2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
5 * Permission is hereby granted, free of charge, to any person obtaining a
6 * copy of this software and associated documentation files (the "Software"),
7 * to deal in the Software without restriction, including without limitation
8 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
9 * and/or sell copies of the Software, and to permit persons to whom the
10 * Software is furnished to do so, subject to the following conditions:
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
19 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
20 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
21 * OTHER DEALINGS IN THE SOFTWARE.
23 * Authors: Dave Airlie
27 #include <drm/drm_crtc_helper.h>
28 #include <drm/radeon_drm.h>
29 #include <drm/drm_fixed.h>
32 #include "atom-bits.h"
34 static void atombios_overscan_setup(struct drm_crtc *crtc,
35 struct drm_display_mode *mode,
36 struct drm_display_mode *adjusted_mode)
38 struct drm_device *dev = crtc->dev;
39 struct radeon_device *rdev = dev->dev_private;
40 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
41 SET_CRTC_OVERSCAN_PS_ALLOCATION args;
42 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan);
45 memset(&args, 0, sizeof(args));
47 args.ucCRTC = radeon_crtc->crtc_id;
49 switch (radeon_crtc->rmx_type) {
51 args.usOverscanTop = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
52 args.usOverscanBottom = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
53 args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
54 args.usOverscanRight = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
57 a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay;
58 a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay;
61 args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
62 args.usOverscanRight = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
64 args.usOverscanLeft = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
65 args.usOverscanRight = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
70 args.usOverscanRight = radeon_crtc->h_border;
71 args.usOverscanLeft = radeon_crtc->h_border;
72 args.usOverscanBottom = radeon_crtc->v_border;
73 args.usOverscanTop = radeon_crtc->v_border;
76 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
79 static void atombios_scaler_setup(struct drm_crtc *crtc)
81 struct drm_device *dev = crtc->dev;
82 struct radeon_device *rdev = dev->dev_private;
83 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
84 ENABLE_SCALER_PS_ALLOCATION args;
85 int index = GetIndexIntoMasterTable(COMMAND, EnableScaler);
87 /* fixme - fill in enc_priv for atom dac */
88 enum radeon_tv_std tv_std = TV_STD_NTSC;
89 bool is_tv = false, is_cv = false;
90 struct drm_encoder *encoder;
92 if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id)
95 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
97 if (encoder->crtc == crtc) {
98 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
99 if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
100 struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv;
101 tv_std = tv_dac->tv_std;
107 memset(&args, 0, sizeof(args));
109 args.ucScaler = radeon_crtc->crtc_id;
115 args.ucTVStandard = ATOM_TV_NTSC;
118 args.ucTVStandard = ATOM_TV_PAL;
121 args.ucTVStandard = ATOM_TV_PALM;
124 args.ucTVStandard = ATOM_TV_PAL60;
127 args.ucTVStandard = ATOM_TV_NTSCJ;
129 case TV_STD_SCART_PAL:
130 args.ucTVStandard = ATOM_TV_PAL; /* ??? */
133 args.ucTVStandard = ATOM_TV_SECAM;
136 args.ucTVStandard = ATOM_TV_PALCN;
139 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
141 args.ucTVStandard = ATOM_TV_CV;
142 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
144 switch (radeon_crtc->rmx_type) {
146 args.ucEnable = ATOM_SCALER_EXPANSION;
149 args.ucEnable = ATOM_SCALER_CENTER;
152 args.ucEnable = ATOM_SCALER_EXPANSION;
155 if (ASIC_IS_AVIVO(rdev))
156 args.ucEnable = ATOM_SCALER_DISABLE;
158 args.ucEnable = ATOM_SCALER_CENTER;
162 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
164 && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) {
165 atom_rv515_force_tv_scaler(rdev, radeon_crtc);
169 static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
171 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
172 struct drm_device *dev = crtc->dev;
173 struct radeon_device *rdev = dev->dev_private;
175 GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
176 ENABLE_CRTC_PS_ALLOCATION args;
178 memset(&args, 0, sizeof(args));
180 args.ucCRTC = radeon_crtc->crtc_id;
181 args.ucEnable = lock;
183 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
186 static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
188 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
