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1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23#include <drm/drmP.h>
24#include "amdgpu.h"
25#include "amdgpu_pm.h"
26#include "amdgpu_i2c.h"
27#include "cikd.h"
28#include "atom.h"
29#include "amdgpu_atombios.h"
30#include "atombios_crtc.h"
31#include "atombios_encoders.h"
32#include "amdgpu_pll.h"
33#include "amdgpu_connectors.h"
34#include "dce_v8_0.h"
35
36#include "dce/dce_8_0_d.h"
37#include "dce/dce_8_0_sh_mask.h"
38
39#include "gca/gfx_7_2_enum.h"
40
41#include "gmc/gmc_7_1_d.h"
42#include "gmc/gmc_7_1_sh_mask.h"
43
44#include "oss/oss_2_0_d.h"
45#include "oss/oss_2_0_sh_mask.h"
46
47static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev);
48static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev);
49
50static const u32 crtc_offsets[6] =
51{
52 CRTC0_REGISTER_OFFSET,
53 CRTC1_REGISTER_OFFSET,
54 CRTC2_REGISTER_OFFSET,
55 CRTC3_REGISTER_OFFSET,
56 CRTC4_REGISTER_OFFSET,
57 CRTC5_REGISTER_OFFSET
58};
59
60static const u32 hpd_offsets[] =
61{
62 HPD0_REGISTER_OFFSET,
63 HPD1_REGISTER_OFFSET,
64 HPD2_REGISTER_OFFSET,
65 HPD3_REGISTER_OFFSET,
66 HPD4_REGISTER_OFFSET,
67 HPD5_REGISTER_OFFSET
68};
69
70static const uint32_t dig_offsets[] = {
71 CRTC0_REGISTER_OFFSET,
72 CRTC1_REGISTER_OFFSET,
73 CRTC2_REGISTER_OFFSET,
74 CRTC3_REGISTER_OFFSET,
75 CRTC4_REGISTER_OFFSET,
76 CRTC5_REGISTER_OFFSET,
77 (0x13830 - 0x7030) >> 2,
78};
79
80static const struct {
81 uint32_t reg;
82 uint32_t vblank;
83 uint32_t vline;
84 uint32_t hpd;
85
86} interrupt_status_offsets[6] = { {
87 .reg = mmDISP_INTERRUPT_STATUS,
88 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
89 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
90 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
91}, {
92 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
93 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
94 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
95 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
96}, {
97 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
98 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
101}, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
106}, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
111}, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
116} };
117
118static u32 dce_v8_0_audio_endpt_rreg(struct amdgpu_device *adev,
119 u32 block_offset, u32 reg)
120{
121 unsigned long flags;
122 u32 r;
123
124 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
125 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
126 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
127 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
128
129 return r;
130}
131
132static void dce_v8_0_audio_endpt_wreg(struct amdgpu_device *adev,
133 u32 block_offset, u32 reg, u32 v)
134{
135 unsigned long flags;
136
137 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
138 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
139 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
140 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
141}
142
143static u32 dce_v8_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
144{
145 if (crtc >= adev->mode_info.num_crtc)
146 return 0;
147 else
148 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
149}
150
151static void dce_v8_0_pageflip_interrupt_init(struct amdgpu_device *adev)
152{
153 unsigned i;
154
155 /* Enable pflip interrupts */
156 for (i = 0; i < adev->mode_info.num_crtc; i++)
157 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
158}
159
160static void dce_v8_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
161{
162 unsigned i;
163
164 /* Disable pflip interrupts */
165 for (i = 0; i < adev->mode_info.num_crtc; i++)
166 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
167}
168
169/**
170 * dce_v8_0_page_flip - pageflip callback.
171 *
172 * @adev: amdgpu_device pointer
173 * @crtc_id: crtc to cleanup pageflip on
174 * @crtc_base: new address of the crtc (GPU MC address)
175 *
176 * Triggers the actual pageflip by updating the primary
177 * surface base address.
178 */
179static void dce_v8_0_page_flip(struct amdgpu_device *adev,
180 int crtc_id, u64 crtc_base, bool async)
181{
182 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
183
184 /* flip at hsync for async, default is vsync */
185 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
186 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
187 /* update the primary scanout addresses */
188 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
189 upper_32_bits(crtc_base));
190 /* writing to the low address triggers the update */
191 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
192 lower_32_bits(crtc_base));
193 /* post the write */
194 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
195}
196
197static int dce_v8_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
198 u32 *vbl, u32 *position)
199{
200 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
201 return -EINVAL;
202
203 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
204 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
205
206 return 0;
207}
208
209/**
210 * dce_v8_0_hpd_sense - hpd sense callback.
211 *
212 * @adev: amdgpu_device pointer
213 * @hpd: hpd (hotplug detect) pin
214 *
215 * Checks if a digital monitor is connected (evergreen+).
216 * Returns true if connected, false if not connected.
217 */
218static bool dce_v8_0_hpd_sense(struct amdgpu_device *adev,
219 enum amdgpu_hpd_id hpd)
220{
221 bool connected = false;
222
223 if (hpd >= adev->mode_info.num_hpd)
224 return connected;
225
226 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) &
227 DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
228 connected = true;
229
230 return connected;
231}
232
233/**
234 * dce_v8_0_hpd_set_polarity - hpd set polarity callback.
235 *
236 * @adev: amdgpu_device pointer
237 * @hpd: hpd (hotplug detect) pin
238 *
239 * Set the polarity of the hpd pin (evergreen+).
240 */
241static void dce_v8_0_hpd_set_polarity(struct amdgpu_device *adev,
242 enum amdgpu_hpd_id hpd)
243{
244 u32 tmp;
245 bool connected = dce_v8_0_hpd_sense(adev, hpd);
246
247 if (hpd >= adev->mode_info.num_hpd)
248 return;
249
250 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
251 if (connected)
252 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
253 else
254 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
255 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
256}
257
258/**
259 * dce_v8_0_hpd_init - hpd setup callback.
260 *
261 * @adev: amdgpu_device pointer
262 *
263 * Setup the hpd pins used by the card (evergreen+).
264 * Enable the pin, set the polarity, and enable the hpd interrupts.
265 */
266static void dce_v8_0_hpd_init(struct amdgpu_device *adev)
267{
268 struct drm_device *dev = adev->ddev;
269 struct drm_connector *connector;
270 u32 tmp;
271
272 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
273 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
274
275 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
276 continue;
277
278 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
279 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
280 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
281
282 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
283 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
284 /* don't try to enable hpd on eDP or LVDS avoid breaking the
285 * aux dp channel on imac and help (but not completely fix)
286 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
287 * also avoid interrupt storms during dpms.
288 */
289 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
290 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
291 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
292 continue;
293 }
294
295 dce_v8_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
296 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
297 }
298}
299
300/**
301 * dce_v8_0_hpd_fini - hpd tear down callback.
302 *
303 * @adev: amdgpu_device pointer
304 *
305 * Tear down the hpd pins used by the card (evergreen+).
306 * Disable the hpd interrupts.
307 */
308static void dce_v8_0_hpd_fini(struct amdgpu_device *adev)
309{
310 struct drm_device *dev = adev->ddev;
311 struct drm_connector *connector;
312 u32 tmp;
313
314 list_for_each_entry(connector, &dev->mode_config.connector_list, head) {
315 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
316
317 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
318 continue;
319
320 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
321 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
322 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], 0);
323
324 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
325 }
326}
327
328static u32 dce_v8_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
329{
330 return mmDC_GPIO_HPD_A;
331}
332
333static bool dce_v8_0_is_display_hung(struct amdgpu_device *adev)
334{
335 u32 crtc_hung = 0;
336 u32 crtc_status[6];
337 u32 i, j, tmp;
338
339 for (i = 0; i < adev->mode_info.num_crtc; i++) {
340 if (RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK) {
341 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
342 crtc_hung |= (1 << i);
343 }
344 }
345
346 for (j = 0; j < 10; j++) {
347 for (i = 0; i < adev->mode_info.num_crtc; i++) {
348 if (crtc_hung & (1 << i)) {
349 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
350 if (tmp != crtc_status[i])
351 crtc_hung &= ~(1 << i);
352 }
353 }
354 if (crtc_hung == 0)
355 return false;
356 udelay(100);
357 }
358
359 return true;
360}
361
362static void dce_v8_0_set_vga_render_state(struct amdgpu_device *adev,
363 bool render)
364{
365 u32 tmp;
366
367 /* Lockout access through VGA aperture*/
368 tmp = RREG32(mmVGA_HDP_CONTROL);
369 if (render)
370 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
371 else
372 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
373 WREG32(mmVGA_HDP_CONTROL, tmp);
374
375 /* disable VGA render */
376 tmp = RREG32(mmVGA_RENDER_CONTROL);
377 if (render)
378 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
379 else
380 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
381 WREG32(mmVGA_RENDER_CONTROL, tmp);
382}
383
384static int dce_v8_0_get_num_crtc(struct amdgpu_device *adev)
385{
386 int num_crtc = 0;
387
388 switch (adev->asic_type) {
389 case CHIP_BONAIRE:
390 case CHIP_HAWAII:
391 num_crtc = 6;
392 break;
393 case CHIP_KAVERI:
394 num_crtc = 4;
395 break;
396 case CHIP_KABINI:
397 case CHIP_MULLINS:
398 num_crtc = 2;
399 break;
400 default:
401 num_crtc = 0;
402 }
403 return num_crtc;
404}
405
406void dce_v8_0_disable_dce(struct amdgpu_device *adev)
407{
408 /*Disable VGA render and enabled crtc, if has DCE engine*/
409 if (amdgpu_atombios_has_dce_engine_info(adev)) {
410 u32 tmp;
411 int crtc_enabled, i;
412
413 dce_v8_0_set_vga_render_state(adev, false);
414
415 /*Disable crtc*/
416 for (i = 0; i < dce_v8_0_get_num_crtc(adev); i++) {
417 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
418 CRTC_CONTROL, CRTC_MASTER_EN);
419 if (crtc_enabled) {
420 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
421 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
422 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
423 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
424 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
425 }
426 }
427 }
428}
429
430static void dce_v8_0_program_fmt(struct drm_encoder *encoder)
431{
432 struct drm_device *dev = encoder->dev;
433 struct amdgpu_device *adev = dev->dev_private;
434 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
435 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
436 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
437 int bpc = 0;
438 u32 tmp = 0;
439 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
440
441 if (connector) {
442 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
443 bpc = amdgpu_connector_get_monitor_bpc(connector);
444 dither = amdgpu_connector->dither;
445 }
446
447 /* LVDS/eDP FMT is set up by atom */
448 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
449 return;
450
451 /* not needed for analog */
452 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
453 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
454 return;
455
456 if (bpc == 0)
457 return;
458
459 switch (bpc) {
460 case 6:
461 if (dither == AMDGPU_FMT_DITHER_ENABLE)
462 /* XXX sort out optimal dither settings */
463 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
464 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
465 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
466 (0 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
467 else
468 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
469 (0 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
470 break;
471 case 8:
472 if (dither == AMDGPU_FMT_DITHER_ENABLE)
473 /* XXX sort out optimal dither settings */
474 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
475 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
476 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
477 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
478 (1 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
479 else
480 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
481 (1 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
482 break;
483 case 10:
484 if (dither == AMDGPU_FMT_DITHER_ENABLE)
485 /* XXX sort out optimal dither settings */
486 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
487 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
488 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
489 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
490 (2 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
491 else
492 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
493 (2 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
494 break;
495 default:
496 /* not needed */
497 break;
498 }
499
500 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
501}
502
503
504/* display watermark setup */
505/**
506 * dce_v8_0_line_buffer_adjust - Set up the line buffer
507 *
508 * @adev: amdgpu_device pointer
509 * @amdgpu_crtc: the selected display controller
510 * @mode: the current display mode on the selected display
511 * controller
512 *
513 * Setup up the line buffer allocation for
514 * the selected display controller (CIK).
515 * Returns the line buffer size in pixels.
516 */
517static u32 dce_v8_0_line_buffer_adjust(struct amdgpu_device *adev,
518 struct amdgpu_crtc *amdgpu_crtc,
519 struct drm_display_mode *mode)
520{
521 u32 tmp, buffer_alloc, i;
522 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
523 /*
524 * Line Buffer Setup
525 * There are 6 line buffers, one for each display controllers.
526 * There are 3 partitions per LB. Select the number of partitions
527 * to enable based on the display width. For display widths larger
528 * than 4096, you need use to use 2 display controllers and combine
529 * them using the stereo blender.
530 */
531 if (amdgpu_crtc->base.enabled && mode) {
532 if (mode->crtc_hdisplay < 1920) {
533 tmp = 1;
534 buffer_alloc = 2;
535 } else if (mode->crtc_hdisplay < 2560) {
536 tmp = 2;
537 buffer_alloc = 2;
538 } else if (mode->crtc_hdisplay < 4096) {
539 tmp = 0;
540 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
541 } else {
542 DRM_DEBUG_KMS("Mode too big for LB!\n");
543 tmp = 0;
544 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
545 }
546 } else {
547 tmp = 1;
548 buffer_alloc = 0;
549 }
550
551 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset,
552 (tmp << LB_MEMORY_CTRL__LB_MEMORY_CONFIG__SHIFT) |
553 (0x6B0 << LB_MEMORY_CTRL__LB_MEMORY_SIZE__SHIFT));
554
555 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
556 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
557 for (i = 0; i < adev->usec_timeout; i++) {
558 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
559 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
560 break;
561 udelay(1);
562 }
563
564 if (amdgpu_crtc->base.enabled && mode) {
565 switch (tmp) {
566 case 0:
567 default:
568 return 4096 * 2;
569 case 1:
570 return 1920 * 2;
571 case 2:
572 return 2560 * 2;
573 }
574 }
575
576 /* controller not enabled, so no lb used */
577 return 0;
578}
579
580/**
581 * cik_get_number_of_dram_channels - get the number of dram channels
582 *
583 * @adev: amdgpu_device pointer
584 *
585 * Look up the number of video ram channels (CIK).
586 * Used for display watermark bandwidth calculations
587 * Returns the number of dram channels
588 */
589static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
590{
591 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
592
593 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
594 case 0:
595 default:
596 return 1;
597 case 1:
598 return 2;
599 case 2:
600 return 4;
601 case 3:
602 return 8;
603 case 4:
604 return 3;
605 case 5:
606 return 6;
607 case 6:
608 return 10;
609 case 7:
610 return 12;
611 case 8:
612 return 16;
613 }
614}
615
616struct dce8_wm_params {
617 u32 dram_channels; /* number of dram channels */
618 u32 yclk; /* bandwidth per dram data pin in kHz */
619 u32 sclk; /* engine clock in kHz */
620 u32 disp_clk; /* display clock in kHz */
621 u32 src_width; /* viewport width */
622 u32 active_time; /* active display time in ns */
623 u32 blank_time; /* blank time in ns */
624 bool interlaced; /* mode is interlaced */
625 fixed20_12 vsc; /* vertical scale ratio */
626 u32 num_heads; /* number of active crtcs */
627 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
628 u32 lb_size; /* line buffer allocated to pipe */
629 u32 vtaps; /* vertical scaler taps */
630};
631
632/**
633 * dce_v8_0_dram_bandwidth - get the dram bandwidth
634 *
635 * @wm: watermark calculation data
636 *
637 * Calculate the raw dram bandwidth (CIK).
638 * Used for display watermark bandwidth calculations
639 * Returns the dram bandwidth in MBytes/s
640 */
641static u32 dce_v8_0_dram_bandwidth(struct dce8_wm_params *wm)
642{
643 /* Calculate raw DRAM Bandwidth */
644 fixed20_12 dram_efficiency; /* 0.7 */
645 fixed20_12 yclk, dram_channels, bandwidth;
646 fixed20_12 a;
647
648 a.full = dfixed_const(1000);
649 yclk.full = dfixed_const(wm->yclk);
650 yclk.full = dfixed_div(yclk, a);
651 dram_channels.full = dfixed_const(wm->dram_channels * 4);
652 a.full = dfixed_const(10);
653 dram_efficiency.full = dfixed_const(7);
654 dram_efficiency.full = dfixed_div(dram_efficiency, a);
655 bandwidth.full = dfixed_mul(dram_channels, yclk);
656 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
657
658 return dfixed_trunc(bandwidth);
659}
660
661/**
662 * dce_v8_0_dram_bandwidth_for_display - get the dram bandwidth for display
663 *
664 * @wm: watermark calculation data
665 *
666 * Calculate the dram bandwidth used for display (CIK).
667 * Used for display watermark bandwidth calculations
668 * Returns the dram bandwidth for display in MBytes/s
669 */
670static u32 dce_v8_0_dram_bandwidth_for_display(struct dce8_wm_params *wm)
671{
672 /* Calculate DRAM Bandwidth and the part allocated to display. */
673 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
674 fixed20_12 yclk, dram_channels, bandwidth;
675 fixed20_12 a;
676
677 a.full = dfixed_const(1000);
678 yclk.full = dfixed_const(wm->yclk);
679 yclk.full = dfixed_div(yclk, a);
680 dram_channels.full = dfixed_const(wm->dram_channels * 4);
681 a.full = dfixed_const(10);
682 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
683 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
684 bandwidth.full = dfixed_mul(dram_channels, yclk);
685 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
686
687 return dfixed_trunc(bandwidth);
688}
689
690/**
691 * dce_v8_0_data_return_bandwidth - get the data return bandwidth
692 *
693 * @wm: watermark calculation data
694 *
695 * Calculate the data return bandwidth used for display (CIK).
696 * Used for display watermark bandwidth calculations
697 * Returns the data return bandwidth in MBytes/s
698 */
699static u32 dce_v8_0_data_return_bandwidth(struct dce8_wm_params *wm)
700{
701 /* Calculate the display Data return Bandwidth */
702 fixed20_12 return_efficiency; /* 0.8 */
703 fixed20_12 sclk, bandwidth;
704 fixed20_12 a;
705
706 a.full = dfixed_const(1000);
707 sclk.full = dfixed_const(wm->sclk);
708 sclk.full = dfixed_div(sclk, a);
709 a.full = dfixed_const(10);
710 return_efficiency.full = dfixed_const(8);
711 return_efficiency.full = dfixed_div(return_efficiency, a);
712 a.full = dfixed_const(32);
713 bandwidth.full = dfixed_mul(a, sclk);
714 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
715
716 return dfixed_trunc(bandwidth);
717}
718
719/**
720 * dce_v8_0_dmif_request_bandwidth - get the dmif bandwidth
721 *
722 * @wm: watermark calculation data
723 *
724 * Calculate the dmif bandwidth used for display (CIK).
725 * Used for display watermark bandwidth calculations
726 * Returns the dmif bandwidth in MBytes/s
727 */
728static u32 dce_v8_0_dmif_request_bandwidth(struct dce8_wm_params *wm)
729{
730 /* Calculate the DMIF Request Bandwidth */
731 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
732 fixed20_12 disp_clk, bandwidth;
733 fixed20_12 a, b;
734
735 a.full = dfixed_const(1000);
736 disp_clk.full = dfixed_const(wm->disp_clk);
737 disp_clk.full = dfixed_div(disp_clk, a);
738 a.full = dfixed_const(32);
739 b.full = dfixed_mul(a, disp_clk);
740
741 a.full = dfixed_const(10);
742 disp_clk_request_efficiency.full = dfixed_const(8);
743 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
744
745 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
746
747 return dfixed_trunc(bandwidth);
748}
749
750/**
751 * dce_v8_0_available_bandwidth - get the min available bandwidth
752 *
753 * @wm: watermark calculation data
754 *
755 * Calculate the min available bandwidth used for display (CIK).
756 * Used for display watermark bandwidth calculations
757 * Returns the min available bandwidth in MBytes/s
758 */
759static u32 dce_v8_0_available_bandwidth(struct dce8_wm_params *wm)
760{
761 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
762 u32 dram_bandwidth = dce_v8_0_dram_bandwidth(wm);
763 u32 data_return_bandwidth = dce_v8_0_data_return_bandwidth(wm);
764 u32 dmif_req_bandwidth = dce_v8_0_dmif_request_bandwidth(wm);
765
766 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
767}
768
769/**
770 * dce_v8_0_average_bandwidth - get the average available bandwidth
771 *
772 * @wm: watermark calculation data
773 *
774 * Calculate the average available bandwidth used for display (CIK).
775 * Used for display watermark bandwidth calculations
776 * Returns the average available bandwidth in MBytes/s
777 */
778static u32 dce_v8_0_average_bandwidth(struct dce8_wm_params *wm)
779{
780 /* Calculate the display mode Average Bandwidth
781 * DisplayMode should contain the source and destination dimensions,
782 * timing, etc.
783 */
784 fixed20_12 bpp;
785 fixed20_12 line_time;
786 fixed20_12 src_width;
787 fixed20_12 bandwidth;
788 fixed20_12 a;
789
790 a.full = dfixed_const(1000);
791 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
792 line_time.full = dfixed_div(line_time, a);
793 bpp.full = dfixed_const(wm->bytes_per_pixel);
794 src_width.full = dfixed_const(wm->src_width);
795 bandwidth.full = dfixed_mul(src_width, bpp);
796 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
797 bandwidth.full = dfixed_div(bandwidth, line_time);
798
799 return dfixed_trunc(bandwidth);
800}
801
802/**
803 * dce_v8_0_latency_watermark - get the latency watermark
804 *
805 * @wm: watermark calculation data
806 *
807 * Calculate the latency watermark (CIK).
808 * Used for display watermark bandwidth calculations
809 * Returns the latency watermark in ns
810 */
811static u32 dce_v8_0_latency_watermark(struct dce8_wm_params *wm)
812{
813 /* First calculate the latency in ns */
814 u32 mc_latency = 2000; /* 2000 ns. */
815 u32 available_bandwidth = dce_v8_0_available_bandwidth(wm);
816 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
817 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
818 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
819 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
820 (wm->num_heads * cursor_line_pair_return_time);
821 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
822 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
823 u32 tmp, dmif_size = 12288;
824 fixed20_12 a, b, c;
825
826 if (wm->num_heads == 0)
827 return 0;
828
829 a.full = dfixed_const(2);
830 b.full = dfixed_const(1);
831 if ((wm->vsc.full > a.full) ||
832 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
833 (wm->vtaps >= 5) ||
834 ((wm->vsc.full >= a.full) && wm->interlaced))
835 max_src_lines_per_dst_line = 4;
836 else
837 max_src_lines_per_dst_line = 2;
838
839 a.full = dfixed_const(available_bandwidth);
840 b.full = dfixed_const(wm->num_heads);
841 a.full = dfixed_div(a, b);
842 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
843 tmp = min(dfixed_trunc(a), tmp);
844
845 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
846
847 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
848 b.full = dfixed_const(1000);
849 c.full = dfixed_const(lb_fill_bw);
850 b.full = dfixed_div(c, b);
851 a.full = dfixed_div(a, b);
852 line_fill_time = dfixed_trunc(a);
853
854 if (line_fill_time < wm->active_time)
855 return latency;
856 else
857 return latency + (line_fill_time - wm->active_time);
858
859}
860
861/**
862 * dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display - check
863 * average and available dram bandwidth
864 *
865 * @wm: watermark calculation data
866 *
867 * Check if the display average bandwidth fits in the display
868 * dram bandwidth (CIK).
869 * Used for display watermark bandwidth calculations
870 * Returns true if the display fits, false if not.
871 */
872static bool dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce8_wm_params *wm)
873{
874 if (dce_v8_0_average_bandwidth(wm) <=
875 (dce_v8_0_dram_bandwidth_for_display(wm) / wm->num_heads))
876 return true;
877 else
878 return false;
879}
880
881/**
882 * dce_v8_0_average_bandwidth_vs_available_bandwidth - check
883 * average and available bandwidth
884 *
885 * @wm: watermark calculation data
886 *
887 * Check if the display average bandwidth fits in the display
888 * available bandwidth (CIK).
889 * Used for display watermark bandwidth calculations
890 * Returns true if the display fits, false if not.
891 */
892static bool dce_v8_0_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm)
893{
894 if (dce_v8_0_average_bandwidth(wm) <=
895 (dce_v8_0_available_bandwidth(wm) / wm->num_heads))
896 return true;
897 else
898 return false;
899}
900
901/**
902 * dce_v8_0_check_latency_hiding - check latency hiding
903 *
904 * @wm: watermark calculation data
905 *
906 * Check latency hiding (CIK).
907 * Used for display watermark bandwidth calculations
908 * Returns true if the display fits, false if not.
909 */
910static bool dce_v8_0_check_latency_hiding(struct dce8_wm_params *wm)
911{
912 u32 lb_partitions = wm->lb_size / wm->src_width;
913 u32 line_time = wm->active_time + wm->blank_time;
914 u32 latency_tolerant_lines;
915 u32 latency_hiding;
916 fixed20_12 a;
917
918 a.full = dfixed_const(1);
919 if (wm->vsc.full > a.full)
920 latency_tolerant_lines = 1;
921 else {
922 if (lb_partitions <= (wm->vtaps + 1))
923 latency_tolerant_lines = 1;
924 else
925 latency_tolerant_lines = 2;
926 }
927
928 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
929
930 if (dce_v8_0_latency_watermark(wm) <= latency_hiding)
931 return true;
932 else
933 return false;
934}
935
936/**
937 * dce_v8_0_program_watermarks - program display watermarks
938 *
939 * @adev: amdgpu_device pointer
940 * @amdgpu_crtc: the selected display controller
941 * @lb_size: line buffer size
942 * @num_heads: number of display controllers in use
943 *
944 * Calculate and program the display watermarks for the
945 * selected display controller (CIK).
946 */
947static void dce_v8_0_program_watermarks(struct amdgpu_device *adev,
948 struct amdgpu_crtc *amdgpu_crtc,
949 u32 lb_size, u32 num_heads)
950{
951 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
952 struct dce8_wm_params wm_low, wm_high;
953 u32 active_time;
954 u32 line_time = 0;
955 u32 latency_watermark_a = 0, latency_watermark_b = 0;
956 u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
957
958 if (amdgpu_crtc->base.enabled && num_heads && mode) {
959 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
960 (u32)mode->clock);
961 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
962 (u32)mode->clock);
963 line_time = min(line_time, (u32)65535);
964
965 /* watermark for high clocks */
966 if (adev->pm.dpm_enabled) {
967 wm_high.yclk =
968 amdgpu_dpm_get_mclk(adev, false) * 10;
969 wm_high.sclk =
970 amdgpu_dpm_get_sclk(adev, false) * 10;
971 } else {
972 wm_high.yclk = adev->pm.current_mclk * 10;
973 wm_high.sclk = adev->pm.current_sclk * 10;
974 }
975
976 wm_high.disp_clk = mode->clock;
977 wm_high.src_width = mode->crtc_hdisplay;
978 wm_high.active_time = active_time;
979 wm_high.blank_time = line_time - wm_high.active_time;
980 wm_high.interlaced = false;
981 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
982 wm_high.interlaced = true;
983 wm_high.vsc = amdgpu_crtc->vsc;
984 wm_high.vtaps = 1;
985 if (amdgpu_crtc->rmx_type != RMX_OFF)
986 wm_high.vtaps = 2;
987 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
988 wm_high.lb_size = lb_size;
989 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
990 wm_high.num_heads = num_heads;
991
992 /* set for high clocks */
993 latency_watermark_a = min(dce_v8_0_latency_watermark(&wm_high), (u32)65535);
994
995 /* possibly force display priority to high */
996 /* should really do this at mode validation time... */
997 if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
998 !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
999 !dce_v8_0_check_latency_hiding(&wm_high) ||
1000 (adev->mode_info.disp_priority == 2)) {
1001 DRM_DEBUG_KMS("force priority to high\n");
1002 }
1003
1004 /* watermark for low clocks */
1005 if (adev->pm.dpm_enabled) {
1006 wm_low.yclk =
1007 amdgpu_dpm_get_mclk(adev, true) * 10;
1008 wm_low.sclk =
1009 amdgpu_dpm_get_sclk(adev, true) * 10;
1010 } else {
1011 wm_low.yclk = adev->pm.current_mclk * 10;
1012 wm_low.sclk = adev->pm.current_sclk * 10;
1013 }
1014
1015 wm_low.disp_clk = mode->clock;
1016 wm_low.src_width = mode->crtc_hdisplay;
1017 wm_low.active_time = active_time;
1018 wm_low.blank_time = line_time - wm_low.active_time;
1019 wm_low.interlaced = false;
1020 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1021 wm_low.interlaced = true;
1022 wm_low.vsc = amdgpu_crtc->vsc;
1023 wm_low.vtaps = 1;
1024 if (amdgpu_crtc->rmx_type != RMX_OFF)
1025 wm_low.vtaps = 2;
1026 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1027 wm_low.lb_size = lb_size;
1028 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1029 wm_low.num_heads = num_heads;
1030
1031 /* set for low clocks */
1032 latency_watermark_b = min(dce_v8_0_latency_watermark(&wm_low), (u32)65535);
1033
1034 /* possibly force display priority to high */
1035 /* should really do this at mode validation time... */
1036 if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1037 !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1038 !dce_v8_0_check_latency_hiding(&wm_low) ||
1039 (adev->mode_info.disp_priority == 2)) {
1040 DRM_DEBUG_KMS("force priority to high\n");
1041 }
1042 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1043 }
1044
1045 /* select wm A */
1046 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1047 tmp = wm_mask;
1048 tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1049 tmp |= (1 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1050 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1051 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1052 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1053 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1054 /* select wm B */
1055 tmp = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1056 tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1057 tmp |= (2 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1058 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1059 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1060 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1061 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1062 /* restore original selection */
1063 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1064
1065 /* save values for DPM */
1066 amdgpu_crtc->line_time = line_time;
1067 amdgpu_crtc->wm_high = latency_watermark_a;
1068 amdgpu_crtc->wm_low = latency_watermark_b;
1069 /* Save number of lines the linebuffer leads before the scanout */
1070 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1071}
1072
1073/**
1074 * dce_v8_0_bandwidth_update - program display watermarks
1075 *
1076 * @adev: amdgpu_device pointer
1077 *
1078 * Calculate and program the display watermarks and line
1079 * buffer allocation (CIK).
