
1843
1844 if (connector->bad_edid_counter++ && !drm_debug_enabled(DRM_UT_KMS))
1845 return;
1846
1847 drm_warn(connector->dev, "%s: EDID is invalid:\n", connector->name);
1848 for (i = 0; i < num_blocks; i++) {
1849 u8 *block = edid + i * EDID_LENGTH;
1850 char prefix[20];
1851
1852 if (drm_edid_is_zero(block, EDID_LENGTH))
1853 sprintf(prefix, "\t[%02x] ZERO ", i);
1854 else if (!drm_edid_block_valid(block, i, false, NULL))
1855 sprintf(prefix, "\t[%02x] BAD ", i);
1856 else
1857 sprintf(prefix, "\t[%02x] GOOD ", i);
1858
1859 print_hex_dump(KERN_WARNING,
1860 prefix, DUMP_PREFIX_NONE, 16, 1,
1861 block, EDID_LENGTH, false);
1862 }
1863}
1864
1865/* Get override or firmware EDID */
1866static struct edid *drm_get_override_edid(struct drm_connector *connector)
1867{
1868 struct edid *override = NULL;
1869
1870 if (connector->override_edid)
1871 override = drm_edid_duplicate(connector->edid_blob_ptr->data);
1872
1873 if (!override)
1874 override = drm_load_edid_firmware(connector);
1875
1876 return IS_ERR(override) ? NULL : override;
1877}
1878
1879/**
1880 * drm_add_override_edid_modes - add modes from override/firmware EDID
1881 * @connector: connector we're probing
1882 *
1883 * Add modes from the override/firmware EDID, if available. Only to be used from
1884 * drm_helper_probe_single_connector_modes() as a fallback for when DDC probe
1885 * failed during drm_get_edid() and caused the override/firmware EDID to be
1886 * skipped.
1887 *
1888 * Return: The number of modes added or 0 if we couldn't find any.
1889 */
1890int drm_add_override_edid_modes(struct drm_connector *connector)
1891{
1892 struct edid *override;
1893 int num_modes = 0;
1894
1895 override = drm_get_override_edid(connector);
1896 if (override) {
1897 drm_connector_update_edid_property(connector, override);
1898 num_modes = drm_add_edid_modes(connector, override);
1899 kfree(override);
1900
1901 DRM_DEBUG_KMS("[CONNECTOR:%d:%s] adding %d modes via fallback override/firmware EDID\n",
1902 connector->base.id, connector->name, num_modes);
1903 }
1904
1905 return num_modes;
1906}
1907EXPORT_SYMBOL(drm_add_override_edid_modes);
1908
1909/**
1910 * drm_do_get_edid - get EDID data using a custom EDID block read function
1911 * @connector: connector we're probing
1912 * @get_edid_block: EDID block read function
1913 * @data: private data passed to the block read function
1914 *
1915 * When the I2C adapter connected to the DDC bus is hidden behind a device that
1916 * exposes a different interface to read EDID blocks this function can be used
1917 * to get EDID data using a custom block read function.
1918 *
1919 * As in the general case the DDC bus is accessible by the kernel at the I2C
1920 * level, drivers must make all reasonable efforts to expose it as an I2C
1921 * adapter and use drm_get_edid() instead of abusing this function.
1922 *
1923 * The EDID may be overridden using debugfs override_edid or firmare EDID
1924 * (drm_load_edid_firmware() and drm.edid_firmware parameter), in this priority
1925 * order. Having either of them bypasses actual EDID reads.
1926 *
1927 * Return: Pointer to valid EDID or NULL if we couldn't find any.
1928 */
1929struct edid *drm_do_get_edid(struct drm_connector *connector,
1930 int (*get_edid_block)(void *data, u8 *buf, unsigned int block,
1931 size_t len),
1932 void *data)
1933{
1934 int i, j = 0, valid_extensions = 0;
1935 u8 *edid, *new;
1936 struct edid *override;
1937
1938 override = drm_get_override_edid(connector);
1939 if (override)
1940 return override;
1941
1942 if ((edid = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
1943 return NULL;
1944
1945 /* base block fetch */
1946 for (i = 0; i < 4; i++) {
1947 if (get_edid_block(data, edid, 0, EDID_LENGTH))
1948 goto out;
1949 if (drm_edid_block_valid(edid, 0, false,
1950 &connector->edid_corrupt))
1951 break;
1952 if (i == 0 && drm_edid_is_zero(edid, EDID_LENGTH)) {
1953 connector->null_edid_counter++;
1954 goto carp;
1955 }
1956 }
1957 if (i == 4)
1958 goto carp;
1959
1960 /* if there's no extensions, we're done */
1961 valid_extensions = edid[0x7e];
1962 if (valid_extensions == 0)
1963 return (struct edid *)edid;
1964
1965 new = krealloc(edid, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
1966 if (!new)
1967 goto out;
1968 edid = new;
1969
1970 for (j = 1; j <= edid[0x7e]; j++) {
1971 u8 *block = edid + j * EDID_LENGTH;
1972
1973 for (i = 0; i < 4; i++) {
1974 if (get_edid_block(data, block, j, EDID_LENGTH))
1975 goto out;
1976 if (drm_edid_block_valid(block, j, false, NULL))
1977 break;
1978 }
1979
1980 if (i == 4)
1981 valid_extensions--;
1982 }
1983
1984 if (valid_extensions != edid[0x7e]) {
1985 u8 *base;
1986
1987 connector_bad_edid(connector, edid, edid[0x7e] + 1);
1988
1989 edid[EDID_LENGTH-1] += edid[0x7e] - valid_extensions;
1990 edid[0x7e] = valid_extensions;
1991
1992 new = kmalloc_array(valid_extensions + 1, EDID_LENGTH,
1993 GFP_KERNEL);
1994 if (!new)
1995 goto out;
1996
1997 base = new;
1998 for (i = 0; i <= edid[0x7e]; i++) {
1999 u8 *block = edid + i * EDID_LENGTH;
2000
2001 if (!drm_edid_block_valid(block, i, false, NULL))
2002 continue;
2003
2004 memcpy(base, block, EDID_LENGTH);
2005 base += EDID_LENGTH;
2006 }
2007
2008 kfree(edid);
2009 edid = new;
2010 }
2011
2012 return (struct edid *)edid;
2013
2014carp:
2015 connector_bad_edid(connector, edid, 1);
2016out:
2017 kfree(edid);
2018 return NULL;
2019}
2020EXPORT_SYMBOL_GPL(drm_do_get_edid);
2021
2022/**
2023 * drm_probe_ddc() - probe DDC presence
2024 * @adapter: I2C adapter to probe
2025 *
2026 * Return: True on success, false on failure.
2027 */
2028bool
2029drm_probe_ddc(struct i2c_adapter *adapter)
2030{
2031 unsigned char out;
2032
2033 return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
2034}
2035EXPORT_SYMBOL(drm_probe_ddc);
2036
2037/**
2038 * drm_get_edid - get EDID data, if available
2039 * @connector: connector we're probing
2040 * @adapter: I2C adapter to use for DDC
2041 *
2042 * Poke the given I2C channel to grab EDID data if possible. If found,
2043 * attach it to the connector.
2044 *
2045 * Return: Pointer to valid EDID or NULL if we couldn't find any.
2046 */
2047struct edid *drm_get_edid(struct drm_connector *connector,
2048 struct i2c_adapter *adapter)
2049{
2050 struct edid *edid;
2051
2052 if (connector->force == DRM_FORCE_OFF)
2053 return NULL;
2054
2055 if (connector->force == DRM_FORCE_UNSPECIFIED && !drm_probe_ddc(adapter))
2056 return NULL;
2057
2058 edid = drm_do_get_edid(connector, drm_do_probe_ddc_edid, adapter);
2059 drm_connector_update_edid_property(connector, edid);
2060 return edid;
2061}
2062EXPORT_SYMBOL(drm_get_edid);
2063
2064/**
2065 * drm_get_edid_switcheroo - get EDID data for a vga_switcheroo output
2066 * @connector: connector we're probing
2067 * @adapter: I2C adapter to use for DDC
2068 *
2069 * Wrapper around drm_get_edid() for laptops with dual GPUs using one set of
2070 * outputs. The wrapper adds the requisite vga_switcheroo calls to temporarily
2071 * switch DDC to the GPU which is retrieving EDID.
2072 *
2073 * Return: Pointer to valid EDID or %NULL if we couldn't find any.
2074 */
2075struct edid *drm_get_edid_switcheroo(struct drm_connector *connector,
2076 struct i2c_adapter *adapter)
2077{
2078 struct pci_dev *pdev = connector->dev->pdev;
2079 struct edid *edid;
2080
2081 vga_switcheroo_lock_ddc(pdev);
2082 edid = drm_get_edid(connector, adapter);
2083 vga_switcheroo_unlock_ddc(pdev);
2084
2085 return edid;
2086}
2087EXPORT_SYMBOL(drm_get_edid_switcheroo);
2088
2089/**
2090 * drm_edid_duplicate - duplicate an EDID and the extensions
2091 * @edid: EDID to duplicate
2092 *
2093 * Return: Pointer to duplicated EDID or NULL on allocation failure.
2094 */
2095struct edid *drm_edid_duplicate(const struct edid *edid)
2096{
2097 return kmemdup(edid, (edid->extensions + 1) * EDID_LENGTH, GFP_KERNEL);
2098}
2099EXPORT_SYMBOL(drm_edid_duplicate);
2100
2101/*** EDID parsing ***/
2102
2103/**
2104 * edid_vendor - match a string against EDID's obfuscated vendor field
2105 * @edid: EDID to match
2106 * @vendor: vendor string
2107 *
2108 * Returns true if @vendor is in @edid, false otherwise
2109 */
2110static bool edid_vendor(const struct edid *edid, const char *vendor)
2111{
2112 char edid_vendor[3];
2113
2114 edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
2115 edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
2116 ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
2117 edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
2118
2119 return !strncmp(edid_vendor, vendor, 3);
2120}
2121
2122/**
2123 * edid_get_quirks - return quirk flags for a given EDID
2124 * @edid: EDID to process
2125 *
2126 * This tells subsequent routines what fixes they need to apply.
2127 */
2128static u32 edid_get_quirks(const struct edid *edid)
2129{
2130 const struct edid_quirk *quirk;
2131 int i;
2132
2133 for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
2134 quirk = &edid_quirk_list[i];
2135
2136 if (edid_vendor(edid, quirk->vendor) &&
2137 (EDID_PRODUCT_ID(edid) == quirk->product_id))
2138 return quirk->quirks;
2139 }
2140
2141 return 0;
2142}
2143
2144#define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
2145#define MODE_REFRESH_DIFF(c,t) (abs((c) - (t)))
2146
2147/**
2148 * edid_fixup_preferred - set preferred modes based on quirk list
2149 * @connector: has mode list to fix up
2150 * @quirks: quirks list
2151 *
2152 * Walk the mode list for @connector, clearing the preferred status
2153 * on existing modes and setting it anew for the right mode ala @quirks.
2154 */
2155static void edid_fixup_preferred(struct drm_connector *connector,
2156 u32 quirks)
2157{
2158 struct drm_display_mode *t, *cur_mode, *preferred_mode;
2159 int target_refresh = 0;
2160 int cur_vrefresh, preferred_vrefresh;
2161
2162 if (list_empty(&connector->probed_modes))
2163 return;
2164
2165 if (quirks & EDID_QUIRK_PREFER_LARGE_60)
2166 target_refresh = 60;
2167 if (quirks & EDID_QUIRK_PREFER_LARGE_75)
2168 target_refresh = 75;
2169
2170 preferred_mode = list_first_entry(&connector->probed_modes,
2171 struct drm_display_mode, head);
2172
2173 list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
2174 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
2175
2176 if (cur_mode == preferred_mode)
2177 continue;
2178
2179 /* Largest mode is preferred */
2180 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
2181 preferred_mode = cur_mode;
2182
2183 cur_vrefresh = drm_mode_vrefresh(cur_mode);
2184 preferred_vrefresh = drm_mode_vrefresh(preferred_mode);
2185 /* At a given size, try to get closest to target refresh */
2186 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
2187 MODE_REFRESH_DIFF(cur_vrefresh, target_refresh) <
2188 MODE_REFRESH_DIFF(preferred_vrefresh, target_refresh)) {
2189 preferred_mode = cur_mode;
2190 }
2191 }
2192
2193 preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
2194}
2195
2196static bool
2197mode_is_rb(const struct drm_display_mode *mode)
2198{
2199 return (mode->htotal - mode->hdisplay == 160) &&
2200 (mode->hsync_end - mode->hdisplay == 80) &&
2201 (mode->hsync_end - mode->hsync_start == 32) &&
2202 (mode->vsync_start - mode->vdisplay == 3);
2203}
2204
2205/*
2206 * drm_mode_find_dmt - Create a copy of a mode if present in DMT
2207 * @dev: Device to duplicate against
2208 * @hsize: Mode width
2209 * @vsize: Mode height
2210 * @fresh: Mode refresh rate
2211 * @rb: Mode reduced-blanking-ness
2212 *
2213 * Walk the DMT mode list looking for a match for the given parameters.
2214 *
2215 * Return: A newly allocated copy of the mode, or NULL if not found.
2216 */
2217struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
2218 int hsize, int vsize, int fresh,
2219 bool rb)
2220{
2221 int i;
2222
2223 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2224 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
2225
2226 if (hsize != ptr->hdisplay)
2227 continue;
2228 if (vsize != ptr->vdisplay)
2229 continue;
2230 if (fresh != drm_mode_vrefresh(ptr))
2231 continue;
2232 if (rb != mode_is_rb(ptr))
2233 continue;
2234
2235 return drm_mode_duplicate(dev, ptr);
2236 }
2237
2238 return NULL;
2239}
2240EXPORT_SYMBOL(drm_mode_find_dmt);
2241
2242static bool is_display_descriptor(const u8 d[18], u8 tag)
2243{
2244 return d[0] == 0x00 && d[1] == 0x00 &&
2245 d[2] == 0x00 && d[3] == tag;
2246}
2247
2248static bool is_detailed_timing_descriptor(const u8 d[18])
2249{
2250 return d[0] != 0x00 || d[1] != 0x00;
2251}
2252
2253typedef void detailed_cb(struct detailed_timing *timing, void *closure);
2254
2255static void
2256cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2257{
2258 int i, n;
2259 u8 d = ext[0x02];
2260 u8 *det_base = ext + d;
2261
2262 if (d < 4 || d > 127)
2263 return;
2264
2265 n = (127 - d) / 18;
2266 for (i = 0; i < n; i++)
2267 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2268}
2269
2270static void
2271vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
2272{
2273 unsigned int i, n = min((int)ext[0x02], 6);
2274 u8 *det_base = ext + 5;
2275
2276 if (ext[0x01] != 1)
2277 return; /* unknown version */
2278
2279 for (i = 0; i < n; i++)
2280 cb((struct detailed_timing *)(det_base + 18 * i), closure);
2281}
2282
2283static void
2284drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
2285{
2286 int i;
2287 struct edid *edid = (struct edid *)raw_edid;
2288
2289 if (edid == NULL)
2290 return;
2291
2292 for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
2293 cb(&(edid->detailed_timings[i]), closure);
2294
2295 for (i = 1; i <= raw_edid[0x7e]; i++) {
2296 u8 *ext = raw_edid + (i * EDID_LENGTH);
2297
2298 switch (*ext) {
2299 case CEA_EXT:
2300 cea_for_each_detailed_block(ext, cb, closure);
2301 break;
2302 case VTB_EXT:
2303 vtb_for_each_detailed_block(ext, cb, closure);
2304 break;
2305 default:
2306 break;
2307 }
2308 }
2309}
2310
2311static void
2312is_rb(struct detailed_timing *t, void *data)
2313{
2314 u8 *r = (u8 *)t;
2315
2316 if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2317 return;
2318
2319 if (r[15] & 0x10)
2320 *(bool *)data = true;
2321}
2322
2323/* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
2324static bool
2325drm_monitor_supports_rb(struct edid *edid)
2326{
2327 if (edid->revision >= 4) {
2328 bool ret = false;
2329
2330 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
2331 return ret;
2332 }
2333
2334 return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
2335}
2336
2337static void
2338find_gtf2(struct detailed_timing *t, void *data)
2339{
2340 u8 *r = (u8 *)t;
2341
2342 if (!is_display_descriptor(r, EDID_DETAIL_MONITOR_RANGE))
2343 return;
2344
2345 if (r[10] == 0x02)
2346 *(u8 **)data = r;
2347}
2348
2349/* Secondary GTF curve kicks in above some break frequency */
2350static int
2351drm_gtf2_hbreak(struct edid *edid)
2352{
2353 u8 *r = NULL;
2354
2355 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2356 return r ? (r[12] * 2) : 0;
2357}
2358
2359static int
2360drm_gtf2_2c(struct edid *edid)
2361{
2362 u8 *r = NULL;
2363
2364 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2365 return r ? r[13] : 0;
2366}
2367
2368static int
2369drm_gtf2_m(struct edid *edid)
2370{
2371 u8 *r = NULL;
2372
2373 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2374 return r ? (r[15] << 8) + r[14] : 0;
2375}
2376
2377static int
2378drm_gtf2_k(struct edid *edid)
2379{
2380 u8 *r = NULL;
2381
2382 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2383 return r ? r[16] : 0;
2384}
2385
2386static int
2387drm_gtf2_2j(struct edid *edid)
2388{
2389 u8 *r = NULL;
2390
2391 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
2392 return r ? r[17] : 0;
2393}
2394
2395/**
2396 * standard_timing_level - get std. timing level(CVT/GTF/DMT)
2397 * @edid: EDID block to scan
2398 */
2399static int standard_timing_level(struct edid *edid)
2400{
2401 if (edid->revision >= 2) {
2402 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
2403 return LEVEL_CVT;
2404 if (drm_gtf2_hbreak(edid))
2405 return LEVEL_GTF2;
2406 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
2407 return LEVEL_GTF;
2408 }
2409 return LEVEL_DMT;
2410}
2411
2412/*
2413 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
2414 * monitors fill with ascii space (0x20) instead.
2415 */
2416static int
2417bad_std_timing(u8 a, u8 b)
2418{
2419 return (a == 0x00 && b == 0x00) ||
2420 (a == 0x01 && b == 0x01) ||
2421 (a == 0x20 && b == 0x20);
2422}
2423
2424static int drm_mode_hsync(const struct drm_display_mode *mode)
2425{
2426 if (mode->htotal <= 0)
2427 return 0;
2428
2429 return DIV_ROUND_CLOSEST(mode->clock, mode->htotal);
2430}
2431
2432/**
2433 * drm_mode_std - convert standard mode info (width, height, refresh) into mode
2434 * @connector: connector of for the EDID block
2435 * @edid: EDID block to scan
2436 * @t: standard timing params
2437 *
2438 * Take the standard timing params (in this case width, aspect, and refresh)
2439 * and convert them into a real mode using CVT/GTF/DMT.
2440 */
2441static struct drm_display_mode *
2442drm_mode_std(struct drm_connector *connector, struct edid *edid,
2443 struct std_timing *t)
2444{
2445 struct drm_device *dev = connector->dev;
2446 struct drm_display_mode *m, *mode = NULL;
2447 int hsize, vsize;
2448 int vrefresh_rate;
2449 unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
2450 >> EDID_TIMING_ASPECT_SHIFT;
2451 unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
2452 >> EDID_TIMING_VFREQ_SHIFT;
2453 int timing_level = standard_timing_level(edid);
2454
2455 if (bad_std_timing(t->hsize, t->vfreq_aspect))
2456 return NULL;
2457
2458 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
2459 hsize = t->hsize * 8 + 248;
2460 /* vrefresh_rate = vfreq + 60 */
2461 vrefresh_rate = vfreq + 60;
2462 /* the vdisplay is calculated based on the aspect ratio */
2463 if (aspect_ratio == 0) {
2464 if (edid->revision < 3)
2465 vsize = hsize;
2466 else
2467 vsize = (hsize * 10) / 16;
2468 } else if (aspect_ratio == 1)
2469 vsize = (hsize * 3) / 4;
2470 else if (aspect_ratio == 2)
2471 vsize = (hsize * 4) / 5;
2472 else
2473 vsize = (hsize * 9) / 16;
2474
2475 /* HDTV hack, part 1 */
2476 if (vrefresh_rate == 60 &&
2477 ((hsize == 1360 && vsize == 765) ||
2478 (hsize == 1368 && vsize == 769))) {
2479 hsize = 1366;
2480 vsize = 768;
2481 }
2482
2483 /*
2484 * If this connector already has a mode for this size and refresh
2485 * rate (because it came from detailed or CVT info), use that
2486 * instead. This way we don't have to guess at interlace or
2487 * reduced blanking.
2488 */
2489 list_for_each_entry(m, &connector->probed_modes, head)
2490 if (m->hdisplay == hsize && m->vdisplay == vsize &&
2491 drm_mode_vrefresh(m) == vrefresh_rate)
2492 return NULL;
2493
2494 /* HDTV hack, part 2 */
2495 if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
2496 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
2497 false);
2498 if (!mode)
2499 return NULL;
2500 mode->hdisplay = 1366;
2501 mode->hsync_start = mode->hsync_start - 1;
2502 mode->hsync_end = mode->hsync_end - 1;
2503 return mode;
2504 }
2505
2506 /* check whether it can be found in default mode table */
2507 if (drm_monitor_supports_rb(edid)) {
2508 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate,
2509 true);
2510 if (mode)
2511 return mode;
2512 }
2513 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate, false);
2514 if (mode)
2515 return mode;
2516
2517 /* okay, generate it */
2518 switch (timing_level) {
2519 case LEVEL_DMT:
2520 break;
2521 case LEVEL_GTF:
2522 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2523 break;
2524 case LEVEL_GTF2:
2525 /*
2526 * This is potentially wrong if there's ever a monitor with
2527 * more than one ranges section, each claiming a different
2528 * secondary GTF curve. Please don't do that.
2529 */
2530 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
2531 if (!mode)
2532 return NULL;
2533 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
2534 drm_mode_destroy(dev, mode);
2535 mode = drm_gtf_mode_complex(dev, hsize, vsize,
2536 vrefresh_rate, 0, 0,
2537 drm_gtf2_m(edid),
2538 drm_gtf2_2c(edid),
2539 drm_gtf2_k(edid),
2540 drm_gtf2_2j(edid));
2541 }
2542 break;
2543 case LEVEL_CVT:
2544 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
2545 false);
2546 break;
2547 }
2548 return mode;
2549}
2550
2551/*
2552 * EDID is delightfully ambiguous about how interlaced modes are to be
2553 * encoded. Our internal representation is of frame height, but some
2554 * HDTV detailed timings are encoded as field height.
2555 *
2556 * The format list here is from CEA, in frame size. Technically we
2557 * should be checking refresh rate too. Whatever.
2558 */
2559static void
2560drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
2561 struct detailed_pixel_timing *pt)
2562{
2563 int i;
2564 static const struct {
2565 int w, h;
2566 } cea_interlaced[] = {
2567 { 1920, 1080 },
2568 { 720, 480 },
2569 { 1440, 480 },
2570 { 2880, 480 },
2571 { 720, 576 },
2572 { 1440, 576 },
2573 { 2880, 576 },
2574 };
2575
2576 if (!(pt->misc & DRM_EDID_PT_INTERLACED))
2577 return;
2578
2579 for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
2580 if ((mode->hdisplay == cea_interlaced[i].w) &&
2581 (mode->vdisplay == cea_interlaced[i].h / 2)) {
2582 mode->vdisplay *= 2;
2583 mode->vsync_start *= 2;
2584 mode->vsync_end *= 2;
2585 mode->vtotal *= 2;
2586 mode->vtotal |= 1;
2587 }
2588 }
2589
2590 mode->flags |= DRM_MODE_FLAG_INTERLACE;
2591}
2592
2593/**
2594 * drm_mode_detailed - create a new mode from an EDID detailed timing section
2595 * @dev: DRM device (needed to create new mode)
2596 * @edid: EDID block
2597 * @timing: EDID detailed timing info
2598 * @quirks: quirks to apply
2599 *
2600 * An EDID detailed timing block contains enough info for us to create and
2601 * return a new struct drm_display_mode.