189 struct drm_device *dev = crtc->dev;
190 struct radeon_device *rdev = dev->dev_private;
191 int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
192 ENABLE_CRTC_PS_ALLOCATION args;
194 memset(&args, 0, sizeof(args));
196 args.ucCRTC = radeon_crtc->crtc_id;
197 args.ucEnable = state;
199 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
202 static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
204 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
205 struct drm_device *dev = crtc->dev;
206 struct radeon_device *rdev = dev->dev_private;
207 int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
208 ENABLE_CRTC_PS_ALLOCATION args;
210 memset(&args, 0, sizeof(args));
212 args.ucCRTC = radeon_crtc->crtc_id;
213 args.ucEnable = state;
215 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
218 static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
220 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
221 struct drm_device *dev = crtc->dev;
222 struct radeon_device *rdev = dev->dev_private;
223 int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
224 BLANK_CRTC_PS_ALLOCATION args;
226 memset(&args, 0, sizeof(args));
228 args.ucCRTC = radeon_crtc->crtc_id;
229 args.ucBlanking = state;
231 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
234 void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
236 struct drm_device *dev = crtc->dev;
237 struct radeon_device *rdev = dev->dev_private;
238 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
241 case DRM_MODE_DPMS_ON:
242 radeon_crtc->enabled = true;
243 /* adjust pm to dpms changes BEFORE enabling crtcs */
244 radeon_pm_compute_clocks(rdev);
245 atombios_enable_crtc(crtc, ATOM_ENABLE);
246 if (ASIC_IS_DCE3(rdev))
247 atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
248 atombios_blank_crtc(crtc, ATOM_DISABLE);
249 drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
250 radeon_crtc_load_lut(crtc);
252 case DRM_MODE_DPMS_STANDBY:
253 case DRM_MODE_DPMS_SUSPEND:
254 case DRM_MODE_DPMS_OFF:
255 drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
256 atombios_blank_crtc(crtc, ATOM_ENABLE);
257 if (ASIC_IS_DCE3(rdev))
258 atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
259 atombios_enable_crtc(crtc, ATOM_DISABLE);
260 radeon_crtc->enabled = false;
261 /* adjust pm to dpms changes AFTER disabling crtcs */
262 radeon_pm_compute_clocks(rdev);
268 atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
269 struct drm_display_mode *mode)
271 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
272 struct drm_device *dev = crtc->dev;
273 struct radeon_device *rdev = dev->dev_private;
274 SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
275 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
278 memset(&args, 0, sizeof(args));
279 args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2));
280 args.usH_Blanking_Time =
281 cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2));
282 args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2));
283 args.usV_Blanking_Time =
284 cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2));
285 args.usH_SyncOffset =
286 cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border);
288 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
289 args.usV_SyncOffset =
290 cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border);
292 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
293 args.ucH_Border = radeon_crtc->h_border;
294 args.ucV_Border = radeon_crtc->v_border;
296 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
297 misc |= ATOM_VSYNC_POLARITY;
298 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
299 misc |= ATOM_HSYNC_POLARITY;
300 if (mode->flags & DRM_MODE_FLAG_CSYNC)
301 misc |= ATOM_COMPOSITESYNC;
302 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
303 misc |= ATOM_INTERLACE;
304 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
305 misc |= ATOM_DOUBLE_CLOCK_MODE;
307 args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
308 args.ucCRTC = radeon_crtc->crtc_id;
310 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
313 static void atombios_crtc_set_timing(struct drm_crtc *crtc,
314 struct drm_display_mode *mode)
316 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
317 struct drm_device *dev = crtc->dev;
318 struct radeon_device *rdev = dev->dev_private;
319 SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
320 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
323 memset(&args, 0, sizeof(args));
324 args.usH_Total = cpu_to_le16(mode->crtc_htotal);
325 args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay);
326 args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start);