1080 */
1081static void dce_v8_0_bandwidth_update(struct amdgpu_device *adev)
1082{
1083 struct drm_display_mode *mode = NULL;
1084 u32 num_heads = 0, lb_size;
1085 int i;
1086
1087 amdgpu_display_update_priority(adev);
1088
1089 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1090 if (adev->mode_info.crtcs[i]->base.enabled)
1091 num_heads++;
1092 }
1093 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1094 mode = &adev->mode_info.crtcs[i]->base.mode;
1095 lb_size = dce_v8_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1096 dce_v8_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1097 lb_size, num_heads);
1098 }
1099}
1100
1101static void dce_v8_0_audio_get_connected_pins(struct amdgpu_device *adev)
1102{
1103 int i;
1104 u32 offset, tmp;
1105
1106 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1107 offset = adev->mode_info.audio.pin[i].offset;
1108 tmp = RREG32_AUDIO_ENDPT(offset,
1109 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1110 if (((tmp &
1111 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1112 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1113 adev->mode_info.audio.pin[i].connected = false;
1114 else
1115 adev->mode_info.audio.pin[i].connected = true;
1116 }
1117}
1118
1119static struct amdgpu_audio_pin *dce_v8_0_audio_get_pin(struct amdgpu_device *adev)
1120{
1121 int i;
1122
1123 dce_v8_0_audio_get_connected_pins(adev);
1124
1125 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1126 if (adev->mode_info.audio.pin[i].connected)
1127 return &adev->mode_info.audio.pin[i];
1128 }
1129 DRM_ERROR("No connected audio pins found!\n");
1130 return NULL;
1131}
1132
1133static void dce_v8_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1134{
1135 struct amdgpu_device *adev = encoder->dev->dev_private;
1136 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1137 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1138 u32 offset;
1139
1140 if (!dig || !dig->afmt || !dig->afmt->pin)
1141 return;
1142
1143 offset = dig->afmt->offset;
1144
1145 WREG32(mmAFMT_AUDIO_SRC_CONTROL + offset,
1146 (dig->afmt->pin->id << AFMT_AUDIO_SRC_CONTROL__AFMT_AUDIO_SRC_SELECT__SHIFT));
1147}
1148
1149static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder,
1150 struct drm_display_mode *mode)
1151{
1152 struct amdgpu_device *adev = encoder->dev->dev_private;
1153 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1154 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1155 struct drm_connector *connector;
1156 struct amdgpu_connector *amdgpu_connector = NULL;
1157 u32 tmp = 0, offset;
1158
1159 if (!dig || !dig->afmt || !dig->afmt->pin)
1160 return;
1161
1162 offset = dig->afmt->pin->offset;
1163
1164 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1165 if (connector->encoder == encoder) {
1166 amdgpu_connector = to_amdgpu_connector(connector);
1167 break;
1168 }
1169 }
1170
1171 if (!amdgpu_connector) {
1172 DRM_ERROR("Couldn't find encoder's connector\n");
1173 return;
1174 }
1175
1176 if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1177 if (connector->latency_present[1])
1178 tmp =
1179 (connector->video_latency[1] <<
1180 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1181 (connector->audio_latency[1] <<
1182 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1183 else
1184 tmp =
1185 (0 <<
1186 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1187 (0 <<
1188 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1189 } else {
1190 if (connector->latency_present[0])
1191 tmp =
1192 (connector->video_latency[0] <<
1193 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1194 (connector->audio_latency[0] <<
1195 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1196 else
1197 tmp =
1198 (0 <<
1199 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1200 (0 <<
1201 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1202
1203 }
1204 WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1205}
1206
1207static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1208{
1209 struct amdgpu_device *adev = encoder->dev->dev_private;
1210 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1211 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1212 struct drm_connector *connector;
1213 struct amdgpu_connector *amdgpu_connector = NULL;
1214 u32 offset, tmp;
1215 u8 *sadb = NULL;
1216 int sad_count;
1217
1218 if (!dig || !dig->afmt || !dig->afmt->pin)
1219 return;
1220
1221 offset = dig->afmt->pin->offset;
1222
1223 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1224 if (connector->encoder == encoder) {
1225 amdgpu_connector = to_amdgpu_connector(connector);
1226 break;
1227 }
1228 }
1229
1230 if (!amdgpu_connector) {
1231 DRM_ERROR("Couldn't find encoder's connector\n");
1232 return;
1233 }
1234
1235 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector_edid(connector), &sadb);
1236 if (sad_count < 0) {
1237 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1238 sad_count = 0;
1239 }
1240
1241 /* program the speaker allocation */
1242 tmp = RREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1243 tmp &= ~(AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__DP_CONNECTION_MASK |
1244 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION_MASK);
1245 /* set HDMI mode */
1246 tmp |= AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__HDMI_CONNECTION_MASK;
1247 if (sad_count)
1248 tmp |= (sadb[0] << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT);
1249 else
1250 tmp |= (5 << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT); /* stereo */
1251 WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1252
1253 kfree(sadb);
1254}
1255
1256static void dce_v8_0_audio_write_sad_regs(struct drm_encoder *encoder)
1257{
1258 struct amdgpu_device *adev = encoder->dev->dev_private;
1259 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1260 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1261 u32 offset;
1262 struct drm_connector *connector;
1263 struct amdgpu_connector *amdgpu_connector = NULL;
1264 struct cea_sad *sads;
1265 int i, sad_count;
1266
1267 static const u16 eld_reg_to_type[][2] = {
1268 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1269 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1270 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1271 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1272 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1273 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1274 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1275 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1276 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1277 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1278 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1279 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1280 };
1281
1282 if (!dig || !dig->afmt || !dig->afmt->pin)
1283 return;
1284
1285 offset = dig->afmt->pin->offset;
1286
1287 list_for_each_entry(connector, &encoder->dev->mode_config.connector_list, head) {
1288 if (connector->encoder == encoder) {
1289 amdgpu_connector = to_amdgpu_connector(connector);
1290 break;
1291 }
1292 }
1293
1294 if (!amdgpu_connector) {
1295 DRM_ERROR("Couldn't find encoder's connector\n");
1296 return;
1297 }
1298
1299 sad_count = drm_edid_to_sad(amdgpu_connector_edid(connector), &sads);
1300 if (sad_count <= 0) {
1301 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1302 return;
1303 }
1304 BUG_ON(!sads);
1305
1306 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1307 u32 value = 0;
1308 u8 stereo_freqs = 0;
1309 int max_channels = -1;
1310 int j;
1311
1312 for (j = 0; j < sad_count; j++) {
1313 struct cea_sad *sad = &sads[j];
1314
1315 if (sad->format == eld_reg_to_type[i][1]) {
1316 if (sad->channels > max_channels) {
1317 value = (sad->channels <<
1318 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__MAX_CHANNELS__SHIFT) |
1319 (sad->byte2 <<
1320 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__DESCRIPTOR_BYTE_2__SHIFT) |
1321 (sad->freq <<
1322 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES__SHIFT);
1323 max_channels = sad->channels;
1324 }
1325
1326 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1327 stereo_freqs |= sad->freq;
1328 else
1329 break;
1330 }
1331 }
1332
1333 value |= (stereo_freqs <<
1334 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES_STEREO__SHIFT);
1335
1336 WREG32_AUDIO_ENDPT(offset, eld_reg_to_type[i][0], value);
1337 }
1338
1339 kfree(sads);
1340}
1341
1342static void dce_v8_0_audio_enable(struct amdgpu_device *adev,
1343 struct amdgpu_audio_pin *pin,
1344 bool enable)
1345{
1346 if (!pin)
1347 return;
1348
1349 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1350 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1351}
1352
1353static const u32 pin_offsets[7] =
1354{
1355 (0x1780 - 0x1780),
1356 (0x1786 - 0x1780),
1357 (0x178c - 0x1780),
1358 (0x1792 - 0x1780),
1359 (0x1798 - 0x1780),
1360 (0x179d - 0x1780),
1361 (0x17a4 - 0x1780),
1362};
1363
1364static int dce_v8_0_audio_init(struct amdgpu_device *adev)
1365{
1366 int i;
1367
1368 if (!amdgpu_audio)
1369 return 0;
1370
1371 adev->mode_info.audio.enabled = true;
1372
1373 if (adev->asic_type == CHIP_KAVERI) /* KV: 4 streams, 7 endpoints */
1374 adev->mode_info.audio.num_pins = 7;
1375 else if ((adev->asic_type == CHIP_KABINI) ||
1376 (adev->asic_type == CHIP_MULLINS)) /* KB/ML: 2 streams, 3 endpoints */
1377 adev->mode_info.audio.num_pins = 3;
1378 else if ((adev->asic_type == CHIP_BONAIRE) ||
1379 (adev->asic_type == CHIP_HAWAII))/* BN/HW: 6 streams, 7 endpoints */
1380 adev->mode_info.audio.num_pins = 7;
1381 else
1382 adev->mode_info.audio.num_pins = 3;
1383
1384 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1385 adev->mode_info.audio.pin[i].channels = -1;
1386 adev->mode_info.audio.pin[i].rate = -1;
1387 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1388 adev->mode_info.audio.pin[i].status_bits = 0;
1389 adev->mode_info.audio.pin[i].category_code = 0;
1390 adev->mode_info.audio.pin[i].connected = false;
1391 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1392 adev->mode_info.audio.pin[i].id = i;
1393 /* disable audio. it will be set up later */
1394 /* XXX remove once we switch to ip funcs */
1395 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1396 }
1397
1398 return 0;
1399}
1400
1401static void dce_v8_0_audio_fini(struct amdgpu_device *adev)
1402{
1403 int i;
1404
1405 if (!amdgpu_audio)
1406 return;
1407
1408 if (!adev->mode_info.audio.enabled)
1409 return;
1410
1411 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1412 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1413
1414 adev->mode_info.audio.enabled = false;
1415}
1416
1417/*
1418 * update the N and CTS parameters for a given pixel clock rate
1419 */
1420static void dce_v8_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1421{
1422 struct drm_device *dev = encoder->dev;
1423 struct amdgpu_device *adev = dev->dev_private;
1424 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1425 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1426 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1427 uint32_t offset = dig->afmt->offset;
1428
1429 WREG32(mmHDMI_ACR_32_0 + offset, (acr.cts_32khz << HDMI_ACR_32_0__HDMI_ACR_CTS_32__SHIFT));
1430 WREG32(mmHDMI_ACR_32_1 + offset, acr.n_32khz);
1431
1432 WREG32(mmHDMI_ACR_44_0 + offset, (acr.cts_44_1khz << HDMI_ACR_44_0__HDMI_ACR_CTS_44__SHIFT));
1433 WREG32(mmHDMI_ACR_44_1 + offset, acr.n_44_1khz);
1434
1435 WREG32(mmHDMI_ACR_48_0 + offset, (acr.cts_48khz << HDMI_ACR_48_0__HDMI_ACR_CTS_48__SHIFT));
1436 WREG32(mmHDMI_ACR_48_1 + offset, acr.n_48khz);
1437}
1438
1439/*
1440 * build a HDMI Video Info Frame
1441 */
1442static void dce_v8_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1443 void *buffer, size_t size)
1444{
1445 struct drm_device *dev = encoder->dev;
1446 struct amdgpu_device *adev = dev->dev_private;
1447 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1448 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1449 uint32_t offset = dig->afmt->offset;
1450 uint8_t *frame = buffer + 3;
1451 uint8_t *header = buffer;
1452
1453 WREG32(mmAFMT_AVI_INFO0 + offset,
1454 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1455 WREG32(mmAFMT_AVI_INFO1 + offset,
1456 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1457 WREG32(mmAFMT_AVI_INFO2 + offset,
1458 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1459 WREG32(mmAFMT_AVI_INFO3 + offset,
1460 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1461}
1462
1463static void dce_v8_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1464{
1465 struct drm_device *dev = encoder->dev;
1466 struct amdgpu_device *adev = dev->dev_private;
1467 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1468 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1469 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1470 u32 dto_phase = 24 * 1000;
1471 u32 dto_modulo = clock;
1472
1473 if (!dig || !dig->afmt)
1474 return;
1475
1476 /* XXX two dtos; generally use dto0 for hdmi */
1477 /* Express [24MHz / target pixel clock] as an exact rational
1478 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1479 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1480 */
1481 WREG32(mmDCCG_AUDIO_DTO_SOURCE, (amdgpu_crtc->crtc_id << DCCG_AUDIO_DTO_SOURCE__DCCG_AUDIO_DTO0_SOURCE_SEL__SHIFT));
1482 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1483 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1484}
1485
1486/*
1487 * update the info frames with the data from the current display mode
1488 */
1489static void dce_v8_0_afmt_setmode(struct drm_encoder *encoder,
1490 struct drm_display_mode *mode)
1491{
1492 struct drm_device *dev = encoder->dev;
1493 struct amdgpu_device *adev = dev->dev_private;
1494 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1495 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1496 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1497 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1498 struct hdmi_avi_infoframe frame;
1499 uint32_t offset, val;
1500 ssize_t err;
1501 int bpc = 8;
1502
1503 if (!dig || !dig->afmt)
1504 return;
1505
1506 /* Silent, r600_hdmi_enable will raise WARN for us */
1507 if (!dig->afmt->enabled)
1508 return;
1509
1510 offset = dig->afmt->offset;
1511
1512 /* hdmi deep color mode general control packets setup, if bpc > 8 */
1513 if (encoder->crtc) {
1514 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1515 bpc = amdgpu_crtc->bpc;
1516 }
1517
1518 /* disable audio prior to setting up hw */
1519 dig->afmt->pin = dce_v8_0_audio_get_pin(adev);
1520 dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
1521
1522 dce_v8_0_audio_set_dto(encoder, mode->clock);
1523
1524 WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
1525 HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK); /* send null packets when required */
1526
1527 WREG32(mmAFMT_AUDIO_CRC_CONTROL + offset, 0x1000);
1528
1529 val = RREG32(mmHDMI_CONTROL + offset);
1530 val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1531 val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH_MASK;
1532
1533 switch (bpc) {
1534 case 0:
1535 case 6:
1536 case 8:
1537 case 16:
1538 default:
1539 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1540 connector->name, bpc);
1541 break;
1542 case 10:
1543 val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1544 val |= 1 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
1545 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1546 connector->name);
1547 break;
1548 case 12:
1549 val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1550 val |= 2 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
1551 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1552 connector->name);
1553 break;
1554 }
1555
1556 WREG32(mmHDMI_CONTROL + offset, val);
1557
1558 WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
1559 HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK | /* send null packets when required */
1560 HDMI_VBI_PACKET_CONTROL__HDMI_GC_SEND_MASK | /* send general control packets */
1561 HDMI_VBI_PACKET_CONTROL__HDMI_GC_CONT_MASK); /* send general control packets every frame */
1562
1563 WREG32(mmHDMI_INFOFRAME_CONTROL0 + offset,
1564 HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_SEND_MASK | /* enable audio info frames (frames won't be set until audio is enabled) */
1565 HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_CONT_MASK); /* required for audio info values to be updated */
1566
1567 WREG32(mmAFMT_INFOFRAME_CONTROL0 + offset,
1568 AFMT_INFOFRAME_CONTROL0__AFMT_AUDIO_INFO_UPDATE_MASK); /* required for audio info values to be updated */
1569
1570 WREG32(mmHDMI_INFOFRAME_CONTROL1 + offset,
1571 (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AUDIO_INFO_LINE__SHIFT)); /* anything other than 0 */
1572
1573 WREG32(mmHDMI_GC + offset, 0); /* unset HDMI_GC_AVMUTE */
1574
1575 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + offset,
1576 (1 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_DELAY_EN__SHIFT) | /* set the default audio delay */
1577 (3 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_PACKETS_PER_LINE__SHIFT)); /* should be suffient for all audio modes and small enough for all hblanks */
1578
1579 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + offset,
1580 AFMT_AUDIO_PACKET_CONTROL__AFMT_60958_CS_UPDATE_MASK); /* allow 60958 channel status fields to be updated */
1581
1582 /* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */
1583
1584 if (bpc > 8)
1585 WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
1586 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
1587 else
1588 WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
1589 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_SOURCE_MASK | /* select SW CTS value */
1590 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
1591
1592 dce_v8_0_afmt_update_ACR(encoder, mode->clock);
1593
1594 WREG32(mmAFMT_60958_0 + offset,
1595 (1 << AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L__SHIFT));
1596
1597 WREG32(mmAFMT_60958_1 + offset,
1598 (2 << AFMT_60958_1__AFMT_60958_CS_CHANNEL_NUMBER_R__SHIFT));
1599
1600 WREG32(mmAFMT_60958_2 + offset,
1601 (3 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_2__SHIFT) |
1602 (4 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_3__SHIFT) |
1603 (5 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_4__SHIFT) |
1604 (6 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_5__SHIFT) |
1605 (7 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_6__SHIFT) |
1606 (8 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_7__SHIFT));
1607
1608 dce_v8_0_audio_write_speaker_allocation(encoder);
1609
1610
1611 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + offset,
1612 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1613
1614 dce_v8_0_afmt_audio_select_pin(encoder);
1615 dce_v8_0_audio_write_sad_regs(encoder);
1616 dce_v8_0_audio_write_latency_fields(encoder, mode);
1617
1618 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, mode, false);
1619 if (err < 0) {
1620 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1621 return;
1622 }
1623
1624 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1625 if (err < 0) {
1626 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1627 return;
1628 }
1629
1630 dce_v8_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1631
1632 WREG32_OR(mmHDMI_INFOFRAME_CONTROL0 + offset,
1633 HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_SEND_MASK | /* enable AVI info frames */
1634 HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_CONT_MASK); /* required for audio info values to be updated */
1635
1636 WREG32_P(mmHDMI_INFOFRAME_CONTROL1 + offset,
1637 (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE__SHIFT), /* anything other than 0 */
1638 ~HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE_MASK);
1639
1640 WREG32_OR(mmAFMT_AUDIO_PACKET_CONTROL + offset,
1641 AFMT_AUDIO_PACKET_CONTROL__AFMT_AUDIO_SAMPLE_SEND_MASK); /* send audio packets */
1642
1643 WREG32(mmAFMT_RAMP_CONTROL0 + offset, 0x00FFFFFF);
1644 WREG32(mmAFMT_RAMP_CONTROL1 + offset, 0x007FFFFF);
1645 WREG32(mmAFMT_RAMP_CONTROL2 + offset, 0x00000001);
1646 WREG32(mmAFMT_RAMP_CONTROL3 + offset, 0x00000001);
1647
1648 /* enable audio after setting up hw */
1649 dce_v8_0_audio_enable(adev, dig->afmt->pin, true);
1650}
1651
1652static void dce_v8_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1653{
1654 struct drm_device *dev = encoder->dev;
1655 struct amdgpu_device *adev = dev->dev_private;
1656 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1657 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1658
1659 if (!dig || !dig->afmt)
1660 return;
1661
1662 /* Silent, r600_hdmi_enable will raise WARN for us */
1663 if (enable && dig->afmt->enabled)
1664 return;
1665 if (!enable && !dig->afmt->enabled)
1666 return;
1667
1668 if (!enable && dig->afmt->pin) {
1669 dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
1670 dig->afmt->pin = NULL;
1671 }
1672
1673 dig->afmt->enabled = enable;
1674
1675 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1676 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1677}
1678
1679static int dce_v8_0_afmt_init(struct amdgpu_device *adev)
1680{
1681 int i;
1682
1683 for (i = 0; i < adev->mode_info.num_dig; i++)
1684 adev->mode_info.afmt[i] = NULL;
1685
1686 /* DCE8 has audio blocks tied to DIG encoders */
1687 for (i = 0; i < adev->mode_info.num_dig; i++) {
1688 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1689 if (adev->mode_info.afmt[i]) {
1690 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1691 adev->mode_info.afmt[i]->id = i;
1692 } else {
1693 int j;
1694 for (j = 0; j < i; j++) {
1695 kfree(adev->mode_info.afmt[j]);
1696 adev->mode_info.afmt[j] = NULL;
1697 }
1698 return -ENOMEM;
1699 }
1700 }
1701 return 0;
1702}
1703
1704static void dce_v8_0_afmt_fini(struct amdgpu_device *adev)
1705{
1706 int i;
1707
1708 for (i = 0; i < adev->mode_info.num_dig; i++) {
1709 kfree(adev->mode_info.afmt[i]);
1710 adev->mode_info.afmt[i] = NULL;
1711 }
1712}
1713
1714static const u32 vga_control_regs[6] =
1715{
1716 mmD1VGA_CONTROL,
1717 mmD2VGA_CONTROL,
1718 mmD3VGA_CONTROL,
1719 mmD4VGA_CONTROL,
1720 mmD5VGA_CONTROL,
1721 mmD6VGA_CONTROL,
1722};
1723
1724static void dce_v8_0_vga_enable(struct drm_crtc *crtc, bool enable)
1725{
1726 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1727 struct drm_device *dev = crtc->dev;
1728 struct amdgpu_device *adev = dev->dev_private;
1729 u32 vga_control;
1730
1731 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1732 if (enable)
1733 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1734 else
1735 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1736}
1737
1738static void dce_v8_0_grph_enable(struct drm_crtc *crtc, bool enable)
1739{
1740 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1741 struct drm_device *dev = crtc->dev;
1742 struct amdgpu_device *adev = dev->dev_private;
1743
1744 if (enable)
1745 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1746 else
1747 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1748}
1749
1750static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc,
1751 struct drm_framebuffer *fb,
1752 int x, int y, int atomic)
1753{
1754 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1755 struct drm_device *dev = crtc->dev;
1756 struct amdgpu_device *adev = dev->dev_private;
1757 struct amdgpu_framebuffer *amdgpu_fb;
1758 struct drm_framebuffer *target_fb;
1759 struct drm_gem_object *obj;
1760 struct amdgpu_bo *abo;
1761 uint64_t fb_location, tiling_flags;
1762 uint32_t fb_format, fb_pitch_pixels;
1763 u32 fb_swap = (GRPH_ENDIAN_NONE << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1764 u32 pipe_config;
1765 u32 viewport_w, viewport_h;
1766 int r;
1767 bool bypass_lut = false;
1768 struct drm_format_name_buf format_name;
1769
1770 /* no fb bound */
1771 if (!atomic && !crtc->primary->fb) {
1772 DRM_DEBUG_KMS("No FB bound\n");
1773 return 0;
1774 }
1775
1776 if (atomic) {
1777 amdgpu_fb = to_amdgpu_framebuffer(fb);
1778 target_fb = fb;
1779 } else {
1780 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
1781 target_fb = crtc->primary->fb;
1782 }
1783
1784 /* If atomic, assume fb object is pinned & idle & fenced and
1785 * just update base pointers
1786 */
1787 obj = amdgpu_fb->obj;
1788 abo = gem_to_amdgpu_bo(obj);
1789 r = amdgpu_bo_reserve(abo, false);
1790 if (unlikely(r != 0))
1791 return r;
1792
1793 if (atomic) {
1794 fb_location = amdgpu_bo_gpu_offset(abo);
1795 } else {
1796 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM, &fb_location);
1797 if (unlikely(r != 0)) {
1798 amdgpu_bo_unreserve(abo);
1799 return -EINVAL;
1800 }
1801 }
1802
1803 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1804 amdgpu_bo_unreserve(abo);
1805
1806 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1807
1808 switch (target_fb->format->format) {
1809 case DRM_FORMAT_C8:
1810 fb_format = ((GRPH_DEPTH_8BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1811 (GRPH_FORMAT_INDEXED << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1812 break;
1813 case DRM_FORMAT_XRGB4444:
1814 case DRM_FORMAT_ARGB4444:
1815 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1816 (GRPH_FORMAT_ARGB4444 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1817#ifdef __BIG_ENDIAN
1818 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1819#endif
1820 break;
1821 case DRM_FORMAT_XRGB1555:
1822 case DRM_FORMAT_ARGB1555:
1823 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1824 (GRPH_FORMAT_ARGB1555 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1825#ifdef __BIG_ENDIAN
1826 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1827#endif
1828 break;
1829 case DRM_FORMAT_BGRX5551:
1830 case DRM_FORMAT_BGRA5551:
1831 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1832 (GRPH_FORMAT_BGRA5551 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1833#ifdef __BIG_ENDIAN
1834 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1835#endif
1836 break;
1837 case DRM_FORMAT_RGB565:
1838 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1839 (GRPH_FORMAT_ARGB565 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1840#ifdef __BIG_ENDIAN
1841 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1842#endif
1843 break;
1844 case DRM_FORMAT_XRGB8888:
1845 case DRM_FORMAT_ARGB8888:
1846 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1847 (GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1848#ifdef __BIG_ENDIAN
1849 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1850#endif
1851 break;
1852 case DRM_FORMAT_XRGB2101010:
1853 case DRM_FORMAT_ARGB2101010:
1854 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1855 (GRPH_FORMAT_ARGB2101010 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1856#ifdef __BIG_ENDIAN
1857 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1858#endif
1859 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1860 bypass_lut = true;
1861 break;
1862 case DRM_FORMAT_BGRX1010102:
1863 case DRM_FORMAT_BGRA1010102:
1864 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1865 (GRPH_FORMAT_BGRA1010102 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1866#ifdef __BIG_ENDIAN
1867 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1868#endif
1869 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1870 bypass_lut = true;
1871 break;
1872 default:
1873 DRM_ERROR("Unsupported screen format %s\n",
1874 drm_get_format_name(target_fb->format->format, &format_name));
1875 return -EINVAL;
1876 }
1877
1878 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1879 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1880
1881 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1882 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1883 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1884 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1885 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1886
1887 fb_format |= (num_banks << GRPH_CONTROL__GRPH_NUM_BANKS__SHIFT);
1888 fb_format |= (GRPH_ARRAY_2D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
1889 fb_format |= (tile_split << GRPH_CONTROL__GRPH_TILE_SPLIT__SHIFT);
1890 fb_format |= (bankw << GRPH_CONTROL__GRPH_BANK_WIDTH__SHIFT);
1891 fb_format |= (bankh << GRPH_CONTROL__GRPH_BANK_HEIGHT__SHIFT);
1892 fb_format |= (mtaspect << GRPH_CONTROL__GRPH_MACRO_TILE_ASPECT__SHIFT);
1893 fb_format |= (DISPLAY_MICRO_TILING << GRPH_CONTROL__GRPH_MICRO_TILE_MODE__SHIFT);
1894 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1895 fb_format |= (GRPH_ARRAY_1D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
1896 }
1897
1898 fb_format |= (pipe_config << GRPH_CONTROL__GRPH_PIPE_CONFIG__SHIFT);
1899
1900 dce_v8_0_vga_enable(crtc, false);
1901
1902 /* Make sure surface address is updated at vertical blank rather than
1903 * horizontal blank
1904 */
1905 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1906
1907 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1908 upper_32_bits(fb_location));
1909 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1910 upper_32_bits(fb_location));
1911 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1912 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1913 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1914 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
1915 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1916 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1917
1918 /*
1919 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1920 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1921 * retain the full precision throughout the pipeline.
1922 */
1923 WREG32_P(mmGRPH_LUT_10BIT_BYPASS_CONTROL + amdgpu_crtc->crtc_offset,
1924 (bypass_lut ? LUT_10BIT_BYPASS_EN : 0),
1925 ~LUT_10BIT_BYPASS_EN);
1926
1927 if (bypass_lut)
1928 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1929
1930 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1931 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1932 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1933 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1934 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1935 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1936
1937 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1938 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1939
1940 dce_v8_0_grph_enable(crtc, true);
1941
1942 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
1943 target_fb->height);
1944
1945 x &= ~3;
1946 y &= ~1;
1947 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
1948 (x << 16) | y);
1949 viewport_w = crtc->mode.hdisplay;
1950 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1951 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
1952 (viewport_w << 16) | viewport_h);
1953
1954 /* set pageflip to happen anywhere in vblank interval */
1955 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
1956
1957 if (!atomic && fb && fb != crtc->primary->fb) {
1958 amdgpu_fb = to_amdgpu_framebuffer(fb);
1959 abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
1960 r = amdgpu_bo_reserve(abo, true);
1961 if (unlikely(r != 0))
1962 return r;
1963 amdgpu_bo_unpin(abo);
1964 amdgpu_bo_unreserve(abo);
1965 }
1966
1967 /* Bytes per pixel may have changed */
1968 dce_v8_0_bandwidth_update(adev);
1969
1970 return 0;
1971}
1972
1973static void dce_v8_0_set_interleave(struct drm_crtc *crtc,
1974 struct drm_display_mode *mode)
1975{
1976 struct drm_device *dev = crtc->dev;
1977 struct amdgpu_device *adev = dev->dev_private;
1978 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1979
1980 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1981 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset,
1982 LB_DATA_FORMAT__INTERLEAVE_EN__SHIFT);
1983 else
1984 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
1985}
1986
1987static void dce_v8_0_crtc_load_lut(struct drm_crtc *crtc)
1988{
1989 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1990 struct drm_device *dev = crtc->dev;
1991 struct amdgpu_device *adev = dev->dev_private;
1992 u16 *r, *g, *b;
1993 int i;
1994
1995 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
1996
1997 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
1998 ((INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
1999 (INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2000 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2001 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2002 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2003 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2004 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2005 ((INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2006 (INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2007
2008 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2009
2010 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2011 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2012 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2013
2014 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2015 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2016 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2017
2018 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2019 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2020
2021 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2022 r = crtc->gamma_store;
2023 g = r + crtc->gamma_size;
2024 b = g + crtc->gamma_size;
2025 for (i = 0; i < 256; i++) {
2026 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2027 ((*r++ & 0xffc0) << 14) |
2028 ((*g++ & 0xffc0) << 4) |
2029 (*b++ >> 6));
2030 }
2031
2032 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2033 ((DEGAMMA_BYPASS << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2034 (DEGAMMA_BYPASS << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2035 (DEGAMMA_BYPASS << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2036 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2037 ((GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2038 (GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2039 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2040 ((REGAMMA_BYPASS << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2041 (REGAMMA_BYPASS << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2042 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2043 ((OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2044 (OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2045 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2046 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2047 /* XXX this only needs to be programmed once per crtc at startup,
2048 * not sure where the best place for it is
2049 */
2050 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset,
2051 ALPHA_CONTROL__CURSOR_ALPHA_BLND_ENA_MASK);
2052}
2053
2054static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)
2055{
2056 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2057 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2058
2059 switch (amdgpu_encoder->encoder_id) {
2060 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2061 if (dig->linkb)
2062 return 1;
2063 else
2064 return 0;
2065 break;
2066 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2067 if (dig->linkb)
2068 return 3;
2069 else
2070 return 2;
2071 break;
2072 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2073 if (dig->linkb)
2074 return 5;
2075 else
2076 return 4;
2077 break;
2078 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2079 return 6;
2080 break;
2081 default:
2082 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2083 return 0;
2084 }
2085}
2086
2087/**
2088 * dce_v8_0_pick_pll - Allocate a PPLL for use by the crtc.
2089 *
2090 * @crtc: drm crtc
2091 *
2092 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2093 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2094 * monitors a dedicated PPLL must be used. If a particular board has
2095 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2096 * as there is no need to program the PLL itself. If we are not able to
2097 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2098 * avoid messing up an existing monitor.