2602 */
2603static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
2604 struct edid *edid,
2605 struct detailed_timing *timing,
2606 u32 quirks)
2607{
2608 struct drm_display_mode *mode;
2609 struct detailed_pixel_timing *pt = &timing->data.pixel_data;
2610 unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
2611 unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
2612 unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
2613 unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
2614 unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
2615 unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
2616 unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) << 2 | pt->vsync_offset_pulse_width_lo >> 4;
2617 unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
2618
2619 /* ignore tiny modes */
2620 if (hactive < 64 || vactive < 64)
2621 return NULL;
2622
2623 if (pt->misc & DRM_EDID_PT_STEREO) {
2624 DRM_DEBUG_KMS("stereo mode not supported\n");
2625 return NULL;
2626 }
2627 if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
2628 DRM_DEBUG_KMS("composite sync not supported\n");
2629 }
2630
2631 /* it is incorrect if hsync/vsync width is zero */
2632 if (!hsync_pulse_width || !vsync_pulse_width) {
2633 DRM_DEBUG_KMS("Incorrect Detailed timing. "
2634 "Wrong Hsync/Vsync pulse width\n");
2635 return NULL;
2636 }
2637
2638 if (quirks & EDID_QUIRK_FORCE_REDUCED_BLANKING) {
2639 mode = drm_cvt_mode(dev, hactive, vactive, 60, true, false, false);
2640 if (!mode)
2641 return NULL;
2642
2643 goto set_size;
2644 }
2645
2646 mode = drm_mode_create(dev);
2647 if (!mode)
2648 return NULL;
2649
2650 if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
2651 timing->pixel_clock = cpu_to_le16(1088);
2652
2653 mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
2654
2655 mode->hdisplay = hactive;
2656 mode->hsync_start = mode->hdisplay + hsync_offset;
2657 mode->hsync_end = mode->hsync_start + hsync_pulse_width;
2658 mode->htotal = mode->hdisplay + hblank;
2659
2660 mode->vdisplay = vactive;
2661 mode->vsync_start = mode->vdisplay + vsync_offset;
2662 mode->vsync_end = mode->vsync_start + vsync_pulse_width;
2663 mode->vtotal = mode->vdisplay + vblank;
2664
2665 /* Some EDIDs have bogus h/vtotal values */
2666 if (mode->hsync_end > mode->htotal)
2667 mode->htotal = mode->hsync_end + 1;
2668 if (mode->vsync_end > mode->vtotal)
2669 mode->vtotal = mode->vsync_end + 1;
2670
2671 drm_mode_do_interlace_quirk(mode, pt);
2672
2673 if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
2674 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
2675 }
2676
2677 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
2678 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
2679 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
2680 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
2681
2682set_size:
2683 mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
2684 mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
2685
2686 if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
2687 mode->width_mm *= 10;
2688 mode->height_mm *= 10;
2689 }
2690
2691 if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
2692 mode->width_mm = edid->width_cm * 10;
2693 mode->height_mm = edid->height_cm * 10;
2694 }
2695
2696 mode->type = DRM_MODE_TYPE_DRIVER;
2697 drm_mode_set_name(mode);
2698
2699 return mode;
2700}
2701
2702static bool
2703mode_in_hsync_range(const struct drm_display_mode *mode,
2704 struct edid *edid, u8 *t)
2705{
2706 int hsync, hmin, hmax;
2707
2708 hmin = t[7];
2709 if (edid->revision >= 4)
2710 hmin += ((t[4] & 0x04) ? 255 : 0);
2711 hmax = t[8];
2712 if (edid->revision >= 4)
2713 hmax += ((t[4] & 0x08) ? 255 : 0);
2714 hsync = drm_mode_hsync(mode);
2715
2716 return (hsync <= hmax && hsync >= hmin);
2717}
2718
2719static bool
2720mode_in_vsync_range(const struct drm_display_mode *mode,
2721 struct edid *edid, u8 *t)
2722{
2723 int vsync, vmin, vmax;
2724
2725 vmin = t[5];
2726 if (edid->revision >= 4)
2727 vmin += ((t[4] & 0x01) ? 255 : 0);
2728 vmax = t[6];
2729 if (edid->revision >= 4)
2730 vmax += ((t[4] & 0x02) ? 255 : 0);
2731 vsync = drm_mode_vrefresh(mode);
2732
2733 return (vsync <= vmax && vsync >= vmin);
2734}
2735
2736static u32
2737range_pixel_clock(struct edid *edid, u8 *t)
2738{
2739 /* unspecified */
2740 if (t[9] == 0 || t[9] == 255)
2741 return 0;
2742
2743 /* 1.4 with CVT support gives us real precision, yay */
2744 if (edid->revision >= 4 && t[10] == 0x04)
2745 return (t[9] * 10000) - ((t[12] >> 2) * 250);
2746
2747 /* 1.3 is pathetic, so fuzz up a bit */
2748 return t[9] * 10000 + 5001;
2749}
2750
2751static bool
2752mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
2753 struct detailed_timing *timing)
2754{
2755 u32 max_clock;
2756 u8 *t = (u8 *)timing;
2757
2758 if (!mode_in_hsync_range(mode, edid, t))
2759 return false;
2760
2761 if (!mode_in_vsync_range(mode, edid, t))
2762 return false;
2763
2764 if ((max_clock = range_pixel_clock(edid, t)))
2765 if (mode->clock > max_clock)
2766 return false;
2767
2768 /* 1.4 max horizontal check */
2769 if (edid->revision >= 4 && t[10] == 0x04)
2770 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
2771 return false;
2772
2773 if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
2774 return false;
2775
2776 return true;
2777}
2778
2779static bool valid_inferred_mode(const struct drm_connector *connector,
2780 const struct drm_display_mode *mode)
2781{
2782 const struct drm_display_mode *m;
2783 bool ok = false;
2784
2785 list_for_each_entry(m, &connector->probed_modes, head) {
2786 if (mode->hdisplay == m->hdisplay &&
2787 mode->vdisplay == m->vdisplay &&
2788 drm_mode_vrefresh(mode) == drm_mode_vrefresh(m))
2789 return false; /* duplicated */
2790 if (mode->hdisplay <= m->hdisplay &&
2791 mode->vdisplay <= m->vdisplay)
2792 ok = true;
2793 }
2794 return ok;
2795}
2796
2797static int
2798drm_dmt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2799 struct detailed_timing *timing)
2800{
2801 int i, modes = 0;
2802 struct drm_display_mode *newmode;
2803 struct drm_device *dev = connector->dev;
2804
2805 for (i = 0; i < ARRAY_SIZE(drm_dmt_modes); i++) {
2806 if (mode_in_range(drm_dmt_modes + i, edid, timing) &&
2807 valid_inferred_mode(connector, drm_dmt_modes + i)) {
2808 newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
2809 if (newmode) {
2810 drm_mode_probed_add(connector, newmode);
2811 modes++;
2812 }
2813 }
2814 }
2815
2816 return modes;
2817}
2818
2819/* fix up 1366x768 mode from 1368x768;
2820 * GFT/CVT can't express 1366 width which isn't dividable by 8
2821 */
2822void drm_mode_fixup_1366x768(struct drm_display_mode *mode)
2823{
2824 if (mode->hdisplay == 1368 && mode->vdisplay == 768) {
2825 mode->hdisplay = 1366;
2826 mode->hsync_start--;
2827 mode->hsync_end--;
2828 drm_mode_set_name(mode);
2829 }
2830}
2831
2832static int
2833drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
2834 struct detailed_timing *timing)
2835{
2836 int i, modes = 0;
2837 struct drm_display_mode *newmode;
2838 struct drm_device *dev = connector->dev;
2839
2840 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2841 const struct minimode *m = &extra_modes[i];
2842
2843 newmode = drm_gtf_mode(dev, m->w, m->h, m->r, 0, 0);
2844 if (!newmode)
2845 return modes;
2846
2847 drm_mode_fixup_1366x768(newmode);
2848 if (!mode_in_range(newmode, edid, timing) ||
2849 !valid_inferred_mode(connector, newmode)) {
2850 drm_mode_destroy(dev, newmode);
2851 continue;
2852 }
2853
2854 drm_mode_probed_add(connector, newmode);
2855 modes++;
2856 }
2857
2858 return modes;
2859}
2860
2861static int
2862drm_cvt_modes_for_range(struct drm_connector *connector, struct edid *edid,
2863 struct detailed_timing *timing)
2864{
2865 int i, modes = 0;
2866 struct drm_display_mode *newmode;
2867 struct drm_device *dev = connector->dev;
2868 bool rb = drm_monitor_supports_rb(edid);
2869
2870 for (i = 0; i < ARRAY_SIZE(extra_modes); i++) {
2871 const struct minimode *m = &extra_modes[i];
2872
2873 newmode = drm_cvt_mode(dev, m->w, m->h, m->r, rb, 0, 0);
2874 if (!newmode)
2875 return modes;
2876
2877 drm_mode_fixup_1366x768(newmode);
2878 if (!mode_in_range(newmode, edid, timing) ||
2879 !valid_inferred_mode(connector, newmode)) {
2880 drm_mode_destroy(dev, newmode);
2881 continue;
2882 }
2883
2884 drm_mode_probed_add(connector, newmode);
2885 modes++;
2886 }
2887
2888 return modes;
2889}
2890
2891static void
2892do_inferred_modes(struct detailed_timing *timing, void *c)
2893{
2894 struct detailed_mode_closure *closure = c;
2895 struct detailed_non_pixel *data = &timing->data.other_data;
2896 struct detailed_data_monitor_range *range = &data->data.range;
2897
2898 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
2899 return;
2900
2901 closure->modes += drm_dmt_modes_for_range(closure->connector,
2902 closure->edid,
2903 timing);
2904
2905 if (!version_greater(closure->edid, 1, 1))
2906 return; /* GTF not defined yet */
2907
2908 switch (range->flags) {
2909 case 0x02: /* secondary gtf, XXX could do more */
2910 case 0x00: /* default gtf */
2911 closure->modes += drm_gtf_modes_for_range(closure->connector,
2912 closure->edid,
2913 timing);
2914 break;
2915 case 0x04: /* cvt, only in 1.4+ */
2916 if (!version_greater(closure->edid, 1, 3))
2917 break;
2918
2919 closure->modes += drm_cvt_modes_for_range(closure->connector,
2920 closure->edid,
2921 timing);
2922 break;
2923 case 0x01: /* just the ranges, no formula */
2924 default:
2925 break;
2926 }
2927}
2928
2929static int
2930add_inferred_modes(struct drm_connector *connector, struct edid *edid)
2931{
2932 struct detailed_mode_closure closure = {
2933 .connector = connector,
2934 .edid = edid,
2935 };
2936
2937 if (version_greater(edid, 1, 0))
2938 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
2939 &closure);
2940
2941 return closure.modes;
2942}
2943
2944static int
2945drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
2946{
2947 int i, j, m, modes = 0;
2948 struct drm_display_mode *mode;
2949 u8 *est = ((u8 *)timing) + 6;
2950
2951 for (i = 0; i < 6; i++) {
2952 for (j = 7; j >= 0; j--) {
2953 m = (i * 8) + (7 - j);
2954 if (m >= ARRAY_SIZE(est3_modes))
2955 break;
2956 if (est[i] & (1 << j)) {
2957 mode = drm_mode_find_dmt(connector->dev,
2958 est3_modes[m].w,
2959 est3_modes[m].h,
2960 est3_modes[m].r,
2961 est3_modes[m].rb);
2962 if (mode) {
2963 drm_mode_probed_add(connector, mode);
2964 modes++;
2965 }
2966 }
2967 }
2968 }
2969
2970 return modes;
2971}
2972
2973static void
2974do_established_modes(struct detailed_timing *timing, void *c)
2975{
2976 struct detailed_mode_closure *closure = c;
2977
2978 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_EST_TIMINGS))
2979 return;
2980
2981 closure->modes += drm_est3_modes(closure->connector, timing);
2982}
2983
2984/**
2985 * add_established_modes - get est. modes from EDID and add them
2986 * @connector: connector to add mode(s) to
2987 * @edid: EDID block to scan
2988 *
2989 * Each EDID block contains a bitmap of the supported "established modes" list
2990 * (defined above). Tease them out and add them to the global modes list.
2991 */
2992static int
2993add_established_modes(struct drm_connector *connector, struct edid *edid)
2994{
2995 struct drm_device *dev = connector->dev;
2996 unsigned long est_bits = edid->established_timings.t1 |
2997 (edid->established_timings.t2 << 8) |
2998 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
2999 int i, modes = 0;
3000 struct detailed_mode_closure closure = {
3001 .connector = connector,
3002 .edid = edid,
3003 };
3004
3005 for (i = 0; i <= EDID_EST_TIMINGS; i++) {
3006 if (est_bits & (1<<i)) {
3007 struct drm_display_mode *newmode;
3008
3009 newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
3010 if (newmode) {
3011 drm_mode_probed_add(connector, newmode);
3012 modes++;
3013 }
3014 }
3015 }
3016
3017 if (version_greater(edid, 1, 0))
3018 drm_for_each_detailed_block((u8 *)edid,
3019 do_established_modes, &closure);
3020
3021 return modes + closure.modes;
3022}
3023
3024static void
3025do_standard_modes(struct detailed_timing *timing, void *c)
3026{
3027 struct detailed_mode_closure *closure = c;
3028 struct detailed_non_pixel *data = &timing->data.other_data;
3029 struct drm_connector *connector = closure->connector;
3030 struct edid *edid = closure->edid;
3031 int i;
3032
3033 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_STD_MODES))
3034 return;
3035
3036 for (i = 0; i < 6; i++) {
3037 struct std_timing *std = &data->data.timings[i];
3038 struct drm_display_mode *newmode;
3039
3040 newmode = drm_mode_std(connector, edid, std);
3041 if (newmode) {
3042 drm_mode_probed_add(connector, newmode);
3043 closure->modes++;
3044 }
3045 }
3046}
3047
3048/**
3049 * add_standard_modes - get std. modes from EDID and add them
3050 * @connector: connector to add mode(s) to
3051 * @edid: EDID block to scan
3052 *
3053 * Standard modes can be calculated using the appropriate standard (DMT,
3054 * GTF or CVT. Grab them from @edid and add them to the list.
3055 */
3056static int
3057add_standard_modes(struct drm_connector *connector, struct edid *edid)
3058{
3059 int i, modes = 0;
3060 struct detailed_mode_closure closure = {
3061 .connector = connector,
3062 .edid = edid,
3063 };
3064
3065 for (i = 0; i < EDID_STD_TIMINGS; i++) {
3066 struct drm_display_mode *newmode;
3067
3068 newmode = drm_mode_std(connector, edid,
3069 &edid->standard_timings[i]);
3070 if (newmode) {
3071 drm_mode_probed_add(connector, newmode);
3072 modes++;
3073 }
3074 }
3075
3076 if (version_greater(edid, 1, 0))
3077 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
3078 &closure);
3079
3080 /* XXX should also look for standard codes in VTB blocks */
3081
3082 return modes + closure.modes;
3083}
3084
3085static int drm_cvt_modes(struct drm_connector *connector,
3086 struct detailed_timing *timing)
3087{
3088 int i, j, modes = 0;
3089 struct drm_display_mode *newmode;
3090 struct drm_device *dev = connector->dev;
3091 struct cvt_timing *cvt;
3092 const int rates[] = { 60, 85, 75, 60, 50 };
3093 const u8 empty[3] = { 0, 0, 0 };
3094
3095 for (i = 0; i < 4; i++) {
3096 int width, height;
3097
3098 cvt = &(timing->data.other_data.data.cvt[i]);
3099
3100 if (!memcmp(cvt->code, empty, 3))
3101 continue;
3102
3103 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
3104 switch (cvt->code[1] & 0x0c) {
3105 case 0x00:
3106 width = height * 4 / 3;
3107 break;
3108 case 0x04:
3109 width = height * 16 / 9;
3110 break;
3111 case 0x08:
3112 width = height * 16 / 10;
3113 break;
3114 case 0x0c:
3115 width = height * 15 / 9;
3116 break;
3117 }
3118
3119 for (j = 1; j < 5; j++) {
3120 if (cvt->code[2] & (1 << j)) {
3121 newmode = drm_cvt_mode(dev, width, height,
3122 rates[j], j == 0,
3123 false, false);
3124 if (newmode) {
3125 drm_mode_probed_add(connector, newmode);
3126 modes++;
3127 }
3128 }
3129 }
3130 }
3131
3132 return modes;
3133}
3134
3135static void
3136do_cvt_mode(struct detailed_timing *timing, void *c)
3137{
3138 struct detailed_mode_closure *closure = c;
3139
3140 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_CVT_3BYTE))
3141 return;
3142
3143 closure->modes += drm_cvt_modes(closure->connector, timing);
3144}
3145
3146static int
3147add_cvt_modes(struct drm_connector *connector, struct edid *edid)
3148{
3149 struct detailed_mode_closure closure = {
3150 .connector = connector,
3151 .edid = edid,
3152 };
3153
3154 if (version_greater(edid, 1, 2))
3155 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
3156
3157 /* XXX should also look for CVT codes in VTB blocks */
3158
3159 return closure.modes;
3160}
3161
3162static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode);
3163
3164static void
3165do_detailed_mode(struct detailed_timing *timing, void *c)
3166{
3167 struct detailed_mode_closure *closure = c;
3168 struct drm_display_mode *newmode;
3169
3170 if (!is_detailed_timing_descriptor((const u8 *)timing))
3171 return;
3172
3173 newmode = drm_mode_detailed(closure->connector->dev,
3174 closure->edid, timing,
3175 closure->quirks);
3176 if (!newmode)
3177 return;
3178
3179 if (closure->preferred)
3180 newmode->type |= DRM_MODE_TYPE_PREFERRED;
3181
3182 /*
3183 * Detailed modes are limited to 10kHz pixel clock resolution,
3184 * so fix up anything that looks like CEA/HDMI mode, but the clock
3185 * is just slightly off.
3186 */
3187 fixup_detailed_cea_mode_clock(newmode);
3188
3189 drm_mode_probed_add(closure->connector, newmode);
3190 closure->modes++;
3191 closure->preferred = false;
3192}
3193
3194/*
3195 * add_detailed_modes - Add modes from detailed timings
3196 * @connector: attached connector
3197 * @edid: EDID block to scan
3198 * @quirks: quirks to apply
3199 */
3200static int
3201add_detailed_modes(struct drm_connector *connector, struct edid *edid,
3202 u32 quirks)
3203{
3204 struct detailed_mode_closure closure = {
3205 .connector = connector,
3206 .edid = edid,
3207 .preferred = true,
3208 .quirks = quirks,
3209 };
3210
3211 if (closure.preferred && !version_greater(edid, 1, 3))
3212 closure.preferred =
3213 (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
3214
3215 drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
3216
3217 return closure.modes;
3218}
3219
3220#define AUDIO_BLOCK 0x01
3221#define VIDEO_BLOCK 0x02
3222#define VENDOR_BLOCK 0x03
3223#define SPEAKER_BLOCK 0x04
3224#define HDR_STATIC_METADATA_BLOCK 0x6
3225#define USE_EXTENDED_TAG 0x07
3226#define EXT_VIDEO_CAPABILITY_BLOCK 0x00
3227#define EXT_VIDEO_DATA_BLOCK_420 0x0E
3228#define EXT_VIDEO_CAP_BLOCK_Y420CMDB 0x0F
3229#define EDID_BASIC_AUDIO (1 << 6)
3230#define EDID_CEA_YCRCB444 (1 << 5)
3231#define EDID_CEA_YCRCB422 (1 << 4)
3232#define EDID_CEA_VCDB_QS (1 << 6)
3233
3234/*
3235 * Search EDID for CEA extension block.
3236 */
3237static u8 *drm_find_edid_extension(const struct edid *edid,
3238 int ext_id, int *ext_index)
3239{
3240 u8 *edid_ext = NULL;
3241 int i;
3242
3243 /* No EDID or EDID extensions */
3244 if (edid == NULL || edid->extensions == 0)
3245 return NULL;
3246
3247 /* Find CEA extension */
3248 for (i = *ext_index; i < edid->extensions; i++) {
3249 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
3250 if (edid_ext[0] == ext_id)
3251 break;
3252 }
3253
3254 if (i >= edid->extensions)
3255 return NULL;
3256
3257 *ext_index = i + 1;
3258
3259 return edid_ext;
3260}
3261
3262
3263static u8 *drm_find_displayid_extension(const struct edid *edid,
3264 int *length, int *idx,
3265 int *ext_index)
3266{
3267 u8 *displayid = drm_find_edid_extension(edid, DISPLAYID_EXT, ext_index);
3268 struct displayid_hdr *base;
3269 int ret;
3270
3271 if (!displayid)
3272 return NULL;
3273
3274 /* EDID extensions block checksum isn't for us */
3275 *length = EDID_LENGTH - 1;
3276 *idx = 1;
3277
3278 ret = validate_displayid(displayid, *length, *idx);
3279 if (ret)
3280 return NULL;
3281
3282 base = (struct displayid_hdr *)&displayid[*idx];
3283 *length = *idx + sizeof(*base) + base->bytes;
3284
3285 return displayid;
3286}
3287
3288static u8 *drm_find_cea_extension(const struct edid *edid)
3289{
3290 int length, idx;
3291 struct displayid_block *block;
3292 u8 *cea;
3293 u8 *displayid;
3294 int ext_index;
3295
3296 /* Look for a top level CEA extension block */
3297 /* FIXME: make callers iterate through multiple CEA ext blocks? */
3298 ext_index = 0;
3299 cea = drm_find_edid_extension(edid, CEA_EXT, &ext_index);
3300 if (cea)
3301 return cea;
3302
3303 /* CEA blocks can also be found embedded in a DisplayID block */
3304 ext_index = 0;
3305 for (;;) {
3306 displayid = drm_find_displayid_extension(edid, &length, &idx,
3307 &ext_index);
3308 if (!displayid)
3309 return NULL;
3310
3311 idx += sizeof(struct displayid_hdr);
3312 for_each_displayid_db(displayid, block, idx, length) {
3313 if (block->tag == DATA_BLOCK_CTA)
3314 return (u8 *)block;
3315 }
3316 }
3317
3318 return NULL;
3319}
3320
3321static __always_inline const struct drm_display_mode *cea_mode_for_vic(u8 vic)
3322{
3323 BUILD_BUG_ON(1 + ARRAY_SIZE(edid_cea_modes_1) - 1 != 127);
3324 BUILD_BUG_ON(193 + ARRAY_SIZE(edid_cea_modes_193) - 1 != 219);
3325
3326 if (vic >= 1 && vic < 1 + ARRAY_SIZE(edid_cea_modes_1))
3327 return &edid_cea_modes_1[vic - 1];
3328 if (vic >= 193 && vic < 193 + ARRAY_SIZE(edid_cea_modes_193))
3329 return &edid_cea_modes_193[vic - 193];
3330 return NULL;
3331}
3332
3333static u8 cea_num_vics(void)
3334{
3335 return 193 + ARRAY_SIZE(edid_cea_modes_193);
3336}
3337
3338static u8 cea_next_vic(u8 vic)
3339{
3340 if (++vic == 1 + ARRAY_SIZE(edid_cea_modes_1))
3341 vic = 193;
3342 return vic;
3343}
3344
3345/*
3346 * Calculate the alternate clock for the CEA mode
3347 * (60Hz vs. 59.94Hz etc.)
3348 */
3349static unsigned int
3350cea_mode_alternate_clock(const struct drm_display_mode *cea_mode)
3351{
3352 unsigned int clock = cea_mode->clock;
3353
3354 if (drm_mode_vrefresh(cea_mode) % 6 != 0)
3355 return clock;
3356
3357 /*
3358 * edid_cea_modes contains the 59.94Hz
3359 * variant for 240 and 480 line modes,
3360 * and the 60Hz variant otherwise.
3361 */
3362 if (cea_mode->vdisplay == 240 || cea_mode->vdisplay == 480)
3363 clock = DIV_ROUND_CLOSEST(clock * 1001, 1000);
3364 else
3365 clock = DIV_ROUND_CLOSEST(clock * 1000, 1001);
3366
3367 return clock;
3368}
3369
3370static bool
3371cea_mode_alternate_timings(u8 vic, struct drm_display_mode *mode)
3372{
3373 /*
3374 * For certain VICs the spec allows the vertical
3375 * front porch to vary by one or two lines.
3376 *
3377 * cea_modes[] stores the variant with the shortest
3378 * vertical front porch. We can adjust the mode to
3379 * get the other variants by simply increasing the
3380 * vertical front porch length.
3381 */
3382 BUILD_BUG_ON(cea_mode_for_vic(8)->vtotal != 262 ||
3383 cea_mode_for_vic(9)->vtotal != 262 ||
3384 cea_mode_for_vic(12)->vtotal != 262 ||
3385 cea_mode_for_vic(13)->vtotal != 262 ||
3386 cea_mode_for_vic(23)->vtotal != 312 ||
3387 cea_mode_for_vic(24)->vtotal != 312 ||
3388 cea_mode_for_vic(27)->vtotal != 312 ||
3389 cea_mode_for_vic(28)->vtotal != 312);
3390
3391 if (((vic == 8 || vic == 9 ||
3392 vic == 12 || vic == 13) && mode->vtotal < 263) ||
3393 ((vic == 23 || vic == 24 ||
3394 vic == 27 || vic == 28) && mode->vtotal < 314)) {
3395 mode->vsync_start++;
3396 mode->vsync_end++;
3397 mode->vtotal++;
3398
3399 return true;
3400 }
3401
3402 return false;
3403}
3404
3405static u8 drm_match_cea_mode_clock_tolerance(const struct drm_display_mode *to_match,
3406 unsigned int clock_tolerance)
3407{
3408 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3409 u8 vic;
3410
3411 if (!to_match->clock)
3412 return 0;
3413
3414 if (to_match->picture_aspect_ratio)
3415 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3416
3417 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3418 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3419 unsigned int clock1, clock2;
3420
3421 /* Check both 60Hz and 59.94Hz */
3422 clock1 = cea_mode.clock;
3423 clock2 = cea_mode_alternate_clock(&cea_mode);
3424
3425 if (abs(to_match->clock - clock1) > clock_tolerance &&
3426 abs(to_match->clock - clock2) > clock_tolerance)
3427 continue;
3428
3429 do {
3430 if (drm_mode_match(to_match, &cea_mode, match_flags))
3431 return vic;
3432 } while (cea_mode_alternate_timings(vic, &cea_mode));
3433 }
3434
3435 return 0;
3436}
3437
3438/**
3439 * drm_match_cea_mode - look for a CEA mode matching given mode
3440 * @to_match: display mode
3441 *
3442 * Return: The CEA Video ID (VIC) of the mode or 0 if it isn't a CEA-861
3443 * mode.