2099 *
2100 * Asic specific PLL information
2101 *
2102 * DCE 8.x
2103 * KB/KV
2104 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2105 * CI
2106 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2107 *
2108 */
2109static u32 dce_v8_0_pick_pll(struct drm_crtc *crtc)
2110{
2111 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2112 struct drm_device *dev = crtc->dev;
2113 struct amdgpu_device *adev = dev->dev_private;
2114 u32 pll_in_use;
2115 int pll;
2116
2117 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2118 if (adev->clock.dp_extclk)
2119 /* skip PPLL programming if using ext clock */
2120 return ATOM_PPLL_INVALID;
2121 else {
2122 /* use the same PPLL for all DP monitors */
2123 pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2124 if (pll != ATOM_PPLL_INVALID)
2125 return pll;
2126 }
2127 } else {
2128 /* use the same PPLL for all monitors with the same clock */
2129 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2130 if (pll != ATOM_PPLL_INVALID)
2131 return pll;
2132 }
2133 /* otherwise, pick one of the plls */
2134 if ((adev->asic_type == CHIP_KABINI) ||
2135 (adev->asic_type == CHIP_MULLINS)) {
2136 /* KB/ML has PPLL1 and PPLL2 */
2137 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2138 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2139 return ATOM_PPLL2;
2140 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2141 return ATOM_PPLL1;
2142 DRM_ERROR("unable to allocate a PPLL\n");
2143 return ATOM_PPLL_INVALID;
2144 } else {
2145 /* CI/KV has PPLL0, PPLL1, and PPLL2 */
2146 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2147 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2148 return ATOM_PPLL2;
2149 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2150 return ATOM_PPLL1;
2151 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2152 return ATOM_PPLL0;
2153 DRM_ERROR("unable to allocate a PPLL\n");
2154 return ATOM_PPLL_INVALID;
2155 }
2156 return ATOM_PPLL_INVALID;
2157}
2158
2159static void dce_v8_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2160{
2161 struct amdgpu_device *adev = crtc->dev->dev_private;
2162 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2163 uint32_t cur_lock;
2164
2165 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2166 if (lock)
2167 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2168 else
2169 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2170 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2171}
2172
2173static void dce_v8_0_hide_cursor(struct drm_crtc *crtc)
2174{
2175 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2176 struct amdgpu_device *adev = crtc->dev->dev_private;
2177
2178 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2179 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2180 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2181}
2182
2183static void dce_v8_0_show_cursor(struct drm_crtc *crtc)
2184{
2185 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2186 struct amdgpu_device *adev = crtc->dev->dev_private;
2187
2188 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2189 upper_32_bits(amdgpu_crtc->cursor_addr));
2190 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2191 lower_32_bits(amdgpu_crtc->cursor_addr));
2192
2193 WREG32_IDX(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2194 CUR_CONTROL__CURSOR_EN_MASK |
2195 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2196 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2197}
2198
2199static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc,
2200 int x, int y)
2201{
2202 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2203 struct amdgpu_device *adev = crtc->dev->dev_private;
2204 int xorigin = 0, yorigin = 0;
2205
2206 amdgpu_crtc->cursor_x = x;
2207 amdgpu_crtc->cursor_y = y;
2208
2209 /* avivo cursor are offset into the total surface */
2210 x += crtc->x;
2211 y += crtc->y;
2212 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2213
2214 if (x < 0) {
2215 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2216 x = 0;
2217 }
2218 if (y < 0) {
2219 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2220 y = 0;
2221 }
2222
2223 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2224 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2225 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2226 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2227
2228 return 0;
2229}
2230
2231static int dce_v8_0_crtc_cursor_move(struct drm_crtc *crtc,
2232 int x, int y)
2233{
2234 int ret;
2235
2236 dce_v8_0_lock_cursor(crtc, true);
2237 ret = dce_v8_0_cursor_move_locked(crtc, x, y);
2238 dce_v8_0_lock_cursor(crtc, false);
2239
2240 return ret;
2241}
2242
2243static int dce_v8_0_crtc_cursor_set2(struct drm_crtc *crtc,
2244 struct drm_file *file_priv,
2245 uint32_t handle,
2246 uint32_t width,
2247 uint32_t height,
2248 int32_t hot_x,
2249 int32_t hot_y)
2250{
2251 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2252 struct drm_gem_object *obj;
2253 struct amdgpu_bo *aobj;
2254 int ret;
2255
2256 if (!handle) {
2257 /* turn off cursor */
2258 dce_v8_0_hide_cursor(crtc);
2259 obj = NULL;
2260 goto unpin;
2261 }
2262
2263 if ((width > amdgpu_crtc->max_cursor_width) ||
2264 (height > amdgpu_crtc->max_cursor_height)) {
2265 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2266 return -EINVAL;
2267 }
2268
2269 obj = drm_gem_object_lookup(file_priv, handle);
2270 if (!obj) {
2271 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2272 return -ENOENT;
2273 }
2274
2275 aobj = gem_to_amdgpu_bo(obj);
2276 ret = amdgpu_bo_reserve(aobj, false);
2277 if (ret != 0) {
2278 drm_gem_object_put_unlocked(obj);
2279 return ret;
2280 }
2281
2282 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM, &amdgpu_crtc->cursor_addr);
2283 amdgpu_bo_unreserve(aobj);
2284 if (ret) {
2285 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2286 drm_gem_object_put_unlocked(obj);
2287 return ret;
2288 }
2289
2290 dce_v8_0_lock_cursor(crtc, true);
2291
2292 if (width != amdgpu_crtc->cursor_width ||
2293 height != amdgpu_crtc->cursor_height ||
2294 hot_x != amdgpu_crtc->cursor_hot_x ||
2295 hot_y != amdgpu_crtc->cursor_hot_y) {
2296 int x, y;
2297
2298 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2299 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2300
2301 dce_v8_0_cursor_move_locked(crtc, x, y);
2302
2303 amdgpu_crtc->cursor_width = width;
2304 amdgpu_crtc->cursor_height = height;
2305 amdgpu_crtc->cursor_hot_x = hot_x;
2306 amdgpu_crtc->cursor_hot_y = hot_y;
2307 }
2308
2309 dce_v8_0_show_cursor(crtc);
2310 dce_v8_0_lock_cursor(crtc, false);
2311
2312unpin:
2313 if (amdgpu_crtc->cursor_bo) {
2314 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2315 ret = amdgpu_bo_reserve(aobj, true);
2316 if (likely(ret == 0)) {
2317 amdgpu_bo_unpin(aobj);
2318 amdgpu_bo_unreserve(aobj);
2319 }
2320 drm_gem_object_put_unlocked(amdgpu_crtc->cursor_bo);
2321 }
2322
2323 amdgpu_crtc->cursor_bo = obj;
2324 return 0;
2325}
2326
2327static void dce_v8_0_cursor_reset(struct drm_crtc *crtc)
2328{
2329 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2330
2331 if (amdgpu_crtc->cursor_bo) {
2332 dce_v8_0_lock_cursor(crtc, true);
2333
2334 dce_v8_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2335 amdgpu_crtc->cursor_y);
2336
2337 dce_v8_0_show_cursor(crtc);
2338
2339 dce_v8_0_lock_cursor(crtc, false);
2340 }
2341}
2342
2343static int dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2344 u16 *blue, uint32_t size,
2345 struct drm_modeset_acquire_ctx *ctx)
2346{
2347 dce_v8_0_crtc_load_lut(crtc);
2348
2349 return 0;
2350}
2351
2352static void dce_v8_0_crtc_destroy(struct drm_crtc *crtc)
2353{
2354 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2355
2356 drm_crtc_cleanup(crtc);
2357 kfree(amdgpu_crtc);
2358}
2359
2360static const struct drm_crtc_funcs dce_v8_0_crtc_funcs = {
2361 .cursor_set2 = dce_v8_0_crtc_cursor_set2,
2362 .cursor_move = dce_v8_0_crtc_cursor_move,
2363 .gamma_set = dce_v8_0_crtc_gamma_set,
2364 .set_config = amdgpu_display_crtc_set_config,
2365 .destroy = dce_v8_0_crtc_destroy,
2366 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2367};
2368
2369static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2370{
2371 struct drm_device *dev = crtc->dev;
2372 struct amdgpu_device *adev = dev->dev_private;
2373 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2374 unsigned type;
2375
2376 switch (mode) {
2377 case DRM_MODE_DPMS_ON:
2378 amdgpu_crtc->enabled = true;
2379 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2380 dce_v8_0_vga_enable(crtc, true);
2381 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2382 dce_v8_0_vga_enable(crtc, false);
2383 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2384 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2385 amdgpu_crtc->crtc_id);
2386 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2387 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2388 drm_crtc_vblank_on(crtc);
2389 dce_v8_0_crtc_load_lut(crtc);
2390 break;
2391 case DRM_MODE_DPMS_STANDBY:
2392 case DRM_MODE_DPMS_SUSPEND:
2393 case DRM_MODE_DPMS_OFF:
2394 drm_crtc_vblank_off(crtc);
2395 if (amdgpu_crtc->enabled) {
2396 dce_v8_0_vga_enable(crtc, true);
2397 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2398 dce_v8_0_vga_enable(crtc, false);
2399 }
2400 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2401 amdgpu_crtc->enabled = false;
2402 break;
2403 }
2404 /* adjust pm to dpms */
2405 amdgpu_pm_compute_clocks(adev);
2406}
2407
2408static void dce_v8_0_crtc_prepare(struct drm_crtc *crtc)
2409{
2410 /* disable crtc pair power gating before programming */
2411 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2412 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2413 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2414}
2415
2416static void dce_v8_0_crtc_commit(struct drm_crtc *crtc)
2417{
2418 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2419 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2420}
2421
2422static void dce_v8_0_crtc_disable(struct drm_crtc *crtc)
2423{
2424 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2425 struct drm_device *dev = crtc->dev;
2426 struct amdgpu_device *adev = dev->dev_private;
2427 struct amdgpu_atom_ss ss;
2428 int i;
2429
2430 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2431 if (crtc->primary->fb) {
2432 int r;
2433 struct amdgpu_framebuffer *amdgpu_fb;
2434 struct amdgpu_bo *abo;
2435
2436 amdgpu_fb = to_amdgpu_framebuffer(crtc->primary->fb);
2437 abo = gem_to_amdgpu_bo(amdgpu_fb->obj);
2438 r = amdgpu_bo_reserve(abo, true);
2439 if (unlikely(r))
2440 DRM_ERROR("failed to reserve abo before unpin\n");
2441 else {
2442 amdgpu_bo_unpin(abo);
2443 amdgpu_bo_unreserve(abo);
2444 }
2445 }
2446 /* disable the GRPH */
2447 dce_v8_0_grph_enable(crtc, false);
2448
2449 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2450
2451 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2452 if (adev->mode_info.crtcs[i] &&
2453 adev->mode_info.crtcs[i]->enabled &&
2454 i != amdgpu_crtc->crtc_id &&
2455 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2456 /* one other crtc is using this pll don't turn
2457 * off the pll
2458 */
2459 goto done;
2460 }
2461 }
2462
2463 switch (amdgpu_crtc->pll_id) {
2464 case ATOM_PPLL1:
2465 case ATOM_PPLL2:
2466 /* disable the ppll */
2467 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2468 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2469 break;
2470 case ATOM_PPLL0:
2471 /* disable the ppll */
2472 if ((adev->asic_type == CHIP_KAVERI) ||
2473 (adev->asic_type == CHIP_BONAIRE) ||
2474 (adev->asic_type == CHIP_HAWAII))
2475 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2476 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2477 break;
2478 default:
2479 break;
2480 }
2481done:
2482 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2483 amdgpu_crtc->adjusted_clock = 0;
2484 amdgpu_crtc->encoder = NULL;
2485 amdgpu_crtc->connector = NULL;
2486}
2487
2488static int dce_v8_0_crtc_mode_set(struct drm_crtc *crtc,
2489 struct drm_display_mode *mode,
2490 struct drm_display_mode *adjusted_mode,
2491 int x, int y, struct drm_framebuffer *old_fb)
2492{
2493 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2494
2495 if (!amdgpu_crtc->adjusted_clock)
2496 return -EINVAL;
2497
2498 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2499 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2500 dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2501 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2502 amdgpu_atombios_crtc_scaler_setup(crtc);
2503 dce_v8_0_cursor_reset(crtc);
2504 /* update the hw version fpr dpm */
2505 amdgpu_crtc->hw_mode = *adjusted_mode;
2506
2507 return 0;
2508}
2509
2510static bool dce_v8_0_crtc_mode_fixup(struct drm_crtc *crtc,
2511 const struct drm_display_mode *mode,
2512 struct drm_display_mode *adjusted_mode)
2513{
2514 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2515 struct drm_device *dev = crtc->dev;
2516 struct drm_encoder *encoder;
2517
2518 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2519 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2520 if (encoder->crtc == crtc) {
2521 amdgpu_crtc->encoder = encoder;
2522 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2523 break;
2524 }
2525 }
2526 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2527 amdgpu_crtc->encoder = NULL;
2528 amdgpu_crtc->connector = NULL;
2529 return false;
2530 }
2531 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2532 return false;
2533 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2534 return false;
2535 /* pick pll */
2536 amdgpu_crtc->pll_id = dce_v8_0_pick_pll(crtc);
2537 /* if we can't get a PPLL for a non-DP encoder, fail */
2538 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2539 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2540 return false;
2541
2542 return true;
2543}
2544
2545static int dce_v8_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2546 struct drm_framebuffer *old_fb)
2547{
2548 return dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2549}
2550
2551static int dce_v8_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2552 struct drm_framebuffer *fb,
2553 int x, int y, enum mode_set_atomic state)
2554{
2555 return dce_v8_0_crtc_do_set_base(crtc, fb, x, y, 1);
2556}
2557
2558static const struct drm_crtc_helper_funcs dce_v8_0_crtc_helper_funcs = {
2559 .dpms = dce_v8_0_crtc_dpms,
2560 .mode_fixup = dce_v8_0_crtc_mode_fixup,
2561 .mode_set = dce_v8_0_crtc_mode_set,
2562 .mode_set_base = dce_v8_0_crtc_set_base,
2563 .mode_set_base_atomic = dce_v8_0_crtc_set_base_atomic,
2564 .prepare = dce_v8_0_crtc_prepare,
2565 .commit = dce_v8_0_crtc_commit,
2566 .disable = dce_v8_0_crtc_disable,
2567};
2568
2569static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index)
2570{
2571 struct amdgpu_crtc *amdgpu_crtc;
2572
2573 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2574 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2575 if (amdgpu_crtc == NULL)
2576 return -ENOMEM;
2577
2578 drm_crtc_init(adev->ddev, &amdgpu_crtc->base, &dce_v8_0_crtc_funcs);
2579
2580 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2581 amdgpu_crtc->crtc_id = index;
2582 adev->mode_info.crtcs[index] = amdgpu_crtc;
2583
2584 amdgpu_crtc->max_cursor_width = CIK_CURSOR_WIDTH;
2585 amdgpu_crtc->max_cursor_height = CIK_CURSOR_HEIGHT;
2586 adev->ddev->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2587 adev->ddev->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2588
2589 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2590
2591 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2592 amdgpu_crtc->adjusted_clock = 0;
2593 amdgpu_crtc->encoder = NULL;
2594 amdgpu_crtc->connector = NULL;
2595 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v8_0_crtc_helper_funcs);
2596
2597 return 0;
2598}
2599
2600static int dce_v8_0_early_init(void *handle)
2601{
2602 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2603
2604 adev->audio_endpt_rreg = &dce_v8_0_audio_endpt_rreg;
2605 adev->audio_endpt_wreg = &dce_v8_0_audio_endpt_wreg;
2606
2607 dce_v8_0_set_display_funcs(adev);
2608
2609 adev->mode_info.num_crtc = dce_v8_0_get_num_crtc(adev);
2610
2611 switch (adev->asic_type) {
2612 case CHIP_BONAIRE:
2613 case CHIP_HAWAII:
2614 adev->mode_info.num_hpd = 6;
2615 adev->mode_info.num_dig = 6;
2616 break;
2617 case CHIP_KAVERI:
2618 adev->mode_info.num_hpd = 6;
2619 adev->mode_info.num_dig = 7;
2620 break;
2621 case CHIP_KABINI:
2622 case CHIP_MULLINS:
2623 adev->mode_info.num_hpd = 6;
2624 adev->mode_info.num_dig = 6; /* ? */
2625 break;
2626 default:
2627 /* FIXME: not supported yet */
2628 return -EINVAL;
2629 }
2630
2631 dce_v8_0_set_irq_funcs(adev);
2632
2633 return 0;
2634}
2635
2636static int dce_v8_0_sw_init(void *handle)
2637{
2638 int r, i;
2639 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2640
2641 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2642 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2643 if (r)
2644 return r;
2645 }
2646
2647 for (i = 8; i < 20; i += 2) {
2648 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2649 if (r)
2650 return r;
2651 }
2652
2653 /* HPD hotplug */
2654 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2655 if (r)
2656 return r;
2657
2658 adev->ddev->mode_config.funcs = &amdgpu_mode_funcs;
2659
2660 adev->ddev->mode_config.async_page_flip = true;
2661
2662 adev->ddev->mode_config.max_width = 16384;
2663 adev->ddev->mode_config.max_height = 16384;
2664
2665 adev->ddev->mode_config.preferred_depth = 24;
2666 adev->ddev->mode_config.prefer_shadow = 1;
2667
2668 adev->ddev->mode_config.fb_base = adev->gmc.aper_base;
2669
2670 r = amdgpu_display_modeset_create_props(adev);
2671 if (r)
2672 return r;
2673
2674 adev->ddev->mode_config.max_width = 16384;
2675 adev->ddev->mode_config.max_height = 16384;
2676
2677 /* allocate crtcs */
2678 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2679 r = dce_v8_0_crtc_init(adev, i);
2680 if (r)
2681 return r;
2682 }
2683
2684 if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2685 amdgpu_display_print_display_setup(adev->ddev);
2686 else
2687 return -EINVAL;
2688
2689 /* setup afmt */
2690 r = dce_v8_0_afmt_init(adev);
2691 if (r)
2692 return r;
2693
2694 r = dce_v8_0_audio_init(adev);
2695 if (r)
2696 return r;
2697
2698 drm_kms_helper_poll_init(adev->ddev);
2699
2700 adev->mode_info.mode_config_initialized = true;
2701 return 0;
2702}
2703
2704static int dce_v8_0_sw_fini(void *handle)
2705{
2706 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2707
2708 kfree(adev->mode_info.bios_hardcoded_edid);
2709
2710 drm_kms_helper_poll_fini(adev->ddev);
2711
2712 dce_v8_0_audio_fini(adev);
2713
2714 dce_v8_0_afmt_fini(adev);
2715
2716 drm_mode_config_cleanup(adev->ddev);
2717 adev->mode_info.mode_config_initialized = false;
2718
2719 return 0;
2720}
2721
2722static int dce_v8_0_hw_init(void *handle)
2723{
2724 int i;
2725 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2726
2727 /* disable vga render */
2728 dce_v8_0_set_vga_render_state(adev, false);
2729 /* init dig PHYs, disp eng pll */
2730 amdgpu_atombios_encoder_init_dig(adev);
2731 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2732
2733 /* initialize hpd */
2734 dce_v8_0_hpd_init(adev);
2735
2736 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2737 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2738 }
2739
2740 dce_v8_0_pageflip_interrupt_init(adev);
2741
2742 return 0;
2743}
2744
2745static int dce_v8_0_hw_fini(void *handle)
2746{
2747 int i;
2748 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2749
2750 dce_v8_0_hpd_fini(adev);
2751
2752 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2753 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2754 }
2755
2756 dce_v8_0_pageflip_interrupt_fini(adev);
2757
2758 return 0;
2759}
2760
2761static int dce_v8_0_suspend(void *handle)
2762{
2763 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2764
2765 adev->mode_info.bl_level =
2766 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2767
2768 return dce_v8_0_hw_fini(handle);
2769}
2770
2771static int dce_v8_0_resume(void *handle)
2772{
2773 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2774 int ret;
2775
2776 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2777 adev->mode_info.bl_level);
2778
2779 ret = dce_v8_0_hw_init(handle);
2780
2781 /* turn on the BL */
2782 if (adev->mode_info.bl_encoder) {
2783 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2784 adev->mode_info.bl_encoder);
2785 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2786 bl_level);
2787 }
2788
2789 return ret;
2790}
2791
2792static bool dce_v8_0_is_idle(void *handle)
2793{
2794 return true;
2795}
2796
2797static int dce_v8_0_wait_for_idle(void *handle)
2798{
2799 return 0;
2800}
2801
2802static int dce_v8_0_soft_reset(void *handle)
2803{
2804 u32 srbm_soft_reset = 0, tmp;
2805 struct amdgpu_device *adev = (struct amdgpu_device *)handle;
2806
2807 if (dce_v8_0_is_display_hung(adev))
2808 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2809
2810 if (srbm_soft_reset) {
2811 tmp = RREG32(mmSRBM_SOFT_RESET);
2812 tmp |= srbm_soft_reset;
2813 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2814 WREG32(mmSRBM_SOFT_RESET, tmp);
2815 tmp = RREG32(mmSRBM_SOFT_RESET);
2816
2817 udelay(50);
2818
2819 tmp &= ~srbm_soft_reset;
2820 WREG32(mmSRBM_SOFT_RESET, tmp);
2821 tmp = RREG32(mmSRBM_SOFT_RESET);
2822
2823 /* Wait a little for things to settle down */
2824 udelay(50);
2825 }
2826 return 0;
2827}
2828
2829static void dce_v8_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2830 int crtc,
2831 enum amdgpu_interrupt_state state)
2832{
2833 u32 reg_block, lb_interrupt_mask;
2834
2835 if (crtc >= adev->mode_info.num_crtc) {
2836 DRM_DEBUG("invalid crtc %d\n", crtc);
2837 return;
2838 }
2839
2840 switch (crtc) {
2841 case 0:
2842 reg_block = CRTC0_REGISTER_OFFSET;
2843 break;
2844 case 1:
2845 reg_block = CRTC1_REGISTER_OFFSET;
2846 break;
2847 case 2:
2848 reg_block = CRTC2_REGISTER_OFFSET;
2849 break;
2850 case 3:
2851 reg_block = CRTC3_REGISTER_OFFSET;
2852 break;
2853 case 4:
2854 reg_block = CRTC4_REGISTER_OFFSET;
2855 break;
2856 case 5:
2857 reg_block = CRTC5_REGISTER_OFFSET;
2858 break;
2859 default:
2860 DRM_DEBUG("invalid crtc %d\n", crtc);
2861 return;
2862 }
2863
2864 switch (state) {
2865 case AMDGPU_IRQ_STATE_DISABLE:
2866 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2867 lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
2868 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2869 break;
2870 case AMDGPU_IRQ_STATE_ENABLE:
2871 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2872 lb_interrupt_mask |= LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
2873 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2874 break;
2875 default:
2876 break;
2877 }
2878}
2879
2880static void dce_v8_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2881 int crtc,
2882 enum amdgpu_interrupt_state state)
2883{
2884 u32 reg_block, lb_interrupt_mask;
2885
2886 if (crtc >= adev->mode_info.num_crtc) {
2887 DRM_DEBUG("invalid crtc %d\n", crtc);
2888 return;
2889 }
2890
2891 switch (crtc) {
2892 case 0:
2893 reg_block = CRTC0_REGISTER_OFFSET;
2894 break;
2895 case 1:
2896 reg_block = CRTC1_REGISTER_OFFSET;
2897 break;
2898 case 2:
2899 reg_block = CRTC2_REGISTER_OFFSET;
2900 break;
2901 case 3:
2902 reg_block = CRTC3_REGISTER_OFFSET;
2903 break;
2904 case 4:
2905 reg_block = CRTC4_REGISTER_OFFSET;
2906 break;
2907 case 5:
2908 reg_block = CRTC5_REGISTER_OFFSET;
2909 break;
2910 default:
2911 DRM_DEBUG("invalid crtc %d\n", crtc);
2912 return;
2913 }
2914
2915 switch (state) {
2916 case AMDGPU_IRQ_STATE_DISABLE:
2917 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2918 lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
2919 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2920 break;
2921 case AMDGPU_IRQ_STATE_ENABLE:
2922 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2923 lb_interrupt_mask |= LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
2924 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2925 break;
2926 default:
2927 break;
2928 }
2929}
2930
2931static int dce_v8_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2932 struct amdgpu_irq_src *src,
2933 unsigned type,
2934 enum amdgpu_interrupt_state state)
2935{
2936 u32 dc_hpd_int_cntl;
2937
2938 if (type >= adev->mode_info.num_hpd) {
2939 DRM_DEBUG("invalid hdp %d\n", type);
2940 return 0;
2941 }
2942
2943 switch (state) {
2944 case AMDGPU_IRQ_STATE_DISABLE:
2945 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2946 dc_hpd_int_cntl &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
2947 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2948 break;
2949 case AMDGPU_IRQ_STATE_ENABLE:
2950 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
2951 dc_hpd_int_cntl |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
2952 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
2953 break;
2954 default:
2955 break;
2956 }
2957
2958 return 0;
2959}
2960
2961static int dce_v8_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
2962 struct amdgpu_irq_src *src,
2963 unsigned type,
2964 enum amdgpu_interrupt_state state)
2965{
2966 switch (type) {
2967 case AMDGPU_CRTC_IRQ_VBLANK1:
2968 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 0, state);
2969 break;
2970 case AMDGPU_CRTC_IRQ_VBLANK2:
2971 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 1, state);
2972 break;
2973 case AMDGPU_CRTC_IRQ_VBLANK3:
2974 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 2, state);
2975 break;
2976 case AMDGPU_CRTC_IRQ_VBLANK4:
2977 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 3, state);
2978 break;
2979 case AMDGPU_CRTC_IRQ_VBLANK5:
2980 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 4, state);
2981 break;
2982 case AMDGPU_CRTC_IRQ_VBLANK6:
2983 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 5, state);
2984 break;
2985 case AMDGPU_CRTC_IRQ_VLINE1:
2986 dce_v8_0_set_crtc_vline_interrupt_state(adev, 0, state);
2987 break;
2988 case AMDGPU_CRTC_IRQ_VLINE2:
2989 dce_v8_0_set_crtc_vline_interrupt_state(adev, 1, state);
2990 break;
2991 case AMDGPU_CRTC_IRQ_VLINE3:
2992 dce_v8_0_set_crtc_vline_interrupt_state(adev, 2, state);
2993 break;
2994 case AMDGPU_CRTC_IRQ_VLINE4:
2995 dce_v8_0_set_crtc_vline_interrupt_state(adev, 3, state);
2996 break;
2997 case AMDGPU_CRTC_IRQ_VLINE5:
2998 dce_v8_0_set_crtc_vline_interrupt_state(adev, 4, state);
2999 break;
3000 case AMDGPU_CRTC_IRQ_VLINE6:
3001 dce_v8_0_set_crtc_vline_interrupt_state(adev, 5, state);
3002 break;
3003 default:
3004 break;
3005 }
3006 return 0;
3007}
3008
3009static int dce_v8_0_crtc_irq(struct amdgpu_device *adev,
3010 struct amdgpu_irq_src *source,
3011 struct amdgpu_iv_entry *entry)
3012{
3013 unsigned crtc = entry->src_id - 1;
3014 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3015 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3016 crtc);
3017
3018 switch (entry->src_data[0]) {
3019 case 0: /* vblank */
3020 if (disp_int & interrupt_status_offsets[crtc].vblank)
3021 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], LB_VBLANK_STATUS__VBLANK_ACK_MASK);
3022 else
3023 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3024
3025 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3026 drm_handle_vblank(adev->ddev, crtc);
3027 }
3028 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3029 break;
3030 case 1: /* vline */
3031 if (disp_int & interrupt_status_offsets[crtc].vline)
3032 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], LB_VLINE_STATUS__VLINE_ACK_MASK);
3033 else
3034 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3035
3036 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3037 break;
3038 default:
3039 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3040 break;
3041 }
3042
3043 return 0;
3044}
3045
3046static int dce_v8_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3047 struct amdgpu_irq_src *src,
3048 unsigned type,
3049 enum amdgpu_interrupt_state state)
3050{
3051 u32 reg;
3052
3053 if (type >= adev->mode_info.num_crtc) {
3054 DRM_ERROR("invalid pageflip crtc %d\n", type);
3055 return -EINVAL;
3056 }
3057
3058 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3059 if (state == AMDGPU_IRQ_STATE_DISABLE)
3060 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3061 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3062 else
3063 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3064 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3065
3066 return 0;
3067}
3068
3069static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev,
3070 struct amdgpu_irq_src *source,
3071 struct amdgpu_iv_entry *entry)
3072{
3073 unsigned long flags;
3074 unsigned crtc_id;
3075 struct amdgpu_crtc *amdgpu_crtc;
3076 struct amdgpu_flip_work *works;
3077
3078 crtc_id = (entry->src_id - 8) >> 1;
3079 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3080
3081 if (crtc_id >= adev->mode_info.num_crtc) {
3082 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3083 return -EINVAL;
3084 }
3085
3086 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3087 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3088 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3089 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3090
3091 /* IRQ could occur when in initial stage */
3092 if (amdgpu_crtc == NULL)
3093 return 0;
3094
3095 spin_lock_irqsave(&adev->ddev->event_lock, flags);
3096 works = amdgpu_crtc->pflip_works;
3097 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED){
3098 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3099 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3100 amdgpu_crtc->pflip_status,
3101 AMDGPU_FLIP_SUBMITTED);
3102 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3103 return 0;
3104 }
3105
3106 /* page flip completed. clean up */
3107 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3108 amdgpu_crtc->pflip_works = NULL;
3109
3110 /* wakeup usersapce */
3111 if (works->event)
3112 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3113
3114 spin_unlock_irqrestore(&adev->ddev->event_lock, flags);
3115
3116 drm_crtc_vblank_put(&amdgpu_crtc->base);
3117 schedule_work(&works->unpin_work);
3118
3119 return 0;
3120}
3121
3122static int dce_v8_0_hpd_irq(struct amdgpu_device *adev,
3123 struct amdgpu_irq_src *source,
3124 struct amdgpu_iv_entry *entry)
3125{
3126 uint32_t disp_int, mask, tmp;
3127 unsigned hpd;
3128
3129 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3130 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3131 return 0;
3132 }
3133
3134 hpd = entry->src_data[0];
3135 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3136 mask = interrupt_status_offsets[hpd].hpd;
3137
3138 if (disp_int & mask) {
3139 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
3140 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
3141 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
3142 schedule_work(&adev->hotplug_work);
3143 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3144 }
3145
3146 return 0;
3147
3148}
3149
3150static int dce_v8_0_set_clockgating_state(void *handle,
3151 enum amd_clockgating_state state)
3152{
3153 return 0;
3154}
3155
3156static int dce_v8_0_set_powergating_state(void *handle,
3157 enum amd_powergating_state state)
3158{
3159 return 0;
3160}
3161
3162static const struct amd_ip_funcs dce_v8_0_ip_funcs = {
3163 .name = "dce_v8_0",
3164 .early_init = dce_v8_0_early_init,
3165 .late_init = NULL,
3166 .sw_init = dce_v8_0_sw_init,
3167 .sw_fini = dce_v8_0_sw_fini,
3168 .hw_init = dce_v8_0_hw_init,
3169 .hw_fini = dce_v8_0_hw_fini,
3170 .suspend = dce_v8_0_suspend,
3171 .resume = dce_v8_0_resume,
3172 .is_idle = dce_v8_0_is_idle,
3173 .wait_for_idle = dce_v8_0_wait_for_idle,
3174 .soft_reset = dce_v8_0_soft_reset,
3175 .set_clockgating_state = dce_v8_0_set_clockgating_state,
3176 .set_powergating_state = dce_v8_0_set_powergating_state,
3177};
3178
3179static void
3180dce_v8_0_encoder_mode_set(struct drm_encoder *encoder,
3181 struct drm_display_mode *mode,
3182 struct drm_display_mode *adjusted_mode)
3183{
3184 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3185
3186 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3187
3188 /* need to call this here rather than in prepare() since we need some crtc info */
3189 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3190
3191 /* set scaler clears this on some chips */
3192 dce_v8_0_set_interleave(encoder->crtc, mode);
3193
3194 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3195 dce_v8_0_afmt_enable(encoder, true);
3196 dce_v8_0_afmt_setmode(encoder, adjusted_mode);
3197 }
3198}
3199
3200static void dce_v8_0_encoder_prepare(struct drm_encoder *encoder)
3201{
3202 struct amdgpu_device *adev = encoder->dev->dev_private;
3203 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3204 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3205
3206 if ((amdgpu_encoder->active_device &
3207 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3208 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3209 ENCODER_OBJECT_ID_NONE)) {
3210 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3211 if (dig) {
3212 dig->dig_encoder = dce_v8_0_pick_dig_encoder(encoder);
3213 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3214 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3215 }
3216 }
3217
3218 amdgpu_atombios_scratch_regs_lock(adev, true);
3219
3220 if (connector) {
3221 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3222
3223 /* select the clock/data port if it uses a router */
3224 if (amdgpu_connector->router.cd_valid)
3225 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3226
3227 /* turn eDP panel on for mode set */
3228 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3229 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3230 ATOM_TRANSMITTER_ACTION_POWER_ON);
3231 }
3232
3233 /* this is needed for the pll/ss setup to work correctly in some cases */
3234 amdgpu_atombios_encoder_set_crtc_source(encoder);
3235 /* set up the FMT blocks */
3236 dce_v8_0_program_fmt(encoder);
3237}
3238
3239static void dce_v8_0_encoder_commit(struct drm_encoder *encoder)
3240{
3241 struct drm_device *dev = encoder->dev;
3242 struct amdgpu_device *adev = dev->dev_private;
3243
3244 /* need to call this here as we need the crtc set up */
3245 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3246 amdgpu_atombios_scratch_regs_lock(adev, false);
3247}
3248
3249static void dce_v8_0_encoder_disable(struct drm_encoder *encoder)
3250{
3251 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3252 struct amdgpu_encoder_atom_dig *dig;
3253
3254 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3255
3256 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3257 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3258 dce_v8_0_afmt_enable(encoder, false);
3259 dig = amdgpu_encoder->enc_priv;
3260 dig->dig_encoder = -1;
3261 }
3262 amdgpu_encoder->active_device = 0;
3263}
3264
3265/* these are handled by the primary encoders */
3266static void dce_v8_0_ext_prepare(struct drm_encoder *encoder)
3267{
3268
3269}
3270
3271static void dce_v8_0_ext_commit(struct drm_encoder *encoder)
3272{
3273
3274}
3275
3276static void
3277dce_v8_0_ext_mode_set(struct drm_encoder *encoder,
3278 struct drm_display_mode *mode,
3279 struct drm_display_mode *adjusted_mode)
3280{
3281
3282}
3283
3284static void dce_v8_0_ext_disable(struct drm_encoder *encoder)
3285{
3286
3287}
3288
3289static void
3290dce_v8_0_ext_dpms(struct drm_encoder *encoder, int mode)
3291{
3292
3293}
3294
3295static const struct drm_encoder_helper_funcs dce_v8_0_ext_helper_funcs = {
3296 .dpms = dce_v8_0_ext_dpms,
3297 .prepare = dce_v8_0_ext_prepare,
3298 .mode_set = dce_v8_0_ext_mode_set,
3299 .commit = dce_v8_0_ext_commit,
3300 .disable = dce_v8_0_ext_disable,
3301 /* no detect for TMDS/LVDS yet */
3302};
3303
3304static const struct drm_encoder_helper_funcs dce_v8_0_dig_helper_funcs = {
3305 .dpms = amdgpu_atombios_encoder_dpms,
3306 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3307 .prepare = dce_v8_0_encoder_prepare,
3308 .mode_set = dce_v8_0_encoder_mode_set,
3309 .commit = dce_v8_0_encoder_commit,
3310 .disable = dce_v8_0_encoder_disable,
3311 .detect = amdgpu_atombios_encoder_dig_detect,
3312};
3313
3314static const struct drm_encoder_helper_funcs dce_v8_0_dac_helper_funcs = {
3315 .dpms = amdgpu_atombios_encoder_dpms,
3316 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3317 .prepare = dce_v8_0_encoder_prepare,
3318 .mode_set = dce_v8_0_encoder_mode_set,
3319 .commit = dce_v8_0_encoder_commit,
3320 .detect = amdgpu_atombios_encoder_dac_detect,
3321};
3322
3323static void dce_v8_0_encoder_destroy(struct drm_encoder *encoder)
3324{
3325 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3326 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3327 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3328 kfree(amdgpu_encoder->enc_priv);
3329 drm_encoder_cleanup(encoder);
3330 kfree(amdgpu_encoder);
3331}
3332
3333static const struct drm_encoder_funcs dce_v8_0_encoder_funcs = {
3334 .destroy = dce_v8_0_encoder_destroy,
3335};
3336
3337static void dce_v8_0_encoder_add(struct amdgpu_device *adev,
3338 uint32_t encoder_enum,
3339 uint32_t supported_device,
3340 u16 caps)
3341{
3342 struct drm_device *dev = adev->ddev;
3343 struct drm_encoder *encoder;
3344 struct amdgpu_encoder *amdgpu_encoder;
3345
3346 /* see if we already added it */
3347 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3348 amdgpu_encoder = to_amdgpu_encoder(encoder);
3349 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3350 amdgpu_encoder->devices |= supported_device;
3351 return;
3352 }
3353
3354 }
3355
3356 /* add a new one */
3357 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3358 if (!amdgpu_encoder)
3359 return;
3360
3361 encoder = &amdgpu_encoder->base;
3362 switch (adev->mode_info.num_crtc) {
3363 case 1:
3364 encoder->possible_crtcs = 0x1;
3365 break;
3366 case 2:
3367 default:
3368 encoder->possible_crtcs = 0x3;
3369 break;
3370 case 4:
3371 encoder->possible_crtcs = 0xf;
3372 break;
3373 case 6:
3374 encoder->possible_crtcs = 0x3f;
3375 break;
3376 }
3377
3378 amdgpu_encoder->enc_priv = NULL;
3379
3380 amdgpu_encoder->encoder_enum = encoder_enum;
3381 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3382 amdgpu_encoder->devices = supported_device;
3383 amdgpu_encoder->rmx_type = RMX_OFF;
3384 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3385 amdgpu_encoder->is_ext_encoder = false;
3386 amdgpu_encoder->caps = caps;
3387
3388 switch (amdgpu_encoder->encoder_id) {
3389 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3390 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3391 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3392 DRM_MODE_ENCODER_DAC, NULL);
3393 drm_encoder_helper_add(encoder, &dce_v8_0_dac_helper_funcs);
3394 break;
3395 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3396 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3397 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3398 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3399 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3400 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3401 amdgpu_encoder->rmx_type = RMX_FULL;
3402 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3403 DRM_MODE_ENCODER_LVDS, NULL);
3404 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3405 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3406 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3407 DRM_MODE_ENCODER_DAC, NULL);
3408 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3409 } else {
3410 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3411 DRM_MODE_ENCODER_TMDS, NULL);
3412 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3413 }
3414 drm_encoder_helper_add(encoder, &dce_v8_0_dig_helper_funcs);
3415 break;
3416 case ENCODER_OBJECT_ID_SI170B:
3417 case ENCODER_OBJECT_ID_CH7303:
3418 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3419 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3420 case ENCODER_OBJECT_ID_TITFP513:
3421 case ENCODER_OBJECT_ID_VT1623:
3422 case ENCODER_OBJECT_ID_HDMI_SI1930:
3423 case ENCODER_OBJECT_ID_TRAVIS:
3424 case ENCODER_OBJECT_ID_NUTMEG:
3425 /* these are handled by the primary encoders */
3426 amdgpu_encoder->is_ext_encoder = true;
3427 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3428 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3429 DRM_MODE_ENCODER_LVDS, NULL);
3430 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3431 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3432 DRM_MODE_ENCODER_DAC, NULL);
3433 else
3434 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3435 DRM_MODE_ENCODER_TMDS, NULL);
3436 drm_encoder_helper_add(encoder, &dce_v8_0_ext_helper_funcs);
3437 break;
3438 }
3439}
3440
3441static const struct amdgpu_display_funcs dce_v8_0_display_funcs = {
3442 .bandwidth_update = &dce_v8_0_bandwidth_update,
3443 .vblank_get_counter = &dce_v8_0_vblank_get_counter,
3444 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3445 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3446 .hpd_sense = &dce_v8_0_hpd_sense,
3447 .hpd_set_polarity = &dce_v8_0_hpd_set_polarity,
3448 .hpd_get_gpio_reg = &dce_v8_0_hpd_get_gpio_reg,
3449 .page_flip = &dce_v8_0_page_flip,
3450 .page_flip_get_scanoutpos = &dce_v8_0_crtc_get_scanoutpos,
3451 .add_encoder = &dce_v8_0_encoder_add,
3452 .add_connector = &amdgpu_connector_add,
3453};
3454
3455static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev)
3456{
3457 if (adev->mode_info.funcs == NULL)
3458 adev->mode_info.funcs = &dce_v8_0_display_funcs;
3459}
3460
3461static const struct amdgpu_irq_src_funcs dce_v8_0_crtc_irq_funcs = {
3462 .set = dce_v8_0_set_crtc_interrupt_state,
3463 .process = dce_v8_0_crtc_irq,
3464};
3465
3466static const struct amdgpu_irq_src_funcs dce_v8_0_pageflip_irq_funcs = {
3467 .set = dce_v8_0_set_pageflip_interrupt_state,
3468 .process = dce_v8_0_pageflip_irq,
3469};
3470
3471static const struct amdgpu_irq_src_funcs dce_v8_0_hpd_irq_funcs = {
3472 .set = dce_v8_0_set_hpd_interrupt_state,
3473 .process = dce_v8_0_hpd_irq,
3474};
3475
3476static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev)
3477{
3478 if (adev->mode_info.num_crtc > 0)
3479 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3480 else
3481 adev->crtc_irq.num_types = 0;
3482 adev->crtc_irq.funcs = &dce_v8_0_crtc_irq_funcs;
3483
3484 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3485 adev->pageflip_irq.funcs = &dce_v8_0_pageflip_irq_funcs;
3486
3487 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3488 adev->hpd_irq.funcs = &dce_v8_0_hpd_irq_funcs;
3489}
3490
3491const struct amdgpu_ip_block_version dce_v8_0_ip_block =
3492{
3493 .type = AMD_IP_BLOCK_TYPE_DCE,
3494 .major = 8,
3495 .minor = 0,
3496 .rev = 0,
3497 .funcs = &dce_v8_0_ip_funcs,
3498};
3499
3500const struct amdgpu_ip_block_version dce_v8_1_ip_block =
3501{
3502 .type = AMD_IP_BLOCK_TYPE_DCE,
3503 .major = 8,
3504 .minor = 1,
3505 .rev = 0,
3506 .funcs = &dce_v8_0_ip_funcs,
3507};
3508
3509const struct amdgpu_ip_block_version dce_v8_2_ip_block =
3510{
3511 .type = AMD_IP_BLOCK_TYPE_DCE,
3512 .major = 8,
3513 .minor = 2,
3514 .rev = 0,
3515 .funcs = &dce_v8_0_ip_funcs,
3516};
3517
3518const struct amdgpu_ip_block_version dce_v8_3_ip_block =
3519{
3520 .type = AMD_IP_BLOCK_TYPE_DCE,
3521 .major = 8,
3522 .minor = 3,
3523 .rev = 0,
3524 .funcs = &dce_v8_0_ip_funcs,
3525};
3526
3527const struct amdgpu_ip_block_version dce_v8_5_ip_block =
3528{
3529 .type = AMD_IP_BLOCK_TYPE_DCE,
3530 .major = 8,
3531 .minor = 5,
3532 .rev = 0,
3533 .funcs = &dce_v8_0_ip_funcs,
3534};
1/*
2 * Copyright 2014 Advanced Micro Devices, Inc.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
13 *
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
21 *
22 */
23
24#include <drm/drm_edid.h>
25#include <drm/drm_fourcc.h>
26#include <drm/drm_modeset_helper.h>
27#include <drm/drm_modeset_helper_vtables.h>
28#include <drm/drm_vblank.h>
29
30#include "amdgpu.h"
31#include "amdgpu_pm.h"
32#include "amdgpu_i2c.h"
33#include "cikd.h"
34#include "atom.h"
35#include "amdgpu_atombios.h"
36#include "atombios_crtc.h"
37#include "atombios_encoders.h"
38#include "amdgpu_pll.h"
39#include "amdgpu_connectors.h"
40#include "amdgpu_display.h"
41#include "dce_v8_0.h"
42
43#include "dce/dce_8_0_d.h"
44#include "dce/dce_8_0_sh_mask.h"
45
46#include "gca/gfx_7_2_enum.h"
47
48#include "gmc/gmc_7_1_d.h"
49#include "gmc/gmc_7_1_sh_mask.h"
50
51#include "oss/oss_2_0_d.h"
52#include "oss/oss_2_0_sh_mask.h"
53
54static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev);
55static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev);
56
57static const u32 crtc_offsets[6] = {
58 CRTC0_REGISTER_OFFSET,
59 CRTC1_REGISTER_OFFSET,
60 CRTC2_REGISTER_OFFSET,
61 CRTC3_REGISTER_OFFSET,
62 CRTC4_REGISTER_OFFSET,
63 CRTC5_REGISTER_OFFSET
64};
65
66static const u32 hpd_offsets[] = {
67 HPD0_REGISTER_OFFSET,
68 HPD1_REGISTER_OFFSET,
69 HPD2_REGISTER_OFFSET,
70 HPD3_REGISTER_OFFSET,
71 HPD4_REGISTER_OFFSET,
72 HPD5_REGISTER_OFFSET
73};
74
75static const uint32_t dig_offsets[] = {
76 CRTC0_REGISTER_OFFSET,
77 CRTC1_REGISTER_OFFSET,
78 CRTC2_REGISTER_OFFSET,
79 CRTC3_REGISTER_OFFSET,
80 CRTC4_REGISTER_OFFSET,
81 CRTC5_REGISTER_OFFSET,
82 (0x13830 - 0x7030) >> 2,
83};
84
85static const struct {
86 uint32_t reg;
87 uint32_t vblank;
88 uint32_t vline;
89 uint32_t hpd;
90
91} interrupt_status_offsets[6] = { {
92 .reg = mmDISP_INTERRUPT_STATUS,
93 .vblank = DISP_INTERRUPT_STATUS__LB_D1_VBLANK_INTERRUPT_MASK,
94 .vline = DISP_INTERRUPT_STATUS__LB_D1_VLINE_INTERRUPT_MASK,
95 .hpd = DISP_INTERRUPT_STATUS__DC_HPD1_INTERRUPT_MASK
96}, {
97 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE,
98 .vblank = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VBLANK_INTERRUPT_MASK,
99 .vline = DISP_INTERRUPT_STATUS_CONTINUE__LB_D2_VLINE_INTERRUPT_MASK,
100 .hpd = DISP_INTERRUPT_STATUS_CONTINUE__DC_HPD2_INTERRUPT_MASK
101}, {
102 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE2,
103 .vblank = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VBLANK_INTERRUPT_MASK,
104 .vline = DISP_INTERRUPT_STATUS_CONTINUE2__LB_D3_VLINE_INTERRUPT_MASK,
105 .hpd = DISP_INTERRUPT_STATUS_CONTINUE2__DC_HPD3_INTERRUPT_MASK
106}, {
107 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE3,
108 .vblank = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VBLANK_INTERRUPT_MASK,
109 .vline = DISP_INTERRUPT_STATUS_CONTINUE3__LB_D4_VLINE_INTERRUPT_MASK,
110 .hpd = DISP_INTERRUPT_STATUS_CONTINUE3__DC_HPD4_INTERRUPT_MASK
111}, {
112 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE4,
113 .vblank = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VBLANK_INTERRUPT_MASK,
114 .vline = DISP_INTERRUPT_STATUS_CONTINUE4__LB_D5_VLINE_INTERRUPT_MASK,
115 .hpd = DISP_INTERRUPT_STATUS_CONTINUE4__DC_HPD5_INTERRUPT_MASK
116}, {
117 .reg = mmDISP_INTERRUPT_STATUS_CONTINUE5,
118 .vblank = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VBLANK_INTERRUPT_MASK,
119 .vline = DISP_INTERRUPT_STATUS_CONTINUE5__LB_D6_VLINE_INTERRUPT_MASK,
120 .hpd = DISP_INTERRUPT_STATUS_CONTINUE5__DC_HPD6_INTERRUPT_MASK
121} };
122
123static u32 dce_v8_0_audio_endpt_rreg(struct amdgpu_device *adev,
124 u32 block_offset, u32 reg)
125{
126 unsigned long flags;
127 u32 r;
128
129 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
130 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
131 r = RREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset);
132 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
133
134 return r;
135}
136
137static void dce_v8_0_audio_endpt_wreg(struct amdgpu_device *adev,
138 u32 block_offset, u32 reg, u32 v)
139{
140 unsigned long flags;
141
142 spin_lock_irqsave(&adev->audio_endpt_idx_lock, flags);
143 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_INDEX + block_offset, reg);
144 WREG32(mmAZALIA_F0_CODEC_ENDPOINT_DATA + block_offset, v);
145 spin_unlock_irqrestore(&adev->audio_endpt_idx_lock, flags);
146}
147
148static u32 dce_v8_0_vblank_get_counter(struct amdgpu_device *adev, int crtc)
149{
150 if (crtc >= adev->mode_info.num_crtc)
151 return 0;
152 else
153 return RREG32(mmCRTC_STATUS_FRAME_COUNT + crtc_offsets[crtc]);
154}
155
156static void dce_v8_0_pageflip_interrupt_init(struct amdgpu_device *adev)
157{
158 unsigned i;
159
160 /* Enable pflip interrupts */
161 for (i = 0; i < adev->mode_info.num_crtc; i++)
162 amdgpu_irq_get(adev, &adev->pageflip_irq, i);
163}
164
165static void dce_v8_0_pageflip_interrupt_fini(struct amdgpu_device *adev)
166{
167 unsigned i;
168
169 /* Disable pflip interrupts */
170 for (i = 0; i < adev->mode_info.num_crtc; i++)
171 amdgpu_irq_put(adev, &adev->pageflip_irq, i);
172}
173
174/**
175 * dce_v8_0_page_flip - pageflip callback.
176 *
177 * @adev: amdgpu_device pointer
178 * @crtc_id: crtc to cleanup pageflip on
179 * @crtc_base: new address of the crtc (GPU MC address)
180 * @async: asynchronous flip
181 *
182 * Triggers the actual pageflip by updating the primary
183 * surface base address.
184 */
185static void dce_v8_0_page_flip(struct amdgpu_device *adev,
186 int crtc_id, u64 crtc_base, bool async)
187{
188 struct amdgpu_crtc *amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
189 struct drm_framebuffer *fb = amdgpu_crtc->base.primary->fb;
190
191 /* flip at hsync for async, default is vsync */
192 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, async ?
193 GRPH_FLIP_CONTROL__GRPH_SURFACE_UPDATE_H_RETRACE_EN_MASK : 0);
194 /* update pitch */
195 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset,
196 fb->pitches[0] / fb->format->cpp[0]);
197 /* update the primary scanout addresses */
198 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
199 upper_32_bits(crtc_base));
200 /* writing to the low address triggers the update */
201 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
202 lower_32_bits(crtc_base));
203 /* post the write */
204 RREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset);
205}
206
207static int dce_v8_0_crtc_get_scanoutpos(struct amdgpu_device *adev, int crtc,
208 u32 *vbl, u32 *position)
209{
210 if ((crtc < 0) || (crtc >= adev->mode_info.num_crtc))
211 return -EINVAL;
212
213 *vbl = RREG32(mmCRTC_V_BLANK_START_END + crtc_offsets[crtc]);
214 *position = RREG32(mmCRTC_STATUS_POSITION + crtc_offsets[crtc]);
215
216 return 0;
217}
218
219/**
220 * dce_v8_0_hpd_sense - hpd sense callback.
221 *
222 * @adev: amdgpu_device pointer
223 * @hpd: hpd (hotplug detect) pin
224 *
225 * Checks if a digital monitor is connected (evergreen+).
226 * Returns true if connected, false if not connected.
227 */
228static bool dce_v8_0_hpd_sense(struct amdgpu_device *adev,
229 enum amdgpu_hpd_id hpd)
230{
231 bool connected = false;
232
233 if (hpd >= adev->mode_info.num_hpd)
234 return connected;
235
236 if (RREG32(mmDC_HPD1_INT_STATUS + hpd_offsets[hpd]) &
237 DC_HPD1_INT_STATUS__DC_HPD1_SENSE_MASK)
238 connected = true;
239
240 return connected;
241}
242
243/**
244 * dce_v8_0_hpd_set_polarity - hpd set polarity callback.
245 *
246 * @adev: amdgpu_device pointer
247 * @hpd: hpd (hotplug detect) pin
248 *
249 * Set the polarity of the hpd pin (evergreen+).
250 */
251static void dce_v8_0_hpd_set_polarity(struct amdgpu_device *adev,
252 enum amdgpu_hpd_id hpd)
253{
254 u32 tmp;
255 bool connected = dce_v8_0_hpd_sense(adev, hpd);
256
257 if (hpd >= adev->mode_info.num_hpd)
258 return;
259
260 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
261 if (connected)
262 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
263 else
264 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_POLARITY_MASK;
265 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
266}
267
268static void dce_v8_0_hpd_int_ack(struct amdgpu_device *adev,
269 int hpd)
270{
271 u32 tmp;
272
273 if (hpd >= adev->mode_info.num_hpd) {
274 DRM_DEBUG("invalid hdp %d\n", hpd);
275 return;
276 }
277
278 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd]);
279 tmp |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_ACK_MASK;
280 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[hpd], tmp);
281}
282
283/**
284 * dce_v8_0_hpd_init - hpd setup callback.
285 *
286 * @adev: amdgpu_device pointer
287 *
288 * Setup the hpd pins used by the card (evergreen+).
289 * Enable the pin, set the polarity, and enable the hpd interrupts.
290 */
291static void dce_v8_0_hpd_init(struct amdgpu_device *adev)
292{
293 struct drm_device *dev = adev_to_drm(adev);
294 struct drm_connector *connector;
295 struct drm_connector_list_iter iter;
296 u32 tmp;
297
298 drm_connector_list_iter_begin(dev, &iter);
299 drm_for_each_connector_iter(connector, &iter) {
300 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
301
302 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
303 continue;
304
305 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
306 tmp |= DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
307 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
308
309 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP ||
310 connector->connector_type == DRM_MODE_CONNECTOR_LVDS) {
311 /* don't try to enable hpd on eDP or LVDS avoid breaking the
312 * aux dp channel on imac and help (but not completely fix)
313 * https://bugzilla.redhat.com/show_bug.cgi?id=726143
314 * also avoid interrupt storms during dpms.
315 */
316 tmp = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
317 tmp &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
318 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
319 continue;
320 }
321
322 dce_v8_0_hpd_int_ack(adev, amdgpu_connector->hpd.hpd);
323 dce_v8_0_hpd_set_polarity(adev, amdgpu_connector->hpd.hpd);
324 amdgpu_irq_get(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
325 }
326 drm_connector_list_iter_end(&iter);
327}
328
329/**
330 * dce_v8_0_hpd_fini - hpd tear down callback.
331 *
332 * @adev: amdgpu_device pointer
333 *
334 * Tear down the hpd pins used by the card (evergreen+).
335 * Disable the hpd interrupts.
336 */
337static void dce_v8_0_hpd_fini(struct amdgpu_device *adev)
338{
339 struct drm_device *dev = adev_to_drm(adev);
340 struct drm_connector *connector;
341 struct drm_connector_list_iter iter;
342 u32 tmp;
343
344 drm_connector_list_iter_begin(dev, &iter);
345 drm_for_each_connector_iter(connector, &iter) {
346 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
347
348 if (amdgpu_connector->hpd.hpd >= adev->mode_info.num_hpd)
349 continue;
350
351 tmp = RREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd]);
352 tmp &= ~DC_HPD1_CONTROL__DC_HPD1_EN_MASK;
353 WREG32(mmDC_HPD1_CONTROL + hpd_offsets[amdgpu_connector->hpd.hpd], tmp);
354
355 amdgpu_irq_put(adev, &adev->hpd_irq, amdgpu_connector->hpd.hpd);
356 }
357 drm_connector_list_iter_end(&iter);
358}
359
360static u32 dce_v8_0_hpd_get_gpio_reg(struct amdgpu_device *adev)
361{
362 return mmDC_GPIO_HPD_A;
363}
364
365static bool dce_v8_0_is_display_hung(struct amdgpu_device *adev)
366{
367 u32 crtc_hung = 0;
368 u32 crtc_status[6];
369 u32 i, j, tmp;
370
371 for (i = 0; i < adev->mode_info.num_crtc; i++) {
372 if (RREG32(mmCRTC_CONTROL + crtc_offsets[i]) & CRTC_CONTROL__CRTC_MASTER_EN_MASK) {
373 crtc_status[i] = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
374 crtc_hung |= (1 << i);
375 }
376 }
377
378 for (j = 0; j < 10; j++) {
379 for (i = 0; i < adev->mode_info.num_crtc; i++) {
380 if (crtc_hung & (1 << i)) {
381 tmp = RREG32(mmCRTC_STATUS_HV_COUNT + crtc_offsets[i]);
382 if (tmp != crtc_status[i])
383 crtc_hung &= ~(1 << i);
384 }
385 }
386 if (crtc_hung == 0)
387 return false;
388 udelay(100);
389 }
390
391 return true;
392}
393
394static void dce_v8_0_set_vga_render_state(struct amdgpu_device *adev,
395 bool render)
396{
397 u32 tmp;
398
399 /* Lockout access through VGA aperture*/
400 tmp = RREG32(mmVGA_HDP_CONTROL);
401 if (render)
402 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 0);
403 else
404 tmp = REG_SET_FIELD(tmp, VGA_HDP_CONTROL, VGA_MEMORY_DISABLE, 1);
405 WREG32(mmVGA_HDP_CONTROL, tmp);
406
407 /* disable VGA render */
408 tmp = RREG32(mmVGA_RENDER_CONTROL);
409 if (render)
410 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 1);
411 else
412 tmp = REG_SET_FIELD(tmp, VGA_RENDER_CONTROL, VGA_VSTATUS_CNTL, 0);
413 WREG32(mmVGA_RENDER_CONTROL, tmp);
414}
415
416static int dce_v8_0_get_num_crtc(struct amdgpu_device *adev)
417{
418 int num_crtc = 0;
419
420 switch (adev->asic_type) {
421 case CHIP_BONAIRE:
422 case CHIP_HAWAII:
423 num_crtc = 6;
424 break;
425 case CHIP_KAVERI:
426 num_crtc = 4;
427 break;
428 case CHIP_KABINI:
429 case CHIP_MULLINS:
430 num_crtc = 2;
431 break;
432 default:
433 num_crtc = 0;
434 }
435 return num_crtc;
436}
437
438void dce_v8_0_disable_dce(struct amdgpu_device *adev)
439{
440 /*Disable VGA render and enabled crtc, if has DCE engine*/
441 if (amdgpu_atombios_has_dce_engine_info(adev)) {
442 u32 tmp;
443 int crtc_enabled, i;
444
445 dce_v8_0_set_vga_render_state(adev, false);
446
447 /*Disable crtc*/
448 for (i = 0; i < dce_v8_0_get_num_crtc(adev); i++) {
449 crtc_enabled = REG_GET_FIELD(RREG32(mmCRTC_CONTROL + crtc_offsets[i]),
450 CRTC_CONTROL, CRTC_MASTER_EN);
451 if (crtc_enabled) {
452 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 1);
453 tmp = RREG32(mmCRTC_CONTROL + crtc_offsets[i]);
454 tmp = REG_SET_FIELD(tmp, CRTC_CONTROL, CRTC_MASTER_EN, 0);
455 WREG32(mmCRTC_CONTROL + crtc_offsets[i], tmp);
456 WREG32(mmCRTC_UPDATE_LOCK + crtc_offsets[i], 0);
457 }
458 }
459 }
460}
461
462static void dce_v8_0_program_fmt(struct drm_encoder *encoder)
463{
464 struct drm_device *dev = encoder->dev;
465 struct amdgpu_device *adev = drm_to_adev(dev);
466 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
467 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
468 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
469 int bpc = 0;
470 u32 tmp = 0;
471 enum amdgpu_connector_dither dither = AMDGPU_FMT_DITHER_DISABLE;
472
473 if (connector) {
474 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
475 bpc = amdgpu_connector_get_monitor_bpc(connector);
476 dither = amdgpu_connector->dither;
477 }
478
479 /* LVDS/eDP FMT is set up by atom */
480 if (amdgpu_encoder->devices & ATOM_DEVICE_LCD_SUPPORT)
481 return;
482
483 /* not needed for analog */
484 if ((amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1) ||
485 (amdgpu_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2))
486 return;
487
488 if (bpc == 0)
489 return;
490
491 switch (bpc) {
492 case 6:
493 if (dither == AMDGPU_FMT_DITHER_ENABLE)
494 /* XXX sort out optimal dither settings */
495 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
496 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
497 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
498 (0 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
499 else
500 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
501 (0 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
502 break;
503 case 8:
504 if (dither == AMDGPU_FMT_DITHER_ENABLE)
505 /* XXX sort out optimal dither settings */
506 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
507 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
508 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
509 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
510 (1 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
511 else
512 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
513 (1 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
514 break;
515 case 10:
516 if (dither == AMDGPU_FMT_DITHER_ENABLE)
517 /* XXX sort out optimal dither settings */
518 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_FRAME_RANDOM_ENABLE_MASK |
519 FMT_BIT_DEPTH_CONTROL__FMT_HIGHPASS_RANDOM_ENABLE_MASK |
520 FMT_BIT_DEPTH_CONTROL__FMT_RGB_RANDOM_ENABLE_MASK |
521 FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_EN_MASK |
522 (2 << FMT_BIT_DEPTH_CONTROL__FMT_SPATIAL_DITHER_DEPTH__SHIFT));
523 else
524 tmp |= (FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_EN_MASK |
525 (2 << FMT_BIT_DEPTH_CONTROL__FMT_TRUNCATE_DEPTH__SHIFT));
526 break;
527 default:
528 /* not needed */
529 break;
530 }
531
532 WREG32(mmFMT_BIT_DEPTH_CONTROL + amdgpu_crtc->crtc_offset, tmp);
533}
534
535
536/* display watermark setup */
537/**
538 * dce_v8_0_line_buffer_adjust - Set up the line buffer
539 *
540 * @adev: amdgpu_device pointer
541 * @amdgpu_crtc: the selected display controller
542 * @mode: the current display mode on the selected display
543 * controller
544 *
545 * Setup up the line buffer allocation for
546 * the selected display controller (CIK).
547 * Returns the line buffer size in pixels.
548 */
549static u32 dce_v8_0_line_buffer_adjust(struct amdgpu_device *adev,
550 struct amdgpu_crtc *amdgpu_crtc,
551 struct drm_display_mode *mode)
552{
553 u32 tmp, buffer_alloc, i;
554 u32 pipe_offset = amdgpu_crtc->crtc_id * 0x8;
555 /*
556 * Line Buffer Setup
557 * There are 6 line buffers, one for each display controllers.
558 * There are 3 partitions per LB. Select the number of partitions
559 * to enable based on the display width. For display widths larger
560 * than 4096, you need use to use 2 display controllers and combine
561 * them using the stereo blender.
562 */
563 if (amdgpu_crtc->base.enabled && mode) {
564 if (mode->crtc_hdisplay < 1920) {
565 tmp = 1;
566 buffer_alloc = 2;
567 } else if (mode->crtc_hdisplay < 2560) {
568 tmp = 2;
569 buffer_alloc = 2;
570 } else if (mode->crtc_hdisplay < 4096) {
571 tmp = 0;
572 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
573 } else {
574 DRM_DEBUG_KMS("Mode too big for LB!\n");
575 tmp = 0;
576 buffer_alloc = (adev->flags & AMD_IS_APU) ? 2 : 4;
577 }
578 } else {
579 tmp = 1;
580 buffer_alloc = 0;
581 }
582
583 WREG32(mmLB_MEMORY_CTRL + amdgpu_crtc->crtc_offset,
584 (tmp << LB_MEMORY_CTRL__LB_MEMORY_CONFIG__SHIFT) |
585 (0x6B0 << LB_MEMORY_CTRL__LB_MEMORY_SIZE__SHIFT));
586
587 WREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset,
588 (buffer_alloc << PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATED__SHIFT));
589 for (i = 0; i < adev->usec_timeout; i++) {
590 if (RREG32(mmPIPE0_DMIF_BUFFER_CONTROL + pipe_offset) &
591 PIPE0_DMIF_BUFFER_CONTROL__DMIF_BUFFERS_ALLOCATION_COMPLETED_MASK)
592 break;
593 udelay(1);
594 }
595
596 if (amdgpu_crtc->base.enabled && mode) {
597 switch (tmp) {
598 case 0:
599 default:
600 return 4096 * 2;
601 case 1:
602 return 1920 * 2;
603 case 2:
604 return 2560 * 2;
605 }
606 }
607
608 /* controller not enabled, so no lb used */
609 return 0;
610}
611
612/**
613 * cik_get_number_of_dram_channels - get the number of dram channels
614 *
615 * @adev: amdgpu_device pointer
616 *
617 * Look up the number of video ram channels (CIK).