3444 */
3445u8 drm_match_cea_mode(const struct drm_display_mode *to_match)
3446{
3447 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3448 u8 vic;
3449
3450 if (!to_match->clock)
3451 return 0;
3452
3453 if (to_match->picture_aspect_ratio)
3454 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3455
3456 for (vic = 1; vic < cea_num_vics(); vic = cea_next_vic(vic)) {
3457 struct drm_display_mode cea_mode = *cea_mode_for_vic(vic);
3458 unsigned int clock1, clock2;
3459
3460 /* Check both 60Hz and 59.94Hz */
3461 clock1 = cea_mode.clock;
3462 clock2 = cea_mode_alternate_clock(&cea_mode);
3463
3464 if (KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock1) &&
3465 KHZ2PICOS(to_match->clock) != KHZ2PICOS(clock2))
3466 continue;
3467
3468 do {
3469 if (drm_mode_match(to_match, &cea_mode, match_flags))
3470 return vic;
3471 } while (cea_mode_alternate_timings(vic, &cea_mode));
3472 }
3473
3474 return 0;
3475}
3476EXPORT_SYMBOL(drm_match_cea_mode);
3477
3478static bool drm_valid_cea_vic(u8 vic)
3479{
3480 return cea_mode_for_vic(vic) != NULL;
3481}
3482
3483static enum hdmi_picture_aspect drm_get_cea_aspect_ratio(const u8 video_code)
3484{
3485 const struct drm_display_mode *mode = cea_mode_for_vic(video_code);
3486
3487 if (mode)
3488 return mode->picture_aspect_ratio;
3489
3490 return HDMI_PICTURE_ASPECT_NONE;
3491}
3492
3493static enum hdmi_picture_aspect drm_get_hdmi_aspect_ratio(const u8 video_code)
3494{
3495 return edid_4k_modes[video_code].picture_aspect_ratio;
3496}
3497
3498/*
3499 * Calculate the alternate clock for HDMI modes (those from the HDMI vendor
3500 * specific block).
3501 */
3502static unsigned int
3503hdmi_mode_alternate_clock(const struct drm_display_mode *hdmi_mode)
3504{
3505 return cea_mode_alternate_clock(hdmi_mode);
3506}
3507
3508static u8 drm_match_hdmi_mode_clock_tolerance(const struct drm_display_mode *to_match,
3509 unsigned int clock_tolerance)
3510{
3511 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3512 u8 vic;
3513
3514 if (!to_match->clock)
3515 return 0;
3516
3517 if (to_match->picture_aspect_ratio)
3518 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3519
3520 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3521 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3522 unsigned int clock1, clock2;
3523
3524 /* Make sure to also match alternate clocks */
3525 clock1 = hdmi_mode->clock;
3526 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3527
3528 if (abs(to_match->clock - clock1) > clock_tolerance &&
3529 abs(to_match->clock - clock2) > clock_tolerance)
3530 continue;
3531
3532 if (drm_mode_match(to_match, hdmi_mode, match_flags))
3533 return vic;
3534 }
3535
3536 return 0;
3537}
3538
3539/*
3540 * drm_match_hdmi_mode - look for a HDMI mode matching given mode
3541 * @to_match: display mode
3542 *
3543 * An HDMI mode is one defined in the HDMI vendor specific block.
3544 *
3545 * Returns the HDMI Video ID (VIC) of the mode or 0 if it isn't one.
3546 */
3547static u8 drm_match_hdmi_mode(const struct drm_display_mode *to_match)
3548{
3549 unsigned int match_flags = DRM_MODE_MATCH_TIMINGS | DRM_MODE_MATCH_FLAGS;
3550 u8 vic;
3551
3552 if (!to_match->clock)
3553 return 0;
3554
3555 if (to_match->picture_aspect_ratio)
3556 match_flags |= DRM_MODE_MATCH_ASPECT_RATIO;
3557
3558 for (vic = 1; vic < ARRAY_SIZE(edid_4k_modes); vic++) {
3559 const struct drm_display_mode *hdmi_mode = &edid_4k_modes[vic];
3560 unsigned int clock1, clock2;
3561
3562 /* Make sure to also match alternate clocks */
3563 clock1 = hdmi_mode->clock;
3564 clock2 = hdmi_mode_alternate_clock(hdmi_mode);
3565
3566 if ((KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock1) ||
3567 KHZ2PICOS(to_match->clock) == KHZ2PICOS(clock2)) &&
3568 drm_mode_match(to_match, hdmi_mode, match_flags))
3569 return vic;
3570 }
3571 return 0;
3572}
3573
3574static bool drm_valid_hdmi_vic(u8 vic)
3575{
3576 return vic > 0 && vic < ARRAY_SIZE(edid_4k_modes);
3577}
3578
3579static int
3580add_alternate_cea_modes(struct drm_connector *connector, struct edid *edid)
3581{
3582 struct drm_device *dev = connector->dev;
3583 struct drm_display_mode *mode, *tmp;
3584 LIST_HEAD(list);
3585 int modes = 0;
3586
3587 /* Don't add CEA modes if the CEA extension block is missing */
3588 if (!drm_find_cea_extension(edid))
3589 return 0;
3590
3591 /*
3592 * Go through all probed modes and create a new mode
3593 * with the alternate clock for certain CEA modes.
3594 */
3595 list_for_each_entry(mode, &connector->probed_modes, head) {
3596 const struct drm_display_mode *cea_mode = NULL;
3597 struct drm_display_mode *newmode;
3598 u8 vic = drm_match_cea_mode(mode);
3599 unsigned int clock1, clock2;
3600
3601 if (drm_valid_cea_vic(vic)) {
3602 cea_mode = cea_mode_for_vic(vic);
3603 clock2 = cea_mode_alternate_clock(cea_mode);
3604 } else {
3605 vic = drm_match_hdmi_mode(mode);
3606 if (drm_valid_hdmi_vic(vic)) {
3607 cea_mode = &edid_4k_modes[vic];
3608 clock2 = hdmi_mode_alternate_clock(cea_mode);
3609 }
3610 }
3611
3612 if (!cea_mode)
3613 continue;
3614
3615 clock1 = cea_mode->clock;
3616
3617 if (clock1 == clock2)
3618 continue;
3619
3620 if (mode->clock != clock1 && mode->clock != clock2)
3621 continue;
3622
3623 newmode = drm_mode_duplicate(dev, cea_mode);
3624 if (!newmode)
3625 continue;
3626
3627 /* Carry over the stereo flags */
3628 newmode->flags |= mode->flags & DRM_MODE_FLAG_3D_MASK;
3629
3630 /*
3631 * The current mode could be either variant. Make
3632 * sure to pick the "other" clock for the new mode.
3633 */
3634 if (mode->clock != clock1)
3635 newmode->clock = clock1;
3636 else
3637 newmode->clock = clock2;
3638
3639 list_add_tail(&newmode->head, &list);
3640 }
3641
3642 list_for_each_entry_safe(mode, tmp, &list, head) {
3643 list_del(&mode->head);
3644 drm_mode_probed_add(connector, mode);
3645 modes++;
3646 }
3647
3648 return modes;
3649}
3650
3651static u8 svd_to_vic(u8 svd)
3652{
3653 /* 0-6 bit vic, 7th bit native mode indicator */
3654 if ((svd >= 1 && svd <= 64) || (svd >= 129 && svd <= 192))
3655 return svd & 127;
3656
3657 return svd;
3658}
3659
3660static struct drm_display_mode *
3661drm_display_mode_from_vic_index(struct drm_connector *connector,
3662 const u8 *video_db, u8 video_len,
3663 u8 video_index)
3664{
3665 struct drm_device *dev = connector->dev;
3666 struct drm_display_mode *newmode;
3667 u8 vic;
3668
3669 if (video_db == NULL || video_index >= video_len)
3670 return NULL;
3671
3672 /* CEA modes are numbered 1..127 */
3673 vic = svd_to_vic(video_db[video_index]);
3674 if (!drm_valid_cea_vic(vic))
3675 return NULL;
3676
3677 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3678 if (!newmode)
3679 return NULL;
3680
3681 return newmode;
3682}
3683
3684/*
3685 * do_y420vdb_modes - Parse YCBCR 420 only modes
3686 * @connector: connector corresponding to the HDMI sink
3687 * @svds: start of the data block of CEA YCBCR 420 VDB
3688 * @len: length of the CEA YCBCR 420 VDB
3689 *
3690 * Parse the CEA-861-F YCBCR 420 Video Data Block (Y420VDB)
3691 * which contains modes which can be supported in YCBCR 420
3692 * output format only.
3693 */
3694static int do_y420vdb_modes(struct drm_connector *connector,
3695 const u8 *svds, u8 svds_len)
3696{
3697 int modes = 0, i;
3698 struct drm_device *dev = connector->dev;
3699 struct drm_display_info *info = &connector->display_info;
3700 struct drm_hdmi_info *hdmi = &info->hdmi;
3701
3702 for (i = 0; i < svds_len; i++) {
3703 u8 vic = svd_to_vic(svds[i]);
3704 struct drm_display_mode *newmode;
3705
3706 if (!drm_valid_cea_vic(vic))
3707 continue;
3708
3709 newmode = drm_mode_duplicate(dev, cea_mode_for_vic(vic));
3710 if (!newmode)
3711 break;
3712 bitmap_set(hdmi->y420_vdb_modes, vic, 1);
3713 drm_mode_probed_add(connector, newmode);
3714 modes++;
3715 }
3716
3717 if (modes > 0)
3718 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
3719 return modes;
3720}
3721
3722/*
3723 * drm_add_cmdb_modes - Add a YCBCR 420 mode into bitmap
3724 * @connector: connector corresponding to the HDMI sink
3725 * @vic: CEA vic for the video mode to be added in the map
3726 *
3727 * Makes an entry for a videomode in the YCBCR 420 bitmap
3728 */
3729static void
3730drm_add_cmdb_modes(struct drm_connector *connector, u8 svd)
3731{
3732 u8 vic = svd_to_vic(svd);
3733 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3734
3735 if (!drm_valid_cea_vic(vic))
3736 return;
3737
3738 bitmap_set(hdmi->y420_cmdb_modes, vic, 1);
3739}
3740
3741static int
3742do_cea_modes(struct drm_connector *connector, const u8 *db, u8 len)
3743{
3744 int i, modes = 0;
3745 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
3746
3747 for (i = 0; i < len; i++) {
3748 struct drm_display_mode *mode;
3749
3750 mode = drm_display_mode_from_vic_index(connector, db, len, i);
3751 if (mode) {
3752 /*
3753 * YCBCR420 capability block contains a bitmap which
3754 * gives the index of CEA modes from CEA VDB, which
3755 * can support YCBCR 420 sampling output also (apart
3756 * from RGB/YCBCR444 etc).
3757 * For example, if the bit 0 in bitmap is set,
3758 * first mode in VDB can support YCBCR420 output too.
3759 * Add YCBCR420 modes only if sink is HDMI 2.0 capable.
3760 */
3761 if (i < 64 && hdmi->y420_cmdb_map & (1ULL << i))
3762 drm_add_cmdb_modes(connector, db[i]);
3763
3764 drm_mode_probed_add(connector, mode);
3765 modes++;
3766 }
3767 }
3768
3769 return modes;
3770}
3771
3772struct stereo_mandatory_mode {
3773 int width, height, vrefresh;
3774 unsigned int flags;
3775};
3776
3777static const struct stereo_mandatory_mode stereo_mandatory_modes[] = {
3778 { 1920, 1080, 24, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3779 { 1920, 1080, 24, DRM_MODE_FLAG_3D_FRAME_PACKING },
3780 { 1920, 1080, 50,
3781 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3782 { 1920, 1080, 60,
3783 DRM_MODE_FLAG_INTERLACE | DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF },
3784 { 1280, 720, 50, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3785 { 1280, 720, 50, DRM_MODE_FLAG_3D_FRAME_PACKING },
3786 { 1280, 720, 60, DRM_MODE_FLAG_3D_TOP_AND_BOTTOM },
3787 { 1280, 720, 60, DRM_MODE_FLAG_3D_FRAME_PACKING }
3788};
3789
3790static bool
3791stereo_match_mandatory(const struct drm_display_mode *mode,
3792 const struct stereo_mandatory_mode *stereo_mode)
3793{
3794 unsigned int interlaced = mode->flags & DRM_MODE_FLAG_INTERLACE;
3795
3796 return mode->hdisplay == stereo_mode->width &&
3797 mode->vdisplay == stereo_mode->height &&
3798 interlaced == (stereo_mode->flags & DRM_MODE_FLAG_INTERLACE) &&
3799 drm_mode_vrefresh(mode) == stereo_mode->vrefresh;
3800}
3801
3802static int add_hdmi_mandatory_stereo_modes(struct drm_connector *connector)
3803{
3804 struct drm_device *dev = connector->dev;
3805 const struct drm_display_mode *mode;
3806 struct list_head stereo_modes;
3807 int modes = 0, i;
3808
3809 INIT_LIST_HEAD(&stereo_modes);
3810
3811 list_for_each_entry(mode, &connector->probed_modes, head) {
3812 for (i = 0; i < ARRAY_SIZE(stereo_mandatory_modes); i++) {
3813 const struct stereo_mandatory_mode *mandatory;
3814 struct drm_display_mode *new_mode;
3815
3816 if (!stereo_match_mandatory(mode,
3817 &stereo_mandatory_modes[i]))
3818 continue;
3819
3820 mandatory = &stereo_mandatory_modes[i];
3821 new_mode = drm_mode_duplicate(dev, mode);
3822 if (!new_mode)
3823 continue;
3824
3825 new_mode->flags |= mandatory->flags;
3826 list_add_tail(&new_mode->head, &stereo_modes);
3827 modes++;
3828 }
3829 }
3830
3831 list_splice_tail(&stereo_modes, &connector->probed_modes);
3832
3833 return modes;
3834}
3835
3836static int add_hdmi_mode(struct drm_connector *connector, u8 vic)
3837{
3838 struct drm_device *dev = connector->dev;
3839 struct drm_display_mode *newmode;
3840
3841 if (!drm_valid_hdmi_vic(vic)) {
3842 DRM_ERROR("Unknown HDMI VIC: %d\n", vic);
3843 return 0;
3844 }
3845
3846 newmode = drm_mode_duplicate(dev, &edid_4k_modes[vic]);
3847 if (!newmode)
3848 return 0;
3849
3850 drm_mode_probed_add(connector, newmode);
3851
3852 return 1;
3853}
3854
3855static int add_3d_struct_modes(struct drm_connector *connector, u16 structure,
3856 const u8 *video_db, u8 video_len, u8 video_index)
3857{
3858 struct drm_display_mode *newmode;
3859 int modes = 0;
3860
3861 if (structure & (1 << 0)) {
3862 newmode = drm_display_mode_from_vic_index(connector, video_db,
3863 video_len,
3864 video_index);
3865 if (newmode) {
3866 newmode->flags |= DRM_MODE_FLAG_3D_FRAME_PACKING;
3867 drm_mode_probed_add(connector, newmode);
3868 modes++;
3869 }
3870 }
3871 if (structure & (1 << 6)) {
3872 newmode = drm_display_mode_from_vic_index(connector, video_db,
3873 video_len,
3874 video_index);
3875 if (newmode) {
3876 newmode->flags |= DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
3877 drm_mode_probed_add(connector, newmode);
3878 modes++;
3879 }
3880 }
3881 if (structure & (1 << 8)) {
3882 newmode = drm_display_mode_from_vic_index(connector, video_db,
3883 video_len,
3884 video_index);
3885 if (newmode) {
3886 newmode->flags |= DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
3887 drm_mode_probed_add(connector, newmode);
3888 modes++;
3889 }
3890 }
3891
3892 return modes;
3893}
3894
3895/*
3896 * do_hdmi_vsdb_modes - Parse the HDMI Vendor Specific data block
3897 * @connector: connector corresponding to the HDMI sink
3898 * @db: start of the CEA vendor specific block
3899 * @len: length of the CEA block payload, ie. one can access up to db[len]
3900 *
3901 * Parses the HDMI VSDB looking for modes to add to @connector. This function
3902 * also adds the stereo 3d modes when applicable.
3903 */
3904static int
3905do_hdmi_vsdb_modes(struct drm_connector *connector, const u8 *db, u8 len,
3906 const u8 *video_db, u8 video_len)
3907{
3908 struct drm_display_info *info = &connector->display_info;
3909 int modes = 0, offset = 0, i, multi_present = 0, multi_len;
3910 u8 vic_len, hdmi_3d_len = 0;
3911 u16 mask;
3912 u16 structure_all;
3913
3914 if (len < 8)
3915 goto out;
3916
3917 /* no HDMI_Video_Present */
3918 if (!(db[8] & (1 << 5)))
3919 goto out;
3920
3921 /* Latency_Fields_Present */
3922 if (db[8] & (1 << 7))
3923 offset += 2;
3924
3925 /* I_Latency_Fields_Present */
3926 if (db[8] & (1 << 6))
3927 offset += 2;
3928
3929 /* the declared length is not long enough for the 2 first bytes
3930 * of additional video format capabilities */
3931 if (len < (8 + offset + 2))
3932 goto out;
3933
3934 /* 3D_Present */
3935 offset++;
3936 if (db[8 + offset] & (1 << 7)) {
3937 modes += add_hdmi_mandatory_stereo_modes(connector);
3938
3939 /* 3D_Multi_present */
3940 multi_present = (db[8 + offset] & 0x60) >> 5;
3941 }
3942
3943 offset++;
3944 vic_len = db[8 + offset] >> 5;
3945 hdmi_3d_len = db[8 + offset] & 0x1f;
3946
3947 for (i = 0; i < vic_len && len >= (9 + offset + i); i++) {
3948 u8 vic;
3949
3950 vic = db[9 + offset + i];
3951 modes += add_hdmi_mode(connector, vic);
3952 }
3953 offset += 1 + vic_len;
3954
3955 if (multi_present == 1)
3956 multi_len = 2;
3957 else if (multi_present == 2)
3958 multi_len = 4;
3959 else
3960 multi_len = 0;
3961
3962 if (len < (8 + offset + hdmi_3d_len - 1))
3963 goto out;
3964
3965 if (hdmi_3d_len < multi_len)
3966 goto out;
3967
3968 if (multi_present == 1 || multi_present == 2) {
3969 /* 3D_Structure_ALL */
3970 structure_all = (db[8 + offset] << 8) | db[9 + offset];
3971
3972 /* check if 3D_MASK is present */
3973 if (multi_present == 2)
3974 mask = (db[10 + offset] << 8) | db[11 + offset];
3975 else
3976 mask = 0xffff;
3977
3978 for (i = 0; i < 16; i++) {
3979 if (mask & (1 << i))
3980 modes += add_3d_struct_modes(connector,
3981 structure_all,
3982 video_db,
3983 video_len, i);
3984 }
3985 }
3986
3987 offset += multi_len;
3988
3989 for (i = 0; i < (hdmi_3d_len - multi_len); i++) {
3990 int vic_index;
3991 struct drm_display_mode *newmode = NULL;
3992 unsigned int newflag = 0;
3993 bool detail_present;
3994
3995 detail_present = ((db[8 + offset + i] & 0x0f) > 7);
3996
3997 if (detail_present && (i + 1 == hdmi_3d_len - multi_len))
3998 break;
3999
4000 /* 2D_VIC_order_X */
4001 vic_index = db[8 + offset + i] >> 4;
4002
4003 /* 3D_Structure_X */
4004 switch (db[8 + offset + i] & 0x0f) {
4005 case 0:
4006 newflag = DRM_MODE_FLAG_3D_FRAME_PACKING;
4007 break;
4008 case 6:
4009 newflag = DRM_MODE_FLAG_3D_TOP_AND_BOTTOM;
4010 break;
4011 case 8:
4012 /* 3D_Detail_X */
4013 if ((db[9 + offset + i] >> 4) == 1)
4014 newflag = DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF;
4015 break;
4016 }
4017
4018 if (newflag != 0) {
4019 newmode = drm_display_mode_from_vic_index(connector,
4020 video_db,
4021 video_len,
4022 vic_index);
4023
4024 if (newmode) {
4025 newmode->flags |= newflag;
4026 drm_mode_probed_add(connector, newmode);
4027 modes++;
4028 }
4029 }
4030
4031 if (detail_present)
4032 i++;
4033 }
4034
4035out:
4036 if (modes > 0)
4037 info->has_hdmi_infoframe = true;
4038 return modes;
4039}
4040
4041static int
4042cea_db_payload_len(const u8 *db)
4043{
4044 return db[0] & 0x1f;
4045}
4046
4047static int
4048cea_db_extended_tag(const u8 *db)
4049{
4050 return db[1];
4051}
4052
4053static int
4054cea_db_tag(const u8 *db)
4055{
4056 return db[0] >> 5;
4057}
4058
4059static int
4060cea_revision(const u8 *cea)
4061{
4062 /*
4063 * FIXME is this correct for the DispID variant?
4064 * The DispID spec doesn't really specify whether
4065 * this is the revision of the CEA extension or
4066 * the DispID CEA data block. And the only value
4067 * given as an example is 0.
4068 */
4069 return cea[1];
4070}
4071
4072static int
4073cea_db_offsets(const u8 *cea, int *start, int *end)
4074{
4075 /* DisplayID CTA extension blocks and top-level CEA EDID
4076 * block header definitions differ in the following bytes:
4077 * 1) Byte 2 of the header specifies length differently,
4078 * 2) Byte 3 is only present in the CEA top level block.
4079 *
4080 * The different definitions for byte 2 follow.
4081 *
4082 * DisplayID CTA extension block defines byte 2 as:
4083 * Number of payload bytes
4084 *
4085 * CEA EDID block defines byte 2 as:
4086 * Byte number (decimal) within this block where the 18-byte
4087 * DTDs begin. If no non-DTD data is present in this extension
4088 * block, the value should be set to 04h (the byte after next).
4089 * If set to 00h, there are no DTDs present in this block and
4090 * no non-DTD data.
4091 */
4092 if (cea[0] == DATA_BLOCK_CTA) {
4093 /*
4094 * for_each_displayid_db() has already verified
4095 * that these stay within expected bounds.
4096 */
4097 *start = 3;
4098 *end = *start + cea[2];
4099 } else if (cea[0] == CEA_EXT) {
4100 /* Data block offset in CEA extension block */
4101 *start = 4;
4102 *end = cea[2];
4103 if (*end == 0)
4104 *end = 127;
4105 if (*end < 4 || *end > 127)
4106 return -ERANGE;
4107 } else {
4108 return -EOPNOTSUPP;
4109 }
4110
4111 return 0;
4112}
4113
4114static bool cea_db_is_hdmi_vsdb(const u8 *db)
4115{
4116 int hdmi_id;
4117
4118 if (cea_db_tag(db) != VENDOR_BLOCK)
4119 return false;
4120
4121 if (cea_db_payload_len(db) < 5)
4122 return false;
4123
4124 hdmi_id = db[1] | (db[2] << 8) | (db[3] << 16);
4125
4126 return hdmi_id == HDMI_IEEE_OUI;
4127}
4128
4129static bool cea_db_is_hdmi_forum_vsdb(const u8 *db)
4130{
4131 unsigned int oui;
4132
4133 if (cea_db_tag(db) != VENDOR_BLOCK)
4134 return false;
4135
4136 if (cea_db_payload_len(db) < 7)
4137 return false;
4138
4139 oui = db[3] << 16 | db[2] << 8 | db[1];
4140
4141 return oui == HDMI_FORUM_IEEE_OUI;
4142}
4143
4144static bool cea_db_is_vcdb(const u8 *db)
4145{
4146 if (cea_db_tag(db) != USE_EXTENDED_TAG)
4147 return false;
4148
4149 if (cea_db_payload_len(db) != 2)
4150 return false;
4151
4152 if (cea_db_extended_tag(db) != EXT_VIDEO_CAPABILITY_BLOCK)
4153 return false;
4154
4155 return true;
4156}
4157
4158static bool cea_db_is_y420cmdb(const u8 *db)
4159{
4160 if (cea_db_tag(db) != USE_EXTENDED_TAG)
4161 return false;
4162
4163 if (!cea_db_payload_len(db))
4164 return false;
4165
4166 if (cea_db_extended_tag(db) != EXT_VIDEO_CAP_BLOCK_Y420CMDB)
4167 return false;
4168
4169 return true;
4170}
4171
4172static bool cea_db_is_y420vdb(const u8 *db)
4173{
4174 if (cea_db_tag(db) != USE_EXTENDED_TAG)
4175 return false;
4176
4177 if (!cea_db_payload_len(db))
4178 return false;
4179
4180 if (cea_db_extended_tag(db) != EXT_VIDEO_DATA_BLOCK_420)
4181 return false;
4182
4183 return true;
4184}
4185
4186#define for_each_cea_db(cea, i, start, end) \
4187 for ((i) = (start); (i) < (end) && (i) + cea_db_payload_len(&(cea)[(i)]) < (end); (i) += cea_db_payload_len(&(cea)[(i)]) + 1)
4188
4189static void drm_parse_y420cmdb_bitmap(struct drm_connector *connector,
4190 const u8 *db)
4191{
4192 struct drm_display_info *info = &connector->display_info;
4193 struct drm_hdmi_info *hdmi = &info->hdmi;
4194 u8 map_len = cea_db_payload_len(db) - 1;
4195 u8 count;
4196 u64 map = 0;
4197
4198 if (map_len == 0) {
4199 /* All CEA modes support ycbcr420 sampling also.*/
4200 hdmi->y420_cmdb_map = U64_MAX;
4201 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4202 return;
4203 }
4204
4205 /*
4206 * This map indicates which of the existing CEA block modes
4207 * from VDB can support YCBCR420 output too. So if bit=0 is
4208 * set, first mode from VDB can support YCBCR420 output too.