618 * Used for display watermark bandwidth calculations
619 * Returns the number of dram channels
620 */
621static u32 cik_get_number_of_dram_channels(struct amdgpu_device *adev)
622{
623 u32 tmp = RREG32(mmMC_SHARED_CHMAP);
624
625 switch ((tmp & MC_SHARED_CHMAP__NOOFCHAN_MASK) >> MC_SHARED_CHMAP__NOOFCHAN__SHIFT) {
626 case 0:
627 default:
628 return 1;
629 case 1:
630 return 2;
631 case 2:
632 return 4;
633 case 3:
634 return 8;
635 case 4:
636 return 3;
637 case 5:
638 return 6;
639 case 6:
640 return 10;
641 case 7:
642 return 12;
643 case 8:
644 return 16;
645 }
646}
647
648struct dce8_wm_params {
649 u32 dram_channels; /* number of dram channels */
650 u32 yclk; /* bandwidth per dram data pin in kHz */
651 u32 sclk; /* engine clock in kHz */
652 u32 disp_clk; /* display clock in kHz */
653 u32 src_width; /* viewport width */
654 u32 active_time; /* active display time in ns */
655 u32 blank_time; /* blank time in ns */
656 bool interlaced; /* mode is interlaced */
657 fixed20_12 vsc; /* vertical scale ratio */
658 u32 num_heads; /* number of active crtcs */
659 u32 bytes_per_pixel; /* bytes per pixel display + overlay */
660 u32 lb_size; /* line buffer allocated to pipe */
661 u32 vtaps; /* vertical scaler taps */
662};
663
664/**
665 * dce_v8_0_dram_bandwidth - get the dram bandwidth
666 *
667 * @wm: watermark calculation data
668 *
669 * Calculate the raw dram bandwidth (CIK).
670 * Used for display watermark bandwidth calculations
671 * Returns the dram bandwidth in MBytes/s
672 */
673static u32 dce_v8_0_dram_bandwidth(struct dce8_wm_params *wm)
674{
675 /* Calculate raw DRAM Bandwidth */
676 fixed20_12 dram_efficiency; /* 0.7 */
677 fixed20_12 yclk, dram_channels, bandwidth;
678 fixed20_12 a;
679
680 a.full = dfixed_const(1000);
681 yclk.full = dfixed_const(wm->yclk);
682 yclk.full = dfixed_div(yclk, a);
683 dram_channels.full = dfixed_const(wm->dram_channels * 4);
684 a.full = dfixed_const(10);
685 dram_efficiency.full = dfixed_const(7);
686 dram_efficiency.full = dfixed_div(dram_efficiency, a);
687 bandwidth.full = dfixed_mul(dram_channels, yclk);
688 bandwidth.full = dfixed_mul(bandwidth, dram_efficiency);
689
690 return dfixed_trunc(bandwidth);
691}
692
693/**
694 * dce_v8_0_dram_bandwidth_for_display - get the dram bandwidth for display
695 *
696 * @wm: watermark calculation data
697 *
698 * Calculate the dram bandwidth used for display (CIK).
699 * Used for display watermark bandwidth calculations
700 * Returns the dram bandwidth for display in MBytes/s
701 */
702static u32 dce_v8_0_dram_bandwidth_for_display(struct dce8_wm_params *wm)
703{
704 /* Calculate DRAM Bandwidth and the part allocated to display. */
705 fixed20_12 disp_dram_allocation; /* 0.3 to 0.7 */
706 fixed20_12 yclk, dram_channels, bandwidth;
707 fixed20_12 a;
708
709 a.full = dfixed_const(1000);
710 yclk.full = dfixed_const(wm->yclk);
711 yclk.full = dfixed_div(yclk, a);
712 dram_channels.full = dfixed_const(wm->dram_channels * 4);
713 a.full = dfixed_const(10);
714 disp_dram_allocation.full = dfixed_const(3); /* XXX worse case value 0.3 */
715 disp_dram_allocation.full = dfixed_div(disp_dram_allocation, a);
716 bandwidth.full = dfixed_mul(dram_channels, yclk);
717 bandwidth.full = dfixed_mul(bandwidth, disp_dram_allocation);
718
719 return dfixed_trunc(bandwidth);
720}
721
722/**
723 * dce_v8_0_data_return_bandwidth - get the data return bandwidth
724 *
725 * @wm: watermark calculation data
726 *
727 * Calculate the data return bandwidth used for display (CIK).
728 * Used for display watermark bandwidth calculations
729 * Returns the data return bandwidth in MBytes/s
730 */
731static u32 dce_v8_0_data_return_bandwidth(struct dce8_wm_params *wm)
732{
733 /* Calculate the display Data return Bandwidth */
734 fixed20_12 return_efficiency; /* 0.8 */
735 fixed20_12 sclk, bandwidth;
736 fixed20_12 a;
737
738 a.full = dfixed_const(1000);
739 sclk.full = dfixed_const(wm->sclk);
740 sclk.full = dfixed_div(sclk, a);
741 a.full = dfixed_const(10);
742 return_efficiency.full = dfixed_const(8);
743 return_efficiency.full = dfixed_div(return_efficiency, a);
744 a.full = dfixed_const(32);
745 bandwidth.full = dfixed_mul(a, sclk);
746 bandwidth.full = dfixed_mul(bandwidth, return_efficiency);
747
748 return dfixed_trunc(bandwidth);
749}
750
751/**
752 * dce_v8_0_dmif_request_bandwidth - get the dmif bandwidth
753 *
754 * @wm: watermark calculation data
755 *
756 * Calculate the dmif bandwidth used for display (CIK).
757 * Used for display watermark bandwidth calculations
758 * Returns the dmif bandwidth in MBytes/s
759 */
760static u32 dce_v8_0_dmif_request_bandwidth(struct dce8_wm_params *wm)
761{
762 /* Calculate the DMIF Request Bandwidth */
763 fixed20_12 disp_clk_request_efficiency; /* 0.8 */
764 fixed20_12 disp_clk, bandwidth;
765 fixed20_12 a, b;
766
767 a.full = dfixed_const(1000);
768 disp_clk.full = dfixed_const(wm->disp_clk);
769 disp_clk.full = dfixed_div(disp_clk, a);
770 a.full = dfixed_const(32);
771 b.full = dfixed_mul(a, disp_clk);
772
773 a.full = dfixed_const(10);
774 disp_clk_request_efficiency.full = dfixed_const(8);
775 disp_clk_request_efficiency.full = dfixed_div(disp_clk_request_efficiency, a);
776
777 bandwidth.full = dfixed_mul(b, disp_clk_request_efficiency);
778
779 return dfixed_trunc(bandwidth);
780}
781
782/**
783 * dce_v8_0_available_bandwidth - get the min available bandwidth
784 *
785 * @wm: watermark calculation data
786 *
787 * Calculate the min available bandwidth used for display (CIK).
788 * Used for display watermark bandwidth calculations
789 * Returns the min available bandwidth in MBytes/s
790 */
791static u32 dce_v8_0_available_bandwidth(struct dce8_wm_params *wm)
792{
793 /* Calculate the Available bandwidth. Display can use this temporarily but not in average. */
794 u32 dram_bandwidth = dce_v8_0_dram_bandwidth(wm);
795 u32 data_return_bandwidth = dce_v8_0_data_return_bandwidth(wm);
796 u32 dmif_req_bandwidth = dce_v8_0_dmif_request_bandwidth(wm);
797
798 return min(dram_bandwidth, min(data_return_bandwidth, dmif_req_bandwidth));
799}
800
801/**
802 * dce_v8_0_average_bandwidth - get the average available bandwidth
803 *
804 * @wm: watermark calculation data
805 *
806 * Calculate the average available bandwidth used for display (CIK).
807 * Used for display watermark bandwidth calculations
808 * Returns the average available bandwidth in MBytes/s
809 */
810static u32 dce_v8_0_average_bandwidth(struct dce8_wm_params *wm)
811{
812 /* Calculate the display mode Average Bandwidth
813 * DisplayMode should contain the source and destination dimensions,
814 * timing, etc.
815 */
816 fixed20_12 bpp;
817 fixed20_12 line_time;
818 fixed20_12 src_width;
819 fixed20_12 bandwidth;
820 fixed20_12 a;
821
822 a.full = dfixed_const(1000);
823 line_time.full = dfixed_const(wm->active_time + wm->blank_time);
824 line_time.full = dfixed_div(line_time, a);
825 bpp.full = dfixed_const(wm->bytes_per_pixel);
826 src_width.full = dfixed_const(wm->src_width);
827 bandwidth.full = dfixed_mul(src_width, bpp);
828 bandwidth.full = dfixed_mul(bandwidth, wm->vsc);
829 bandwidth.full = dfixed_div(bandwidth, line_time);
830
831 return dfixed_trunc(bandwidth);
832}
833
834/**
835 * dce_v8_0_latency_watermark - get the latency watermark
836 *
837 * @wm: watermark calculation data
838 *
839 * Calculate the latency watermark (CIK).
840 * Used for display watermark bandwidth calculations
841 * Returns the latency watermark in ns
842 */
843static u32 dce_v8_0_latency_watermark(struct dce8_wm_params *wm)
844{
845 /* First calculate the latency in ns */
846 u32 mc_latency = 2000; /* 2000 ns. */
847 u32 available_bandwidth = dce_v8_0_available_bandwidth(wm);
848 u32 worst_chunk_return_time = (512 * 8 * 1000) / available_bandwidth;
849 u32 cursor_line_pair_return_time = (128 * 4 * 1000) / available_bandwidth;
850 u32 dc_latency = 40000000 / wm->disp_clk; /* dc pipe latency */
851 u32 other_heads_data_return_time = ((wm->num_heads + 1) * worst_chunk_return_time) +
852 (wm->num_heads * cursor_line_pair_return_time);
853 u32 latency = mc_latency + other_heads_data_return_time + dc_latency;
854 u32 max_src_lines_per_dst_line, lb_fill_bw, line_fill_time;
855 u32 tmp, dmif_size = 12288;
856 fixed20_12 a, b, c;
857
858 if (wm->num_heads == 0)
859 return 0;
860
861 a.full = dfixed_const(2);
862 b.full = dfixed_const(1);
863 if ((wm->vsc.full > a.full) ||
864 ((wm->vsc.full > b.full) && (wm->vtaps >= 3)) ||
865 (wm->vtaps >= 5) ||
866 ((wm->vsc.full >= a.full) && wm->interlaced))
867 max_src_lines_per_dst_line = 4;
868 else
869 max_src_lines_per_dst_line = 2;
870
871 a.full = dfixed_const(available_bandwidth);
872 b.full = dfixed_const(wm->num_heads);
873 a.full = dfixed_div(a, b);
874 tmp = div_u64((u64) dmif_size * (u64) wm->disp_clk, mc_latency + 512);
875 tmp = min(dfixed_trunc(a), tmp);
876
877 lb_fill_bw = min(tmp, wm->disp_clk * wm->bytes_per_pixel / 1000);
878
879 a.full = dfixed_const(max_src_lines_per_dst_line * wm->src_width * wm->bytes_per_pixel);
880 b.full = dfixed_const(1000);
881 c.full = dfixed_const(lb_fill_bw);
882 b.full = dfixed_div(c, b);
883 a.full = dfixed_div(a, b);
884 line_fill_time = dfixed_trunc(a);
885
886 if (line_fill_time < wm->active_time)
887 return latency;
888 else
889 return latency + (line_fill_time - wm->active_time);
890
891}
892
893/**
894 * dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display - check
895 * average and available dram bandwidth
896 *
897 * @wm: watermark calculation data
898 *
899 * Check if the display average bandwidth fits in the display
900 * dram bandwidth (CIK).
901 * Used for display watermark bandwidth calculations
902 * Returns true if the display fits, false if not.
903 */
904static bool dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(struct dce8_wm_params *wm)
905{
906 if (dce_v8_0_average_bandwidth(wm) <=
907 (dce_v8_0_dram_bandwidth_for_display(wm) / wm->num_heads))
908 return true;
909 else
910 return false;
911}
912
913/**
914 * dce_v8_0_average_bandwidth_vs_available_bandwidth - check
915 * average and available bandwidth
916 *
917 * @wm: watermark calculation data
918 *
919 * Check if the display average bandwidth fits in the display
920 * available bandwidth (CIK).
921 * Used for display watermark bandwidth calculations
922 * Returns true if the display fits, false if not.
923 */
924static bool dce_v8_0_average_bandwidth_vs_available_bandwidth(struct dce8_wm_params *wm)
925{
926 if (dce_v8_0_average_bandwidth(wm) <=
927 (dce_v8_0_available_bandwidth(wm) / wm->num_heads))
928 return true;
929 else
930 return false;
931}
932
933/**
934 * dce_v8_0_check_latency_hiding - check latency hiding
935 *
936 * @wm: watermark calculation data
937 *
938 * Check latency hiding (CIK).
939 * Used for display watermark bandwidth calculations
940 * Returns true if the display fits, false if not.
941 */
942static bool dce_v8_0_check_latency_hiding(struct dce8_wm_params *wm)
943{
944 u32 lb_partitions = wm->lb_size / wm->src_width;
945 u32 line_time = wm->active_time + wm->blank_time;
946 u32 latency_tolerant_lines;
947 u32 latency_hiding;
948 fixed20_12 a;
949
950 a.full = dfixed_const(1);
951 if (wm->vsc.full > a.full)
952 latency_tolerant_lines = 1;
953 else {
954 if (lb_partitions <= (wm->vtaps + 1))
955 latency_tolerant_lines = 1;
956 else
957 latency_tolerant_lines = 2;
958 }
959
960 latency_hiding = (latency_tolerant_lines * line_time + wm->blank_time);
961
962 if (dce_v8_0_latency_watermark(wm) <= latency_hiding)
963 return true;
964 else
965 return false;
966}
967
968/**
969 * dce_v8_0_program_watermarks - program display watermarks
970 *
971 * @adev: amdgpu_device pointer
972 * @amdgpu_crtc: the selected display controller
973 * @lb_size: line buffer size
974 * @num_heads: number of display controllers in use
975 *
976 * Calculate and program the display watermarks for the
977 * selected display controller (CIK).
978 */
979static void dce_v8_0_program_watermarks(struct amdgpu_device *adev,
980 struct amdgpu_crtc *amdgpu_crtc,
981 u32 lb_size, u32 num_heads)
982{
983 struct drm_display_mode *mode = &amdgpu_crtc->base.mode;
984 struct dce8_wm_params wm_low, wm_high;
985 u32 active_time;
986 u32 line_time = 0;
987 u32 latency_watermark_a = 0, latency_watermark_b = 0;
988 u32 tmp, wm_mask, lb_vblank_lead_lines = 0;
989
990 if (amdgpu_crtc->base.enabled && num_heads && mode) {
991 active_time = (u32) div_u64((u64)mode->crtc_hdisplay * 1000000,
992 (u32)mode->clock);
993 line_time = (u32) div_u64((u64)mode->crtc_htotal * 1000000,
994 (u32)mode->clock);
995 line_time = min_t(u32, line_time, 65535);
996
997 /* watermark for high clocks */
998 if (adev->pm.dpm_enabled) {
999 wm_high.yclk =
1000 amdgpu_dpm_get_mclk(adev, false) * 10;
1001 wm_high.sclk =
1002 amdgpu_dpm_get_sclk(adev, false) * 10;
1003 } else {
1004 wm_high.yclk = adev->pm.current_mclk * 10;
1005 wm_high.sclk = adev->pm.current_sclk * 10;
1006 }
1007
1008 wm_high.disp_clk = mode->clock;
1009 wm_high.src_width = mode->crtc_hdisplay;
1010 wm_high.active_time = active_time;
1011 wm_high.blank_time = line_time - wm_high.active_time;
1012 wm_high.interlaced = false;
1013 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1014 wm_high.interlaced = true;
1015 wm_high.vsc = amdgpu_crtc->vsc;
1016 wm_high.vtaps = 1;
1017 if (amdgpu_crtc->rmx_type != RMX_OFF)
1018 wm_high.vtaps = 2;
1019 wm_high.bytes_per_pixel = 4; /* XXX: get this from fb config */
1020 wm_high.lb_size = lb_size;
1021 wm_high.dram_channels = cik_get_number_of_dram_channels(adev);
1022 wm_high.num_heads = num_heads;
1023
1024 /* set for high clocks */
1025 latency_watermark_a = min_t(u32, dce_v8_0_latency_watermark(&wm_high), 65535);
1026
1027 /* possibly force display priority to high */
1028 /* should really do this at mode validation time... */
1029 if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_high) ||
1030 !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_high) ||
1031 !dce_v8_0_check_latency_hiding(&wm_high) ||
1032 (adev->mode_info.disp_priority == 2)) {
1033 DRM_DEBUG_KMS("force priority to high\n");
1034 }
1035
1036 /* watermark for low clocks */
1037 if (adev->pm.dpm_enabled) {
1038 wm_low.yclk =
1039 amdgpu_dpm_get_mclk(adev, true) * 10;
1040 wm_low.sclk =
1041 amdgpu_dpm_get_sclk(adev, true) * 10;
1042 } else {
1043 wm_low.yclk = adev->pm.current_mclk * 10;
1044 wm_low.sclk = adev->pm.current_sclk * 10;
1045 }
1046
1047 wm_low.disp_clk = mode->clock;
1048 wm_low.src_width = mode->crtc_hdisplay;
1049 wm_low.active_time = active_time;
1050 wm_low.blank_time = line_time - wm_low.active_time;
1051 wm_low.interlaced = false;
1052 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
1053 wm_low.interlaced = true;
1054 wm_low.vsc = amdgpu_crtc->vsc;
1055 wm_low.vtaps = 1;
1056 if (amdgpu_crtc->rmx_type != RMX_OFF)
1057 wm_low.vtaps = 2;
1058 wm_low.bytes_per_pixel = 4; /* XXX: get this from fb config */
1059 wm_low.lb_size = lb_size;
1060 wm_low.dram_channels = cik_get_number_of_dram_channels(adev);
1061 wm_low.num_heads = num_heads;
1062
1063 /* set for low clocks */
1064 latency_watermark_b = min_t(u32, dce_v8_0_latency_watermark(&wm_low), 65535);
1065
1066 /* possibly force display priority to high */
1067 /* should really do this at mode validation time... */
1068 if (!dce_v8_0_average_bandwidth_vs_dram_bandwidth_for_display(&wm_low) ||
1069 !dce_v8_0_average_bandwidth_vs_available_bandwidth(&wm_low) ||
1070 !dce_v8_0_check_latency_hiding(&wm_low) ||
1071 (adev->mode_info.disp_priority == 2)) {
1072 DRM_DEBUG_KMS("force priority to high\n");
1073 }
1074 lb_vblank_lead_lines = DIV_ROUND_UP(lb_size, mode->crtc_hdisplay);
1075 }
1076
1077 /* select wm A */
1078 wm_mask = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1079 tmp = wm_mask;
1080 tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1081 tmp |= (1 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1082 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1083 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1084 ((latency_watermark_a << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1085 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1086 /* select wm B */
1087 tmp = RREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset);
1088 tmp &= ~(3 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1089 tmp |= (2 << DPG_WATERMARK_MASK_CONTROL__URGENCY_WATERMARK_MASK__SHIFT);
1090 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, tmp);
1091 WREG32(mmDPG_PIPE_URGENCY_CONTROL + amdgpu_crtc->crtc_offset,
1092 ((latency_watermark_b << DPG_PIPE_URGENCY_CONTROL__URGENCY_LOW_WATERMARK__SHIFT) |
1093 (line_time << DPG_PIPE_URGENCY_CONTROL__URGENCY_HIGH_WATERMARK__SHIFT)));
1094 /* restore original selection */
1095 WREG32(mmDPG_WATERMARK_MASK_CONTROL + amdgpu_crtc->crtc_offset, wm_mask);
1096
1097 /* save values for DPM */
1098 amdgpu_crtc->line_time = line_time;
1099 amdgpu_crtc->wm_high = latency_watermark_a;
1100 amdgpu_crtc->wm_low = latency_watermark_b;
1101 /* Save number of lines the linebuffer leads before the scanout */
1102 amdgpu_crtc->lb_vblank_lead_lines = lb_vblank_lead_lines;
1103}
1104
1105/**
1106 * dce_v8_0_bandwidth_update - program display watermarks
1107 *
1108 * @adev: amdgpu_device pointer
1109 *
1110 * Calculate and program the display watermarks and line
1111 * buffer allocation (CIK).
1112 */
1113static void dce_v8_0_bandwidth_update(struct amdgpu_device *adev)
1114{
1115 struct drm_display_mode *mode = NULL;
1116 u32 num_heads = 0, lb_size;
1117 int i;
1118
1119 amdgpu_display_update_priority(adev);
1120
1121 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1122 if (adev->mode_info.crtcs[i]->base.enabled)
1123 num_heads++;
1124 }
1125 for (i = 0; i < adev->mode_info.num_crtc; i++) {
1126 mode = &adev->mode_info.crtcs[i]->base.mode;
1127 lb_size = dce_v8_0_line_buffer_adjust(adev, adev->mode_info.crtcs[i], mode);
1128 dce_v8_0_program_watermarks(adev, adev->mode_info.crtcs[i],
1129 lb_size, num_heads);
1130 }
1131}
1132
1133static void dce_v8_0_audio_get_connected_pins(struct amdgpu_device *adev)
1134{
1135 int i;
1136 u32 offset, tmp;
1137
1138 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1139 offset = adev->mode_info.audio.pin[i].offset;
1140 tmp = RREG32_AUDIO_ENDPT(offset,
1141 ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT);
1142 if (((tmp &
1143 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY_MASK) >>
1144 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_CONFIGURATION_DEFAULT__PORT_CONNECTIVITY__SHIFT) == 1)
1145 adev->mode_info.audio.pin[i].connected = false;
1146 else
1147 adev->mode_info.audio.pin[i].connected = true;
1148 }
1149}
1150
1151static struct amdgpu_audio_pin *dce_v8_0_audio_get_pin(struct amdgpu_device *adev)
1152{
1153 int i;
1154
1155 dce_v8_0_audio_get_connected_pins(adev);
1156
1157 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1158 if (adev->mode_info.audio.pin[i].connected)
1159 return &adev->mode_info.audio.pin[i];
1160 }
1161 DRM_ERROR("No connected audio pins found!\n");
1162 return NULL;
1163}
1164
1165static void dce_v8_0_afmt_audio_select_pin(struct drm_encoder *encoder)
1166{
1167 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
1168 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1169 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1170 u32 offset;
1171
1172 if (!dig || !dig->afmt || !dig->afmt->pin)
1173 return;
1174
1175 offset = dig->afmt->offset;
1176
1177 WREG32(mmAFMT_AUDIO_SRC_CONTROL + offset,
1178 (dig->afmt->pin->id << AFMT_AUDIO_SRC_CONTROL__AFMT_AUDIO_SRC_SELECT__SHIFT));
1179}
1180
1181static void dce_v8_0_audio_write_latency_fields(struct drm_encoder *encoder,
1182 struct drm_display_mode *mode)
1183{
1184 struct drm_device *dev = encoder->dev;
1185 struct amdgpu_device *adev = drm_to_adev(dev);
1186 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1187 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1188 struct drm_connector *connector;
1189 struct drm_connector_list_iter iter;
1190 struct amdgpu_connector *amdgpu_connector = NULL;
1191 u32 tmp = 0, offset;
1192
1193 if (!dig || !dig->afmt || !dig->afmt->pin)
1194 return;
1195
1196 offset = dig->afmt->pin->offset;
1197
1198 drm_connector_list_iter_begin(dev, &iter);
1199 drm_for_each_connector_iter(connector, &iter) {
1200 if (connector->encoder == encoder) {
1201 amdgpu_connector = to_amdgpu_connector(connector);
1202 break;
1203 }
1204 }
1205 drm_connector_list_iter_end(&iter);
1206
1207 if (!amdgpu_connector) {
1208 DRM_ERROR("Couldn't find encoder's connector\n");
1209 return;
1210 }
1211
1212 if (mode->flags & DRM_MODE_FLAG_INTERLACE) {
1213 if (connector->latency_present[1])
1214 tmp =
1215 (connector->video_latency[1] <<
1216 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1217 (connector->audio_latency[1] <<
1218 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1219 else
1220 tmp =
1221 (0 <<
1222 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1223 (0 <<
1224 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1225 } else {
1226 if (connector->latency_present[0])
1227 tmp =
1228 (connector->video_latency[0] <<
1229 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1230 (connector->audio_latency[0] <<
1231 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1232 else
1233 tmp =
1234 (0 <<
1235 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__VIDEO_LIPSYNC__SHIFT) |
1236 (0 <<
1237 AZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC__AUDIO_LIPSYNC__SHIFT);
1238
1239 }
1240 WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_RESPONSE_LIPSYNC, tmp);
1241}
1242
1243static void dce_v8_0_audio_write_speaker_allocation(struct drm_encoder *encoder)
1244{
1245 struct drm_device *dev = encoder->dev;
1246 struct amdgpu_device *adev = drm_to_adev(dev);
1247 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1248 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1249 struct drm_connector *connector;
1250 struct drm_connector_list_iter iter;
1251 struct amdgpu_connector *amdgpu_connector = NULL;
1252 u32 offset, tmp;
1253 u8 *sadb = NULL;
1254 int sad_count;
1255
1256 if (!dig || !dig->afmt || !dig->afmt->pin)
1257 return;
1258
1259 offset = dig->afmt->pin->offset;
1260
1261 drm_connector_list_iter_begin(dev, &iter);
1262 drm_for_each_connector_iter(connector, &iter) {
1263 if (connector->encoder == encoder) {
1264 amdgpu_connector = to_amdgpu_connector(connector);
1265 break;
1266 }
1267 }
1268 drm_connector_list_iter_end(&iter);
1269
1270 if (!amdgpu_connector) {
1271 DRM_ERROR("Couldn't find encoder's connector\n");
1272 return;
1273 }
1274
1275 sad_count = drm_edid_to_speaker_allocation(amdgpu_connector->edid, &sadb);
1276 if (sad_count < 0) {
1277 DRM_ERROR("Couldn't read Speaker Allocation Data Block: %d\n", sad_count);
1278 sad_count = 0;
1279 }
1280
1281 /* program the speaker allocation */
1282 tmp = RREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER);
1283 tmp &= ~(AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__DP_CONNECTION_MASK |
1284 AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION_MASK);
1285 /* set HDMI mode */
1286 tmp |= AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__HDMI_CONNECTION_MASK;
1287 if (sad_count)
1288 tmp |= (sadb[0] << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT);
1289 else
1290 tmp |= (5 << AZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER__SPEAKER_ALLOCATION__SHIFT); /* stereo */
1291 WREG32_AUDIO_ENDPT(offset, ixAZALIA_F0_CODEC_PIN_CONTROL_CHANNEL_SPEAKER, tmp);
1292
1293 kfree(sadb);
1294}
1295
1296static void dce_v8_0_audio_write_sad_regs(struct drm_encoder *encoder)
1297{
1298 struct drm_device *dev = encoder->dev;
1299 struct amdgpu_device *adev = drm_to_adev(dev);
1300 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1301 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1302 u32 offset;
1303 struct drm_connector *connector;
1304 struct drm_connector_list_iter iter;
1305 struct amdgpu_connector *amdgpu_connector = NULL;
1306 struct cea_sad *sads;
1307 int i, sad_count;
1308
1309 static const u16 eld_reg_to_type[][2] = {
1310 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0, HDMI_AUDIO_CODING_TYPE_PCM },
1311 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR1, HDMI_AUDIO_CODING_TYPE_AC3 },
1312 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR2, HDMI_AUDIO_CODING_TYPE_MPEG1 },
1313 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR3, HDMI_AUDIO_CODING_TYPE_MP3 },
1314 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR4, HDMI_AUDIO_CODING_TYPE_MPEG2 },
1315 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR5, HDMI_AUDIO_CODING_TYPE_AAC_LC },
1316 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR6, HDMI_AUDIO_CODING_TYPE_DTS },
1317 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR7, HDMI_AUDIO_CODING_TYPE_ATRAC },
1318 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR9, HDMI_AUDIO_CODING_TYPE_EAC3 },
1319 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR10, HDMI_AUDIO_CODING_TYPE_DTS_HD },
1320 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR11, HDMI_AUDIO_CODING_TYPE_MLP },
1321 { ixAZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR13, HDMI_AUDIO_CODING_TYPE_WMA_PRO },
1322 };
1323
1324 if (!dig || !dig->afmt || !dig->afmt->pin)
1325 return;
1326
1327 offset = dig->afmt->pin->offset;
1328
1329 drm_connector_list_iter_begin(dev, &iter);
1330 drm_for_each_connector_iter(connector, &iter) {
1331 if (connector->encoder == encoder) {
1332 amdgpu_connector = to_amdgpu_connector(connector);
1333 break;
1334 }
1335 }
1336 drm_connector_list_iter_end(&iter);
1337
1338 if (!amdgpu_connector) {
1339 DRM_ERROR("Couldn't find encoder's connector\n");
1340 return;
1341 }
1342
1343 sad_count = drm_edid_to_sad(amdgpu_connector->edid, &sads);
1344 if (sad_count < 0)
1345 DRM_ERROR("Couldn't read SADs: %d\n", sad_count);
1346 if (sad_count <= 0)
1347 return;
1348 BUG_ON(!sads);
1349
1350 for (i = 0; i < ARRAY_SIZE(eld_reg_to_type); i++) {
1351 u32 value = 0;
1352 u8 stereo_freqs = 0;
1353 int max_channels = -1;
1354 int j;
1355
1356 for (j = 0; j < sad_count; j++) {
1357 struct cea_sad *sad = &sads[j];
1358
1359 if (sad->format == eld_reg_to_type[i][1]) {
1360 if (sad->channels > max_channels) {
1361 value = (sad->channels <<
1362 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__MAX_CHANNELS__SHIFT) |
1363 (sad->byte2 <<
1364 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__DESCRIPTOR_BYTE_2__SHIFT) |
1365 (sad->freq <<
1366 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES__SHIFT);
1367 max_channels = sad->channels;
1368 }
1369
1370 if (sad->format == HDMI_AUDIO_CODING_TYPE_PCM)
1371 stereo_freqs |= sad->freq;
1372 else
1373 break;
1374 }
1375 }
1376
1377 value |= (stereo_freqs <<
1378 AZALIA_F0_CODEC_PIN_CONTROL_AUDIO_DESCRIPTOR0__SUPPORTED_FREQUENCIES_STEREO__SHIFT);
1379
1380 WREG32_AUDIO_ENDPT(offset, eld_reg_to_type[i][0], value);
1381 }
1382
1383 kfree(sads);
1384}
1385
1386static void dce_v8_0_audio_enable(struct amdgpu_device *adev,
1387 struct amdgpu_audio_pin *pin,
1388 bool enable)
1389{
1390 if (!pin)
1391 return;
1392
1393 WREG32_AUDIO_ENDPT(pin->offset, ixAZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL,
1394 enable ? AZALIA_F0_CODEC_PIN_CONTROL_HOT_PLUG_CONTROL__AUDIO_ENABLED_MASK : 0);
1395}
1396
1397static const u32 pin_offsets[7] = {
1398 (0x1780 - 0x1780),
1399 (0x1786 - 0x1780),
1400 (0x178c - 0x1780),
1401 (0x1792 - 0x1780),
1402 (0x1798 - 0x1780),
1403 (0x179d - 0x1780),
1404 (0x17a4 - 0x1780),
1405};
1406
1407static int dce_v8_0_audio_init(struct amdgpu_device *adev)
1408{
1409 int i;
1410
1411 if (!amdgpu_audio)
1412 return 0;
1413
1414 adev->mode_info.audio.enabled = true;
1415