4209 * We will parse and keep this map, before parsing VDB itself
4210 * to avoid going through the same block again and again.
4211 *
4212 * Spec is not clear about max possible size of this block.
4213 * Clamping max bitmap block size at 8 bytes. Every byte can
4214 * address 8 CEA modes, in this way this map can address
4215 * 8*8 = first 64 SVDs.
4216 */
4217 if (WARN_ON_ONCE(map_len > 8))
4218 map_len = 8;
4219
4220 for (count = 0; count < map_len; count++)
4221 map |= (u64)db[2 + count] << (8 * count);
4222
4223 if (map)
4224 info->color_formats |= DRM_COLOR_FORMAT_YCRCB420;
4225
4226 hdmi->y420_cmdb_map = map;
4227}
4228
4229static int
4230add_cea_modes(struct drm_connector *connector, struct edid *edid)
4231{
4232 const u8 *cea = drm_find_cea_extension(edid);
4233 const u8 *db, *hdmi = NULL, *video = NULL;
4234 u8 dbl, hdmi_len, video_len = 0;
4235 int modes = 0;
4236
4237 if (cea && cea_revision(cea) >= 3) {
4238 int i, start, end;
4239
4240 if (cea_db_offsets(cea, &start, &end))
4241 return 0;
4242
4243 for_each_cea_db(cea, i, start, end) {
4244 db = &cea[i];
4245 dbl = cea_db_payload_len(db);
4246
4247 if (cea_db_tag(db) == VIDEO_BLOCK) {
4248 video = db + 1;
4249 video_len = dbl;
4250 modes += do_cea_modes(connector, video, dbl);
4251 } else if (cea_db_is_hdmi_vsdb(db)) {
4252 hdmi = db;
4253 hdmi_len = dbl;
4254 } else if (cea_db_is_y420vdb(db)) {
4255 const u8 *vdb420 = &db[2];
4256
4257 /* Add 4:2:0(only) modes present in EDID */
4258 modes += do_y420vdb_modes(connector,
4259 vdb420,
4260 dbl - 1);
4261 }
4262 }
4263 }
4264
4265 /*
4266 * We parse the HDMI VSDB after having added the cea modes as we will
4267 * be patching their flags when the sink supports stereo 3D.
4268 */
4269 if (hdmi)
4270 modes += do_hdmi_vsdb_modes(connector, hdmi, hdmi_len, video,
4271 video_len);
4272
4273 return modes;
4274}
4275
4276static void fixup_detailed_cea_mode_clock(struct drm_display_mode *mode)
4277{
4278 const struct drm_display_mode *cea_mode;
4279 int clock1, clock2, clock;
4280 u8 vic;
4281 const char *type;
4282
4283 /*
4284 * allow 5kHz clock difference either way to account for
4285 * the 10kHz clock resolution limit of detailed timings.
4286 */
4287 vic = drm_match_cea_mode_clock_tolerance(mode, 5);
4288 if (drm_valid_cea_vic(vic)) {
4289 type = "CEA";
4290 cea_mode = cea_mode_for_vic(vic);
4291 clock1 = cea_mode->clock;
4292 clock2 = cea_mode_alternate_clock(cea_mode);
4293 } else {
4294 vic = drm_match_hdmi_mode_clock_tolerance(mode, 5);
4295 if (drm_valid_hdmi_vic(vic)) {
4296 type = "HDMI";
4297 cea_mode = &edid_4k_modes[vic];
4298 clock1 = cea_mode->clock;
4299 clock2 = hdmi_mode_alternate_clock(cea_mode);
4300 } else {
4301 return;
4302 }
4303 }
4304
4305 /* pick whichever is closest */
4306 if (abs(mode->clock - clock1) < abs(mode->clock - clock2))
4307 clock = clock1;
4308 else
4309 clock = clock2;
4310
4311 if (mode->clock == clock)
4312 return;
4313
4314 DRM_DEBUG("detailed mode matches %s VIC %d, adjusting clock %d -> %d\n",
4315 type, vic, mode->clock, clock);
4316 mode->clock = clock;
4317}
4318
4319static bool cea_db_is_hdmi_hdr_metadata_block(const u8 *db)
4320{
4321 if (cea_db_tag(db) != USE_EXTENDED_TAG)
4322 return false;
4323
4324 if (db[1] != HDR_STATIC_METADATA_BLOCK)
4325 return false;
4326
4327 if (cea_db_payload_len(db) < 3)
4328 return false;
4329
4330 return true;
4331}
4332
4333static uint8_t eotf_supported(const u8 *edid_ext)
4334{
4335 return edid_ext[2] &
4336 (BIT(HDMI_EOTF_TRADITIONAL_GAMMA_SDR) |
4337 BIT(HDMI_EOTF_TRADITIONAL_GAMMA_HDR) |
4338 BIT(HDMI_EOTF_SMPTE_ST2084) |
4339 BIT(HDMI_EOTF_BT_2100_HLG));
4340}
4341
4342static uint8_t hdr_metadata_type(const u8 *edid_ext)
4343{
4344 return edid_ext[3] &
4345 BIT(HDMI_STATIC_METADATA_TYPE1);
4346}
4347
4348static void
4349drm_parse_hdr_metadata_block(struct drm_connector *connector, const u8 *db)
4350{
4351 u16 len;
4352
4353 len = cea_db_payload_len(db);
4354
4355 connector->hdr_sink_metadata.hdmi_type1.eotf =
4356 eotf_supported(db);
4357 connector->hdr_sink_metadata.hdmi_type1.metadata_type =
4358 hdr_metadata_type(db);
4359
4360 if (len >= 4)
4361 connector->hdr_sink_metadata.hdmi_type1.max_cll = db[4];
4362 if (len >= 5)
4363 connector->hdr_sink_metadata.hdmi_type1.max_fall = db[5];
4364 if (len >= 6)
4365 connector->hdr_sink_metadata.hdmi_type1.min_cll = db[6];
4366}
4367
4368static void
4369drm_parse_hdmi_vsdb_audio(struct drm_connector *connector, const u8 *db)
4370{
4371 u8 len = cea_db_payload_len(db);
4372
4373 if (len >= 6 && (db[6] & (1 << 7)))
4374 connector->eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_SUPPORTS_AI;
4375 if (len >= 8) {
4376 connector->latency_present[0] = db[8] >> 7;
4377 connector->latency_present[1] = (db[8] >> 6) & 1;
4378 }
4379 if (len >= 9)
4380 connector->video_latency[0] = db[9];
4381 if (len >= 10)
4382 connector->audio_latency[0] = db[10];
4383 if (len >= 11)
4384 connector->video_latency[1] = db[11];
4385 if (len >= 12)
4386 connector->audio_latency[1] = db[12];
4387
4388 DRM_DEBUG_KMS("HDMI: latency present %d %d, "
4389 "video latency %d %d, "
4390 "audio latency %d %d\n",
4391 connector->latency_present[0],
4392 connector->latency_present[1],
4393 connector->video_latency[0],
4394 connector->video_latency[1],
4395 connector->audio_latency[0],
4396 connector->audio_latency[1]);
4397}
4398
4399static void
4400monitor_name(struct detailed_timing *t, void *data)
4401{
4402 if (!is_display_descriptor((const u8 *)t, EDID_DETAIL_MONITOR_NAME))
4403 return;
4404
4405 *(u8 **)data = t->data.other_data.data.str.str;
4406}
4407
4408static int get_monitor_name(struct edid *edid, char name[13])
4409{
4410 char *edid_name = NULL;
4411 int mnl;
4412
4413 if (!edid || !name)
4414 return 0;
4415
4416 drm_for_each_detailed_block((u8 *)edid, monitor_name, &edid_name);
4417 for (mnl = 0; edid_name && mnl < 13; mnl++) {
4418 if (edid_name[mnl] == 0x0a)
4419 break;
4420
4421 name[mnl] = edid_name[mnl];
4422 }
4423
4424 return mnl;
4425}
4426
4427/**
4428 * drm_edid_get_monitor_name - fetch the monitor name from the edid
4429 * @edid: monitor EDID information
4430 * @name: pointer to a character array to hold the name of the monitor
4431 * @bufsize: The size of the name buffer (should be at least 14 chars.)
4432 *
4433 */
4434void drm_edid_get_monitor_name(struct edid *edid, char *name, int bufsize)
4435{
4436 int name_length;
4437 char buf[13];
4438
4439 if (bufsize <= 0)
4440 return;
4441
4442 name_length = min(get_monitor_name(edid, buf), bufsize - 1);
4443 memcpy(name, buf, name_length);
4444 name[name_length] = '\0';
4445}
4446EXPORT_SYMBOL(drm_edid_get_monitor_name);
4447
4448static void clear_eld(struct drm_connector *connector)
4449{
4450 memset(connector->eld, 0, sizeof(connector->eld));
4451
4452 connector->latency_present[0] = false;
4453 connector->latency_present[1] = false;
4454 connector->video_latency[0] = 0;
4455 connector->audio_latency[0] = 0;
4456 connector->video_latency[1] = 0;
4457 connector->audio_latency[1] = 0;
4458}
4459
4460/*
4461 * drm_edid_to_eld - build ELD from EDID
4462 * @connector: connector corresponding to the HDMI/DP sink
4463 * @edid: EDID to parse
4464 *
4465 * Fill the ELD (EDID-Like Data) buffer for passing to the audio driver. The
4466 * HDCP and Port_ID ELD fields are left for the graphics driver to fill in.
4467 */
4468static void drm_edid_to_eld(struct drm_connector *connector, struct edid *edid)
4469{
4470 uint8_t *eld = connector->eld;
4471 u8 *cea;
4472 u8 *db;
4473 int total_sad_count = 0;
4474 int mnl;
4475 int dbl;
4476
4477 clear_eld(connector);
4478
4479 if (!edid)
4480 return;
4481
4482 cea = drm_find_cea_extension(edid);
4483 if (!cea) {
4484 DRM_DEBUG_KMS("ELD: no CEA Extension found\n");
4485 return;
4486 }
4487
4488 mnl = get_monitor_name(edid, &eld[DRM_ELD_MONITOR_NAME_STRING]);
4489 DRM_DEBUG_KMS("ELD monitor %s\n", &eld[DRM_ELD_MONITOR_NAME_STRING]);
4490
4491 eld[DRM_ELD_CEA_EDID_VER_MNL] = cea[1] << DRM_ELD_CEA_EDID_VER_SHIFT;
4492 eld[DRM_ELD_CEA_EDID_VER_MNL] |= mnl;
4493
4494 eld[DRM_ELD_VER] = DRM_ELD_VER_CEA861D;
4495
4496 eld[DRM_ELD_MANUFACTURER_NAME0] = edid->mfg_id[0];
4497 eld[DRM_ELD_MANUFACTURER_NAME1] = edid->mfg_id[1];
4498 eld[DRM_ELD_PRODUCT_CODE0] = edid->prod_code[0];
4499 eld[DRM_ELD_PRODUCT_CODE1] = edid->prod_code[1];
4500
4501 if (cea_revision(cea) >= 3) {
4502 int i, start, end;
4503 int sad_count;
4504
4505 if (cea_db_offsets(cea, &start, &end)) {
4506 start = 0;
4507 end = 0;
4508 }
4509
4510 for_each_cea_db(cea, i, start, end) {
4511 db = &cea[i];
4512 dbl = cea_db_payload_len(db);
4513
4514 switch (cea_db_tag(db)) {
4515 case AUDIO_BLOCK:
4516 /* Audio Data Block, contains SADs */
4517 sad_count = min(dbl / 3, 15 - total_sad_count);
4518 if (sad_count >= 1)
4519 memcpy(&eld[DRM_ELD_CEA_SAD(mnl, total_sad_count)],
4520 &db[1], sad_count * 3);
4521 total_sad_count += sad_count;
4522 break;
4523 case SPEAKER_BLOCK:
4524 /* Speaker Allocation Data Block */
4525 if (dbl >= 1)
4526 eld[DRM_ELD_SPEAKER] = db[1];
4527 break;
4528 case VENDOR_BLOCK:
4529 /* HDMI Vendor-Specific Data Block */
4530 if (cea_db_is_hdmi_vsdb(db))
4531 drm_parse_hdmi_vsdb_audio(connector, db);
4532 break;
4533 default:
4534 break;
4535 }
4536 }
4537 }
4538 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= total_sad_count << DRM_ELD_SAD_COUNT_SHIFT;
4539
4540 if (connector->connector_type == DRM_MODE_CONNECTOR_DisplayPort ||
4541 connector->connector_type == DRM_MODE_CONNECTOR_eDP)
4542 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_DP;
4543 else
4544 eld[DRM_ELD_SAD_COUNT_CONN_TYPE] |= DRM_ELD_CONN_TYPE_HDMI;
4545
4546 eld[DRM_ELD_BASELINE_ELD_LEN] =
4547 DIV_ROUND_UP(drm_eld_calc_baseline_block_size(eld), 4);
4548
4549 DRM_DEBUG_KMS("ELD size %d, SAD count %d\n",
4550 drm_eld_size(eld), total_sad_count);
4551}
4552
4553/**
4554 * drm_edid_to_sad - extracts SADs from EDID
4555 * @edid: EDID to parse
4556 * @sads: pointer that will be set to the extracted SADs
4557 *
4558 * Looks for CEA EDID block and extracts SADs (Short Audio Descriptors) from it.
4559 *
4560 * Note: The returned pointer needs to be freed using kfree().
4561 *
4562 * Return: The number of found SADs or negative number on error.
4563 */
4564int drm_edid_to_sad(struct edid *edid, struct cea_sad **sads)
4565{
4566 int count = 0;
4567 int i, start, end, dbl;
4568 u8 *cea;
4569
4570 cea = drm_find_cea_extension(edid);
4571 if (!cea) {
4572 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4573 return 0;
4574 }
4575
4576 if (cea_revision(cea) < 3) {
4577 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4578 return 0;
4579 }
4580
4581 if (cea_db_offsets(cea, &start, &end)) {
4582 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4583 return -EPROTO;
4584 }
4585
4586 for_each_cea_db(cea, i, start, end) {
4587 u8 *db = &cea[i];
4588
4589 if (cea_db_tag(db) == AUDIO_BLOCK) {
4590 int j;
4591
4592 dbl = cea_db_payload_len(db);
4593
4594 count = dbl / 3; /* SAD is 3B */
4595 *sads = kcalloc(count, sizeof(**sads), GFP_KERNEL);
4596 if (!*sads)
4597 return -ENOMEM;
4598 for (j = 0; j < count; j++) {
4599 u8 *sad = &db[1 + j * 3];
4600
4601 (*sads)[j].format = (sad[0] & 0x78) >> 3;
4602 (*sads)[j].channels = sad[0] & 0x7;
4603 (*sads)[j].freq = sad[1] & 0x7F;
4604 (*sads)[j].byte2 = sad[2];
4605 }
4606 break;
4607 }
4608 }
4609
4610 return count;
4611}
4612EXPORT_SYMBOL(drm_edid_to_sad);
4613
4614/**
4615 * drm_edid_to_speaker_allocation - extracts Speaker Allocation Data Blocks from EDID
4616 * @edid: EDID to parse
4617 * @sadb: pointer to the speaker block
4618 *
4619 * Looks for CEA EDID block and extracts the Speaker Allocation Data Block from it.
4620 *
4621 * Note: The returned pointer needs to be freed using kfree().
4622 *
4623 * Return: The number of found Speaker Allocation Blocks or negative number on
4624 * error.
4625 */
4626int drm_edid_to_speaker_allocation(struct edid *edid, u8 **sadb)
4627{
4628 int count = 0;
4629 int i, start, end, dbl;
4630 const u8 *cea;
4631
4632 cea = drm_find_cea_extension(edid);
4633 if (!cea) {
4634 DRM_DEBUG_KMS("SAD: no CEA Extension found\n");
4635 return 0;
4636 }
4637
4638 if (cea_revision(cea) < 3) {
4639 DRM_DEBUG_KMS("SAD: wrong CEA revision\n");
4640 return 0;
4641 }
4642
4643 if (cea_db_offsets(cea, &start, &end)) {
4644 DRM_DEBUG_KMS("SAD: invalid data block offsets\n");
4645 return -EPROTO;
4646 }
4647
4648 for_each_cea_db(cea, i, start, end) {
4649 const u8 *db = &cea[i];
4650
4651 if (cea_db_tag(db) == SPEAKER_BLOCK) {
4652 dbl = cea_db_payload_len(db);
4653
4654 /* Speaker Allocation Data Block */
4655 if (dbl == 3) {
4656 *sadb = kmemdup(&db[1], dbl, GFP_KERNEL);
4657 if (!*sadb)
4658 return -ENOMEM;
4659 count = dbl;
4660 break;
4661 }
4662 }
4663 }
4664
4665 return count;
4666}
4667EXPORT_SYMBOL(drm_edid_to_speaker_allocation);
4668
4669/**
4670 * drm_av_sync_delay - compute the HDMI/DP sink audio-video sync delay
4671 * @connector: connector associated with the HDMI/DP sink
4672 * @mode: the display mode
4673 *
4674 * Return: The HDMI/DP sink's audio-video sync delay in milliseconds or 0 if
4675 * the sink doesn't support audio or video.
4676 */
4677int drm_av_sync_delay(struct drm_connector *connector,
4678 const struct drm_display_mode *mode)
4679{
4680 int i = !!(mode->flags & DRM_MODE_FLAG_INTERLACE);
4681 int a, v;
4682
4683 if (!connector->latency_present[0])
4684 return 0;
4685 if (!connector->latency_present[1])
4686 i = 0;
4687
4688 a = connector->audio_latency[i];
4689 v = connector->video_latency[i];
4690
4691 /*
4692 * HDMI/DP sink doesn't support audio or video?
4693 */
4694 if (a == 255 || v == 255)
4695 return 0;
4696
4697 /*
4698 * Convert raw EDID values to millisecond.
4699 * Treat unknown latency as 0ms.
4700 */
4701 if (a)
4702 a = min(2 * (a - 1), 500);
4703 if (v)
4704 v = min(2 * (v - 1), 500);
4705
4706 return max(v - a, 0);
4707}
4708EXPORT_SYMBOL(drm_av_sync_delay);
4709
4710/**
4711 * drm_detect_hdmi_monitor - detect whether monitor is HDMI
4712 * @edid: monitor EDID information
4713 *
4714 * Parse the CEA extension according to CEA-861-B.
4715 *
4716 * Drivers that have added the modes parsed from EDID to drm_display_info
4717 * should use &drm_display_info.is_hdmi instead of calling this function.
4718 *
4719 * Return: True if the monitor is HDMI, false if not or unknown.
4720 */
4721bool drm_detect_hdmi_monitor(struct edid *edid)
4722{
4723 u8 *edid_ext;
4724 int i;
4725 int start_offset, end_offset;
4726
4727 edid_ext = drm_find_cea_extension(edid);
4728 if (!edid_ext)
4729 return false;
4730
4731 if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4732 return false;
4733
4734 /*
4735 * Because HDMI identifier is in Vendor Specific Block,
4736 * search it from all data blocks of CEA extension.
4737 */
4738 for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4739 if (cea_db_is_hdmi_vsdb(&edid_ext[i]))
4740 return true;
4741 }
4742
4743 return false;
4744}
4745EXPORT_SYMBOL(drm_detect_hdmi_monitor);
4746
4747/**
4748 * drm_detect_monitor_audio - check monitor audio capability
4749 * @edid: EDID block to scan
4750 *
4751 * Monitor should have CEA extension block.
4752 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
4753 * audio' only. If there is any audio extension block and supported
4754 * audio format, assume at least 'basic audio' support, even if 'basic
4755 * audio' is not defined in EDID.
4756 *
4757 * Return: True if the monitor supports audio, false otherwise.
4758 */
4759bool drm_detect_monitor_audio(struct edid *edid)
4760{
4761 u8 *edid_ext;
4762 int i, j;
4763 bool has_audio = false;
4764 int start_offset, end_offset;
4765
4766 edid_ext = drm_find_cea_extension(edid);
4767 if (!edid_ext)
4768 goto end;
4769
4770 has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
4771
4772 if (has_audio) {
4773 DRM_DEBUG_KMS("Monitor has basic audio support\n");
4774 goto end;
4775 }
4776
4777 if (cea_db_offsets(edid_ext, &start_offset, &end_offset))
4778 goto end;
4779
4780 for_each_cea_db(edid_ext, i, start_offset, end_offset) {
4781 if (cea_db_tag(&edid_ext[i]) == AUDIO_BLOCK) {
4782 has_audio = true;
4783 for (j = 1; j < cea_db_payload_len(&edid_ext[i]) + 1; j += 3)
4784 DRM_DEBUG_KMS("CEA audio format %d\n",
4785 (edid_ext[i + j] >> 3) & 0xf);
4786 goto end;
4787 }
4788 }
4789end:
4790 return has_audio;
4791}
4792EXPORT_SYMBOL(drm_detect_monitor_audio);
4793
4794
4795/**
4796 * drm_default_rgb_quant_range - default RGB quantization range
4797 * @mode: display mode
4798 *
4799 * Determine the default RGB quantization range for the mode,
4800 * as specified in CEA-861.
4801 *
4802 * Return: The default RGB quantization range for the mode
4803 */
4804enum hdmi_quantization_range
4805drm_default_rgb_quant_range(const struct drm_display_mode *mode)
4806{
4807 /* All CEA modes other than VIC 1 use limited quantization range. */
4808 return drm_match_cea_mode(mode) > 1 ?
4809 HDMI_QUANTIZATION_RANGE_LIMITED :
4810 HDMI_QUANTIZATION_RANGE_FULL;
4811}
4812EXPORT_SYMBOL(drm_default_rgb_quant_range);
4813
4814static void drm_parse_vcdb(struct drm_connector *connector, const u8 *db)
4815{
4816 struct drm_display_info *info = &connector->display_info;
4817
4818 DRM_DEBUG_KMS("CEA VCDB 0x%02x\n", db[2]);
4819
4820 if (db[2] & EDID_CEA_VCDB_QS)
4821 info->rgb_quant_range_selectable = true;
4822}
4823
4824static void drm_parse_ycbcr420_deep_color_info(struct drm_connector *connector,
4825 const u8 *db)
4826{
4827 u8 dc_mask;
4828 struct drm_hdmi_info *hdmi = &connector->display_info.hdmi;
4829
4830 dc_mask = db[7] & DRM_EDID_YCBCR420_DC_MASK;
4831 hdmi->y420_dc_modes = dc_mask;
4832}
4833
4834static void drm_parse_hdmi_forum_vsdb(struct drm_connector *connector,
4835 const u8 *hf_vsdb)
4836{
4837 struct drm_display_info *display = &connector->display_info;
4838 struct drm_hdmi_info *hdmi = &display->hdmi;
4839
4840 display->has_hdmi_infoframe = true;
4841
4842 if (hf_vsdb[6] & 0x80) {
4843 hdmi->scdc.supported = true;
4844 if (hf_vsdb[6] & 0x40)
4845 hdmi->scdc.read_request = true;
4846 }
4847
4848 /*
4849 * All HDMI 2.0 monitors must support scrambling at rates > 340 MHz.
4850 * And as per the spec, three factors confirm this:
4851 * * Availability of a HF-VSDB block in EDID (check)
4852 * * Non zero Max_TMDS_Char_Rate filed in HF-VSDB (let's check)
4853 * * SCDC support available (let's check)
4854 * Lets check it out.
4855 */
4856
4857 if (hf_vsdb[5]) {
4858 /* max clock is 5000 KHz times block value */
4859 u32 max_tmds_clock = hf_vsdb[5] * 5000;
4860 struct drm_scdc *scdc = &hdmi->scdc;
4861
4862 if (max_tmds_clock > 340000) {
4863 display->max_tmds_clock = max_tmds_clock;
4864 DRM_DEBUG_KMS("HF-VSDB: max TMDS clock %d kHz\n",
4865 display->max_tmds_clock);
4866 }
4867
4868 if (scdc->supported) {
4869 scdc->scrambling.supported = true;
4870
4871 /* Few sinks support scrambling for clocks < 340M */
4872 if ((hf_vsdb[6] & 0x8))
4873 scdc->scrambling.low_rates = true;
4874 }
4875 }
4876
4877 drm_parse_ycbcr420_deep_color_info(connector, hf_vsdb);
4878}
4879
4880static void drm_parse_hdmi_deep_color_info(struct drm_connector *connector,
4881 const u8 *hdmi)
4882{
4883 struct drm_display_info *info = &connector->display_info;
4884 unsigned int dc_bpc = 0;
4885
4886 /* HDMI supports at least 8 bpc */
4887 info->bpc = 8;
4888
4889 if (cea_db_payload_len(hdmi) < 6)
4890 return;
4891
4892 if (hdmi[6] & DRM_EDID_HDMI_DC_30) {
4893 dc_bpc = 10;
4894 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_30;
4895 DRM_DEBUG("%s: HDMI sink does deep color 30.\n",
4896 connector->name);
4897 }
4898
4899 if (hdmi[6] & DRM_EDID_HDMI_DC_36) {
4900 dc_bpc = 12;
4901 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_36;
4902 DRM_DEBUG("%s: HDMI sink does deep color 36.\n",
4903 connector->name);
4904 }
4905
4906 if (hdmi[6] & DRM_EDID_HDMI_DC_48) {
4907 dc_bpc = 16;
4908 info->edid_hdmi_dc_modes |= DRM_EDID_HDMI_DC_48;
4909 DRM_DEBUG("%s: HDMI sink does deep color 48.\n",
4910 connector->name);
4911 }
4912
4913 if (dc_bpc == 0) {
4914 DRM_DEBUG("%s: No deep color support on this HDMI sink.\n",
4915 connector->name);
4916 return;
4917 }
4918
4919 DRM_DEBUG("%s: Assigning HDMI sink color depth as %d bpc.\n",
4920 connector->name, dc_bpc);
4921 info->bpc = dc_bpc;
4922
4923 /*
4924 * Deep color support mandates RGB444 support for all video
4925 * modes and forbids YCRCB422 support for all video modes per
4926 * HDMI 1.3 spec.
4927 */
4928 info->color_formats = DRM_COLOR_FORMAT_RGB444;
4929
4930 /* YCRCB444 is optional according to spec. */
4931 if (hdmi[6] & DRM_EDID_HDMI_DC_Y444) {
4932 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4933 DRM_DEBUG("%s: HDMI sink does YCRCB444 in deep color.\n",
4934 connector->name);
4935 }
4936
4937 /*
4938 * Spec says that if any deep color mode is supported at all,
4939 * then deep color 36 bit must be supported.
4940 */
4941 if (!(hdmi[6] & DRM_EDID_HDMI_DC_36)) {
4942 DRM_DEBUG("%s: HDMI sink should do DC_36, but does not!\n",
4943 connector->name);
4944 }
4945}
4946
4947static void
4948drm_parse_hdmi_vsdb_video(struct drm_connector *connector, const u8 *db)
4949{
4950 struct drm_display_info *info = &connector->display_info;
4951 u8 len = cea_db_payload_len(db);
4952
4953 info->is_hdmi = true;
4954
4955 if (len >= 6)
4956 info->dvi_dual = db[6] & 1;
4957 if (len >= 7)
4958 info->max_tmds_clock = db[7] * 5000;
4959
4960 DRM_DEBUG_KMS("HDMI: DVI dual %d, "
4961 "max TMDS clock %d kHz\n",
4962 info->dvi_dual,
4963 info->max_tmds_clock);
4964
4965 drm_parse_hdmi_deep_color_info(connector, db);
4966}
4967
4968static void drm_parse_cea_ext(struct drm_connector *connector,
4969 const struct edid *edid)
4970{
4971 struct drm_display_info *info = &connector->display_info;
4972 const u8 *edid_ext;
4973 int i, start, end;
4974
4975 edid_ext = drm_find_cea_extension(edid);
4976 if (!edid_ext)
4977 return;
4978
4979 info->cea_rev = edid_ext[1];
4980
4981 /* The existence of a CEA block should imply RGB support */
4982 info->color_formats = DRM_COLOR_FORMAT_RGB444;
4983 if (edid_ext[3] & EDID_CEA_YCRCB444)
4984 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
4985 if (edid_ext[3] & EDID_CEA_YCRCB422)
4986 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
4987
4988 if (cea_db_offsets(edid_ext, &start, &end))
4989 return;
4990
4991 for_each_cea_db(edid_ext, i, start, end) {
4992 const u8 *db = &edid_ext[i];
4993
4994 if (cea_db_is_hdmi_vsdb(db))
4995 drm_parse_hdmi_vsdb_video(connector, db);
4996 if (cea_db_is_hdmi_forum_vsdb(db))
4997 drm_parse_hdmi_forum_vsdb(connector, db);
4998 if (cea_db_is_y420cmdb(db))
4999 drm_parse_y420cmdb_bitmap(connector, db);
5000 if (cea_db_is_vcdb(db))
5001 drm_parse_vcdb(connector, db);
5002 if (cea_db_is_hdmi_hdr_metadata_block(db))
5003 drm_parse_hdr_metadata_block(connector, db);
5004 }
5005}
5006
5007static
5008void get_monitor_range(struct detailed_timing *timing,
5009 void *info_monitor_range)
5010{
5011 struct drm_monitor_range_info *monitor_range = info_monitor_range;
5012 const struct detailed_non_pixel *data = &timing->data.other_data;
5013 const struct detailed_data_monitor_range *range = &data->data.range;
5014
5015 if (!is_display_descriptor((const u8 *)timing, EDID_DETAIL_MONITOR_RANGE))
5016 return;
5017
5018 /*
5019 * Check for flag range limits only. If flag == 1 then
5020 * no additional timing information provided.
5021 * Default GTF, GTF Secondary curve and CVT are not
5022 * supported
5023 */
5024 if (range->flags != DRM_EDID_RANGE_LIMITS_ONLY_FLAG)
5025 return;
5026
5027 monitor_range->min_vfreq = range->min_vfreq;
5028 monitor_range->max_vfreq = range->max_vfreq;
5029}
5030
5031static
5032void drm_get_monitor_range(struct drm_connector *connector,
5033 const struct edid *edid)
5034{
5035 struct drm_display_info *info = &connector->display_info;
5036
5037 if (!version_greater(edid, 1, 1))
5038 return;
5039
5040 drm_for_each_detailed_block((u8 *)edid, get_monitor_range,
5041 &info->monitor_range);
5042
5043 DRM_DEBUG_KMS("Supported Monitor Refresh rate range is %d Hz - %d Hz\n",
5044 info->monitor_range.min_vfreq,
5045 info->monitor_range.max_vfreq);
5046}
5047
5048/* A connector has no EDID information, so we've got no EDID to compute quirks from. Reset
5049 * all of the values which would have been set from EDID
5050 */
5051void
5052drm_reset_display_info(struct drm_connector *connector)
5053{
5054 struct drm_display_info *info = &connector->display_info;
5055
5056 info->width_mm = 0;
5057 info->height_mm = 0;
5058
5059 info->bpc = 0;
5060 info->color_formats = 0;
5061 info->cea_rev = 0;
5062 info->max_tmds_clock = 0;
5063 info->dvi_dual = false;
5064 info->is_hdmi = false;
5065 info->has_hdmi_infoframe = false;
5066 info->rgb_quant_range_selectable = false;
5067 memset(&info->hdmi, 0, sizeof(info->hdmi));
5068
5069 info->non_desktop = 0;
5070 memset(&info->monitor_range, 0, sizeof(info->monitor_range));
5071}
5072
5073u32 drm_add_display_info(struct drm_connector *connector, const struct edid *edid)
5074{
5075 struct drm_display_info *info = &connector->display_info;
5076
5077 u32 quirks = edid_get_quirks(edid);
5078
5079 drm_reset_display_info(connector);
5080
5081 info->width_mm = edid->width_cm * 10;
5082 info->height_mm = edid->height_cm * 10;
5083
5084 info->non_desktop = !!(quirks & EDID_QUIRK_NON_DESKTOP);
5085
5086 drm_get_monitor_range(connector, edid);
5087
5088 DRM_DEBUG_KMS("non_desktop set to %d\n", info->non_desktop);
5089
5090 if (edid->revision < 3)
5091 return quirks;
5092
5093 if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
5094 return quirks;
5095
5096 drm_parse_cea_ext(connector, edid);
5097
5098 /*
5099 * Digital sink with "DFP 1.x compliant TMDS" according to EDID 1.3?
5100 *
5101 * For such displays, the DFP spec 1.0, section 3.10 "EDID support"
5102 * tells us to assume 8 bpc color depth if the EDID doesn't have
5103 * extensions which tell otherwise.
5104 */
5105 if (info->bpc == 0 && edid->revision == 3 &&
5106 edid->input & DRM_EDID_DIGITAL_DFP_1_X) {
5107 info->bpc = 8;
5108 DRM_DEBUG("%s: Assigning DFP sink color depth as %d bpc.\n",
5109 connector->name, info->bpc);
5110 }
5111
5112 /* Only defined for 1.4 with digital displays */
5113 if (edid->revision < 4)
5114 return quirks;
5115
5116 switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
5117 case DRM_EDID_DIGITAL_DEPTH_6:
5118 info->bpc = 6;
5119 break;
5120 case DRM_EDID_DIGITAL_DEPTH_8:
5121 info->bpc = 8;
5122 break;
5123 case DRM_EDID_DIGITAL_DEPTH_10:
5124 info->bpc = 10;
5125 break;
5126 case DRM_EDID_DIGITAL_DEPTH_12:
5127 info->bpc = 12;
5128 break;
5129 case DRM_EDID_DIGITAL_DEPTH_14:
5130 info->bpc = 14;
5131 break;
5132 case DRM_EDID_DIGITAL_DEPTH_16:
5133 info->bpc = 16;
5134 break;
5135 case DRM_EDID_DIGITAL_DEPTH_UNDEF:
5136 default:
5137 info->bpc = 0;
5138 break;
5139 }
5140
5141 DRM_DEBUG("%s: Assigning EDID-1.4 digital sink color depth as %d bpc.\n",
5142 connector->name, info->bpc);
5143
5144 info->color_formats |= DRM_COLOR_FORMAT_RGB444;
5145 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB444)
5146 info->color_formats |= DRM_COLOR_FORMAT_YCRCB444;
5147 if (edid->features & DRM_EDID_FEATURE_RGB_YCRCB422)
5148 info->color_formats |= DRM_COLOR_FORMAT_YCRCB422;
5149 return quirks;
5150}
5151
5152static int validate_displayid(u8 *displayid, int length, int idx)
5153{
5154 int i, dispid_length;
5155 u8 csum = 0;
5156 struct displayid_hdr *base;
5157
5158 base = (struct displayid_hdr *)&displayid[idx];
5159
5160 DRM_DEBUG_KMS("base revision 0x%x, length %d, %d %d\n",
5161 base->rev, base->bytes, base->prod_id, base->ext_count);
5162
5163 /* +1 for DispID checksum */
5164 dispid_length = sizeof(*base) + base->bytes + 1;
5165 if (dispid_length > length - idx)
5166 return -EINVAL;
5167
5168 for (i = 0; i < dispid_length; i++)
5169 csum += displayid[idx + i];
5170 if (csum) {
5171 DRM_NOTE("DisplayID checksum invalid, remainder is %d\n", csum);
5172 return -EINVAL;
5173 }
5174
5175 return 0;
5176}
5177
5178static struct drm_display_mode *drm_mode_displayid_detailed(struct drm_device *dev,
5179 struct displayid_detailed_timings_1 *timings)
5180{
5181 struct drm_display_mode *mode;
5182 unsigned pixel_clock = (timings->pixel_clock[0] |
5183 (timings->pixel_clock[1] << 8) |
5184 (timings->pixel_clock[2] << 16)) + 1;
5185 unsigned hactive = (timings->hactive[0] | timings->hactive[1] << 8) + 1;
5186 unsigned hblank = (timings->hblank[0] | timings->hblank[1] << 8) + 1;
5187 unsigned hsync = (timings->hsync[0] | (timings->hsync[1] & 0x7f) << 8) + 1;
5188 unsigned hsync_width = (timings->hsw[0] | timings->hsw[1] << 8) + 1;
5189 unsigned vactive = (timings->vactive[0] | timings->vactive[1] << 8) + 1;
5190 unsigned vblank = (timings->vblank[0] | timings->vblank[1] << 8) + 1;
5191 unsigned vsync = (timings->vsync[0] | (timings->vsync[1] & 0x7f) << 8) + 1;
5192 unsigned vsync_width = (timings->vsw[0] | timings->vsw[1] << 8) + 1;
5193 bool hsync_positive = (timings->hsync[1] >> 7) & 0x1;
5194 bool vsync_positive = (timings->vsync[1] >> 7) & 0x1;
5195
5196 mode = drm_mode_create(dev);
5197 if (!mode)
5198 return NULL;
5199
5200 mode->clock = pixel_clock * 10;
5201 mode->hdisplay = hactive;
5202 mode->hsync_start = mode->hdisplay + hsync;
5203 mode->hsync_end = mode->hsync_start + hsync_width;
5204 mode->htotal = mode->hdisplay + hblank;
5205
5206 mode->vdisplay = vactive;
5207 mode->vsync_start = mode->vdisplay + vsync;
5208 mode->vsync_end = mode->vsync_start + vsync_width;
5209 mode->vtotal = mode->vdisplay + vblank;
5210
5211 mode->flags = 0;
5212 mode->flags |= hsync_positive ? DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
5213 mode->flags |= vsync_positive ? DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
5214 mode->type = DRM_MODE_TYPE_DRIVER;
5215
5216 if (timings->flags & 0x80)
5217 mode->type |= DRM_MODE_TYPE_PREFERRED;
5218 drm_mode_set_name(mode);
5219
5220 return mode;
5221}
5222
5223static int add_displayid_detailed_1_modes(struct drm_connector *connector,
5224 struct displayid_block *block)
5225{
5226 struct displayid_detailed_timing_block *det = (struct displayid_detailed_timing_block *)block;
5227 int i;
5228 int num_timings;
5229 struct drm_display_mode *newmode;
5230 int num_modes = 0;
5231 /* blocks must be multiple of 20 bytes length */
5232 if (block->num_bytes % 20)
5233 return 0;
5234
5235 num_timings = block->num_bytes / 20;
5236 for (i = 0; i < num_timings; i++) {
5237 struct displayid_detailed_timings_1 *timings = &det->timings[i];
5238
5239 newmode = drm_mode_displayid_detailed(connector->dev, timings);
5240 if (!newmode)
5241 continue;
5242
5243 drm_mode_probed_add(connector, newmode);
5244 num_modes++;
5245 }
5246 return num_modes;
5247}
5248
5249static int add_displayid_detailed_modes(struct drm_connector *connector,
5250 struct edid *edid)
5251{
5252 u8 *displayid;
5253 int length, idx;
5254 struct displayid_block *block;
5255 int num_modes = 0;
5256 int ext_index = 0;
5257
5258 for (;;) {
5259 displayid = drm_find_displayid_extension(edid, &length, &idx,
5260 &ext_index);
5261 if (!displayid)
5262 break;
5263
5264 idx += sizeof(struct displayid_hdr);
5265 for_each_displayid_db(displayid, block, idx, length) {
5266 switch (block->tag) {
5267 case DATA_BLOCK_TYPE_1_DETAILED_TIMING:
5268 num_modes += add_displayid_detailed_1_modes(connector, block);
5269 break;
5270 }
5271 }
5272 }
5273
5274 return num_modes;
5275}
5276
5277/**
5278 * drm_add_edid_modes - add modes from EDID data, if available
5279 * @connector: connector we're probing
5280 * @edid: EDID data
5281 *
5282 * Add the specified modes to the connector's mode list. Also fills out the
5283 * &drm_display_info structure and ELD in @connector with any information which
5284 * can be derived from the edid.
5285 *
5286 * Return: The number of modes added or 0 if we couldn't find any.
5287 */
5288int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
5289{
5290 int num_modes = 0;
5291 u32 quirks;
5292
5293 if (edid == NULL) {
5294 clear_eld(connector);
5295 return 0;
5296 }
5297 if (!drm_edid_is_valid(edid)) {
5298 clear_eld(connector);
5299 drm_warn(connector->dev, "%s: EDID invalid.\n",
5300 connector->name);
5301 return 0;
5302 }
5303
5304 drm_edid_to_eld(connector, edid);
5305
5306 /*
5307 * CEA-861-F adds ycbcr capability map block, for HDMI 2.0 sinks.
5308 * To avoid multiple parsing of same block, lets parse that map
5309 * from sink info, before parsing CEA modes.
5310 */
5311 quirks = drm_add_display_info(connector, edid);
5312
5313 /*
5314 * EDID spec says modes should be preferred in this order:
5315 * - preferred detailed mode
5316 * - other detailed modes from base block
5317 * - detailed modes from extension blocks
5318 * - CVT 3-byte code modes
5319 * - standard timing codes
5320 * - established timing codes
5321 * - modes inferred from GTF or CVT range information
5322 *
5323 * We get this pretty much right.
5324 *
5325 * XXX order for additional mode types in extension blocks?
5326 */
5327 num_modes += add_detailed_modes(connector, edid, quirks);
5328 num_modes += add_cvt_modes(connector, edid);
5329 num_modes += add_standard_modes(connector, edid);
5330 num_modes += add_established_modes(connector, edid);
5331 num_modes += add_cea_modes(connector, edid);
5332 num_modes += add_alternate_cea_modes(connector, edid);
5333 num_modes += add_displayid_detailed_modes(connector, edid);
5334 if (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF)
5335 num_modes += add_inferred_modes(connector, edid);
5336
5337 if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
5338 edid_fixup_preferred(connector, quirks);
5339
5340 if (quirks & EDID_QUIRK_FORCE_6BPC)
5341 connector->display_info.bpc = 6;
5342
5343 if (quirks & EDID_QUIRK_FORCE_8BPC)
5344 connector->display_info.bpc = 8;
5345
5346 if (quirks & EDID_QUIRK_FORCE_10BPC)
5347 connector->display_info.bpc = 10;
5348
5349 if (quirks & EDID_QUIRK_FORCE_12BPC)
5350 connector->display_info.bpc = 12;
5351
5352 return num_modes;
5353}
5354EXPORT_SYMBOL(drm_add_edid_modes);
5355
5356/**
5357 * drm_add_modes_noedid - add modes for the connectors without EDID
5358 * @connector: connector we're probing
5359 * @hdisplay: the horizontal display limit
5360 * @vdisplay: the vertical display limit
5361 *
5362 * Add the specified modes to the connector's mode list. Only when the
5363 * hdisplay/vdisplay is not beyond the given limit, it will be added.
5364 *
5365 * Return: The number of modes added or 0 if we couldn't find any.
5366 */
5367int drm_add_modes_noedid(struct drm_connector *connector,
5368 int hdisplay, int vdisplay)
5369{
5370 int i, count, num_modes = 0;
5371 struct drm_display_mode *mode;
5372 struct drm_device *dev = connector->dev;
5373
5374 count = ARRAY_SIZE(drm_dmt_modes);
5375 if (hdisplay < 0)
5376 hdisplay = 0;
5377 if (vdisplay < 0)
5378 vdisplay = 0;
5379
5380 for (i = 0; i < count; i++) {
5381 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
5382
5383 if (hdisplay && vdisplay) {
5384 /*
5385 * Only when two are valid, they will be used to check
5386 * whether the mode should be added to the mode list of
5387 * the connector.
5388 */
5389 if (ptr->hdisplay > hdisplay ||
5390 ptr->vdisplay > vdisplay)
5391 continue;
5392 }
5393 if (drm_mode_vrefresh(ptr) > 61)
5394 continue;
5395 mode = drm_mode_duplicate(dev, ptr);
5396 if (mode) {
5397 drm_mode_probed_add(connector, mode);
5398 num_modes++;
5399 }
5400 }
5401 return num_modes;
5402}
5403EXPORT_SYMBOL(drm_add_modes_noedid);
5404
5405/**
5406 * drm_set_preferred_mode - Sets the preferred mode of a connector
5407 * @connector: connector whose mode list should be processed
5408 * @hpref: horizontal resolution of preferred mode
5409 * @vpref: vertical resolution of preferred mode
5410 *
5411 * Marks a mode as preferred if it matches the resolution specified by @hpref
5412 * and @vpref.
5413 */
5414void drm_set_preferred_mode(struct drm_connector *connector,
5415 int hpref, int vpref)
5416{
5417 struct drm_display_mode *mode;
5418
5419 list_for_each_entry(mode, &connector->probed_modes, head) {
5420 if (mode->hdisplay == hpref &&
5421 mode->vdisplay == vpref)
5422 mode->type |= DRM_MODE_TYPE_PREFERRED;
5423 }
5424}
5425EXPORT_SYMBOL(drm_set_preferred_mode);
5426
5427static bool is_hdmi2_sink(const struct drm_connector *connector)
5428{
5429 /*
5430 * FIXME: sil-sii8620 doesn't have a connector around when
5431 * we need one, so we have to be prepared for a NULL connector.
5432 */
5433 if (!connector)
5434 return true;
5435
5436 return connector->display_info.hdmi.scdc.supported ||
5437 connector->display_info.color_formats & DRM_COLOR_FORMAT_YCRCB420;
5438}
5439
5440static inline bool is_eotf_supported(u8 output_eotf, u8 sink_eotf)
5441{
5442 return sink_eotf & BIT(output_eotf);
5443}
5444
5445/**
5446 * drm_hdmi_infoframe_set_hdr_metadata() - fill an HDMI DRM infoframe with
5447 * HDR metadata from userspace
5448 * @frame: HDMI DRM infoframe
5449 * @conn_state: Connector state containing HDR metadata
5450 *
5451 * Return: 0 on success or a negative error code on failure.
5452 */
5453int
5454drm_hdmi_infoframe_set_hdr_metadata(struct hdmi_drm_infoframe *frame,
5455 const struct drm_connector_state *conn_state)
5456{
5457 struct drm_connector *connector;
5458 struct hdr_output_metadata *hdr_metadata;
5459 int err;
5460
5461 if (!frame || !conn_state)
5462 return -EINVAL;
5463
5464 connector = conn_state->connector;
5465
5466 if (!conn_state->hdr_output_metadata)
5467 return -EINVAL;
5468
5469 hdr_metadata = conn_state->hdr_output_metadata->data;
5470
5471 if (!hdr_metadata || !connector)
5472 return -EINVAL;
5473
5474 /* Sink EOTF is Bit map while infoframe is absolute values */
5475 if (!is_eotf_supported(hdr_metadata->hdmi_metadata_type1.eotf,
5476 connector->hdr_sink_metadata.hdmi_type1.eotf)) {
5477 DRM_DEBUG_KMS("EOTF Not Supported\n");
5478 return -EINVAL;
5479 }
5480
5481 err = hdmi_drm_infoframe_init(frame);
5482 if (err < 0)
5483 return err;
5484
5485 frame->eotf = hdr_metadata->hdmi_metadata_type1.eotf;
5486 frame->metadata_type = hdr_metadata->hdmi_metadata_type1.metadata_type;
5487
5488 BUILD_BUG_ON(sizeof(frame->display_primaries) !=
5489 sizeof(hdr_metadata->hdmi_metadata_type1.display_primaries));
5490 BUILD_BUG_ON(sizeof(frame->white_point) !=
5491 sizeof(hdr_metadata->hdmi_metadata_type1.white_point));
5492
5493 memcpy(&frame->display_primaries,
5494 &hdr_metadata->hdmi_metadata_type1.display_primaries,
5495 sizeof(frame->display_primaries));
5496
5497 memcpy(&frame->white_point,
5498 &hdr_metadata->hdmi_metadata_type1.white_point,
5499 sizeof(frame->white_point));
5500
5501 frame->max_display_mastering_luminance =
5502 hdr_metadata->hdmi_metadata_type1.max_display_mastering_luminance;
5503 frame->min_display_mastering_luminance =
5504 hdr_metadata->hdmi_metadata_type1.min_display_mastering_luminance;
5505 frame->max_fall = hdr_metadata->hdmi_metadata_type1.max_fall;
5506 frame->max_cll = hdr_metadata->hdmi_metadata_type1.max_cll;
5507
5508 return 0;
5509}
5510EXPORT_SYMBOL(drm_hdmi_infoframe_set_hdr_metadata);
5511
5512static u8 drm_mode_hdmi_vic(const struct drm_connector *connector,
5513 const struct drm_display_mode *mode)
5514{
5515 bool has_hdmi_infoframe = connector ?