1416 if (adev->asic_type == CHIP_KAVERI) /* KV: 4 streams, 7 endpoints */
1417 adev->mode_info.audio.num_pins = 7;
1418 else if ((adev->asic_type == CHIP_KABINI) ||
1419 (adev->asic_type == CHIP_MULLINS)) /* KB/ML: 2 streams, 3 endpoints */
1420 adev->mode_info.audio.num_pins = 3;
1421 else if ((adev->asic_type == CHIP_BONAIRE) ||
1422 (adev->asic_type == CHIP_HAWAII))/* BN/HW: 6 streams, 7 endpoints */
1423 adev->mode_info.audio.num_pins = 7;
1424 else
1425 adev->mode_info.audio.num_pins = 3;
1426
1427 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
1428 adev->mode_info.audio.pin[i].channels = -1;
1429 adev->mode_info.audio.pin[i].rate = -1;
1430 adev->mode_info.audio.pin[i].bits_per_sample = -1;
1431 adev->mode_info.audio.pin[i].status_bits = 0;
1432 adev->mode_info.audio.pin[i].category_code = 0;
1433 adev->mode_info.audio.pin[i].connected = false;
1434 adev->mode_info.audio.pin[i].offset = pin_offsets[i];
1435 adev->mode_info.audio.pin[i].id = i;
1436 /* disable audio. it will be set up later */
1437 /* XXX remove once we switch to ip funcs */
1438 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1439 }
1440
1441 return 0;
1442}
1443
1444static void dce_v8_0_audio_fini(struct amdgpu_device *adev)
1445{
1446 int i;
1447
1448 if (!amdgpu_audio)
1449 return;
1450
1451 if (!adev->mode_info.audio.enabled)
1452 return;
1453
1454 for (i = 0; i < adev->mode_info.audio.num_pins; i++)
1455 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
1456
1457 adev->mode_info.audio.enabled = false;
1458}
1459
1460/*
1461 * update the N and CTS parameters for a given pixel clock rate
1462 */
1463static void dce_v8_0_afmt_update_ACR(struct drm_encoder *encoder, uint32_t clock)
1464{
1465 struct drm_device *dev = encoder->dev;
1466 struct amdgpu_device *adev = drm_to_adev(dev);
1467 struct amdgpu_afmt_acr acr = amdgpu_afmt_acr(clock);
1468 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1469 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1470 uint32_t offset = dig->afmt->offset;
1471
1472 WREG32(mmHDMI_ACR_32_0 + offset, (acr.cts_32khz << HDMI_ACR_32_0__HDMI_ACR_CTS_32__SHIFT));
1473 WREG32(mmHDMI_ACR_32_1 + offset, acr.n_32khz);
1474
1475 WREG32(mmHDMI_ACR_44_0 + offset, (acr.cts_44_1khz << HDMI_ACR_44_0__HDMI_ACR_CTS_44__SHIFT));
1476 WREG32(mmHDMI_ACR_44_1 + offset, acr.n_44_1khz);
1477
1478 WREG32(mmHDMI_ACR_48_0 + offset, (acr.cts_48khz << HDMI_ACR_48_0__HDMI_ACR_CTS_48__SHIFT));
1479 WREG32(mmHDMI_ACR_48_1 + offset, acr.n_48khz);
1480}
1481
1482/*
1483 * build a HDMI Video Info Frame
1484 */
1485static void dce_v8_0_afmt_update_avi_infoframe(struct drm_encoder *encoder,
1486 void *buffer, size_t size)
1487{
1488 struct drm_device *dev = encoder->dev;
1489 struct amdgpu_device *adev = drm_to_adev(dev);
1490 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1491 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1492 uint32_t offset = dig->afmt->offset;
1493 uint8_t *frame = buffer + 3;
1494 uint8_t *header = buffer;
1495
1496 WREG32(mmAFMT_AVI_INFO0 + offset,
1497 frame[0x0] | (frame[0x1] << 8) | (frame[0x2] << 16) | (frame[0x3] << 24));
1498 WREG32(mmAFMT_AVI_INFO1 + offset,
1499 frame[0x4] | (frame[0x5] << 8) | (frame[0x6] << 16) | (frame[0x7] << 24));
1500 WREG32(mmAFMT_AVI_INFO2 + offset,
1501 frame[0x8] | (frame[0x9] << 8) | (frame[0xA] << 16) | (frame[0xB] << 24));
1502 WREG32(mmAFMT_AVI_INFO3 + offset,
1503 frame[0xC] | (frame[0xD] << 8) | (header[1] << 24));
1504}
1505
1506static void dce_v8_0_audio_set_dto(struct drm_encoder *encoder, u32 clock)
1507{
1508 struct drm_device *dev = encoder->dev;
1509 struct amdgpu_device *adev = drm_to_adev(dev);
1510 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1511 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1512 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1513 u32 dto_phase = 24 * 1000;
1514 u32 dto_modulo = clock;
1515
1516 if (!dig || !dig->afmt)
1517 return;
1518
1519 /* XXX two dtos; generally use dto0 for hdmi */
1520 /* Express [24MHz / target pixel clock] as an exact rational
1521 * number (coefficient of two integer numbers. DCCG_AUDIO_DTOx_PHASE
1522 * is the numerator, DCCG_AUDIO_DTOx_MODULE is the denominator
1523 */
1524 WREG32(mmDCCG_AUDIO_DTO_SOURCE, (amdgpu_crtc->crtc_id << DCCG_AUDIO_DTO_SOURCE__DCCG_AUDIO_DTO0_SOURCE_SEL__SHIFT));
1525 WREG32(mmDCCG_AUDIO_DTO0_PHASE, dto_phase);
1526 WREG32(mmDCCG_AUDIO_DTO0_MODULE, dto_modulo);
1527}
1528
1529/*
1530 * update the info frames with the data from the current display mode
1531 */
1532static void dce_v8_0_afmt_setmode(struct drm_encoder *encoder,
1533 struct drm_display_mode *mode)
1534{
1535 struct drm_device *dev = encoder->dev;
1536 struct amdgpu_device *adev = drm_to_adev(dev);
1537 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1538 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1539 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
1540 u8 buffer[HDMI_INFOFRAME_HEADER_SIZE + HDMI_AVI_INFOFRAME_SIZE];
1541 struct hdmi_avi_infoframe frame;
1542 uint32_t offset, val;
1543 ssize_t err;
1544 int bpc = 8;
1545
1546 if (!dig || !dig->afmt)
1547 return;
1548
1549 /* Silent, r600_hdmi_enable will raise WARN for us */
1550 if (!dig->afmt->enabled)
1551 return;
1552
1553 offset = dig->afmt->offset;
1554
1555 /* hdmi deep color mode general control packets setup, if bpc > 8 */
1556 if (encoder->crtc) {
1557 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(encoder->crtc);
1558 bpc = amdgpu_crtc->bpc;
1559 }
1560
1561 /* disable audio prior to setting up hw */
1562 dig->afmt->pin = dce_v8_0_audio_get_pin(adev);
1563 dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
1564
1565 dce_v8_0_audio_set_dto(encoder, mode->clock);
1566
1567 WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
1568 HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK); /* send null packets when required */
1569
1570 WREG32(mmAFMT_AUDIO_CRC_CONTROL + offset, 0x1000);
1571
1572 val = RREG32(mmHDMI_CONTROL + offset);
1573 val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1574 val &= ~HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH_MASK;
1575
1576 switch (bpc) {
1577 case 0:
1578 case 6:
1579 case 8:
1580 case 16:
1581 default:
1582 DRM_DEBUG("%s: Disabling hdmi deep color for %d bpc.\n",
1583 connector->name, bpc);
1584 break;
1585 case 10:
1586 val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1587 val |= 1 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
1588 DRM_DEBUG("%s: Enabling hdmi deep color 30 for 10 bpc.\n",
1589 connector->name);
1590 break;
1591 case 12:
1592 val |= HDMI_CONTROL__HDMI_DEEP_COLOR_ENABLE_MASK;
1593 val |= 2 << HDMI_CONTROL__HDMI_DEEP_COLOR_DEPTH__SHIFT;
1594 DRM_DEBUG("%s: Enabling hdmi deep color 36 for 12 bpc.\n",
1595 connector->name);
1596 break;
1597 }
1598
1599 WREG32(mmHDMI_CONTROL + offset, val);
1600
1601 WREG32(mmHDMI_VBI_PACKET_CONTROL + offset,
1602 HDMI_VBI_PACKET_CONTROL__HDMI_NULL_SEND_MASK | /* send null packets when required */
1603 HDMI_VBI_PACKET_CONTROL__HDMI_GC_SEND_MASK | /* send general control packets */
1604 HDMI_VBI_PACKET_CONTROL__HDMI_GC_CONT_MASK); /* send general control packets every frame */
1605
1606 WREG32(mmHDMI_INFOFRAME_CONTROL0 + offset,
1607 HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_SEND_MASK | /* enable audio info frames (frames won't be set until audio is enabled) */
1608 HDMI_INFOFRAME_CONTROL0__HDMI_AUDIO_INFO_CONT_MASK); /* required for audio info values to be updated */
1609
1610 WREG32(mmAFMT_INFOFRAME_CONTROL0 + offset,
1611 AFMT_INFOFRAME_CONTROL0__AFMT_AUDIO_INFO_UPDATE_MASK); /* required for audio info values to be updated */
1612
1613 WREG32(mmHDMI_INFOFRAME_CONTROL1 + offset,
1614 (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AUDIO_INFO_LINE__SHIFT)); /* anything other than 0 */
1615
1616 WREG32(mmHDMI_GC + offset, 0); /* unset HDMI_GC_AVMUTE */
1617
1618 WREG32(mmHDMI_AUDIO_PACKET_CONTROL + offset,
1619 (1 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_DELAY_EN__SHIFT) | /* set the default audio delay */
1620 (3 << HDMI_AUDIO_PACKET_CONTROL__HDMI_AUDIO_PACKETS_PER_LINE__SHIFT)); /* should be suffient for all audio modes and small enough for all hblanks */
1621
1622 WREG32(mmAFMT_AUDIO_PACKET_CONTROL + offset,
1623 AFMT_AUDIO_PACKET_CONTROL__AFMT_60958_CS_UPDATE_MASK); /* allow 60958 channel status fields to be updated */
1624
1625 /* fglrx clears sth in AFMT_AUDIO_PACKET_CONTROL2 here */
1626
1627 if (bpc > 8)
1628 WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
1629 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
1630 else
1631 WREG32(mmHDMI_ACR_PACKET_CONTROL + offset,
1632 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_SOURCE_MASK | /* select SW CTS value */
1633 HDMI_ACR_PACKET_CONTROL__HDMI_ACR_AUTO_SEND_MASK); /* allow hw to sent ACR packets when required */
1634
1635 dce_v8_0_afmt_update_ACR(encoder, mode->clock);
1636
1637 WREG32(mmAFMT_60958_0 + offset,
1638 (1 << AFMT_60958_0__AFMT_60958_CS_CHANNEL_NUMBER_L__SHIFT));
1639
1640 WREG32(mmAFMT_60958_1 + offset,
1641 (2 << AFMT_60958_1__AFMT_60958_CS_CHANNEL_NUMBER_R__SHIFT));
1642
1643 WREG32(mmAFMT_60958_2 + offset,
1644 (3 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_2__SHIFT) |
1645 (4 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_3__SHIFT) |
1646 (5 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_4__SHIFT) |
1647 (6 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_5__SHIFT) |
1648 (7 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_6__SHIFT) |
1649 (8 << AFMT_60958_2__AFMT_60958_CS_CHANNEL_NUMBER_7__SHIFT));
1650
1651 dce_v8_0_audio_write_speaker_allocation(encoder);
1652
1653
1654 WREG32(mmAFMT_AUDIO_PACKET_CONTROL2 + offset,
1655 (0xff << AFMT_AUDIO_PACKET_CONTROL2__AFMT_AUDIO_CHANNEL_ENABLE__SHIFT));
1656
1657 dce_v8_0_afmt_audio_select_pin(encoder);
1658 dce_v8_0_audio_write_sad_regs(encoder);
1659 dce_v8_0_audio_write_latency_fields(encoder, mode);
1660
1661 err = drm_hdmi_avi_infoframe_from_display_mode(&frame, connector, mode);
1662 if (err < 0) {
1663 DRM_ERROR("failed to setup AVI infoframe: %zd\n", err);
1664 return;
1665 }
1666
1667 err = hdmi_avi_infoframe_pack(&frame, buffer, sizeof(buffer));
1668 if (err < 0) {
1669 DRM_ERROR("failed to pack AVI infoframe: %zd\n", err);
1670 return;
1671 }
1672
1673 dce_v8_0_afmt_update_avi_infoframe(encoder, buffer, sizeof(buffer));
1674
1675 WREG32_OR(mmHDMI_INFOFRAME_CONTROL0 + offset,
1676 HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_SEND_MASK | /* enable AVI info frames */
1677 HDMI_INFOFRAME_CONTROL0__HDMI_AVI_INFO_CONT_MASK); /* required for audio info values to be updated */
1678
1679 WREG32_P(mmHDMI_INFOFRAME_CONTROL1 + offset,
1680 (2 << HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE__SHIFT), /* anything other than 0 */
1681 ~HDMI_INFOFRAME_CONTROL1__HDMI_AVI_INFO_LINE_MASK);
1682
1683 WREG32_OR(mmAFMT_AUDIO_PACKET_CONTROL + offset,
1684 AFMT_AUDIO_PACKET_CONTROL__AFMT_AUDIO_SAMPLE_SEND_MASK); /* send audio packets */
1685
1686 WREG32(mmAFMT_RAMP_CONTROL0 + offset, 0x00FFFFFF);
1687 WREG32(mmAFMT_RAMP_CONTROL1 + offset, 0x007FFFFF);
1688 WREG32(mmAFMT_RAMP_CONTROL2 + offset, 0x00000001);
1689 WREG32(mmAFMT_RAMP_CONTROL3 + offset, 0x00000001);
1690
1691 /* enable audio after setting up hw */
1692 dce_v8_0_audio_enable(adev, dig->afmt->pin, true);
1693}
1694
1695static void dce_v8_0_afmt_enable(struct drm_encoder *encoder, bool enable)
1696{
1697 struct drm_device *dev = encoder->dev;
1698 struct amdgpu_device *adev = drm_to_adev(dev);
1699 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
1700 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
1701
1702 if (!dig || !dig->afmt)
1703 return;
1704
1705 /* Silent, r600_hdmi_enable will raise WARN for us */
1706 if (enable && dig->afmt->enabled)
1707 return;
1708 if (!enable && !dig->afmt->enabled)
1709 return;
1710
1711 if (!enable && dig->afmt->pin) {
1712 dce_v8_0_audio_enable(adev, dig->afmt->pin, false);
1713 dig->afmt->pin = NULL;
1714 }
1715
1716 dig->afmt->enabled = enable;
1717
1718 DRM_DEBUG("%sabling AFMT interface @ 0x%04X for encoder 0x%x\n",
1719 enable ? "En" : "Dis", dig->afmt->offset, amdgpu_encoder->encoder_id);
1720}
1721
1722static int dce_v8_0_afmt_init(struct amdgpu_device *adev)
1723{
1724 int i;
1725
1726 for (i = 0; i < adev->mode_info.num_dig; i++)
1727 adev->mode_info.afmt[i] = NULL;
1728
1729 /* DCE8 has audio blocks tied to DIG encoders */
1730 for (i = 0; i < adev->mode_info.num_dig; i++) {
1731 adev->mode_info.afmt[i] = kzalloc(sizeof(struct amdgpu_afmt), GFP_KERNEL);
1732 if (adev->mode_info.afmt[i]) {
1733 adev->mode_info.afmt[i]->offset = dig_offsets[i];
1734 adev->mode_info.afmt[i]->id = i;
1735 } else {
1736 int j;
1737 for (j = 0; j < i; j++) {
1738 kfree(adev->mode_info.afmt[j]);
1739 adev->mode_info.afmt[j] = NULL;
1740 }
1741 return -ENOMEM;
1742 }
1743 }
1744 return 0;
1745}
1746
1747static void dce_v8_0_afmt_fini(struct amdgpu_device *adev)
1748{
1749 int i;
1750
1751 for (i = 0; i < adev->mode_info.num_dig; i++) {
1752 kfree(adev->mode_info.afmt[i]);
1753 adev->mode_info.afmt[i] = NULL;
1754 }
1755}
1756
1757static const u32 vga_control_regs[6] = {
1758 mmD1VGA_CONTROL,
1759 mmD2VGA_CONTROL,
1760 mmD3VGA_CONTROL,
1761 mmD4VGA_CONTROL,
1762 mmD5VGA_CONTROL,
1763 mmD6VGA_CONTROL,
1764};
1765
1766static void dce_v8_0_vga_enable(struct drm_crtc *crtc, bool enable)
1767{
1768 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1769 struct drm_device *dev = crtc->dev;
1770 struct amdgpu_device *adev = drm_to_adev(dev);
1771 u32 vga_control;
1772
1773 vga_control = RREG32(vga_control_regs[amdgpu_crtc->crtc_id]) & ~1;
1774 if (enable)
1775 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control | 1);
1776 else
1777 WREG32(vga_control_regs[amdgpu_crtc->crtc_id], vga_control);
1778}
1779
1780static void dce_v8_0_grph_enable(struct drm_crtc *crtc, bool enable)
1781{
1782 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1783 struct drm_device *dev = crtc->dev;
1784 struct amdgpu_device *adev = drm_to_adev(dev);
1785
1786 if (enable)
1787 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 1);
1788 else
1789 WREG32(mmGRPH_ENABLE + amdgpu_crtc->crtc_offset, 0);
1790}
1791
1792static int dce_v8_0_crtc_do_set_base(struct drm_crtc *crtc,
1793 struct drm_framebuffer *fb,
1794 int x, int y, int atomic)
1795{
1796 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
1797 struct drm_device *dev = crtc->dev;
1798 struct amdgpu_device *adev = drm_to_adev(dev);
1799 struct drm_framebuffer *target_fb;
1800 struct drm_gem_object *obj;
1801 struct amdgpu_bo *abo;
1802 uint64_t fb_location, tiling_flags;
1803 uint32_t fb_format, fb_pitch_pixels;
1804 u32 fb_swap = (GRPH_ENDIAN_NONE << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1805 u32 pipe_config;
1806 u32 viewport_w, viewport_h;
1807 int r;
1808 bool bypass_lut = false;
1809
1810 /* no fb bound */
1811 if (!atomic && !crtc->primary->fb) {
1812 DRM_DEBUG_KMS("No FB bound\n");
1813 return 0;
1814 }
1815
1816 if (atomic)
1817 target_fb = fb;
1818 else
1819 target_fb = crtc->primary->fb;
1820
1821 /* If atomic, assume fb object is pinned & idle & fenced and
1822 * just update base pointers
1823 */
1824 obj = target_fb->obj[0];
1825 abo = gem_to_amdgpu_bo(obj);
1826 r = amdgpu_bo_reserve(abo, false);
1827 if (unlikely(r != 0))
1828 return r;
1829
1830 if (!atomic) {
1831 abo->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
1832 r = amdgpu_bo_pin(abo, AMDGPU_GEM_DOMAIN_VRAM);
1833 if (unlikely(r != 0)) {
1834 amdgpu_bo_unreserve(abo);
1835 return -EINVAL;
1836 }
1837 }
1838 fb_location = amdgpu_bo_gpu_offset(abo);
1839
1840 amdgpu_bo_get_tiling_flags(abo, &tiling_flags);
1841 amdgpu_bo_unreserve(abo);
1842
1843 pipe_config = AMDGPU_TILING_GET(tiling_flags, PIPE_CONFIG);
1844
1845 switch (target_fb->format->format) {
1846 case DRM_FORMAT_C8:
1847 fb_format = ((GRPH_DEPTH_8BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1848 (GRPH_FORMAT_INDEXED << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1849 break;
1850 case DRM_FORMAT_XRGB4444:
1851 case DRM_FORMAT_ARGB4444:
1852 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1853 (GRPH_FORMAT_ARGB4444 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1854#ifdef __BIG_ENDIAN
1855 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1856#endif
1857 break;
1858 case DRM_FORMAT_XRGB1555:
1859 case DRM_FORMAT_ARGB1555:
1860 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1861 (GRPH_FORMAT_ARGB1555 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1862#ifdef __BIG_ENDIAN
1863 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1864#endif
1865 break;
1866 case DRM_FORMAT_BGRX5551:
1867 case DRM_FORMAT_BGRA5551:
1868 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1869 (GRPH_FORMAT_BGRA5551 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1870#ifdef __BIG_ENDIAN
1871 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1872#endif
1873 break;
1874 case DRM_FORMAT_RGB565:
1875 fb_format = ((GRPH_DEPTH_16BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1876 (GRPH_FORMAT_ARGB565 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1877#ifdef __BIG_ENDIAN
1878 fb_swap = (GRPH_ENDIAN_8IN16 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1879#endif
1880 break;
1881 case DRM_FORMAT_XRGB8888:
1882 case DRM_FORMAT_ARGB8888:
1883 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1884 (GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1885#ifdef __BIG_ENDIAN
1886 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1887#endif
1888 break;
1889 case DRM_FORMAT_XRGB2101010:
1890 case DRM_FORMAT_ARGB2101010:
1891 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1892 (GRPH_FORMAT_ARGB2101010 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1893#ifdef __BIG_ENDIAN
1894 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1895#endif
1896 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1897 bypass_lut = true;
1898 break;
1899 case DRM_FORMAT_BGRX1010102:
1900 case DRM_FORMAT_BGRA1010102:
1901 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1902 (GRPH_FORMAT_BGRA1010102 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1903#ifdef __BIG_ENDIAN
1904 fb_swap = (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1905#endif
1906 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1907 bypass_lut = true;
1908 break;
1909 case DRM_FORMAT_XBGR8888:
1910 case DRM_FORMAT_ABGR8888:
1911 fb_format = ((GRPH_DEPTH_32BPP << GRPH_CONTROL__GRPH_DEPTH__SHIFT) |
1912 (GRPH_FORMAT_ARGB8888 << GRPH_CONTROL__GRPH_FORMAT__SHIFT));
1913 fb_swap = ((GRPH_RED_SEL_B << GRPH_SWAP_CNTL__GRPH_RED_CROSSBAR__SHIFT) |
1914 (GRPH_BLUE_SEL_R << GRPH_SWAP_CNTL__GRPH_BLUE_CROSSBAR__SHIFT));
1915#ifdef __BIG_ENDIAN
1916 fb_swap |= (GRPH_ENDIAN_8IN32 << GRPH_SWAP_CNTL__GRPH_ENDIAN_SWAP__SHIFT);
1917#endif
1918 break;
1919 default:
1920 DRM_ERROR("Unsupported screen format %p4cc\n",
1921 &target_fb->format->format);
1922 return -EINVAL;
1923 }
1924
1925 if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_2D_TILED_THIN1) {
1926 unsigned bankw, bankh, mtaspect, tile_split, num_banks;
1927
1928 bankw = AMDGPU_TILING_GET(tiling_flags, BANK_WIDTH);
1929 bankh = AMDGPU_TILING_GET(tiling_flags, BANK_HEIGHT);
1930 mtaspect = AMDGPU_TILING_GET(tiling_flags, MACRO_TILE_ASPECT);
1931 tile_split = AMDGPU_TILING_GET(tiling_flags, TILE_SPLIT);
1932 num_banks = AMDGPU_TILING_GET(tiling_flags, NUM_BANKS);
1933
1934 fb_format |= (num_banks << GRPH_CONTROL__GRPH_NUM_BANKS__SHIFT);
1935 fb_format |= (GRPH_ARRAY_2D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
1936 fb_format |= (tile_split << GRPH_CONTROL__GRPH_TILE_SPLIT__SHIFT);
1937 fb_format |= (bankw << GRPH_CONTROL__GRPH_BANK_WIDTH__SHIFT);
1938 fb_format |= (bankh << GRPH_CONTROL__GRPH_BANK_HEIGHT__SHIFT);
1939 fb_format |= (mtaspect << GRPH_CONTROL__GRPH_MACRO_TILE_ASPECT__SHIFT);
1940 fb_format |= (DISPLAY_MICRO_TILING << GRPH_CONTROL__GRPH_MICRO_TILE_MODE__SHIFT);
1941 } else if (AMDGPU_TILING_GET(tiling_flags, ARRAY_MODE) == ARRAY_1D_TILED_THIN1) {
1942 fb_format |= (GRPH_ARRAY_1D_TILED_THIN1 << GRPH_CONTROL__GRPH_ARRAY_MODE__SHIFT);
1943 }
1944
1945 fb_format |= (pipe_config << GRPH_CONTROL__GRPH_PIPE_CONFIG__SHIFT);
1946
1947 dce_v8_0_vga_enable(crtc, false);
1948
1949 /* Make sure surface address is updated at vertical blank rather than
1950 * horizontal blank
1951 */
1952 WREG32(mmGRPH_FLIP_CONTROL + amdgpu_crtc->crtc_offset, 0);
1953
1954 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1955 upper_32_bits(fb_location));
1956 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
1957 upper_32_bits(fb_location));
1958 WREG32(mmGRPH_PRIMARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1959 (u32)fb_location & GRPH_PRIMARY_SURFACE_ADDRESS__GRPH_PRIMARY_SURFACE_ADDRESS_MASK);
1960 WREG32(mmGRPH_SECONDARY_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
1961 (u32) fb_location & GRPH_SECONDARY_SURFACE_ADDRESS__GRPH_SECONDARY_SURFACE_ADDRESS_MASK);
1962 WREG32(mmGRPH_CONTROL + amdgpu_crtc->crtc_offset, fb_format);
1963 WREG32(mmGRPH_SWAP_CNTL + amdgpu_crtc->crtc_offset, fb_swap);
1964
1965 /*
1966 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1967 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1968 * retain the full precision throughout the pipeline.
1969 */
1970 WREG32_P(mmGRPH_LUT_10BIT_BYPASS_CONTROL + amdgpu_crtc->crtc_offset,
1971 (bypass_lut ? LUT_10BIT_BYPASS_EN : 0),
1972 ~LUT_10BIT_BYPASS_EN);
1973
1974 if (bypass_lut)
1975 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1976
1977 WREG32(mmGRPH_SURFACE_OFFSET_X + amdgpu_crtc->crtc_offset, 0);
1978 WREG32(mmGRPH_SURFACE_OFFSET_Y + amdgpu_crtc->crtc_offset, 0);
1979 WREG32(mmGRPH_X_START + amdgpu_crtc->crtc_offset, 0);
1980 WREG32(mmGRPH_Y_START + amdgpu_crtc->crtc_offset, 0);
1981 WREG32(mmGRPH_X_END + amdgpu_crtc->crtc_offset, target_fb->width);
1982 WREG32(mmGRPH_Y_END + amdgpu_crtc->crtc_offset, target_fb->height);
1983
1984 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0];
1985 WREG32(mmGRPH_PITCH + amdgpu_crtc->crtc_offset, fb_pitch_pixels);
1986
1987 dce_v8_0_grph_enable(crtc, true);
1988
1989 WREG32(mmLB_DESKTOP_HEIGHT + amdgpu_crtc->crtc_offset,
1990 target_fb->height);
1991
1992 x &= ~3;
1993 y &= ~1;
1994 WREG32(mmVIEWPORT_START + amdgpu_crtc->crtc_offset,
1995 (x << 16) | y);
1996 viewport_w = crtc->mode.hdisplay;
1997 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1998 WREG32(mmVIEWPORT_SIZE + amdgpu_crtc->crtc_offset,
1999 (viewport_w << 16) | viewport_h);
2000
2001 /* set pageflip to happen anywhere in vblank interval */
2002 WREG32(mmMASTER_UPDATE_MODE + amdgpu_crtc->crtc_offset, 0);
2003
2004 if (!atomic && fb && fb != crtc->primary->fb) {
2005 abo = gem_to_amdgpu_bo(fb->obj[0]);
2006 r = amdgpu_bo_reserve(abo, true);
2007 if (unlikely(r != 0))
2008 return r;
2009 amdgpu_bo_unpin(abo);
2010 amdgpu_bo_unreserve(abo);
2011 }
2012
2013 /* Bytes per pixel may have changed */
2014 dce_v8_0_bandwidth_update(adev);
2015
2016 return 0;
2017}
2018
2019static void dce_v8_0_set_interleave(struct drm_crtc *crtc,
2020 struct drm_display_mode *mode)
2021{
2022 struct drm_device *dev = crtc->dev;
2023 struct amdgpu_device *adev = drm_to_adev(dev);
2024 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2025
2026 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
2027 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset,
2028 LB_DATA_FORMAT__INTERLEAVE_EN__SHIFT);
2029 else
2030 WREG32(mmLB_DATA_FORMAT + amdgpu_crtc->crtc_offset, 0);
2031}
2032
2033static void dce_v8_0_crtc_load_lut(struct drm_crtc *crtc)
2034{
2035 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2036 struct drm_device *dev = crtc->dev;
2037 struct amdgpu_device *adev = drm_to_adev(dev);
2038 u16 *r, *g, *b;
2039 int i;
2040
2041 DRM_DEBUG_KMS("%d\n", amdgpu_crtc->crtc_id);
2042
2043 WREG32(mmINPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2044 ((INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_GRPH_MODE__SHIFT) |
2045 (INPUT_CSC_BYPASS << INPUT_CSC_CONTROL__INPUT_CSC_OVL_MODE__SHIFT)));
2046 WREG32(mmPRESCALE_GRPH_CONTROL + amdgpu_crtc->crtc_offset,
2047 PRESCALE_GRPH_CONTROL__GRPH_PRESCALE_BYPASS_MASK);
2048 WREG32(mmPRESCALE_OVL_CONTROL + amdgpu_crtc->crtc_offset,
2049 PRESCALE_OVL_CONTROL__OVL_PRESCALE_BYPASS_MASK);
2050 WREG32(mmINPUT_GAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2051 ((INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__GRPH_INPUT_GAMMA_MODE__SHIFT) |
2052 (INPUT_GAMMA_USE_LUT << INPUT_GAMMA_CONTROL__OVL_INPUT_GAMMA_MODE__SHIFT)));
2053
2054 WREG32(mmDC_LUT_CONTROL + amdgpu_crtc->crtc_offset, 0);
2055
2056 WREG32(mmDC_LUT_BLACK_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0);
2057 WREG32(mmDC_LUT_BLACK_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0);
2058 WREG32(mmDC_LUT_BLACK_OFFSET_RED + amdgpu_crtc->crtc_offset, 0);
2059
2060 WREG32(mmDC_LUT_WHITE_OFFSET_BLUE + amdgpu_crtc->crtc_offset, 0xffff);
2061 WREG32(mmDC_LUT_WHITE_OFFSET_GREEN + amdgpu_crtc->crtc_offset, 0xffff);
2062 WREG32(mmDC_LUT_WHITE_OFFSET_RED + amdgpu_crtc->crtc_offset, 0xffff);
2063
2064 WREG32(mmDC_LUT_RW_MODE + amdgpu_crtc->crtc_offset, 0);
2065 WREG32(mmDC_LUT_WRITE_EN_MASK + amdgpu_crtc->crtc_offset, 0x00000007);
2066
2067 WREG32(mmDC_LUT_RW_INDEX + amdgpu_crtc->crtc_offset, 0);
2068 r = crtc->gamma_store;
2069 g = r + crtc->gamma_size;
2070 b = g + crtc->gamma_size;
2071 for (i = 0; i < 256; i++) {
2072 WREG32(mmDC_LUT_30_COLOR + amdgpu_crtc->crtc_offset,
2073 ((*r++ & 0xffc0) << 14) |
2074 ((*g++ & 0xffc0) << 4) |
2075 (*b++ >> 6));
2076 }
2077
2078 WREG32(mmDEGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2079 ((DEGAMMA_BYPASS << DEGAMMA_CONTROL__GRPH_DEGAMMA_MODE__SHIFT) |
2080 (DEGAMMA_BYPASS << DEGAMMA_CONTROL__OVL_DEGAMMA_MODE__SHIFT) |
2081 (DEGAMMA_BYPASS << DEGAMMA_CONTROL__CURSOR_DEGAMMA_MODE__SHIFT)));
2082 WREG32(mmGAMUT_REMAP_CONTROL + amdgpu_crtc->crtc_offset,
2083 ((GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__GRPH_GAMUT_REMAP_MODE__SHIFT) |
2084 (GAMUT_REMAP_BYPASS << GAMUT_REMAP_CONTROL__OVL_GAMUT_REMAP_MODE__SHIFT)));
2085 WREG32(mmREGAMMA_CONTROL + amdgpu_crtc->crtc_offset,
2086 ((REGAMMA_BYPASS << REGAMMA_CONTROL__GRPH_REGAMMA_MODE__SHIFT) |
2087 (REGAMMA_BYPASS << REGAMMA_CONTROL__OVL_REGAMMA_MODE__SHIFT)));
2088 WREG32(mmOUTPUT_CSC_CONTROL + amdgpu_crtc->crtc_offset,
2089 ((OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_GRPH_MODE__SHIFT) |
2090 (OUTPUT_CSC_BYPASS << OUTPUT_CSC_CONTROL__OUTPUT_CSC_OVL_MODE__SHIFT)));
2091 /* XXX match this to the depth of the crtc fmt block, move to modeset? */
2092 WREG32(0x1a50 + amdgpu_crtc->crtc_offset, 0);
2093 /* XXX this only needs to be programmed once per crtc at startup,
2094 * not sure where the best place for it is
2095 */
2096 WREG32(mmALPHA_CONTROL + amdgpu_crtc->crtc_offset,
2097 ALPHA_CONTROL__CURSOR_ALPHA_BLND_ENA_MASK);
2098}
2099
2100static int dce_v8_0_pick_dig_encoder(struct drm_encoder *encoder)
2101{
2102 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
2103 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
2104
2105 switch (amdgpu_encoder->encoder_id) {
2106 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
2107 if (dig->linkb)
2108 return 1;
2109 else
2110 return 0;
2111 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
2112 if (dig->linkb)
2113 return 3;
2114 else
2115 return 2;
2116 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
2117 if (dig->linkb)
2118 return 5;
2119 else
2120 return 4;
2121 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
2122 return 6;
2123 default:
2124 DRM_ERROR("invalid encoder_id: 0x%x\n", amdgpu_encoder->encoder_id);
2125 return 0;
2126 }
2127}
2128
2129/**
2130 * dce_v8_0_pick_pll - Allocate a PPLL for use by the crtc.