5516 connector->display_info.has_hdmi_infoframe : false;
5517
5518 if (!has_hdmi_infoframe)
5519 return 0;
5520
5521 /* No HDMI VIC when signalling 3D video format */
5522 if (mode->flags & DRM_MODE_FLAG_3D_MASK)
5523 return 0;
5524
5525 return drm_match_hdmi_mode(mode);
5526}
5527
5528static u8 drm_mode_cea_vic(const struct drm_connector *connector,
5529 const struct drm_display_mode *mode)
5530{
5531 u8 vic;
5532
5533 /*
5534 * HDMI spec says if a mode is found in HDMI 1.4b 4K modes
5535 * we should send its VIC in vendor infoframes, else send the
5536 * VIC in AVI infoframes. Lets check if this mode is present in
5537 * HDMI 1.4b 4K modes
5538 */
5539 if (drm_mode_hdmi_vic(connector, mode))
5540 return 0;
5541
5542 vic = drm_match_cea_mode(mode);
5543
5544 /*
5545 * HDMI 1.4 VIC range: 1 <= VIC <= 64 (CEA-861-D) but
5546 * HDMI 2.0 VIC range: 1 <= VIC <= 107 (CEA-861-F). So we
5547 * have to make sure we dont break HDMI 1.4 sinks.
5548 */
5549 if (!is_hdmi2_sink(connector) && vic > 64)
5550 return 0;
5551
5552 return vic;
5553}
5554
5555/**
5556 * drm_hdmi_avi_infoframe_from_display_mode() - fill an HDMI AVI infoframe with
5557 * data from a DRM display mode
5558 * @frame: HDMI AVI infoframe
5559 * @connector: the connector
5560 * @mode: DRM display mode
5561 *
5562 * Return: 0 on success or a negative error code on failure.
5563 */
5564int
5565drm_hdmi_avi_infoframe_from_display_mode(struct hdmi_avi_infoframe *frame,
5566 const struct drm_connector *connector,
5567 const struct drm_display_mode *mode)
5568{
5569 enum hdmi_picture_aspect picture_aspect;
5570 u8 vic, hdmi_vic;
5571
5572 if (!frame || !mode)
5573 return -EINVAL;
5574
5575 hdmi_avi_infoframe_init(frame);
5576
5577 if (mode->flags & DRM_MODE_FLAG_DBLCLK)
5578 frame->pixel_repeat = 1;
5579
5580 vic = drm_mode_cea_vic(connector, mode);
5581 hdmi_vic = drm_mode_hdmi_vic(connector, mode);
5582
5583 frame->picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5584
5585 /*
5586 * As some drivers don't support atomic, we can't use connector state.
5587 * So just initialize the frame with default values, just the same way
5588 * as it's done with other properties here.
5589 */
5590 frame->content_type = HDMI_CONTENT_TYPE_GRAPHICS;
5591 frame->itc = 0;
5592
5593 /*
5594 * Populate picture aspect ratio from either
5595 * user input (if specified) or from the CEA/HDMI mode lists.
5596 */
5597 picture_aspect = mode->picture_aspect_ratio;
5598 if (picture_aspect == HDMI_PICTURE_ASPECT_NONE) {
5599 if (vic)
5600 picture_aspect = drm_get_cea_aspect_ratio(vic);
5601 else if (hdmi_vic)
5602 picture_aspect = drm_get_hdmi_aspect_ratio(hdmi_vic);
5603 }
5604
5605 /*
5606 * The infoframe can't convey anything but none, 4:3
5607 * and 16:9, so if the user has asked for anything else
5608 * we can only satisfy it by specifying the right VIC.
5609 */
5610 if (picture_aspect > HDMI_PICTURE_ASPECT_16_9) {
5611 if (vic) {
5612 if (picture_aspect != drm_get_cea_aspect_ratio(vic))
5613 return -EINVAL;
5614 } else if (hdmi_vic) {
5615 if (picture_aspect != drm_get_hdmi_aspect_ratio(hdmi_vic))
5616 return -EINVAL;
5617 } else {
5618 return -EINVAL;
5619 }
5620
5621 picture_aspect = HDMI_PICTURE_ASPECT_NONE;
5622 }
5623
5624 frame->video_code = vic;
5625 frame->picture_aspect = picture_aspect;
5626 frame->active_aspect = HDMI_ACTIVE_ASPECT_PICTURE;
5627 frame->scan_mode = HDMI_SCAN_MODE_UNDERSCAN;
5628
5629 return 0;
5630}
5631EXPORT_SYMBOL(drm_hdmi_avi_infoframe_from_display_mode);
5632
5633/* HDMI Colorspace Spec Definitions */
5634#define FULL_COLORIMETRY_MASK 0x1FF
5635#define NORMAL_COLORIMETRY_MASK 0x3
5636#define EXTENDED_COLORIMETRY_MASK 0x7
5637#define EXTENDED_ACE_COLORIMETRY_MASK 0xF
5638
5639#define C(x) ((x) << 0)
5640#define EC(x) ((x) << 2)
5641#define ACE(x) ((x) << 5)
5642
5643#define HDMI_COLORIMETRY_NO_DATA 0x0
5644#define HDMI_COLORIMETRY_SMPTE_170M_YCC (C(1) | EC(0) | ACE(0))
5645#define HDMI_COLORIMETRY_BT709_YCC (C(2) | EC(0) | ACE(0))
5646#define HDMI_COLORIMETRY_XVYCC_601 (C(3) | EC(0) | ACE(0))
5647#define HDMI_COLORIMETRY_XVYCC_709 (C(3) | EC(1) | ACE(0))
5648#define HDMI_COLORIMETRY_SYCC_601 (C(3) | EC(2) | ACE(0))
5649#define HDMI_COLORIMETRY_OPYCC_601 (C(3) | EC(3) | ACE(0))
5650#define HDMI_COLORIMETRY_OPRGB (C(3) | EC(4) | ACE(0))
5651#define HDMI_COLORIMETRY_BT2020_CYCC (C(3) | EC(5) | ACE(0))
5652#define HDMI_COLORIMETRY_BT2020_RGB (C(3) | EC(6) | ACE(0))
5653#define HDMI_COLORIMETRY_BT2020_YCC (C(3) | EC(6) | ACE(0))
5654#define HDMI_COLORIMETRY_DCI_P3_RGB_D65 (C(3) | EC(7) | ACE(0))
5655#define HDMI_COLORIMETRY_DCI_P3_RGB_THEATER (C(3) | EC(7) | ACE(1))
5656
5657static const u32 hdmi_colorimetry_val[] = {
5658 [DRM_MODE_COLORIMETRY_NO_DATA] = HDMI_COLORIMETRY_NO_DATA,
5659 [DRM_MODE_COLORIMETRY_SMPTE_170M_YCC] = HDMI_COLORIMETRY_SMPTE_170M_YCC,
5660 [DRM_MODE_COLORIMETRY_BT709_YCC] = HDMI_COLORIMETRY_BT709_YCC,
5661 [DRM_MODE_COLORIMETRY_XVYCC_601] = HDMI_COLORIMETRY_XVYCC_601,
5662 [DRM_MODE_COLORIMETRY_XVYCC_709] = HDMI_COLORIMETRY_XVYCC_709,
5663 [DRM_MODE_COLORIMETRY_SYCC_601] = HDMI_COLORIMETRY_SYCC_601,
5664 [DRM_MODE_COLORIMETRY_OPYCC_601] = HDMI_COLORIMETRY_OPYCC_601,
5665 [DRM_MODE_COLORIMETRY_OPRGB] = HDMI_COLORIMETRY_OPRGB,
5666 [DRM_MODE_COLORIMETRY_BT2020_CYCC] = HDMI_COLORIMETRY_BT2020_CYCC,
5667 [DRM_MODE_COLORIMETRY_BT2020_RGB] = HDMI_COLORIMETRY_BT2020_RGB,
5668 [DRM_MODE_COLORIMETRY_BT2020_YCC] = HDMI_COLORIMETRY_BT2020_YCC,
5669};
5670
5671#undef C
5672#undef EC
5673#undef ACE
5674
5675/**
5676 * drm_hdmi_avi_infoframe_colorspace() - fill the HDMI AVI infoframe
5677 * colorspace information
5678 * @frame: HDMI AVI infoframe
5679 * @conn_state: connector state
5680 */
5681void
5682drm_hdmi_avi_infoframe_colorspace(struct hdmi_avi_infoframe *frame,
5683 const struct drm_connector_state *conn_state)
5684{
5685 u32 colorimetry_val;
5686 u32 colorimetry_index = conn_state->colorspace & FULL_COLORIMETRY_MASK;
5687
5688 if (colorimetry_index >= ARRAY_SIZE(hdmi_colorimetry_val))
5689 colorimetry_val = HDMI_COLORIMETRY_NO_DATA;
5690 else
5691 colorimetry_val = hdmi_colorimetry_val[colorimetry_index];
5692
5693 frame->colorimetry = colorimetry_val & NORMAL_COLORIMETRY_MASK;
5694 /*
5695 * ToDo: Extend it for ACE formats as well. Modify the infoframe
5696 * structure and extend it in drivers/video/hdmi
5697 */
5698 frame->extended_colorimetry = (colorimetry_val >> 2) &
5699 EXTENDED_COLORIMETRY_MASK;
5700}
5701EXPORT_SYMBOL(drm_hdmi_avi_infoframe_colorspace);
5702
5703/**
5704 * drm_hdmi_avi_infoframe_quant_range() - fill the HDMI AVI infoframe
5705 * quantization range information
5706 * @frame: HDMI AVI infoframe
5707 * @connector: the connector
5708 * @mode: DRM display mode
5709 * @rgb_quant_range: RGB quantization range (Q)
5710 */
5711void
5712drm_hdmi_avi_infoframe_quant_range(struct hdmi_avi_infoframe *frame,
5713 const struct drm_connector *connector,
5714 const struct drm_display_mode *mode,
5715 enum hdmi_quantization_range rgb_quant_range)
5716{
5717 const struct drm_display_info *info = &connector->display_info;
5718
5719 /*
5720 * CEA-861:
5721 * "A Source shall not send a non-zero Q value that does not correspond
5722 * to the default RGB Quantization Range for the transmitted Picture
5723 * unless the Sink indicates support for the Q bit in a Video
5724 * Capabilities Data Block."
5725 *
5726 * HDMI 2.0 recommends sending non-zero Q when it does match the
5727 * default RGB quantization range for the mode, even when QS=0.
5728 */
5729 if (info->rgb_quant_range_selectable ||
5730 rgb_quant_range == drm_default_rgb_quant_range(mode))
5731 frame->quantization_range = rgb_quant_range;
5732 else
5733 frame->quantization_range = HDMI_QUANTIZATION_RANGE_DEFAULT;
5734
5735 /*
5736 * CEA-861-F:
5737 * "When transmitting any RGB colorimetry, the Source should set the
5738 * YQ-field to match the RGB Quantization Range being transmitted
5739 * (e.g., when Limited Range RGB, set YQ=0 or when Full Range RGB,
5740 * set YQ=1) and the Sink shall ignore the YQ-field."
5741 *
5742 * Unfortunate certain sinks (eg. VIZ Model 67/E261VA) get confused
5743 * by non-zero YQ when receiving RGB. There doesn't seem to be any
5744 * good way to tell which version of CEA-861 the sink supports, so
5745 * we limit non-zero YQ to HDMI 2.0 sinks only as HDMI 2.0 is based
5746 * on on CEA-861-F.
5747 */
5748 if (!is_hdmi2_sink(connector) ||
5749 rgb_quant_range == HDMI_QUANTIZATION_RANGE_LIMITED)
5750 frame->ycc_quantization_range =
5751 HDMI_YCC_QUANTIZATION_RANGE_LIMITED;
5752 else
5753 frame->ycc_quantization_range =
5754 HDMI_YCC_QUANTIZATION_RANGE_FULL;
5755}
5756EXPORT_SYMBOL(drm_hdmi_avi_infoframe_quant_range);
5757
5758/**
5759 * drm_hdmi_avi_infoframe_bars() - fill the HDMI AVI infoframe
5760 * bar information
5761 * @frame: HDMI AVI infoframe
5762 * @conn_state: connector state
5763 */
5764void
5765drm_hdmi_avi_infoframe_bars(struct hdmi_avi_infoframe *frame,
5766 const struct drm_connector_state *conn_state)
5767{
5768 frame->right_bar = conn_state->tv.margins.right;
5769 frame->left_bar = conn_state->tv.margins.left;
5770 frame->top_bar = conn_state->tv.margins.top;
5771 frame->bottom_bar = conn_state->tv.margins.bottom;
5772}
5773EXPORT_SYMBOL(drm_hdmi_avi_infoframe_bars);
5774
5775static enum hdmi_3d_structure
5776s3d_structure_from_display_mode(const struct drm_display_mode *mode)
5777{
5778 u32 layout = mode->flags & DRM_MODE_FLAG_3D_MASK;
5779
5780 switch (layout) {
5781 case DRM_MODE_FLAG_3D_FRAME_PACKING:
5782 return HDMI_3D_STRUCTURE_FRAME_PACKING;
5783 case DRM_MODE_FLAG_3D_FIELD_ALTERNATIVE:
5784 return HDMI_3D_STRUCTURE_FIELD_ALTERNATIVE;
5785 case DRM_MODE_FLAG_3D_LINE_ALTERNATIVE:
5786 return HDMI_3D_STRUCTURE_LINE_ALTERNATIVE;
5787 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_FULL:
5788 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_FULL;
5789 case DRM_MODE_FLAG_3D_L_DEPTH:
5790 return HDMI_3D_STRUCTURE_L_DEPTH;
5791 case DRM_MODE_FLAG_3D_L_DEPTH_GFX_GFX_DEPTH:
5792 return HDMI_3D_STRUCTURE_L_DEPTH_GFX_GFX_DEPTH;
5793 case DRM_MODE_FLAG_3D_TOP_AND_BOTTOM:
5794 return HDMI_3D_STRUCTURE_TOP_AND_BOTTOM;
5795 case DRM_MODE_FLAG_3D_SIDE_BY_SIDE_HALF:
5796 return HDMI_3D_STRUCTURE_SIDE_BY_SIDE_HALF;
5797 default:
5798 return HDMI_3D_STRUCTURE_INVALID;
5799 }
5800}
5801
5802/**
5803 * drm_hdmi_vendor_infoframe_from_display_mode() - fill an HDMI infoframe with
5804 * data from a DRM display mode
5805 * @frame: HDMI vendor infoframe
5806 * @connector: the connector
5807 * @mode: DRM display mode
5808 *
5809 * Note that there's is a need to send HDMI vendor infoframes only when using a
5810 * 4k or stereoscopic 3D mode. So when giving any other mode as input this
5811 * function will return -EINVAL, error that can be safely ignored.
5812 *
5813 * Return: 0 on success or a negative error code on failure.
5814 */
5815int
5816drm_hdmi_vendor_infoframe_from_display_mode(struct hdmi_vendor_infoframe *frame,
5817 const struct drm_connector *connector,
5818 const struct drm_display_mode *mode)
5819{
5820 /*
5821 * FIXME: sil-sii8620 doesn't have a connector around when
5822 * we need one, so we have to be prepared for a NULL connector.
5823 */
5824 bool has_hdmi_infoframe = connector ?
5825 connector->display_info.has_hdmi_infoframe : false;
5826 int err;
5827
5828 if (!frame || !mode)
5829 return -EINVAL;
5830
5831 if (!has_hdmi_infoframe)
5832 return -EINVAL;
5833
5834 err = hdmi_vendor_infoframe_init(frame);
5835 if (err < 0)
5836 return err;
5837
5838 /*
5839 * Even if it's not absolutely necessary to send the infoframe
5840 * (ie.vic==0 and s3d_struct==0) we will still send it if we
5841 * know that the sink can handle it. This is based on a
5842 * suggestion in HDMI 2.0 Appendix F. Apparently some sinks
5843 * have trouble realizing that they shuld switch from 3D to 2D
5844 * mode if the source simply stops sending the infoframe when
5845 * it wants to switch from 3D to 2D.
5846 */
5847 frame->vic = drm_mode_hdmi_vic(connector, mode);
5848 frame->s3d_struct = s3d_structure_from_display_mode(mode);
5849
5850 return 0;
5851}
5852EXPORT_SYMBOL(drm_hdmi_vendor_infoframe_from_display_mode);
5853
5854static void drm_parse_tiled_block(struct drm_connector *connector,
5855 const struct displayid_block *block)
5856{
5857 const struct displayid_tiled_block *tile = (struct displayid_tiled_block *)block;
5858 u16 w, h;
5859 u8 tile_v_loc, tile_h_loc;
5860 u8 num_v_tile, num_h_tile;
5861 struct drm_tile_group *tg;
5862
5863 w = tile->tile_size[0] | tile->tile_size[1] << 8;
5864 h = tile->tile_size[2] | tile->tile_size[3] << 8;
5865
5866 num_v_tile = (tile->topo[0] & 0xf) | (tile->topo[2] & 0x30);
5867 num_h_tile = (tile->topo[0] >> 4) | ((tile->topo[2] >> 2) & 0x30);
5868 tile_v_loc = (tile->topo[1] & 0xf) | ((tile->topo[2] & 0x3) << 4);
5869 tile_h_loc = (tile->topo[1] >> 4) | (((tile->topo[2] >> 2) & 0x3) << 4);
5870
5871 connector->has_tile = true;
5872 if (tile->tile_cap & 0x80)
5873 connector->tile_is_single_monitor = true;
5874
5875 connector->num_h_tile = num_h_tile + 1;
5876 connector->num_v_tile = num_v_tile + 1;
5877 connector->tile_h_loc = tile_h_loc;
5878 connector->tile_v_loc = tile_v_loc;
5879 connector->tile_h_size = w + 1;
5880 connector->tile_v_size = h + 1;
5881
5882 DRM_DEBUG_KMS("tile cap 0x%x\n", tile->tile_cap);
5883 DRM_DEBUG_KMS("tile_size %d x %d\n", w + 1, h + 1);
5884 DRM_DEBUG_KMS("topo num tiles %dx%d, location %dx%d\n",
5885 num_h_tile + 1, num_v_tile + 1, tile_h_loc, tile_v_loc);
5886 DRM_DEBUG_KMS("vend %c%c%c\n", tile->topology_id[0], tile->topology_id[1], tile->topology_id[2]);
5887
5888 tg = drm_mode_get_tile_group(connector->dev, tile->topology_id);
5889 if (!tg)
5890 tg = drm_mode_create_tile_group(connector->dev, tile->topology_id);
5891 if (!tg)
5892 return;
5893
5894 if (connector->tile_group != tg) {
5895 /* if we haven't got a pointer,
5896 take the reference, drop ref to old tile group */
5897 if (connector->tile_group)
5898 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5899 connector->tile_group = tg;
5900 } else {
5901 /* if same tile group, then release the ref we just took. */
5902 drm_mode_put_tile_group(connector->dev, tg);
5903 }
5904}
5905
5906static void drm_displayid_parse_tiled(struct drm_connector *connector,
5907 const u8 *displayid, int length, int idx)
5908{
5909 const struct displayid_block *block;
5910
5911 idx += sizeof(struct displayid_hdr);
5912 for_each_displayid_db(displayid, block, idx, length) {
5913 DRM_DEBUG_KMS("block id 0x%x, rev %d, len %d\n",
5914 block->tag, block->rev, block->num_bytes);
5915
5916 switch (block->tag) {
5917 case DATA_BLOCK_TILED_DISPLAY:
5918 drm_parse_tiled_block(connector, block);
5919 break;
5920 default:
5921 DRM_DEBUG_KMS("found DisplayID tag 0x%x, unhandled\n", block->tag);
5922 break;
5923 }
5924 }
5925}
5926
5927void drm_update_tile_info(struct drm_connector *connector,
5928 const struct edid *edid)
5929{
5930 const void *displayid = NULL;
5931 int ext_index = 0;
5932 int length, idx;
5933
5934 connector->has_tile = false;
5935 for (;;) {
5936 displayid = drm_find_displayid_extension(edid, &length, &idx,
5937 &ext_index);
5938 if (!displayid)
5939 break;
5940
5941 drm_displayid_parse_tiled(connector, displayid, length, idx);
5942 }
5943
5944 if (!connector->has_tile && connector->tile_group) {
5945 drm_mode_put_tile_group(connector->dev, connector->tile_group);
5946 connector->tile_group = NULL;
5947 }
5948}
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#include <linux/kernel.h>
31#include <linux/slab.h>
32#include <linux/i2c.h>
33#include "drmP.h"
34#include "drm_edid.h"
35#include "drm_edid_modes.h"
36
37#define version_greater(edid, maj, min) \
38 (((edid)->version > (maj)) || \
39 ((edid)->version == (maj) && (edid)->revision > (min)))
40
41#define EDID_EST_TIMINGS 16
42#define EDID_STD_TIMINGS 8
43#define EDID_DETAILED_TIMINGS 4
44
45/*
46 * EDID blocks out in the wild have a variety of bugs, try to collect
47 * them here (note that userspace may work around broken monitors first,
48 * but fixes should make their way here so that the kernel "just works"
49 * on as many displays as possible).
50 */
51
52/* First detailed mode wrong, use largest 60Hz mode */
53#define EDID_QUIRK_PREFER_LARGE_60 (1 << 0)
54/* Reported 135MHz pixel clock is too high, needs adjustment */
55#define EDID_QUIRK_135_CLOCK_TOO_HIGH (1 << 1)
56/* Prefer the largest mode at 75 Hz */
57#define EDID_QUIRK_PREFER_LARGE_75 (1 << 2)
58/* Detail timing is in cm not mm */
59#define EDID_QUIRK_DETAILED_IN_CM (1 << 3)
60/* Detailed timing descriptors have bogus size values, so just take the
61 * maximum size and use that.
62 */
63#define EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE (1 << 4)
64/* Monitor forgot to set the first detailed is preferred bit. */
65#define EDID_QUIRK_FIRST_DETAILED_PREFERRED (1 << 5)
66/* use +hsync +vsync for detailed mode */
67#define EDID_QUIRK_DETAILED_SYNC_PP (1 << 6)
68
69struct detailed_mode_closure {
70 struct drm_connector *connector;
71 struct edid *edid;
72 bool preferred;
73 u32 quirks;
74 int modes;
75};
76
77#define LEVEL_DMT 0
78#define LEVEL_GTF 1
79#define LEVEL_GTF2 2
80#define LEVEL_CVT 3
81
82static struct edid_quirk {
83 char *vendor;
84 int product_id;
85 u32 quirks;
86} edid_quirk_list[] = {
87 /* Acer AL1706 */
88 { "ACR", 44358, EDID_QUIRK_PREFER_LARGE_60 },
89 /* Acer F51 */
90 { "API", 0x7602, EDID_QUIRK_PREFER_LARGE_60 },
91 /* Unknown Acer */
92 { "ACR", 2423, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
93
94 /* Belinea 10 15 55 */
95 { "MAX", 1516, EDID_QUIRK_PREFER_LARGE_60 },
96 { "MAX", 0x77e, EDID_QUIRK_PREFER_LARGE_60 },
97
98 /* Envision Peripherals, Inc. EN-7100e */
99 { "EPI", 59264, EDID_QUIRK_135_CLOCK_TOO_HIGH },
100 /* Envision EN2028 */
101 { "EPI", 8232, EDID_QUIRK_PREFER_LARGE_60 },
102
103 /* Funai Electronics PM36B */
104 { "FCM", 13600, EDID_QUIRK_PREFER_LARGE_75 |
105 EDID_QUIRK_DETAILED_IN_CM },
106
107 /* LG Philips LCD LP154W01-A5 */
108 { "LPL", 0, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
109 { "LPL", 0x2a00, EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE },
110
111 /* Philips 107p5 CRT */
112 { "PHL", 57364, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
113
114 /* Proview AY765C */
115 { "PTS", 765, EDID_QUIRK_FIRST_DETAILED_PREFERRED },
116
117 /* Samsung SyncMaster 205BW. Note: irony */
118 { "SAM", 541, EDID_QUIRK_DETAILED_SYNC_PP },
119 /* Samsung SyncMaster 22[5-6]BW */
120 { "SAM", 596, EDID_QUIRK_PREFER_LARGE_60 },
121 { "SAM", 638, EDID_QUIRK_PREFER_LARGE_60 },
122};
123
124/*** DDC fetch and block validation ***/
125
126static const u8 edid_header[] = {
127 0x00, 0xff, 0xff, 0xff, 0xff, 0xff, 0xff, 0x00
128};
129
130 /*
131 * Sanity check the header of the base EDID block. Return 8 if the header
132 * is perfect, down to 0 if it's totally wrong.
133 */
134int drm_edid_header_is_valid(const u8 *raw_edid)
135{
136 int i, score = 0;
137
138 for (i = 0; i < sizeof(edid_header); i++)
139 if (raw_edid[i] == edid_header[i])
140 score++;
141
142 return score;
143}
144EXPORT_SYMBOL(drm_edid_header_is_valid);
145
146
147/*
148 * Sanity check the EDID block (base or extension). Return 0 if the block
149 * doesn't check out, or 1 if it's valid.
150 */
151static bool
152drm_edid_block_valid(u8 *raw_edid)
153{
154 int i;
155 u8 csum = 0;
156 struct edid *edid = (struct edid *)raw_edid;
157
158 if (raw_edid[0] == 0x00) {
159 int score = drm_edid_header_is_valid(raw_edid);
160 if (score == 8) ;
161 else if (score >= 6) {
162 DRM_DEBUG("Fixing EDID header, your hardware may be failing\n");
163 memcpy(raw_edid, edid_header, sizeof(edid_header));
164 } else {
165 goto bad;
166 }
167 }
168
169 for (i = 0; i < EDID_LENGTH; i++)
170 csum += raw_edid[i];
171 if (csum) {
172 DRM_ERROR("EDID checksum is invalid, remainder is %d\n", csum);
173
174 /* allow CEA to slide through, switches mangle this */
175 if (raw_edid[0] != 0x02)
176 goto bad;
177 }
178
179 /* per-block-type checks */
180 switch (raw_edid[0]) {
181 case 0: /* base */
182 if (edid->version != 1) {
183 DRM_ERROR("EDID has major version %d, instead of 1\n", edid->version);
184 goto bad;
185 }
186
187 if (edid->revision > 4)
188 DRM_DEBUG("EDID minor > 4, assuming backward compatibility\n");
189 break;
190
191 default:
192 break;
193 }
194
195 return 1;
196
197bad:
198 if (raw_edid) {
199 printk(KERN_ERR "Raw EDID:\n");
200 print_hex_dump(KERN_ERR, " \t", DUMP_PREFIX_NONE, 16, 1,
201 raw_edid, EDID_LENGTH, false);
202 }
203 return 0;
204}
205
206/**
207 * drm_edid_is_valid - sanity check EDID data
208 * @edid: EDID data
209 *
210 * Sanity-check an entire EDID record (including extensions)
211 */
212bool drm_edid_is_valid(struct edid *edid)
213{
214 int i;
215 u8 *raw = (u8 *)edid;
216
217 if (!edid)
218 return false;
219
220 for (i = 0; i <= edid->extensions; i++)
221 if (!drm_edid_block_valid(raw + i * EDID_LENGTH))
222 return false;
223
224 return true;
225}
226EXPORT_SYMBOL(drm_edid_is_valid);
227
228#define DDC_ADDR 0x50
229#define DDC_SEGMENT_ADDR 0x30
230/**
231 * Get EDID information via I2C.
232 *
233 * \param adapter : i2c device adaptor
234 * \param buf : EDID data buffer to be filled
235 * \param len : EDID data buffer length
236 * \return 0 on success or -1 on failure.
237 *
238 * Try to fetch EDID information by calling i2c driver function.
239 */
240static int
241drm_do_probe_ddc_edid(struct i2c_adapter *adapter, unsigned char *buf,
242 int block, int len)
243{
244 unsigned char start = block * EDID_LENGTH;
245 int ret, retries = 5;
246
247 /* The core i2c driver will automatically retry the transfer if the
248 * adapter reports EAGAIN. However, we find that bit-banging transfers
249 * are susceptible to errors under a heavily loaded machine and
250 * generate spurious NAKs and timeouts. Retrying the transfer
251 * of the individual block a few times seems to overcome this.
252 */
253 do {
254 struct i2c_msg msgs[] = {
255 {
256 .addr = DDC_ADDR,
257 .flags = 0,
258 .len = 1,
259 .buf = &start,
260 }, {
261 .addr = DDC_ADDR,
262 .flags = I2C_M_RD,
263 .len = len,
264 .buf = buf,
265 }
266 };
267 ret = i2c_transfer(adapter, msgs, 2);
268 } while (ret != 2 && --retries);
269
270 return ret == 2 ? 0 : -1;
271}
272
273static bool drm_edid_is_zero(u8 *in_edid, int length)
274{
275 int i;
276 u32 *raw_edid = (u32 *)in_edid;
277
278 for (i = 0; i < length / 4; i++)
279 if (*(raw_edid + i) != 0)
280 return false;
281 return true;
282}
283
284static u8 *
285drm_do_get_edid(struct drm_connector *connector, struct i2c_adapter *adapter)
286{
287 int i, j = 0, valid_extensions = 0;
288 u8 *block, *new;
289
290 if ((block = kmalloc(EDID_LENGTH, GFP_KERNEL)) == NULL)
291 return NULL;
292
293 /* base block fetch */
294 for (i = 0; i < 4; i++) {
295 if (drm_do_probe_ddc_edid(adapter, block, 0, EDID_LENGTH))
296 goto out;
297 if (drm_edid_block_valid(block))
298 break;
299 if (i == 0 && drm_edid_is_zero(block, EDID_LENGTH)) {
300 connector->null_edid_counter++;
301 goto carp;
302 }
303 }
304 if (i == 4)
305 goto carp;
306
307 /* if there's no extensions, we're done */
308 if (block[0x7e] == 0)
309 return block;
310
311 new = krealloc(block, (block[0x7e] + 1) * EDID_LENGTH, GFP_KERNEL);
312 if (!new)
313 goto out;
314 block = new;
315
316 for (j = 1; j <= block[0x7e]; j++) {
317 for (i = 0; i < 4; i++) {
318 if (drm_do_probe_ddc_edid(adapter,
319 block + (valid_extensions + 1) * EDID_LENGTH,
320 j, EDID_LENGTH))
321 goto out;
322 if (drm_edid_block_valid(block + (valid_extensions + 1) * EDID_LENGTH)) {
323 valid_extensions++;
324 break;
325 }
326 }
327 if (i == 4)
328 dev_warn(connector->dev->dev,
329 "%s: Ignoring invalid EDID block %d.\n",
330 drm_get_connector_name(connector), j);
331 }
332
333 if (valid_extensions != block[0x7e]) {
334 block[EDID_LENGTH-1] += block[0x7e] - valid_extensions;
335 block[0x7e] = valid_extensions;
336 new = krealloc(block, (valid_extensions + 1) * EDID_LENGTH, GFP_KERNEL);
337 if (!new)
338 goto out;
339 block = new;
340 }
341
342 return block;
343
344carp:
345 dev_warn(connector->dev->dev, "%s: EDID block %d invalid.\n",
346 drm_get_connector_name(connector), j);
347
348out:
349 kfree(block);
350 return NULL;
351}
352
353/**
354 * Probe DDC presence.
355 *
356 * \param adapter : i2c device adaptor
357 * \return 1 on success
358 */
359static bool
360drm_probe_ddc(struct i2c_adapter *adapter)
361{
362 unsigned char out;
363
364 return (drm_do_probe_ddc_edid(adapter, &out, 0, 1) == 0);
365}
366
367/**
368 * drm_get_edid - get EDID data, if available
369 * @connector: connector we're probing
370 * @adapter: i2c adapter to use for DDC
371 *
372 * Poke the given i2c channel to grab EDID data if possible. If found,
373 * attach it to the connector.
374 *
375 * Return edid data or NULL if we couldn't find any.
376 */
377struct edid *drm_get_edid(struct drm_connector *connector,
378 struct i2c_adapter *adapter)
379{
380 struct edid *edid = NULL;
381
382 if (drm_probe_ddc(adapter))
383 edid = (struct edid *)drm_do_get_edid(connector, adapter);
384
385 connector->display_info.raw_edid = (char *)edid;
386
387 return edid;
388
389}
390EXPORT_SYMBOL(drm_get_edid);
391
392/*** EDID parsing ***/
393
394/**
395 * edid_vendor - match a string against EDID's obfuscated vendor field
396 * @edid: EDID to match
397 * @vendor: vendor string
398 *
399 * Returns true if @vendor is in @edid, false otherwise
400 */
401static bool edid_vendor(struct edid *edid, char *vendor)
402{
403 char edid_vendor[3];
404
405 edid_vendor[0] = ((edid->mfg_id[0] & 0x7c) >> 2) + '@';
406 edid_vendor[1] = (((edid->mfg_id[0] & 0x3) << 3) |
407 ((edid->mfg_id[1] & 0xe0) >> 5)) + '@';
408 edid_vendor[2] = (edid->mfg_id[1] & 0x1f) + '@';
409
410 return !strncmp(edid_vendor, vendor, 3);
411}
412
413/**
414 * edid_get_quirks - return quirk flags for a given EDID
415 * @edid: EDID to process
416 *
417 * This tells subsequent routines what fixes they need to apply.
418 */
419static u32 edid_get_quirks(struct edid *edid)
420{
421 struct edid_quirk *quirk;
422 int i;
423
424 for (i = 0; i < ARRAY_SIZE(edid_quirk_list); i++) {
425 quirk = &edid_quirk_list[i];
426
427 if (edid_vendor(edid, quirk->vendor) &&
428 (EDID_PRODUCT_ID(edid) == quirk->product_id))
429 return quirk->quirks;
430 }
431
432 return 0;
433}
434
435#define MODE_SIZE(m) ((m)->hdisplay * (m)->vdisplay)
436#define MODE_REFRESH_DIFF(m,r) (abs((m)->vrefresh - target_refresh))
437
438/**
439 * edid_fixup_preferred - set preferred modes based on quirk list
440 * @connector: has mode list to fix up
441 * @quirks: quirks list
442 *
443 * Walk the mode list for @connector, clearing the preferred status
444 * on existing modes and setting it anew for the right mode ala @quirks.
445 */
446static void edid_fixup_preferred(struct drm_connector *connector,
447 u32 quirks)
448{
449 struct drm_display_mode *t, *cur_mode, *preferred_mode;
450 int target_refresh = 0;
451
452 if (list_empty(&connector->probed_modes))
453 return;
454
455 if (quirks & EDID_QUIRK_PREFER_LARGE_60)
456 target_refresh = 60;
457 if (quirks & EDID_QUIRK_PREFER_LARGE_75)
458 target_refresh = 75;
459
460 preferred_mode = list_first_entry(&connector->probed_modes,
461 struct drm_display_mode, head);
462
463 list_for_each_entry_safe(cur_mode, t, &connector->probed_modes, head) {
464 cur_mode->type &= ~DRM_MODE_TYPE_PREFERRED;
465
466 if (cur_mode == preferred_mode)
467 continue;
468
469 /* Largest mode is preferred */
470 if (MODE_SIZE(cur_mode) > MODE_SIZE(preferred_mode))
471 preferred_mode = cur_mode;
472
473 /* At a given size, try to get closest to target refresh */
474 if ((MODE_SIZE(cur_mode) == MODE_SIZE(preferred_mode)) &&
475 MODE_REFRESH_DIFF(cur_mode, target_refresh) <
476 MODE_REFRESH_DIFF(preferred_mode, target_refresh)) {
477 preferred_mode = cur_mode;
478 }
479 }
480
481 preferred_mode->type |= DRM_MODE_TYPE_PREFERRED;
482}
483
484struct drm_display_mode *drm_mode_find_dmt(struct drm_device *dev,
485 int hsize, int vsize, int fresh)
486{
487 struct drm_display_mode *mode = NULL;
488 int i;
489
490 for (i = 0; i < drm_num_dmt_modes; i++) {
491 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
492 if (hsize == ptr->hdisplay &&
493 vsize == ptr->vdisplay &&
494 fresh == drm_mode_vrefresh(ptr)) {
495 /* get the expected default mode */
496 mode = drm_mode_duplicate(dev, ptr);
497 break;
498 }
499 }
500 return mode;
501}
502EXPORT_SYMBOL(drm_mode_find_dmt);
503
504typedef void detailed_cb(struct detailed_timing *timing, void *closure);
505
506static void
507cea_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
508{
509 int i, n = 0;
510 u8 rev = ext[0x01], d = ext[0x02];
511 u8 *det_base = ext + d;
512
513 switch (rev) {
514 case 0:
515 /* can't happen */
516 return;
517 case 1:
518 /* have to infer how many blocks we have, check pixel clock */
519 for (i = 0; i < 6; i++)
520 if (det_base[18*i] || det_base[18*i+1])
521 n++;
522 break;
523 default:
524 /* explicit count */
525 n = min(ext[0x03] & 0x0f, 6);
526 break;
527 }
528
529 for (i = 0; i < n; i++)
530 cb((struct detailed_timing *)(det_base + 18 * i), closure);
531}
532
533static void
534vtb_for_each_detailed_block(u8 *ext, detailed_cb *cb, void *closure)
535{
536 unsigned int i, n = min((int)ext[0x02], 6);
537 u8 *det_base = ext + 5;
538
539 if (ext[0x01] != 1)
540 return; /* unknown version */
541
542 for (i = 0; i < n; i++)
543 cb((struct detailed_timing *)(det_base + 18 * i), closure);
544}
545
546static void
547drm_for_each_detailed_block(u8 *raw_edid, detailed_cb *cb, void *closure)
548{
549 int i;
550 struct edid *edid = (struct edid *)raw_edid;
551
552 if (edid == NULL)
553 return;
554
555 for (i = 0; i < EDID_DETAILED_TIMINGS; i++)
556 cb(&(edid->detailed_timings[i]), closure);
557
558 for (i = 1; i <= raw_edid[0x7e]; i++) {
559 u8 *ext = raw_edid + (i * EDID_LENGTH);
560 switch (*ext) {
561 case CEA_EXT:
562 cea_for_each_detailed_block(ext, cb, closure);
563 break;
564 case VTB_EXT:
565 vtb_for_each_detailed_block(ext, cb, closure);
566 break;
567 default:
568 break;
569 }
570 }
571}
572
573static void
574is_rb(struct detailed_timing *t, void *data)
575{
576 u8 *r = (u8 *)t;
577 if (r[3] == EDID_DETAIL_MONITOR_RANGE)
578 if (r[15] & 0x10)
579 *(bool *)data = true;
580}
581
582/* EDID 1.4 defines this explicitly. For EDID 1.3, we guess, badly. */
583static bool
584drm_monitor_supports_rb(struct edid *edid)
585{
586 if (edid->revision >= 4) {
587 bool ret;
588 drm_for_each_detailed_block((u8 *)edid, is_rb, &ret);
589 return ret;
590 }
591
592 return ((edid->input & DRM_EDID_INPUT_DIGITAL) != 0);
593}
594
595static void
596find_gtf2(struct detailed_timing *t, void *data)
597{
598 u8 *r = (u8 *)t;
599 if (r[3] == EDID_DETAIL_MONITOR_RANGE && r[10] == 0x02)
600 *(u8 **)data = r;
601}
602
603/* Secondary GTF curve kicks in above some break frequency */
604static int
605drm_gtf2_hbreak(struct edid *edid)
606{
607 u8 *r = NULL;
608 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
609 return r ? (r[12] * 2) : 0;
610}
611
612static int
613drm_gtf2_2c(struct edid *edid)
614{
615 u8 *r = NULL;
616 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
617 return r ? r[13] : 0;
618}
619
620static int
621drm_gtf2_m(struct edid *edid)
622{
623 u8 *r = NULL;
624 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
625 return r ? (r[15] << 8) + r[14] : 0;
626}
627
628static int
629drm_gtf2_k(struct edid *edid)
630{
631 u8 *r = NULL;
632 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
633 return r ? r[16] : 0;
634}
635
636static int
637drm_gtf2_2j(struct edid *edid)
638{
639 u8 *r = NULL;
640 drm_for_each_detailed_block((u8 *)edid, find_gtf2, &r);
641 return r ? r[17] : 0;
642}
643
644/**
645 * standard_timing_level - get std. timing level(CVT/GTF/DMT)
646 * @edid: EDID block to scan
647 */
648static int standard_timing_level(struct edid *edid)
649{
650 if (edid->revision >= 2) {
651 if (edid->revision >= 4 && (edid->features & DRM_EDID_FEATURE_DEFAULT_GTF))
652 return LEVEL_CVT;
653 if (drm_gtf2_hbreak(edid))
654 return LEVEL_GTF2;
655 return LEVEL_GTF;
656 }
657 return LEVEL_DMT;
658}
659
660/*
661 * 0 is reserved. The spec says 0x01 fill for unused timings. Some old
662 * monitors fill with ascii space (0x20) instead.
663 */
664static int
665bad_std_timing(u8 a, u8 b)
666{
667 return (a == 0x00 && b == 0x00) ||
668 (a == 0x01 && b == 0x01) ||
669 (a == 0x20 && b == 0x20);
670}
671
672/**
673 * drm_mode_std - convert standard mode info (width, height, refresh) into mode
674 * @t: standard timing params
675 * @timing_level: standard timing level
676 *
677 * Take the standard timing params (in this case width, aspect, and refresh)
678 * and convert them into a real mode using CVT/GTF/DMT.
679 */
680static struct drm_display_mode *
681drm_mode_std(struct drm_connector *connector, struct edid *edid,
682 struct std_timing *t, int revision)
683{
684 struct drm_device *dev = connector->dev;
685 struct drm_display_mode *m, *mode = NULL;
686 int hsize, vsize;
687 int vrefresh_rate;
688 unsigned aspect_ratio = (t->vfreq_aspect & EDID_TIMING_ASPECT_MASK)
689 >> EDID_TIMING_ASPECT_SHIFT;
690 unsigned vfreq = (t->vfreq_aspect & EDID_TIMING_VFREQ_MASK)
691 >> EDID_TIMING_VFREQ_SHIFT;
692 int timing_level = standard_timing_level(edid);
693
694 if (bad_std_timing(t->hsize, t->vfreq_aspect))
695 return NULL;
696
697 /* According to the EDID spec, the hdisplay = hsize * 8 + 248 */
698 hsize = t->hsize * 8 + 248;
699 /* vrefresh_rate = vfreq + 60 */
700 vrefresh_rate = vfreq + 60;
701 /* the vdisplay is calculated based on the aspect ratio */
702 if (aspect_ratio == 0) {
703 if (revision < 3)
704 vsize = hsize;
705 else
706 vsize = (hsize * 10) / 16;
707 } else if (aspect_ratio == 1)
708 vsize = (hsize * 3) / 4;
709 else if (aspect_ratio == 2)
710 vsize = (hsize * 4) / 5;
711 else
712 vsize = (hsize * 9) / 16;
713
714 /* HDTV hack, part 1 */
715 if (vrefresh_rate == 60 &&
716 ((hsize == 1360 && vsize == 765) ||
717 (hsize == 1368 && vsize == 769))) {
718 hsize = 1366;
719 vsize = 768;
720 }
721
722 /*
723 * If this connector already has a mode for this size and refresh
724 * rate (because it came from detailed or CVT info), use that
725 * instead. This way we don't have to guess at interlace or
726 * reduced blanking.
727 */
728 list_for_each_entry(m, &connector->probed_modes, head)
729 if (m->hdisplay == hsize && m->vdisplay == vsize &&
730 drm_mode_vrefresh(m) == vrefresh_rate)
731 return NULL;
732
733 /* HDTV hack, part 2 */
734 if (hsize == 1366 && vsize == 768 && vrefresh_rate == 60) {
735 mode = drm_cvt_mode(dev, 1366, 768, vrefresh_rate, 0, 0,
736 false);
737 mode->hdisplay = 1366;
738 mode->hsync_start = mode->hsync_start - 1;
739 mode->hsync_end = mode->hsync_end - 1;
740 return mode;
741 }
742
743 /* check whether it can be found in default mode table */
744 mode = drm_mode_find_dmt(dev, hsize, vsize, vrefresh_rate);
745 if (mode)
746 return mode;
747
748 switch (timing_level) {
749 case LEVEL_DMT:
750 break;
751 case LEVEL_GTF:
752 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
753 break;
754 case LEVEL_GTF2:
755 /*
756 * This is potentially wrong if there's ever a monitor with
757 * more than one ranges section, each claiming a different
758 * secondary GTF curve. Please don't do that.
759 */
760 mode = drm_gtf_mode(dev, hsize, vsize, vrefresh_rate, 0, 0);
761 if (drm_mode_hsync(mode) > drm_gtf2_hbreak(edid)) {
762 kfree(mode);
763 mode = drm_gtf_mode_complex(dev, hsize, vsize,
764 vrefresh_rate, 0, 0,
765 drm_gtf2_m(edid),
766 drm_gtf2_2c(edid),
767 drm_gtf2_k(edid),
768 drm_gtf2_2j(edid));
769 }
770 break;
771 case LEVEL_CVT:
772 mode = drm_cvt_mode(dev, hsize, vsize, vrefresh_rate, 0, 0,
773 false);
774 break;
775 }
776 return mode;
777}
778
779/*
780 * EDID is delightfully ambiguous about how interlaced modes are to be
781 * encoded. Our internal representation is of frame height, but some
782 * HDTV detailed timings are encoded as field height.
783 *
784 * The format list here is from CEA, in frame size. Technically we
785 * should be checking refresh rate too. Whatever.
786 */
787static void
788drm_mode_do_interlace_quirk(struct drm_display_mode *mode,
789 struct detailed_pixel_timing *pt)
790{
791 int i;
792 static const struct {
793 int w, h;
794 } cea_interlaced[] = {
795 { 1920, 1080 },
796 { 720, 480 },
797 { 1440, 480 },
798 { 2880, 480 },
799 { 720, 576 },
800 { 1440, 576 },
801 { 2880, 576 },
802 };
803
804 if (!(pt->misc & DRM_EDID_PT_INTERLACED))
805 return;
806
807 for (i = 0; i < ARRAY_SIZE(cea_interlaced); i++) {
808 if ((mode->hdisplay == cea_interlaced[i].w) &&
809 (mode->vdisplay == cea_interlaced[i].h / 2)) {
810 mode->vdisplay *= 2;
811 mode->vsync_start *= 2;
812 mode->vsync_end *= 2;
813 mode->vtotal *= 2;
814 mode->vtotal |= 1;
815 }
816 }
817
818 mode->flags |= DRM_MODE_FLAG_INTERLACE;
819}
820
821/**
822 * drm_mode_detailed - create a new mode from an EDID detailed timing section
823 * @dev: DRM device (needed to create new mode)
824 * @edid: EDID block
825 * @timing: EDID detailed timing info
826 * @quirks: quirks to apply
827 *
828 * An EDID detailed timing block contains enough info for us to create and
829 * return a new struct drm_display_mode.
830 */
831static struct drm_display_mode *drm_mode_detailed(struct drm_device *dev,
832 struct edid *edid,
833 struct detailed_timing *timing,
834 u32 quirks)
835{
836 struct drm_display_mode *mode;
837 struct detailed_pixel_timing *pt = &timing->data.pixel_data;
838 unsigned hactive = (pt->hactive_hblank_hi & 0xf0) << 4 | pt->hactive_lo;
839 unsigned vactive = (pt->vactive_vblank_hi & 0xf0) << 4 | pt->vactive_lo;
840 unsigned hblank = (pt->hactive_hblank_hi & 0xf) << 8 | pt->hblank_lo;
841 unsigned vblank = (pt->vactive_vblank_hi & 0xf) << 8 | pt->vblank_lo;
842 unsigned hsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc0) << 2 | pt->hsync_offset_lo;
843 unsigned hsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x30) << 4 | pt->hsync_pulse_width_lo;
844 unsigned vsync_offset = (pt->hsync_vsync_offset_pulse_width_hi & 0xc) >> 2 | pt->vsync_offset_pulse_width_lo >> 4;
845 unsigned vsync_pulse_width = (pt->hsync_vsync_offset_pulse_width_hi & 0x3) << 4 | (pt->vsync_offset_pulse_width_lo & 0xf);
846
847 /* ignore tiny modes */
848 if (hactive < 64 || vactive < 64)
849 return NULL;
850
851 if (pt->misc & DRM_EDID_PT_STEREO) {
852 printk(KERN_WARNING "stereo mode not supported\n");
853 return NULL;
854 }
855 if (!(pt->misc & DRM_EDID_PT_SEPARATE_SYNC)) {
856 printk(KERN_WARNING "composite sync not supported\n");
857 }
858
859 /* it is incorrect if hsync/vsync width is zero */
860 if (!hsync_pulse_width || !vsync_pulse_width) {
861 DRM_DEBUG_KMS("Incorrect Detailed timing. "
862 "Wrong Hsync/Vsync pulse width\n");
863 return NULL;
864 }
865 mode = drm_mode_create(dev);
866 if (!mode)
867 return NULL;
868
869 mode->type = DRM_MODE_TYPE_DRIVER;
870
871 if (quirks & EDID_QUIRK_135_CLOCK_TOO_HIGH)
872 timing->pixel_clock = cpu_to_le16(1088);
873
874 mode->clock = le16_to_cpu(timing->pixel_clock) * 10;
875
876 mode->hdisplay = hactive;
877 mode->hsync_start = mode->hdisplay + hsync_offset;
878 mode->hsync_end = mode->hsync_start + hsync_pulse_width;
879 mode->htotal = mode->hdisplay + hblank;
880
881 mode->vdisplay = vactive;
882 mode->vsync_start = mode->vdisplay + vsync_offset;
883 mode->vsync_end = mode->vsync_start + vsync_pulse_width;
884 mode->vtotal = mode->vdisplay + vblank;
885
886 /* Some EDIDs have bogus h/vtotal values */
887 if (mode->hsync_end > mode->htotal)
888 mode->htotal = mode->hsync_end + 1;
889 if (mode->vsync_end > mode->vtotal)
890 mode->vtotal = mode->vsync_end + 1;
891
892 drm_mode_do_interlace_quirk(mode, pt);
893
894 drm_mode_set_name(mode);
895
896 if (quirks & EDID_QUIRK_DETAILED_SYNC_PP) {
897 pt->misc |= DRM_EDID_PT_HSYNC_POSITIVE | DRM_EDID_PT_VSYNC_POSITIVE;
898 }
899
900 mode->flags |= (pt->misc & DRM_EDID_PT_HSYNC_POSITIVE) ?