2131 *
2132 * @crtc: drm crtc
2133 *
2134 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors
2135 * a single PPLL can be used for all DP crtcs/encoders. For non-DP
2136 * monitors a dedicated PPLL must be used. If a particular board has
2137 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
2138 * as there is no need to program the PLL itself. If we are not able to
2139 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
2140 * avoid messing up an existing monitor.
2141 *
2142 * Asic specific PLL information
2143 *
2144 * DCE 8.x
2145 * KB/KV
2146 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
2147 * CI
2148 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
2149 *
2150 */
2151static u32 dce_v8_0_pick_pll(struct drm_crtc *crtc)
2152{
2153 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2154 struct drm_device *dev = crtc->dev;
2155 struct amdgpu_device *adev = drm_to_adev(dev);
2156 u32 pll_in_use;
2157 int pll;
2158
2159 if (ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder))) {
2160 if (adev->clock.dp_extclk)
2161 /* skip PPLL programming if using ext clock */
2162 return ATOM_PPLL_INVALID;
2163 else {
2164 /* use the same PPLL for all DP monitors */
2165 pll = amdgpu_pll_get_shared_dp_ppll(crtc);
2166 if (pll != ATOM_PPLL_INVALID)
2167 return pll;
2168 }
2169 } else {
2170 /* use the same PPLL for all monitors with the same clock */
2171 pll = amdgpu_pll_get_shared_nondp_ppll(crtc);
2172 if (pll != ATOM_PPLL_INVALID)
2173 return pll;
2174 }
2175 /* otherwise, pick one of the plls */
2176 if ((adev->asic_type == CHIP_KABINI) ||
2177 (adev->asic_type == CHIP_MULLINS)) {
2178 /* KB/ML has PPLL1 and PPLL2 */
2179 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2180 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2181 return ATOM_PPLL2;
2182 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2183 return ATOM_PPLL1;
2184 DRM_ERROR("unable to allocate a PPLL\n");
2185 return ATOM_PPLL_INVALID;
2186 } else {
2187 /* CI/KV has PPLL0, PPLL1, and PPLL2 */
2188 pll_in_use = amdgpu_pll_get_use_mask(crtc);
2189 if (!(pll_in_use & (1 << ATOM_PPLL2)))
2190 return ATOM_PPLL2;
2191 if (!(pll_in_use & (1 << ATOM_PPLL1)))
2192 return ATOM_PPLL1;
2193 if (!(pll_in_use & (1 << ATOM_PPLL0)))
2194 return ATOM_PPLL0;
2195 DRM_ERROR("unable to allocate a PPLL\n");
2196 return ATOM_PPLL_INVALID;
2197 }
2198 return ATOM_PPLL_INVALID;
2199}
2200
2201static void dce_v8_0_lock_cursor(struct drm_crtc *crtc, bool lock)
2202{
2203 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2204 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2205 uint32_t cur_lock;
2206
2207 cur_lock = RREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset);
2208 if (lock)
2209 cur_lock |= CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2210 else
2211 cur_lock &= ~CUR_UPDATE__CURSOR_UPDATE_LOCK_MASK;
2212 WREG32(mmCUR_UPDATE + amdgpu_crtc->crtc_offset, cur_lock);
2213}
2214
2215static void dce_v8_0_hide_cursor(struct drm_crtc *crtc)
2216{
2217 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2218 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2219
2220 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2221 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2222 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2223}
2224
2225static void dce_v8_0_show_cursor(struct drm_crtc *crtc)
2226{
2227 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2228 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2229
2230 WREG32(mmCUR_SURFACE_ADDRESS_HIGH + amdgpu_crtc->crtc_offset,
2231 upper_32_bits(amdgpu_crtc->cursor_addr));
2232 WREG32(mmCUR_SURFACE_ADDRESS + amdgpu_crtc->crtc_offset,
2233 lower_32_bits(amdgpu_crtc->cursor_addr));
2234
2235 WREG32(mmCUR_CONTROL + amdgpu_crtc->crtc_offset,
2236 CUR_CONTROL__CURSOR_EN_MASK |
2237 (CURSOR_24_8_PRE_MULT << CUR_CONTROL__CURSOR_MODE__SHIFT) |
2238 (CURSOR_URGENT_1_2 << CUR_CONTROL__CURSOR_URGENT_CONTROL__SHIFT));
2239}
2240
2241static int dce_v8_0_cursor_move_locked(struct drm_crtc *crtc,
2242 int x, int y)
2243{
2244 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2245 struct amdgpu_device *adev = drm_to_adev(crtc->dev);
2246 int xorigin = 0, yorigin = 0;
2247
2248 amdgpu_crtc->cursor_x = x;
2249 amdgpu_crtc->cursor_y = y;
2250
2251 /* avivo cursor are offset into the total surface */
2252 x += crtc->x;
2253 y += crtc->y;
2254 DRM_DEBUG("x %d y %d c->x %d c->y %d\n", x, y, crtc->x, crtc->y);
2255
2256 if (x < 0) {
2257 xorigin = min(-x, amdgpu_crtc->max_cursor_width - 1);
2258 x = 0;
2259 }
2260 if (y < 0) {
2261 yorigin = min(-y, amdgpu_crtc->max_cursor_height - 1);
2262 y = 0;
2263 }
2264
2265 WREG32(mmCUR_POSITION + amdgpu_crtc->crtc_offset, (x << 16) | y);
2266 WREG32(mmCUR_HOT_SPOT + amdgpu_crtc->crtc_offset, (xorigin << 16) | yorigin);
2267 WREG32(mmCUR_SIZE + amdgpu_crtc->crtc_offset,
2268 ((amdgpu_crtc->cursor_width - 1) << 16) | (amdgpu_crtc->cursor_height - 1));
2269
2270 return 0;
2271}
2272
2273static int dce_v8_0_crtc_cursor_move(struct drm_crtc *crtc,
2274 int x, int y)
2275{
2276 int ret;
2277
2278 dce_v8_0_lock_cursor(crtc, true);
2279 ret = dce_v8_0_cursor_move_locked(crtc, x, y);
2280 dce_v8_0_lock_cursor(crtc, false);
2281
2282 return ret;
2283}
2284
2285static int dce_v8_0_crtc_cursor_set2(struct drm_crtc *crtc,
2286 struct drm_file *file_priv,
2287 uint32_t handle,
2288 uint32_t width,
2289 uint32_t height,
2290 int32_t hot_x,
2291 int32_t hot_y)
2292{
2293 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2294 struct drm_gem_object *obj;
2295 struct amdgpu_bo *aobj;
2296 int ret;
2297
2298 if (!handle) {
2299 /* turn off cursor */
2300 dce_v8_0_hide_cursor(crtc);
2301 obj = NULL;
2302 goto unpin;
2303 }
2304
2305 if ((width > amdgpu_crtc->max_cursor_width) ||
2306 (height > amdgpu_crtc->max_cursor_height)) {
2307 DRM_ERROR("bad cursor width or height %d x %d\n", width, height);
2308 return -EINVAL;
2309 }
2310
2311 obj = drm_gem_object_lookup(file_priv, handle);
2312 if (!obj) {
2313 DRM_ERROR("Cannot find cursor object %x for crtc %d\n", handle, amdgpu_crtc->crtc_id);
2314 return -ENOENT;
2315 }
2316
2317 aobj = gem_to_amdgpu_bo(obj);
2318 ret = amdgpu_bo_reserve(aobj, false);
2319 if (ret != 0) {
2320 drm_gem_object_put(obj);
2321 return ret;
2322 }
2323
2324 aobj->flags |= AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS;
2325 ret = amdgpu_bo_pin(aobj, AMDGPU_GEM_DOMAIN_VRAM);
2326 amdgpu_bo_unreserve(aobj);
2327 if (ret) {
2328 DRM_ERROR("Failed to pin new cursor BO (%d)\n", ret);
2329 drm_gem_object_put(obj);
2330 return ret;
2331 }
2332 amdgpu_crtc->cursor_addr = amdgpu_bo_gpu_offset(aobj);
2333
2334 dce_v8_0_lock_cursor(crtc, true);
2335
2336 if (width != amdgpu_crtc->cursor_width ||
2337 height != amdgpu_crtc->cursor_height ||
2338 hot_x != amdgpu_crtc->cursor_hot_x ||
2339 hot_y != amdgpu_crtc->cursor_hot_y) {
2340 int x, y;
2341
2342 x = amdgpu_crtc->cursor_x + amdgpu_crtc->cursor_hot_x - hot_x;
2343 y = amdgpu_crtc->cursor_y + amdgpu_crtc->cursor_hot_y - hot_y;
2344
2345 dce_v8_0_cursor_move_locked(crtc, x, y);
2346
2347 amdgpu_crtc->cursor_width = width;
2348 amdgpu_crtc->cursor_height = height;
2349 amdgpu_crtc->cursor_hot_x = hot_x;
2350 amdgpu_crtc->cursor_hot_y = hot_y;
2351 }
2352
2353 dce_v8_0_show_cursor(crtc);
2354 dce_v8_0_lock_cursor(crtc, false);
2355
2356unpin:
2357 if (amdgpu_crtc->cursor_bo) {
2358 struct amdgpu_bo *aobj = gem_to_amdgpu_bo(amdgpu_crtc->cursor_bo);
2359 ret = amdgpu_bo_reserve(aobj, true);
2360 if (likely(ret == 0)) {
2361 amdgpu_bo_unpin(aobj);
2362 amdgpu_bo_unreserve(aobj);
2363 }
2364 drm_gem_object_put(amdgpu_crtc->cursor_bo);
2365 }
2366
2367 amdgpu_crtc->cursor_bo = obj;
2368 return 0;
2369}
2370
2371static void dce_v8_0_cursor_reset(struct drm_crtc *crtc)
2372{
2373 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2374
2375 if (amdgpu_crtc->cursor_bo) {
2376 dce_v8_0_lock_cursor(crtc, true);
2377
2378 dce_v8_0_cursor_move_locked(crtc, amdgpu_crtc->cursor_x,
2379 amdgpu_crtc->cursor_y);
2380
2381 dce_v8_0_show_cursor(crtc);
2382
2383 dce_v8_0_lock_cursor(crtc, false);
2384 }
2385}
2386
2387static int dce_v8_0_crtc_gamma_set(struct drm_crtc *crtc, u16 *red, u16 *green,
2388 u16 *blue, uint32_t size,
2389 struct drm_modeset_acquire_ctx *ctx)
2390{
2391 dce_v8_0_crtc_load_lut(crtc);
2392
2393 return 0;
2394}
2395
2396static void dce_v8_0_crtc_destroy(struct drm_crtc *crtc)
2397{
2398 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2399
2400 drm_crtc_cleanup(crtc);
2401 kfree(amdgpu_crtc);
2402}
2403
2404static const struct drm_crtc_funcs dce_v8_0_crtc_funcs = {
2405 .cursor_set2 = dce_v8_0_crtc_cursor_set2,
2406 .cursor_move = dce_v8_0_crtc_cursor_move,
2407 .gamma_set = dce_v8_0_crtc_gamma_set,
2408 .set_config = amdgpu_display_crtc_set_config,
2409 .destroy = dce_v8_0_crtc_destroy,
2410 .page_flip_target = amdgpu_display_crtc_page_flip_target,
2411 .get_vblank_counter = amdgpu_get_vblank_counter_kms,
2412 .enable_vblank = amdgpu_enable_vblank_kms,
2413 .disable_vblank = amdgpu_disable_vblank_kms,
2414 .get_vblank_timestamp = drm_crtc_vblank_helper_get_vblank_timestamp,
2415};
2416
2417static void dce_v8_0_crtc_dpms(struct drm_crtc *crtc, int mode)
2418{
2419 struct drm_device *dev = crtc->dev;
2420 struct amdgpu_device *adev = drm_to_adev(dev);
2421 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2422 unsigned type;
2423
2424 switch (mode) {
2425 case DRM_MODE_DPMS_ON:
2426 amdgpu_crtc->enabled = true;
2427 amdgpu_atombios_crtc_enable(crtc, ATOM_ENABLE);
2428 dce_v8_0_vga_enable(crtc, true);
2429 amdgpu_atombios_crtc_blank(crtc, ATOM_DISABLE);
2430 dce_v8_0_vga_enable(crtc, false);
2431 /* Make sure VBLANK and PFLIP interrupts are still enabled */
2432 type = amdgpu_display_crtc_idx_to_irq_type(adev,
2433 amdgpu_crtc->crtc_id);
2434 amdgpu_irq_update(adev, &adev->crtc_irq, type);
2435 amdgpu_irq_update(adev, &adev->pageflip_irq, type);
2436 drm_crtc_vblank_on(crtc);
2437 dce_v8_0_crtc_load_lut(crtc);
2438 break;
2439 case DRM_MODE_DPMS_STANDBY:
2440 case DRM_MODE_DPMS_SUSPEND:
2441 case DRM_MODE_DPMS_OFF:
2442 drm_crtc_vblank_off(crtc);
2443 if (amdgpu_crtc->enabled) {
2444 dce_v8_0_vga_enable(crtc, true);
2445 amdgpu_atombios_crtc_blank(crtc, ATOM_ENABLE);
2446 dce_v8_0_vga_enable(crtc, false);
2447 }
2448 amdgpu_atombios_crtc_enable(crtc, ATOM_DISABLE);
2449 amdgpu_crtc->enabled = false;
2450 break;
2451 }
2452 /* adjust pm to dpms */
2453 amdgpu_dpm_compute_clocks(adev);
2454}
2455
2456static void dce_v8_0_crtc_prepare(struct drm_crtc *crtc)
2457{
2458 /* disable crtc pair power gating before programming */
2459 amdgpu_atombios_crtc_powergate(crtc, ATOM_DISABLE);
2460 amdgpu_atombios_crtc_lock(crtc, ATOM_ENABLE);
2461 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2462}
2463
2464static void dce_v8_0_crtc_commit(struct drm_crtc *crtc)
2465{
2466 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2467 amdgpu_atombios_crtc_lock(crtc, ATOM_DISABLE);
2468}
2469
2470static void dce_v8_0_crtc_disable(struct drm_crtc *crtc)
2471{
2472 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2473 struct drm_device *dev = crtc->dev;
2474 struct amdgpu_device *adev = drm_to_adev(dev);
2475 struct amdgpu_atom_ss ss;
2476 int i;
2477
2478 dce_v8_0_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2479 if (crtc->primary->fb) {
2480 int r;
2481 struct amdgpu_bo *abo;
2482
2483 abo = gem_to_amdgpu_bo(crtc->primary->fb->obj[0]);
2484 r = amdgpu_bo_reserve(abo, true);
2485 if (unlikely(r))
2486 DRM_ERROR("failed to reserve abo before unpin\n");
2487 else {
2488 amdgpu_bo_unpin(abo);
2489 amdgpu_bo_unreserve(abo);
2490 }
2491 }
2492 /* disable the GRPH */
2493 dce_v8_0_grph_enable(crtc, false);
2494
2495 amdgpu_atombios_crtc_powergate(crtc, ATOM_ENABLE);
2496
2497 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2498 if (adev->mode_info.crtcs[i] &&
2499 adev->mode_info.crtcs[i]->enabled &&
2500 i != amdgpu_crtc->crtc_id &&
2501 amdgpu_crtc->pll_id == adev->mode_info.crtcs[i]->pll_id) {
2502 /* one other crtc is using this pll don't turn
2503 * off the pll
2504 */
2505 goto done;
2506 }
2507 }
2508
2509 switch (amdgpu_crtc->pll_id) {
2510 case ATOM_PPLL1:
2511 case ATOM_PPLL2:
2512 /* disable the ppll */
2513 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2514 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2515 break;
2516 case ATOM_PPLL0:
2517 /* disable the ppll */
2518 if ((adev->asic_type == CHIP_KAVERI) ||
2519 (adev->asic_type == CHIP_BONAIRE) ||
2520 (adev->asic_type == CHIP_HAWAII))
2521 amdgpu_atombios_crtc_program_pll(crtc, amdgpu_crtc->crtc_id, amdgpu_crtc->pll_id,
2522 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2523 break;
2524 default:
2525 break;
2526 }
2527done:
2528 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2529 amdgpu_crtc->adjusted_clock = 0;
2530 amdgpu_crtc->encoder = NULL;
2531 amdgpu_crtc->connector = NULL;
2532}
2533
2534static int dce_v8_0_crtc_mode_set(struct drm_crtc *crtc,
2535 struct drm_display_mode *mode,
2536 struct drm_display_mode *adjusted_mode,
2537 int x, int y, struct drm_framebuffer *old_fb)
2538{
2539 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2540
2541 if (!amdgpu_crtc->adjusted_clock)
2542 return -EINVAL;
2543
2544 amdgpu_atombios_crtc_set_pll(crtc, adjusted_mode);
2545 amdgpu_atombios_crtc_set_dtd_timing(crtc, adjusted_mode);
2546 dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2547 amdgpu_atombios_crtc_overscan_setup(crtc, mode, adjusted_mode);
2548 amdgpu_atombios_crtc_scaler_setup(crtc);
2549 dce_v8_0_cursor_reset(crtc);
2550 /* update the hw version fpr dpm */
2551 amdgpu_crtc->hw_mode = *adjusted_mode;
2552
2553 return 0;
2554}
2555
2556static bool dce_v8_0_crtc_mode_fixup(struct drm_crtc *crtc,
2557 const struct drm_display_mode *mode,
2558 struct drm_display_mode *adjusted_mode)
2559{
2560 struct amdgpu_crtc *amdgpu_crtc = to_amdgpu_crtc(crtc);
2561 struct drm_device *dev = crtc->dev;
2562 struct drm_encoder *encoder;
2563
2564 /* assign the encoder to the amdgpu crtc to avoid repeated lookups later */
2565 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2566 if (encoder->crtc == crtc) {
2567 amdgpu_crtc->encoder = encoder;
2568 amdgpu_crtc->connector = amdgpu_get_connector_for_encoder(encoder);
2569 break;
2570 }
2571 }
2572 if ((amdgpu_crtc->encoder == NULL) || (amdgpu_crtc->connector == NULL)) {
2573 amdgpu_crtc->encoder = NULL;
2574 amdgpu_crtc->connector = NULL;
2575 return false;
2576 }
2577 if (!amdgpu_display_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2578 return false;
2579 if (amdgpu_atombios_crtc_prepare_pll(crtc, adjusted_mode))
2580 return false;
2581 /* pick pll */
2582 amdgpu_crtc->pll_id = dce_v8_0_pick_pll(crtc);
2583 /* if we can't get a PPLL for a non-DP encoder, fail */
2584 if ((amdgpu_crtc->pll_id == ATOM_PPLL_INVALID) &&
2585 !ENCODER_MODE_IS_DP(amdgpu_atombios_encoder_get_encoder_mode(amdgpu_crtc->encoder)))
2586 return false;
2587
2588 return true;
2589}
2590
2591static int dce_v8_0_crtc_set_base(struct drm_crtc *crtc, int x, int y,
2592 struct drm_framebuffer *old_fb)
2593{
2594 return dce_v8_0_crtc_do_set_base(crtc, old_fb, x, y, 0);
2595}
2596
2597static int dce_v8_0_crtc_set_base_atomic(struct drm_crtc *crtc,
2598 struct drm_framebuffer *fb,
2599 int x, int y, enum mode_set_atomic state)
2600{
2601 return dce_v8_0_crtc_do_set_base(crtc, fb, x, y, 1);
2602}
2603
2604static const struct drm_crtc_helper_funcs dce_v8_0_crtc_helper_funcs = {
2605 .dpms = dce_v8_0_crtc_dpms,
2606 .mode_fixup = dce_v8_0_crtc_mode_fixup,
2607 .mode_set = dce_v8_0_crtc_mode_set,
2608 .mode_set_base = dce_v8_0_crtc_set_base,
2609 .mode_set_base_atomic = dce_v8_0_crtc_set_base_atomic,
2610 .prepare = dce_v8_0_crtc_prepare,
2611 .commit = dce_v8_0_crtc_commit,
2612 .disable = dce_v8_0_crtc_disable,
2613 .get_scanout_position = amdgpu_crtc_get_scanout_position,
2614};
2615
2616static int dce_v8_0_crtc_init(struct amdgpu_device *adev, int index)
2617{
2618 struct amdgpu_crtc *amdgpu_crtc;
2619
2620 amdgpu_crtc = kzalloc(sizeof(struct amdgpu_crtc) +
2621 (AMDGPUFB_CONN_LIMIT * sizeof(struct drm_connector *)), GFP_KERNEL);
2622 if (amdgpu_crtc == NULL)
2623 return -ENOMEM;
2624
2625 drm_crtc_init(adev_to_drm(adev), &amdgpu_crtc->base, &dce_v8_0_crtc_funcs);
2626
2627 drm_mode_crtc_set_gamma_size(&amdgpu_crtc->base, 256);
2628 amdgpu_crtc->crtc_id = index;
2629 adev->mode_info.crtcs[index] = amdgpu_crtc;
2630
2631 amdgpu_crtc->max_cursor_width = CIK_CURSOR_WIDTH;
2632 amdgpu_crtc->max_cursor_height = CIK_CURSOR_HEIGHT;
2633 adev_to_drm(adev)->mode_config.cursor_width = amdgpu_crtc->max_cursor_width;
2634 adev_to_drm(adev)->mode_config.cursor_height = amdgpu_crtc->max_cursor_height;
2635
2636 amdgpu_crtc->crtc_offset = crtc_offsets[amdgpu_crtc->crtc_id];
2637
2638 amdgpu_crtc->pll_id = ATOM_PPLL_INVALID;
2639 amdgpu_crtc->adjusted_clock = 0;
2640 amdgpu_crtc->encoder = NULL;
2641 amdgpu_crtc->connector = NULL;
2642 drm_crtc_helper_add(&amdgpu_crtc->base, &dce_v8_0_crtc_helper_funcs);
2643
2644 return 0;
2645}
2646
2647static int dce_v8_0_early_init(struct amdgpu_ip_block *ip_block)
2648{
2649 struct amdgpu_device *adev = ip_block->adev;
2650
2651 adev->audio_endpt_rreg = &dce_v8_0_audio_endpt_rreg;
2652 adev->audio_endpt_wreg = &dce_v8_0_audio_endpt_wreg;
2653
2654 dce_v8_0_set_display_funcs(adev);
2655
2656 adev->mode_info.num_crtc = dce_v8_0_get_num_crtc(adev);
2657
2658 switch (adev->asic_type) {
2659 case CHIP_BONAIRE:
2660 case CHIP_HAWAII:
2661 adev->mode_info.num_hpd = 6;
2662 adev->mode_info.num_dig = 6;
2663 break;
2664 case CHIP_KAVERI:
2665 adev->mode_info.num_hpd = 6;
2666 adev->mode_info.num_dig = 7;
2667 break;
2668 case CHIP_KABINI:
2669 case CHIP_MULLINS:
2670 adev->mode_info.num_hpd = 6;
2671 adev->mode_info.num_dig = 6; /* ? */
2672 break;
2673 default:
2674 /* FIXME: not supported yet */
2675 return -EINVAL;
2676 }
2677
2678 dce_v8_0_set_irq_funcs(adev);
2679
2680 return 0;
2681}
2682
2683static int dce_v8_0_sw_init(struct amdgpu_ip_block *ip_block)
2684{
2685 int r, i;
2686 struct amdgpu_device *adev = ip_block->adev;
2687
2688 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2689 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i + 1, &adev->crtc_irq);
2690 if (r)
2691 return r;
2692 }
2693
2694 for (i = 8; i < 20; i += 2) {
2695 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, i, &adev->pageflip_irq);
2696 if (r)
2697 return r;
2698 }
2699
2700 /* HPD hotplug */
2701 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 42, &adev->hpd_irq);
2702 if (r)
2703 return r;
2704
2705 adev_to_drm(adev)->mode_config.funcs = &amdgpu_mode_funcs;
2706
2707 adev_to_drm(adev)->mode_config.async_page_flip = true;
2708
2709 adev_to_drm(adev)->mode_config.max_width = 16384;
2710 adev_to_drm(adev)->mode_config.max_height = 16384;
2711
2712 adev_to_drm(adev)->mode_config.preferred_depth = 24;
2713 if (adev->asic_type == CHIP_HAWAII)
2714 /* disable prefer shadow for now due to hibernation issues */
2715 adev_to_drm(adev)->mode_config.prefer_shadow = 0;
2716 else
2717 adev_to_drm(adev)->mode_config.prefer_shadow = 1;
2718
2719 adev_to_drm(adev)->mode_config.fb_modifiers_not_supported = true;
2720
2721 r = amdgpu_display_modeset_create_props(adev);
2722 if (r)
2723 return r;
2724
2725 adev_to_drm(adev)->mode_config.max_width = 16384;
2726 adev_to_drm(adev)->mode_config.max_height = 16384;
2727
2728 /* allocate crtcs */
2729 for (i = 0; i < adev->mode_info.num_crtc; i++) {
2730 r = dce_v8_0_crtc_init(adev, i);
2731 if (r)
2732 return r;
2733 }
2734
2735 if (amdgpu_atombios_get_connector_info_from_object_table(adev))
2736 amdgpu_display_print_display_setup(adev_to_drm(adev));
2737 else
2738 return -EINVAL;
2739
2740 /* setup afmt */
2741 r = dce_v8_0_afmt_init(adev);
2742 if (r)
2743 return r;
2744
2745 r = dce_v8_0_audio_init(adev);
2746 if (r)
2747 return r;
2748
2749 /* Disable vblank IRQs aggressively for power-saving */
2750 /* XXX: can this be enabled for DC? */
2751 adev_to_drm(adev)->vblank_disable_immediate = true;
2752
2753 r = drm_vblank_init(adev_to_drm(adev), adev->mode_info.num_crtc);
2754 if (r)
2755 return r;
2756
2757 /* Pre-DCE11 */
2758 INIT_DELAYED_WORK(&adev->hotplug_work,
2759 amdgpu_display_hotplug_work_func);
2760
2761 drm_kms_helper_poll_init(adev_to_drm(adev));
2762
2763 adev->mode_info.mode_config_initialized = true;
2764 return 0;
2765}
2766
2767static int dce_v8_0_sw_fini(struct amdgpu_ip_block *ip_block)
2768{
2769 struct amdgpu_device *adev = ip_block->adev;
2770
2771 drm_edid_free(adev->mode_info.bios_hardcoded_edid);
2772
2773 drm_kms_helper_poll_fini(adev_to_drm(adev));
2774
2775 dce_v8_0_audio_fini(adev);
2776
2777 dce_v8_0_afmt_fini(adev);
2778
2779 drm_mode_config_cleanup(adev_to_drm(adev));
2780 adev->mode_info.mode_config_initialized = false;
2781
2782 return 0;
2783}
2784
2785static int dce_v8_0_hw_init(struct amdgpu_ip_block *ip_block)
2786{
2787 int i;
2788 struct amdgpu_device *adev = ip_block->adev;
2789
2790 /* disable vga render */
2791 dce_v8_0_set_vga_render_state(adev, false);
2792 /* init dig PHYs, disp eng pll */
2793 amdgpu_atombios_encoder_init_dig(adev);
2794 amdgpu_atombios_crtc_set_disp_eng_pll(adev, adev->clock.default_dispclk);
2795
2796 /* initialize hpd */
2797 dce_v8_0_hpd_init(adev);
2798
2799 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2800 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2801 }
2802
2803 dce_v8_0_pageflip_interrupt_init(adev);
2804
2805 return 0;
2806}
2807
2808static int dce_v8_0_hw_fini(struct amdgpu_ip_block *ip_block)
2809{
2810 int i;
2811 struct amdgpu_device *adev = ip_block->adev;
2812
2813 dce_v8_0_hpd_fini(adev);
2814
2815 for (i = 0; i < adev->mode_info.audio.num_pins; i++) {
2816 dce_v8_0_audio_enable(adev, &adev->mode_info.audio.pin[i], false);
2817 }
2818
2819 dce_v8_0_pageflip_interrupt_fini(adev);
2820
2821 flush_delayed_work(&adev->hotplug_work);
2822
2823 return 0;
2824}
2825
2826static int dce_v8_0_suspend(struct amdgpu_ip_block *ip_block)
2827{
2828 struct amdgpu_device *adev = ip_block->adev;
2829 int r;
2830
2831 r = amdgpu_display_suspend_helper(adev);
2832 if (r)
2833 return r;
2834
2835 adev->mode_info.bl_level =
2836 amdgpu_atombios_encoder_get_backlight_level_from_reg(adev);
2837
2838 return dce_v8_0_hw_fini(ip_block);
2839}
2840
2841static int dce_v8_0_resume(struct amdgpu_ip_block *ip_block)
2842{
2843 struct amdgpu_device *adev = ip_block->adev;
2844 int ret;
2845
2846 amdgpu_atombios_encoder_set_backlight_level_to_reg(adev,
2847 adev->mode_info.bl_level);
2848
2849 ret = dce_v8_0_hw_init(ip_block);
2850
2851 /* turn on the BL */
2852 if (adev->mode_info.bl_encoder) {
2853 u8 bl_level = amdgpu_display_backlight_get_level(adev,
2854 adev->mode_info.bl_encoder);
2855 amdgpu_display_backlight_set_level(adev, adev->mode_info.bl_encoder,
2856 bl_level);
2857 }
2858 if (ret)
2859 return ret;
2860
2861 return amdgpu_display_resume_helper(adev);
2862}
2863
2864static bool dce_v8_0_is_idle(void *handle)
2865{
2866 return true;
2867}
2868
2869static int dce_v8_0_soft_reset(struct amdgpu_ip_block *ip_block)
2870{