901 DRM_MODE_FLAG_PHSYNC : DRM_MODE_FLAG_NHSYNC;
902 mode->flags |= (pt->misc & DRM_EDID_PT_VSYNC_POSITIVE) ?
903 DRM_MODE_FLAG_PVSYNC : DRM_MODE_FLAG_NVSYNC;
904
905 mode->width_mm = pt->width_mm_lo | (pt->width_height_mm_hi & 0xf0) << 4;
906 mode->height_mm = pt->height_mm_lo | (pt->width_height_mm_hi & 0xf) << 8;
907
908 if (quirks & EDID_QUIRK_DETAILED_IN_CM) {
909 mode->width_mm *= 10;
910 mode->height_mm *= 10;
911 }
912
913 if (quirks & EDID_QUIRK_DETAILED_USE_MAXIMUM_SIZE) {
914 mode->width_mm = edid->width_cm * 10;
915 mode->height_mm = edid->height_cm * 10;
916 }
917
918 return mode;
919}
920
921static bool
922mode_is_rb(const struct drm_display_mode *mode)
923{
924 return (mode->htotal - mode->hdisplay == 160) &&
925 (mode->hsync_end - mode->hdisplay == 80) &&
926 (mode->hsync_end - mode->hsync_start == 32) &&
927 (mode->vsync_start - mode->vdisplay == 3);
928}
929
930static bool
931mode_in_hsync_range(const struct drm_display_mode *mode,
932 struct edid *edid, u8 *t)
933{
934 int hsync, hmin, hmax;
935
936 hmin = t[7];
937 if (edid->revision >= 4)
938 hmin += ((t[4] & 0x04) ? 255 : 0);
939 hmax = t[8];
940 if (edid->revision >= 4)
941 hmax += ((t[4] & 0x08) ? 255 : 0);
942 hsync = drm_mode_hsync(mode);
943
944 return (hsync <= hmax && hsync >= hmin);
945}
946
947static bool
948mode_in_vsync_range(const struct drm_display_mode *mode,
949 struct edid *edid, u8 *t)
950{
951 int vsync, vmin, vmax;
952
953 vmin = t[5];
954 if (edid->revision >= 4)
955 vmin += ((t[4] & 0x01) ? 255 : 0);
956 vmax = t[6];
957 if (edid->revision >= 4)
958 vmax += ((t[4] & 0x02) ? 255 : 0);
959 vsync = drm_mode_vrefresh(mode);
960
961 return (vsync <= vmax && vsync >= vmin);
962}
963
964static u32
965range_pixel_clock(struct edid *edid, u8 *t)
966{
967 /* unspecified */
968 if (t[9] == 0 || t[9] == 255)
969 return 0;
970
971 /* 1.4 with CVT support gives us real precision, yay */
972 if (edid->revision >= 4 && t[10] == 0x04)
973 return (t[9] * 10000) - ((t[12] >> 2) * 250);
974
975 /* 1.3 is pathetic, so fuzz up a bit */
976 return t[9] * 10000 + 5001;
977}
978
979static bool
980mode_in_range(const struct drm_display_mode *mode, struct edid *edid,
981 struct detailed_timing *timing)
982{
983 u32 max_clock;
984 u8 *t = (u8 *)timing;
985
986 if (!mode_in_hsync_range(mode, edid, t))
987 return false;
988
989 if (!mode_in_vsync_range(mode, edid, t))
990 return false;
991
992 if ((max_clock = range_pixel_clock(edid, t)))
993 if (mode->clock > max_clock)
994 return false;
995
996 /* 1.4 max horizontal check */
997 if (edid->revision >= 4 && t[10] == 0x04)
998 if (t[13] && mode->hdisplay > 8 * (t[13] + (256 * (t[12]&0x3))))
999 return false;
1000
1001 if (mode_is_rb(mode) && !drm_monitor_supports_rb(edid))
1002 return false;
1003
1004 return true;
1005}
1006
1007/*
1008 * XXX If drm_dmt_modes ever regrows the CVT-R modes (and it will) this will
1009 * need to account for them.
1010 */
1011static int
1012drm_gtf_modes_for_range(struct drm_connector *connector, struct edid *edid,
1013 struct detailed_timing *timing)
1014{
1015 int i, modes = 0;
1016 struct drm_display_mode *newmode;
1017 struct drm_device *dev = connector->dev;
1018
1019 for (i = 0; i < drm_num_dmt_modes; i++) {
1020 if (mode_in_range(drm_dmt_modes + i, edid, timing)) {
1021 newmode = drm_mode_duplicate(dev, &drm_dmt_modes[i]);
1022 if (newmode) {
1023 drm_mode_probed_add(connector, newmode);
1024 modes++;
1025 }
1026 }
1027 }
1028
1029 return modes;
1030}
1031
1032static void
1033do_inferred_modes(struct detailed_timing *timing, void *c)
1034{
1035 struct detailed_mode_closure *closure = c;
1036 struct detailed_non_pixel *data = &timing->data.other_data;
1037 int gtf = (closure->edid->features & DRM_EDID_FEATURE_DEFAULT_GTF);
1038
1039 if (gtf && data->type == EDID_DETAIL_MONITOR_RANGE)
1040 closure->modes += drm_gtf_modes_for_range(closure->connector,
1041 closure->edid,
1042 timing);
1043}
1044
1045static int
1046add_inferred_modes(struct drm_connector *connector, struct edid *edid)
1047{
1048 struct detailed_mode_closure closure = {
1049 connector, edid, 0, 0, 0
1050 };
1051
1052 if (version_greater(edid, 1, 0))
1053 drm_for_each_detailed_block((u8 *)edid, do_inferred_modes,
1054 &closure);
1055
1056 return closure.modes;
1057}
1058
1059static int
1060drm_est3_modes(struct drm_connector *connector, struct detailed_timing *timing)
1061{
1062 int i, j, m, modes = 0;
1063 struct drm_display_mode *mode;
1064 u8 *est = ((u8 *)timing) + 5;
1065
1066 for (i = 0; i < 6; i++) {
1067 for (j = 7; j > 0; j--) {
1068 m = (i * 8) + (7 - j);
1069 if (m >= ARRAY_SIZE(est3_modes))
1070 break;
1071 if (est[i] & (1 << j)) {
1072 mode = drm_mode_find_dmt(connector->dev,
1073 est3_modes[m].w,
1074 est3_modes[m].h,
1075 est3_modes[m].r
1076 /*, est3_modes[m].rb */);
1077 if (mode) {
1078 drm_mode_probed_add(connector, mode);
1079 modes++;
1080 }
1081 }
1082 }
1083 }
1084
1085 return modes;
1086}
1087
1088static void
1089do_established_modes(struct detailed_timing *timing, void *c)
1090{
1091 struct detailed_mode_closure *closure = c;
1092 struct detailed_non_pixel *data = &timing->data.other_data;
1093
1094 if (data->type == EDID_DETAIL_EST_TIMINGS)
1095 closure->modes += drm_est3_modes(closure->connector, timing);
1096}
1097
1098/**
1099 * add_established_modes - get est. modes from EDID and add them
1100 * @edid: EDID block to scan
1101 *
1102 * Each EDID block contains a bitmap of the supported "established modes" list
1103 * (defined above). Tease them out and add them to the global modes list.
1104 */
1105static int
1106add_established_modes(struct drm_connector *connector, struct edid *edid)
1107{
1108 struct drm_device *dev = connector->dev;
1109 unsigned long est_bits = edid->established_timings.t1 |
1110 (edid->established_timings.t2 << 8) |
1111 ((edid->established_timings.mfg_rsvd & 0x80) << 9);
1112 int i, modes = 0;
1113 struct detailed_mode_closure closure = {
1114 connector, edid, 0, 0, 0
1115 };
1116
1117 for (i = 0; i <= EDID_EST_TIMINGS; i++) {
1118 if (est_bits & (1<<i)) {
1119 struct drm_display_mode *newmode;
1120 newmode = drm_mode_duplicate(dev, &edid_est_modes[i]);
1121 if (newmode) {
1122 drm_mode_probed_add(connector, newmode);
1123 modes++;
1124 }
1125 }
1126 }
1127
1128 if (version_greater(edid, 1, 0))
1129 drm_for_each_detailed_block((u8 *)edid,
1130 do_established_modes, &closure);
1131
1132 return modes + closure.modes;
1133}
1134
1135static void
1136do_standard_modes(struct detailed_timing *timing, void *c)
1137{
1138 struct detailed_mode_closure *closure = c;
1139 struct detailed_non_pixel *data = &timing->data.other_data;
1140 struct drm_connector *connector = closure->connector;
1141 struct edid *edid = closure->edid;
1142
1143 if (data->type == EDID_DETAIL_STD_MODES) {
1144 int i;
1145 for (i = 0; i < 6; i++) {
1146 struct std_timing *std;
1147 struct drm_display_mode *newmode;
1148
1149 std = &data->data.timings[i];
1150 newmode = drm_mode_std(connector, edid, std,
1151 edid->revision);
1152 if (newmode) {
1153 drm_mode_probed_add(connector, newmode);
1154 closure->modes++;
1155 }
1156 }
1157 }
1158}
1159
1160/**
1161 * add_standard_modes - get std. modes from EDID and add them
1162 * @edid: EDID block to scan
1163 *
1164 * Standard modes can be calculated using the appropriate standard (DMT,
1165 * GTF or CVT. Grab them from @edid and add them to the list.
1166 */
1167static int
1168add_standard_modes(struct drm_connector *connector, struct edid *edid)
1169{
1170 int i, modes = 0;
1171 struct detailed_mode_closure closure = {
1172 connector, edid, 0, 0, 0
1173 };
1174
1175 for (i = 0; i < EDID_STD_TIMINGS; i++) {
1176 struct drm_display_mode *newmode;
1177
1178 newmode = drm_mode_std(connector, edid,
1179 &edid->standard_timings[i],
1180 edid->revision);
1181 if (newmode) {
1182 drm_mode_probed_add(connector, newmode);
1183 modes++;
1184 }
1185 }
1186
1187 if (version_greater(edid, 1, 0))
1188 drm_for_each_detailed_block((u8 *)edid, do_standard_modes,
1189 &closure);
1190
1191 /* XXX should also look for standard codes in VTB blocks */
1192
1193 return modes + closure.modes;
1194}
1195
1196static int drm_cvt_modes(struct drm_connector *connector,
1197 struct detailed_timing *timing)
1198{
1199 int i, j, modes = 0;
1200 struct drm_display_mode *newmode;
1201 struct drm_device *dev = connector->dev;
1202 struct cvt_timing *cvt;
1203 const int rates[] = { 60, 85, 75, 60, 50 };
1204 const u8 empty[3] = { 0, 0, 0 };
1205
1206 for (i = 0; i < 4; i++) {
1207 int uninitialized_var(width), height;
1208 cvt = &(timing->data.other_data.data.cvt[i]);
1209
1210 if (!memcmp(cvt->code, empty, 3))
1211 continue;
1212
1213 height = (cvt->code[0] + ((cvt->code[1] & 0xf0) << 4) + 1) * 2;
1214 switch (cvt->code[1] & 0x0c) {
1215 case 0x00:
1216 width = height * 4 / 3;
1217 break;
1218 case 0x04:
1219 width = height * 16 / 9;
1220 break;
1221 case 0x08:
1222 width = height * 16 / 10;
1223 break;
1224 case 0x0c:
1225 width = height * 15 / 9;
1226 break;
1227 }
1228
1229 for (j = 1; j < 5; j++) {
1230 if (cvt->code[2] & (1 << j)) {
1231 newmode = drm_cvt_mode(dev, width, height,
1232 rates[j], j == 0,
1233 false, false);
1234 if (newmode) {
1235 drm_mode_probed_add(connector, newmode);
1236 modes++;
1237 }
1238 }
1239 }
1240 }
1241
1242 return modes;
1243}
1244
1245static void
1246do_cvt_mode(struct detailed_timing *timing, void *c)
1247{
1248 struct detailed_mode_closure *closure = c;
1249 struct detailed_non_pixel *data = &timing->data.other_data;
1250
1251 if (data->type == EDID_DETAIL_CVT_3BYTE)
1252 closure->modes += drm_cvt_modes(closure->connector, timing);
1253}
1254
1255static int
1256add_cvt_modes(struct drm_connector *connector, struct edid *edid)
1257{
1258 struct detailed_mode_closure closure = {
1259 connector, edid, 0, 0, 0
1260 };
1261
1262 if (version_greater(edid, 1, 2))
1263 drm_for_each_detailed_block((u8 *)edid, do_cvt_mode, &closure);
1264
1265 /* XXX should also look for CVT codes in VTB blocks */
1266
1267 return closure.modes;
1268}
1269
1270static void
1271do_detailed_mode(struct detailed_timing *timing, void *c)
1272{
1273 struct detailed_mode_closure *closure = c;
1274 struct drm_display_mode *newmode;
1275
1276 if (timing->pixel_clock) {
1277 newmode = drm_mode_detailed(closure->connector->dev,
1278 closure->edid, timing,
1279 closure->quirks);
1280 if (!newmode)
1281 return;
1282
1283 if (closure->preferred)
1284 newmode->type |= DRM_MODE_TYPE_PREFERRED;
1285
1286 drm_mode_probed_add(closure->connector, newmode);
1287 closure->modes++;
1288 closure->preferred = 0;
1289 }
1290}
1291
1292/*
1293 * add_detailed_modes - Add modes from detailed timings
1294 * @connector: attached connector
1295 * @edid: EDID block to scan
1296 * @quirks: quirks to apply
1297 */
1298static int
1299add_detailed_modes(struct drm_connector *connector, struct edid *edid,
1300 u32 quirks)
1301{
1302 struct detailed_mode_closure closure = {
1303 connector,
1304 edid,
1305 1,
1306 quirks,
1307 0
1308 };
1309
1310 if (closure.preferred && !version_greater(edid, 1, 3))
1311 closure.preferred =
1312 (edid->features & DRM_EDID_FEATURE_PREFERRED_TIMING);
1313
1314 drm_for_each_detailed_block((u8 *)edid, do_detailed_mode, &closure);
1315
1316 return closure.modes;
1317}
1318
1319#define HDMI_IDENTIFIER 0x000C03
1320#define AUDIO_BLOCK 0x01
1321#define VENDOR_BLOCK 0x03
1322#define EDID_BASIC_AUDIO (1 << 6)
1323
1324/**
1325 * Search EDID for CEA extension block.
1326 */
1327u8 *drm_find_cea_extension(struct edid *edid)
1328{
1329 u8 *edid_ext = NULL;
1330 int i;
1331
1332 /* No EDID or EDID extensions */
1333 if (edid == NULL || edid->extensions == 0)
1334 return NULL;
1335
1336 /* Find CEA extension */
1337 for (i = 0; i < edid->extensions; i++) {
1338 edid_ext = (u8 *)edid + EDID_LENGTH * (i + 1);
1339 if (edid_ext[0] == CEA_EXT)
1340 break;
1341 }
1342
1343 if (i == edid->extensions)
1344 return NULL;
1345
1346 return edid_ext;
1347}
1348EXPORT_SYMBOL(drm_find_cea_extension);
1349
1350/**
1351 * drm_detect_hdmi_monitor - detect whether monitor is hdmi.
1352 * @edid: monitor EDID information
1353 *
1354 * Parse the CEA extension according to CEA-861-B.
1355 * Return true if HDMI, false if not or unknown.
1356 */
1357bool drm_detect_hdmi_monitor(struct edid *edid)
1358{
1359 u8 *edid_ext;
1360 int i, hdmi_id;
1361 int start_offset, end_offset;
1362 bool is_hdmi = false;
1363
1364 edid_ext = drm_find_cea_extension(edid);
1365 if (!edid_ext)
1366 goto end;
1367
1368 /* Data block offset in CEA extension block */
1369 start_offset = 4;
1370 end_offset = edid_ext[2];
1371
1372 /*
1373 * Because HDMI identifier is in Vendor Specific Block,
1374 * search it from all data blocks of CEA extension.
1375 */
1376 for (i = start_offset; i < end_offset;
1377 /* Increased by data block len */
1378 i += ((edid_ext[i] & 0x1f) + 1)) {
1379 /* Find vendor specific block */
1380 if ((edid_ext[i] >> 5) == VENDOR_BLOCK) {
1381 hdmi_id = edid_ext[i + 1] | (edid_ext[i + 2] << 8) |
1382 edid_ext[i + 3] << 16;
1383 /* Find HDMI identifier */
1384 if (hdmi_id == HDMI_IDENTIFIER)
1385 is_hdmi = true;
1386 break;
1387 }
1388 }
1389
1390end:
1391 return is_hdmi;
1392}
1393EXPORT_SYMBOL(drm_detect_hdmi_monitor);
1394
1395/**
1396 * drm_detect_monitor_audio - check monitor audio capability
1397 *
1398 * Monitor should have CEA extension block.
1399 * If monitor has 'basic audio', but no CEA audio blocks, it's 'basic
1400 * audio' only. If there is any audio extension block and supported
1401 * audio format, assume at least 'basic audio' support, even if 'basic
1402 * audio' is not defined in EDID.
1403 *
1404 */
1405bool drm_detect_monitor_audio(struct edid *edid)
1406{
1407 u8 *edid_ext;
1408 int i, j;
1409 bool has_audio = false;
1410 int start_offset, end_offset;
1411
1412 edid_ext = drm_find_cea_extension(edid);
1413 if (!edid_ext)
1414 goto end;
1415
1416 has_audio = ((edid_ext[3] & EDID_BASIC_AUDIO) != 0);
1417
1418 if (has_audio) {
1419 DRM_DEBUG_KMS("Monitor has basic audio support\n");
1420 goto end;
1421 }
1422
1423 /* Data block offset in CEA extension block */
1424 start_offset = 4;
1425 end_offset = edid_ext[2];
1426
1427 for (i = start_offset; i < end_offset;
1428 i += ((edid_ext[i] & 0x1f) + 1)) {
1429 if ((edid_ext[i] >> 5) == AUDIO_BLOCK) {
1430 has_audio = true;
1431 for (j = 1; j < (edid_ext[i] & 0x1f); j += 3)
1432 DRM_DEBUG_KMS("CEA audio format %d\n",
1433 (edid_ext[i + j] >> 3) & 0xf);
1434 goto end;
1435 }
1436 }
1437end:
1438 return has_audio;
1439}
1440EXPORT_SYMBOL(drm_detect_monitor_audio);
1441
1442/**
1443 * drm_add_display_info - pull display info out if present
1444 * @edid: EDID data
1445 * @info: display info (attached to connector)
1446 *
1447 * Grab any available display info and stuff it into the drm_display_info
1448 * structure that's part of the connector. Useful for tracking bpp and
1449 * color spaces.
1450 */
1451static void drm_add_display_info(struct edid *edid,
1452 struct drm_display_info *info)
1453{
1454 u8 *edid_ext;
1455
1456 info->width_mm = edid->width_cm * 10;
1457 info->height_mm = edid->height_cm * 10;
1458
1459 /* driver figures it out in this case */
1460 info->bpc = 0;
1461 info->color_formats = 0;
1462
1463 /* Only defined for 1.4 with digital displays */
1464 if (edid->revision < 4)
1465 return;
1466
1467 if (!(edid->input & DRM_EDID_INPUT_DIGITAL))
1468 return;
1469
1470 switch (edid->input & DRM_EDID_DIGITAL_DEPTH_MASK) {
1471 case DRM_EDID_DIGITAL_DEPTH_6:
1472 info->bpc = 6;
1473 break;
1474 case DRM_EDID_DIGITAL_DEPTH_8:
1475 info->bpc = 8;
1476 break;
1477 case DRM_EDID_DIGITAL_DEPTH_10:
1478 info->bpc = 10;
1479 break;
1480 case DRM_EDID_DIGITAL_DEPTH_12:
1481 info->bpc = 12;
1482 break;
1483 case DRM_EDID_DIGITAL_DEPTH_14:
1484 info->bpc = 14;
1485 break;
1486 case DRM_EDID_DIGITAL_DEPTH_16:
1487 info->bpc = 16;
1488 break;
1489 case DRM_EDID_DIGITAL_DEPTH_UNDEF:
1490 default:
1491 info->bpc = 0;
1492 break;
1493 }
1494
1495 info->color_formats = DRM_COLOR_FORMAT_RGB444;
1496 if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB444)
1497 info->color_formats = DRM_COLOR_FORMAT_YCRCB444;
1498 if (info->color_formats & DRM_EDID_FEATURE_RGB_YCRCB422)
1499 info->color_formats = DRM_COLOR_FORMAT_YCRCB422;
1500
1501 /* Get data from CEA blocks if present */
1502 edid_ext = drm_find_cea_extension(edid);
1503 if (!edid_ext)
1504 return;
1505
1506 info->cea_rev = edid_ext[1];
1507}
1508
1509/**
1510 * drm_add_edid_modes - add modes from EDID data, if available
1511 * @connector: connector we're probing
1512 * @edid: edid data
1513 *
1514 * Add the specified modes to the connector's mode list.
1515 *
1516 * Return number of modes added or 0 if we couldn't find any.
1517 */
1518int drm_add_edid_modes(struct drm_connector *connector, struct edid *edid)
1519{
1520 int num_modes = 0;
1521 u32 quirks;
1522
1523 if (edid == NULL) {
1524 return 0;
1525 }
1526 if (!drm_edid_is_valid(edid)) {
1527 dev_warn(connector->dev->dev, "%s: EDID invalid.\n",
1528 drm_get_connector_name(connector));
1529 return 0;
1530 }
1531
1532 quirks = edid_get_quirks(edid);
1533
1534 /*
1535 * EDID spec says modes should be preferred in this order:
1536 * - preferred detailed mode
1537 * - other detailed modes from base block
1538 * - detailed modes from extension blocks
1539 * - CVT 3-byte code modes
1540 * - standard timing codes
1541 * - established timing codes
1542 * - modes inferred from GTF or CVT range information
1543 *
1544 * We get this pretty much right.
1545 *
1546 * XXX order for additional mode types in extension blocks?
1547 */
1548 num_modes += add_detailed_modes(connector, edid, quirks);
1549 num_modes += add_cvt_modes(connector, edid);
1550 num_modes += add_standard_modes(connector, edid);
1551 num_modes += add_established_modes(connector, edid);
1552 num_modes += add_inferred_modes(connector, edid);
1553
1554 if (quirks & (EDID_QUIRK_PREFER_LARGE_60 | EDID_QUIRK_PREFER_LARGE_75))
1555 edid_fixup_preferred(connector, quirks);
1556
1557 drm_add_display_info(edid, &connector->display_info);
1558
1559 return num_modes;
1560}
1561EXPORT_SYMBOL(drm_add_edid_modes);
1562
1563/**
1564 * drm_add_modes_noedid - add modes for the connectors without EDID
1565 * @connector: connector we're probing
1566 * @hdisplay: the horizontal display limit
1567 * @vdisplay: the vertical display limit
1568 *
1569 * Add the specified modes to the connector's mode list. Only when the
1570 * hdisplay/vdisplay is not beyond the given limit, it will be added.
1571 *
1572 * Return number of modes added or 0 if we couldn't find any.
1573 */
1574int drm_add_modes_noedid(struct drm_connector *connector,
1575 int hdisplay, int vdisplay)
1576{
1577 int i, count, num_modes = 0;
1578 struct drm_display_mode *mode;
1579 struct drm_device *dev = connector->dev;
1580
1581 count = sizeof(drm_dmt_modes) / sizeof(struct drm_display_mode);
1582 if (hdisplay < 0)
1583 hdisplay = 0;
1584 if (vdisplay < 0)
1585 vdisplay = 0;
1586
1587 for (i = 0; i < count; i++) {
1588 const struct drm_display_mode *ptr = &drm_dmt_modes[i];
1589 if (hdisplay && vdisplay) {
1590 /*
1591 * Only when two are valid, they will be used to check
1592 * whether the mode should be added to the mode list of
1593 * the connector.
1594 */
1595 if (ptr->hdisplay > hdisplay ||
1596 ptr->vdisplay > vdisplay)
1597 continue;
1598 }
1599 if (drm_mode_vrefresh(ptr) > 61)
1600 continue;
1601 mode = drm_mode_duplicate(dev, ptr);
1602 if (mode) {
1603 drm_mode_probed_add(connector, mode);
1604 num_modes++;
1605 }
1606 }
1607 return num_modes;
1608}
1609EXPORT_SYMBOL(drm_add_modes_noedid);