2871 u32 srbm_soft_reset = 0, tmp;
2872 struct amdgpu_device *adev = ip_block->adev;
2873
2874 if (dce_v8_0_is_display_hung(adev))
2875 srbm_soft_reset |= SRBM_SOFT_RESET__SOFT_RESET_DC_MASK;
2876
2877 if (srbm_soft_reset) {
2878 tmp = RREG32(mmSRBM_SOFT_RESET);
2879 tmp |= srbm_soft_reset;
2880 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp);
2881 WREG32(mmSRBM_SOFT_RESET, tmp);
2882 tmp = RREG32(mmSRBM_SOFT_RESET);
2883
2884 udelay(50);
2885
2886 tmp &= ~srbm_soft_reset;
2887 WREG32(mmSRBM_SOFT_RESET, tmp);
2888 tmp = RREG32(mmSRBM_SOFT_RESET);
2889
2890 /* Wait a little for things to settle down */
2891 udelay(50);
2892 }
2893 return 0;
2894}
2895
2896static void dce_v8_0_set_crtc_vblank_interrupt_state(struct amdgpu_device *adev,
2897 int crtc,
2898 enum amdgpu_interrupt_state state)
2899{
2900 u32 reg_block, lb_interrupt_mask;
2901
2902 if (crtc >= adev->mode_info.num_crtc) {
2903 DRM_DEBUG("invalid crtc %d\n", crtc);
2904 return;
2905 }
2906
2907 switch (crtc) {
2908 case 0:
2909 reg_block = CRTC0_REGISTER_OFFSET;
2910 break;
2911 case 1:
2912 reg_block = CRTC1_REGISTER_OFFSET;
2913 break;
2914 case 2:
2915 reg_block = CRTC2_REGISTER_OFFSET;
2916 break;
2917 case 3:
2918 reg_block = CRTC3_REGISTER_OFFSET;
2919 break;
2920 case 4:
2921 reg_block = CRTC4_REGISTER_OFFSET;
2922 break;
2923 case 5:
2924 reg_block = CRTC5_REGISTER_OFFSET;
2925 break;
2926 default:
2927 DRM_DEBUG("invalid crtc %d\n", crtc);
2928 return;
2929 }
2930
2931 switch (state) {
2932 case AMDGPU_IRQ_STATE_DISABLE:
2933 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2934 lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
2935 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2936 break;
2937 case AMDGPU_IRQ_STATE_ENABLE:
2938 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2939 lb_interrupt_mask |= LB_INTERRUPT_MASK__VBLANK_INTERRUPT_MASK_MASK;
2940 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2941 break;
2942 default:
2943 break;
2944 }
2945}
2946
2947static void dce_v8_0_set_crtc_vline_interrupt_state(struct amdgpu_device *adev,
2948 int crtc,
2949 enum amdgpu_interrupt_state state)
2950{
2951 u32 reg_block, lb_interrupt_mask;
2952
2953 if (crtc >= adev->mode_info.num_crtc) {
2954 DRM_DEBUG("invalid crtc %d\n", crtc);
2955 return;
2956 }
2957
2958 switch (crtc) {
2959 case 0:
2960 reg_block = CRTC0_REGISTER_OFFSET;
2961 break;
2962 case 1:
2963 reg_block = CRTC1_REGISTER_OFFSET;
2964 break;
2965 case 2:
2966 reg_block = CRTC2_REGISTER_OFFSET;
2967 break;
2968 case 3:
2969 reg_block = CRTC3_REGISTER_OFFSET;
2970 break;
2971 case 4:
2972 reg_block = CRTC4_REGISTER_OFFSET;
2973 break;
2974 case 5:
2975 reg_block = CRTC5_REGISTER_OFFSET;
2976 break;
2977 default:
2978 DRM_DEBUG("invalid crtc %d\n", crtc);
2979 return;
2980 }
2981
2982 switch (state) {
2983 case AMDGPU_IRQ_STATE_DISABLE:
2984 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2985 lb_interrupt_mask &= ~LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
2986 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2987 break;
2988 case AMDGPU_IRQ_STATE_ENABLE:
2989 lb_interrupt_mask = RREG32(mmLB_INTERRUPT_MASK + reg_block);
2990 lb_interrupt_mask |= LB_INTERRUPT_MASK__VLINE_INTERRUPT_MASK_MASK;
2991 WREG32(mmLB_INTERRUPT_MASK + reg_block, lb_interrupt_mask);
2992 break;
2993 default:
2994 break;
2995 }
2996}
2997
2998static int dce_v8_0_set_hpd_interrupt_state(struct amdgpu_device *adev,
2999 struct amdgpu_irq_src *src,
3000 unsigned type,
3001 enum amdgpu_interrupt_state state)
3002{
3003 u32 dc_hpd_int_cntl;
3004
3005 if (type >= adev->mode_info.num_hpd) {
3006 DRM_DEBUG("invalid hdp %d\n", type);
3007 return 0;
3008 }
3009
3010 switch (state) {
3011 case AMDGPU_IRQ_STATE_DISABLE:
3012 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
3013 dc_hpd_int_cntl &= ~DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
3014 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
3015 break;
3016 case AMDGPU_IRQ_STATE_ENABLE:
3017 dc_hpd_int_cntl = RREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type]);
3018 dc_hpd_int_cntl |= DC_HPD1_INT_CONTROL__DC_HPD1_INT_EN_MASK;
3019 WREG32(mmDC_HPD1_INT_CONTROL + hpd_offsets[type], dc_hpd_int_cntl);
3020 break;
3021 default:
3022 break;
3023 }
3024
3025 return 0;
3026}
3027
3028static int dce_v8_0_set_crtc_interrupt_state(struct amdgpu_device *adev,
3029 struct amdgpu_irq_src *src,
3030 unsigned type,
3031 enum amdgpu_interrupt_state state)
3032{
3033 switch (type) {
3034 case AMDGPU_CRTC_IRQ_VBLANK1:
3035 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 0, state);
3036 break;
3037 case AMDGPU_CRTC_IRQ_VBLANK2:
3038 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 1, state);
3039 break;
3040 case AMDGPU_CRTC_IRQ_VBLANK3:
3041 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 2, state);
3042 break;
3043 case AMDGPU_CRTC_IRQ_VBLANK4:
3044 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 3, state);
3045 break;
3046 case AMDGPU_CRTC_IRQ_VBLANK5:
3047 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 4, state);
3048 break;
3049 case AMDGPU_CRTC_IRQ_VBLANK6:
3050 dce_v8_0_set_crtc_vblank_interrupt_state(adev, 5, state);
3051 break;
3052 case AMDGPU_CRTC_IRQ_VLINE1:
3053 dce_v8_0_set_crtc_vline_interrupt_state(adev, 0, state);
3054 break;
3055 case AMDGPU_CRTC_IRQ_VLINE2:
3056 dce_v8_0_set_crtc_vline_interrupt_state(adev, 1, state);
3057 break;
3058 case AMDGPU_CRTC_IRQ_VLINE3:
3059 dce_v8_0_set_crtc_vline_interrupt_state(adev, 2, state);
3060 break;
3061 case AMDGPU_CRTC_IRQ_VLINE4:
3062 dce_v8_0_set_crtc_vline_interrupt_state(adev, 3, state);
3063 break;
3064 case AMDGPU_CRTC_IRQ_VLINE5:
3065 dce_v8_0_set_crtc_vline_interrupt_state(adev, 4, state);
3066 break;
3067 case AMDGPU_CRTC_IRQ_VLINE6:
3068 dce_v8_0_set_crtc_vline_interrupt_state(adev, 5, state);
3069 break;
3070 default:
3071 break;
3072 }
3073 return 0;
3074}
3075
3076static int dce_v8_0_crtc_irq(struct amdgpu_device *adev,
3077 struct amdgpu_irq_src *source,
3078 struct amdgpu_iv_entry *entry)
3079{
3080 unsigned crtc = entry->src_id - 1;
3081 uint32_t disp_int = RREG32(interrupt_status_offsets[crtc].reg);
3082 unsigned int irq_type = amdgpu_display_crtc_idx_to_irq_type(adev,
3083 crtc);
3084
3085 switch (entry->src_data[0]) {
3086 case 0: /* vblank */
3087 if (disp_int & interrupt_status_offsets[crtc].vblank)
3088 WREG32(mmLB_VBLANK_STATUS + crtc_offsets[crtc], LB_VBLANK_STATUS__VBLANK_ACK_MASK);
3089 else
3090 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3091
3092 if (amdgpu_irq_enabled(adev, source, irq_type)) {
3093 drm_handle_vblank(adev_to_drm(adev), crtc);
3094 }
3095 DRM_DEBUG("IH: D%d vblank\n", crtc + 1);
3096 break;
3097 case 1: /* vline */
3098 if (disp_int & interrupt_status_offsets[crtc].vline)
3099 WREG32(mmLB_VLINE_STATUS + crtc_offsets[crtc], LB_VLINE_STATUS__VLINE_ACK_MASK);
3100 else
3101 DRM_DEBUG("IH: IH event w/o asserted irq bit?\n");
3102
3103 DRM_DEBUG("IH: D%d vline\n", crtc + 1);
3104 break;
3105 default:
3106 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3107 break;
3108 }
3109
3110 return 0;
3111}
3112
3113static int dce_v8_0_set_pageflip_interrupt_state(struct amdgpu_device *adev,
3114 struct amdgpu_irq_src *src,
3115 unsigned type,
3116 enum amdgpu_interrupt_state state)
3117{
3118 u32 reg;
3119
3120 if (type >= adev->mode_info.num_crtc) {
3121 DRM_ERROR("invalid pageflip crtc %d\n", type);
3122 return -EINVAL;
3123 }
3124
3125 reg = RREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type]);
3126 if (state == AMDGPU_IRQ_STATE_DISABLE)
3127 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3128 reg & ~GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3129 else
3130 WREG32(mmGRPH_INTERRUPT_CONTROL + crtc_offsets[type],
3131 reg | GRPH_INTERRUPT_CONTROL__GRPH_PFLIP_INT_MASK_MASK);
3132
3133 return 0;
3134}
3135
3136static int dce_v8_0_pageflip_irq(struct amdgpu_device *adev,
3137 struct amdgpu_irq_src *source,
3138 struct amdgpu_iv_entry *entry)
3139{
3140 unsigned long flags;
3141 unsigned crtc_id;
3142 struct amdgpu_crtc *amdgpu_crtc;
3143 struct amdgpu_flip_work *works;
3144
3145 crtc_id = (entry->src_id - 8) >> 1;
3146 amdgpu_crtc = adev->mode_info.crtcs[crtc_id];
3147
3148 if (crtc_id >= adev->mode_info.num_crtc) {
3149 DRM_ERROR("invalid pageflip crtc %d\n", crtc_id);
3150 return -EINVAL;
3151 }
3152
3153 if (RREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id]) &
3154 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_OCCURRED_MASK)
3155 WREG32(mmGRPH_INTERRUPT_STATUS + crtc_offsets[crtc_id],
3156 GRPH_INTERRUPT_STATUS__GRPH_PFLIP_INT_CLEAR_MASK);
3157
3158 /* IRQ could occur when in initial stage */
3159 if (amdgpu_crtc == NULL)
3160 return 0;
3161
3162 spin_lock_irqsave(&adev_to_drm(adev)->event_lock, flags);
3163 works = amdgpu_crtc->pflip_works;
3164 if (amdgpu_crtc->pflip_status != AMDGPU_FLIP_SUBMITTED) {
3165 DRM_DEBUG_DRIVER("amdgpu_crtc->pflip_status = %d != "
3166 "AMDGPU_FLIP_SUBMITTED(%d)\n",
3167 amdgpu_crtc->pflip_status,
3168 AMDGPU_FLIP_SUBMITTED);
3169 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3170 return 0;
3171 }
3172
3173 /* page flip completed. clean up */
3174 amdgpu_crtc->pflip_status = AMDGPU_FLIP_NONE;
3175 amdgpu_crtc->pflip_works = NULL;
3176
3177 /* wakeup usersapce */
3178 if (works->event)
3179 drm_crtc_send_vblank_event(&amdgpu_crtc->base, works->event);
3180
3181 spin_unlock_irqrestore(&adev_to_drm(adev)->event_lock, flags);
3182
3183 drm_crtc_vblank_put(&amdgpu_crtc->base);
3184 schedule_work(&works->unpin_work);
3185
3186 return 0;
3187}
3188
3189static int dce_v8_0_hpd_irq(struct amdgpu_device *adev,
3190 struct amdgpu_irq_src *source,
3191 struct amdgpu_iv_entry *entry)
3192{
3193 uint32_t disp_int, mask;
3194 unsigned hpd;
3195
3196 if (entry->src_data[0] >= adev->mode_info.num_hpd) {
3197 DRM_DEBUG("Unhandled interrupt: %d %d\n", entry->src_id, entry->src_data[0]);
3198 return 0;
3199 }
3200
3201 hpd = entry->src_data[0];
3202 disp_int = RREG32(interrupt_status_offsets[hpd].reg);
3203 mask = interrupt_status_offsets[hpd].hpd;
3204
3205 if (disp_int & mask) {
3206 dce_v8_0_hpd_int_ack(adev, hpd);
3207 schedule_delayed_work(&adev->hotplug_work, 0);
3208 DRM_DEBUG("IH: HPD%d\n", hpd + 1);
3209 }
3210
3211 return 0;
3212
3213}
3214
3215static int dce_v8_0_set_clockgating_state(void *handle,
3216 enum amd_clockgating_state state)
3217{
3218 return 0;
3219}
3220
3221static int dce_v8_0_set_powergating_state(void *handle,
3222 enum amd_powergating_state state)
3223{
3224 return 0;
3225}
3226
3227static const struct amd_ip_funcs dce_v8_0_ip_funcs = {
3228 .name = "dce_v8_0",
3229 .early_init = dce_v8_0_early_init,
3230 .sw_init = dce_v8_0_sw_init,
3231 .sw_fini = dce_v8_0_sw_fini,
3232 .hw_init = dce_v8_0_hw_init,
3233 .hw_fini = dce_v8_0_hw_fini,
3234 .suspend = dce_v8_0_suspend,
3235 .resume = dce_v8_0_resume,
3236 .is_idle = dce_v8_0_is_idle,
3237 .soft_reset = dce_v8_0_soft_reset,
3238 .set_clockgating_state = dce_v8_0_set_clockgating_state,
3239 .set_powergating_state = dce_v8_0_set_powergating_state,
3240};
3241
3242static void
3243dce_v8_0_encoder_mode_set(struct drm_encoder *encoder,
3244 struct drm_display_mode *mode,
3245 struct drm_display_mode *adjusted_mode)
3246{
3247 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3248
3249 amdgpu_encoder->pixel_clock = adjusted_mode->clock;
3250
3251 /* need to call this here rather than in prepare() since we need some crtc info */
3252 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3253
3254 /* set scaler clears this on some chips */
3255 dce_v8_0_set_interleave(encoder->crtc, mode);
3256
3257 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI) {
3258 dce_v8_0_afmt_enable(encoder, true);
3259 dce_v8_0_afmt_setmode(encoder, adjusted_mode);
3260 }
3261}
3262
3263static void dce_v8_0_encoder_prepare(struct drm_encoder *encoder)
3264{
3265 struct amdgpu_device *adev = drm_to_adev(encoder->dev);
3266 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3267 struct drm_connector *connector = amdgpu_get_connector_for_encoder(encoder);
3268
3269 if ((amdgpu_encoder->active_device &
3270 (ATOM_DEVICE_DFP_SUPPORT | ATOM_DEVICE_LCD_SUPPORT)) ||
3271 (amdgpu_encoder_get_dp_bridge_encoder_id(encoder) !=
3272 ENCODER_OBJECT_ID_NONE)) {
3273 struct amdgpu_encoder_atom_dig *dig = amdgpu_encoder->enc_priv;
3274 if (dig) {
3275 dig->dig_encoder = dce_v8_0_pick_dig_encoder(encoder);
3276 if (amdgpu_encoder->active_device & ATOM_DEVICE_DFP_SUPPORT)
3277 dig->afmt = adev->mode_info.afmt[dig->dig_encoder];
3278 }
3279 }
3280
3281 amdgpu_atombios_scratch_regs_lock(adev, true);
3282
3283 if (connector) {
3284 struct amdgpu_connector *amdgpu_connector = to_amdgpu_connector(connector);
3285
3286 /* select the clock/data port if it uses a router */
3287 if (amdgpu_connector->router.cd_valid)
3288 amdgpu_i2c_router_select_cd_port(amdgpu_connector);
3289
3290 /* turn eDP panel on for mode set */
3291 if (connector->connector_type == DRM_MODE_CONNECTOR_eDP)
3292 amdgpu_atombios_encoder_set_edp_panel_power(connector,
3293 ATOM_TRANSMITTER_ACTION_POWER_ON);
3294 }
3295
3296 /* this is needed for the pll/ss setup to work correctly in some cases */
3297 amdgpu_atombios_encoder_set_crtc_source(encoder);
3298 /* set up the FMT blocks */
3299 dce_v8_0_program_fmt(encoder);
3300}
3301
3302static void dce_v8_0_encoder_commit(struct drm_encoder *encoder)
3303{
3304 struct drm_device *dev = encoder->dev;
3305 struct amdgpu_device *adev = drm_to_adev(dev);
3306
3307 /* need to call this here as we need the crtc set up */
3308 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_ON);
3309 amdgpu_atombios_scratch_regs_lock(adev, false);
3310}
3311
3312static void dce_v8_0_encoder_disable(struct drm_encoder *encoder)
3313{
3314 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3315 struct amdgpu_encoder_atom_dig *dig;
3316
3317 amdgpu_atombios_encoder_dpms(encoder, DRM_MODE_DPMS_OFF);
3318
3319 if (amdgpu_atombios_encoder_is_digital(encoder)) {
3320 if (amdgpu_atombios_encoder_get_encoder_mode(encoder) == ATOM_ENCODER_MODE_HDMI)
3321 dce_v8_0_afmt_enable(encoder, false);
3322 dig = amdgpu_encoder->enc_priv;
3323 dig->dig_encoder = -1;
3324 }
3325 amdgpu_encoder->active_device = 0;
3326}
3327
3328/* these are handled by the primary encoders */
3329static void dce_v8_0_ext_prepare(struct drm_encoder *encoder)
3330{
3331
3332}
3333
3334static void dce_v8_0_ext_commit(struct drm_encoder *encoder)
3335{
3336
3337}
3338
3339static void
3340dce_v8_0_ext_mode_set(struct drm_encoder *encoder,
3341 struct drm_display_mode *mode,
3342 struct drm_display_mode *adjusted_mode)
3343{
3344
3345}
3346
3347static void dce_v8_0_ext_disable(struct drm_encoder *encoder)
3348{
3349
3350}
3351
3352static void
3353dce_v8_0_ext_dpms(struct drm_encoder *encoder, int mode)
3354{
3355
3356}
3357
3358static const struct drm_encoder_helper_funcs dce_v8_0_ext_helper_funcs = {
3359 .dpms = dce_v8_0_ext_dpms,
3360 .prepare = dce_v8_0_ext_prepare,
3361 .mode_set = dce_v8_0_ext_mode_set,
3362 .commit = dce_v8_0_ext_commit,
3363 .disable = dce_v8_0_ext_disable,
3364 /* no detect for TMDS/LVDS yet */
3365};
3366
3367static const struct drm_encoder_helper_funcs dce_v8_0_dig_helper_funcs = {
3368 .dpms = amdgpu_atombios_encoder_dpms,
3369 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3370 .prepare = dce_v8_0_encoder_prepare,
3371 .mode_set = dce_v8_0_encoder_mode_set,
3372 .commit = dce_v8_0_encoder_commit,
3373 .disable = dce_v8_0_encoder_disable,
3374 .detect = amdgpu_atombios_encoder_dig_detect,
3375};
3376
3377static const struct drm_encoder_helper_funcs dce_v8_0_dac_helper_funcs = {
3378 .dpms = amdgpu_atombios_encoder_dpms,
3379 .mode_fixup = amdgpu_atombios_encoder_mode_fixup,
3380 .prepare = dce_v8_0_encoder_prepare,
3381 .mode_set = dce_v8_0_encoder_mode_set,
3382 .commit = dce_v8_0_encoder_commit,
3383 .detect = amdgpu_atombios_encoder_dac_detect,
3384};
3385
3386static void dce_v8_0_encoder_destroy(struct drm_encoder *encoder)
3387{
3388 struct amdgpu_encoder *amdgpu_encoder = to_amdgpu_encoder(encoder);
3389 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3390 amdgpu_atombios_encoder_fini_backlight(amdgpu_encoder);
3391 kfree(amdgpu_encoder->enc_priv);
3392 drm_encoder_cleanup(encoder);
3393 kfree(amdgpu_encoder);
3394}
3395
3396static const struct drm_encoder_funcs dce_v8_0_encoder_funcs = {
3397 .destroy = dce_v8_0_encoder_destroy,
3398};
3399
3400static void dce_v8_0_encoder_add(struct amdgpu_device *adev,
3401 uint32_t encoder_enum,
3402 uint32_t supported_device,
3403 u16 caps)
3404{
3405 struct drm_device *dev = adev_to_drm(adev);
3406 struct drm_encoder *encoder;
3407 struct amdgpu_encoder *amdgpu_encoder;
3408
3409 /* see if we already added it */
3410 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
3411 amdgpu_encoder = to_amdgpu_encoder(encoder);
3412 if (amdgpu_encoder->encoder_enum == encoder_enum) {
3413 amdgpu_encoder->devices |= supported_device;
3414 return;
3415 }
3416
3417 }
3418
3419 /* add a new one */
3420 amdgpu_encoder = kzalloc(sizeof(struct amdgpu_encoder), GFP_KERNEL);
3421 if (!amdgpu_encoder)
3422 return;
3423
3424 encoder = &amdgpu_encoder->base;
3425 switch (adev->mode_info.num_crtc) {
3426 case 1:
3427 encoder->possible_crtcs = 0x1;
3428 break;
3429 case 2:
3430 default:
3431 encoder->possible_crtcs = 0x3;
3432 break;
3433 case 4:
3434 encoder->possible_crtcs = 0xf;
3435 break;
3436 case 6:
3437 encoder->possible_crtcs = 0x3f;
3438 break;
3439 }
3440
3441 amdgpu_encoder->enc_priv = NULL;
3442
3443 amdgpu_encoder->encoder_enum = encoder_enum;
3444 amdgpu_encoder->encoder_id = (encoder_enum & OBJECT_ID_MASK) >> OBJECT_ID_SHIFT;
3445 amdgpu_encoder->devices = supported_device;
3446 amdgpu_encoder->rmx_type = RMX_OFF;
3447 amdgpu_encoder->underscan_type = UNDERSCAN_OFF;
3448 amdgpu_encoder->is_ext_encoder = false;
3449 amdgpu_encoder->caps = caps;
3450
3451 switch (amdgpu_encoder->encoder_id) {
3452 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC1:
3453 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DAC2:
3454 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3455 DRM_MODE_ENCODER_DAC, NULL);
3456 drm_encoder_helper_add(encoder, &dce_v8_0_dac_helper_funcs);
3457 break;
3458 case ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1:
3459 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY:
3460 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY1:
3461 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY2:
3462 case ENCODER_OBJECT_ID_INTERNAL_UNIPHY3:
3463 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
3464 amdgpu_encoder->rmx_type = RMX_FULL;
3465 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3466 DRM_MODE_ENCODER_LVDS, NULL);
3467 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_lcd_info(amdgpu_encoder);
3468 } else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT)) {
3469 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3470 DRM_MODE_ENCODER_DAC, NULL);
3471 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3472 } else {
3473 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3474 DRM_MODE_ENCODER_TMDS, NULL);
3475 amdgpu_encoder->enc_priv = amdgpu_atombios_encoder_get_dig_info(amdgpu_encoder);
3476 }
3477 drm_encoder_helper_add(encoder, &dce_v8_0_dig_helper_funcs);
3478 break;
3479 case ENCODER_OBJECT_ID_SI170B:
3480 case ENCODER_OBJECT_ID_CH7303:
3481 case ENCODER_OBJECT_ID_EXTERNAL_SDVOA:
3482 case ENCODER_OBJECT_ID_EXTERNAL_SDVOB:
3483 case ENCODER_OBJECT_ID_TITFP513:
3484 case ENCODER_OBJECT_ID_VT1623:
3485 case ENCODER_OBJECT_ID_HDMI_SI1930:
3486 case ENCODER_OBJECT_ID_TRAVIS:
3487 case ENCODER_OBJECT_ID_NUTMEG:
3488 /* these are handled by the primary encoders */
3489 amdgpu_encoder->is_ext_encoder = true;
3490 if (amdgpu_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
3491 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3492 DRM_MODE_ENCODER_LVDS, NULL);
3493 else if (amdgpu_encoder->devices & (ATOM_DEVICE_CRT_SUPPORT))
3494 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3495 DRM_MODE_ENCODER_DAC, NULL);
3496 else
3497 drm_encoder_init(dev, encoder, &dce_v8_0_encoder_funcs,
3498 DRM_MODE_ENCODER_TMDS, NULL);
3499 drm_encoder_helper_add(encoder, &dce_v8_0_ext_helper_funcs);
3500 break;
3501 }
3502}
3503
3504static const struct amdgpu_display_funcs dce_v8_0_display_funcs = {
3505 .bandwidth_update = &dce_v8_0_bandwidth_update,
3506 .vblank_get_counter = &dce_v8_0_vblank_get_counter,
3507 .backlight_set_level = &amdgpu_atombios_encoder_set_backlight_level,
3508 .backlight_get_level = &amdgpu_atombios_encoder_get_backlight_level,
3509 .hpd_sense = &dce_v8_0_hpd_sense,
3510 .hpd_set_polarity = &dce_v8_0_hpd_set_polarity,
3511 .hpd_get_gpio_reg = &dce_v8_0_hpd_get_gpio_reg,
3512 .page_flip = &dce_v8_0_page_flip,
3513 .page_flip_get_scanoutpos = &dce_v8_0_crtc_get_scanoutpos,
3514 .add_encoder = &dce_v8_0_encoder_add,
3515 .add_connector = &amdgpu_connector_add,
3516};
3517
3518static void dce_v8_0_set_display_funcs(struct amdgpu_device *adev)
3519{
3520 adev->mode_info.funcs = &dce_v8_0_display_funcs;
3521}
3522
3523static const struct amdgpu_irq_src_funcs dce_v8_0_crtc_irq_funcs = {
3524 .set = dce_v8_0_set_crtc_interrupt_state,
3525 .process = dce_v8_0_crtc_irq,
3526};
3527
3528static const struct amdgpu_irq_src_funcs dce_v8_0_pageflip_irq_funcs = {
3529 .set = dce_v8_0_set_pageflip_interrupt_state,
3530 .process = dce_v8_0_pageflip_irq,
3531};
3532
3533static const struct amdgpu_irq_src_funcs dce_v8_0_hpd_irq_funcs = {
3534 .set = dce_v8_0_set_hpd_interrupt_state,
3535 .process = dce_v8_0_hpd_irq,
3536};
3537
3538static void dce_v8_0_set_irq_funcs(struct amdgpu_device *adev)
3539{
3540 if (adev->mode_info.num_crtc > 0)
3541 adev->crtc_irq.num_types = AMDGPU_CRTC_IRQ_VLINE1 + adev->mode_info.num_crtc;
3542 else
3543 adev->crtc_irq.num_types = 0;
3544 adev->crtc_irq.funcs = &dce_v8_0_crtc_irq_funcs;
3545
3546 adev->pageflip_irq.num_types = adev->mode_info.num_crtc;
3547 adev->pageflip_irq.funcs = &dce_v8_0_pageflip_irq_funcs;
3548
3549 adev->hpd_irq.num_types = adev->mode_info.num_hpd;
3550 adev->hpd_irq.funcs = &dce_v8_0_hpd_irq_funcs;
3551}
3552
3553const struct amdgpu_ip_block_version dce_v8_0_ip_block = {
3554 .type = AMD_IP_BLOCK_TYPE_DCE,
3555 .major = 8,
3556 .minor = 0,
3557 .rev = 0,
3558 .funcs = &dce_v8_0_ip_funcs,
3559};
3560
3561const struct amdgpu_ip_block_version dce_v8_1_ip_block = {
3562 .type = AMD_IP_BLOCK_TYPE_DCE,
3563 .major = 8,
3564 .minor = 1,
3565 .rev = 0,
3566 .funcs = &dce_v8_0_ip_funcs,
3567};
3568
3569const struct amdgpu_ip_block_version dce_v8_2_ip_block = {
3570 .type = AMD_IP_BLOCK_TYPE_DCE,
3571 .major = 8,
3572 .minor = 2,
3573 .rev = 0,
3574 .funcs = &dce_v8_0_ip_funcs,
3575};
3576
3577const struct amdgpu_ip_block_version dce_v8_3_ip_block = {
3578 .type = AMD_IP_BLOCK_TYPE_DCE,
3579 .major = 8,
3580 .minor = 3,
3581 .rev = 0,
3582 .funcs = &dce_v8_0_ip_funcs,
3583};
3584
3585const struct amdgpu_ip_block_version dce_v8_5_ip_block = {
3586 .type = AMD_IP_BLOCK_TYPE_DCE,
3587 .major = 8,
3588 .minor = 5,
3589 .rev = 0,
3590 .funcs = &dce_v8_0_ip_funcs,
3591};