328 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
329 args.usV_Total = cpu_to_le16(mode->crtc_vtotal);
330 args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay);
331 args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start);
333 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
335 args.ucOverscanRight = radeon_crtc->h_border;
336 args.ucOverscanLeft = radeon_crtc->h_border;
337 args.ucOverscanBottom = radeon_crtc->v_border;
338 args.ucOverscanTop = radeon_crtc->v_border;
340 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
341 misc |= ATOM_VSYNC_POLARITY;
342 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
343 misc |= ATOM_HSYNC_POLARITY;
344 if (mode->flags & DRM_MODE_FLAG_CSYNC)
345 misc |= ATOM_COMPOSITESYNC;
346 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
347 misc |= ATOM_INTERLACE;
348 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
349 misc |= ATOM_DOUBLE_CLOCK_MODE;
351 args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
352 args.ucCRTC = radeon_crtc->crtc_id;
354 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
357 static void atombios_disable_ss(struct drm_crtc *crtc)
359 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
360 struct drm_device *dev = crtc->dev;
361 struct radeon_device *rdev = dev->dev_private;
364 if (ASIC_IS_DCE4(rdev)) {
365 switch (radeon_crtc->pll_id) {
367 ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL);
368 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
369 WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl);
372 ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL);
373 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
374 WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl);
377 case ATOM_PPLL_INVALID:
380 } else if (ASIC_IS_AVIVO(rdev)) {
381 switch (radeon_crtc->pll_id) {
383 ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
385 WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl);
388 ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
390 WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl);
393 case ATOM_PPLL_INVALID:
400 union atom_enable_ss {
401 ENABLE_LVDS_SS_PARAMETERS legacy;
402 ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
405 static void atombios_enable_ss(struct drm_crtc *crtc)
407 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
408 struct drm_device *dev = crtc->dev;
409 struct radeon_device *rdev = dev->dev_private;
410 struct drm_encoder *encoder = NULL;
411 struct radeon_encoder *radeon_encoder = NULL;
412 struct radeon_encoder_atom_dig *dig = NULL;
413 int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
414 union atom_enable_ss args;
415 uint16_t percentage = 0;
416 uint8_t type = 0, step = 0, delay = 0, range = 0;
418 /* XXX add ss support for DCE4 */
419 if (ASIC_IS_DCE4(rdev))
422 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
423 if (encoder->crtc == crtc) {
424 radeon_encoder = to_radeon_encoder(encoder);
425 /* only enable spread spectrum on LVDS */
426 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
427 dig = radeon_encoder->enc_priv;
428 if (dig && dig->ss) {
429 percentage = dig->ss->percentage;
430 type = dig->ss->type;
431 step = dig->ss->step;
432 delay = dig->ss->delay;
433 range = dig->ss->range;
445 memset(&args, 0, sizeof(args));
446 if (ASIC_IS_AVIVO(rdev)) {
447 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
448 args.v1.ucSpreadSpectrumType = type;
449 args.v1.ucSpreadSpectrumStep = step;
450 args.v1.ucSpreadSpectrumDelay = delay;
451 args.v1.ucSpreadSpectrumRange = range;
452 args.v1.ucPpll = radeon_crtc->crtc_id ? ATOM_PPLL2 : ATOM_PPLL1;
453 args.v1.ucEnable = ATOM_ENABLE;
455 args.legacy.usSpreadSpectrumPercentage = cpu_to_le16(percentage);
456 args.legacy.ucSpreadSpectrumType = type;
457 args.legacy.ucSpreadSpectrumStepSize_Delay = (step & 3) << 2;
458 args.legacy.ucSpreadSpectrumStepSize_Delay |= (delay & 7) << 4;
459 args.legacy.ucEnable = ATOM_ENABLE;
461 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
464 union adjust_pixel_clock {
465 ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
466 ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
469 static u32 atombios_adjust_pll(struct drm_crtc *crtc,
470 struct drm_display_mode *mode,
471 struct radeon_pll *pll)
473 struct drm_device *dev = crtc->dev;
474 struct radeon_device *rdev = dev->dev_private;
475 struct drm_encoder *encoder = NULL;
476 struct radeon_encoder *radeon_encoder = NULL;
477 u32 adjusted_clock = mode->clock;
478 int encoder_mode = 0;
479 u32 dp_clock = mode->clock;
482 /* reset the pll flags */
485 /* select the PLL algo */
486 if (ASIC_IS_AVIVO(rdev)) {
487 if (radeon_new_pll == 0)
488 pll->algo = PLL_ALGO_LEGACY;
490 pll->algo = PLL_ALGO_NEW;
492 if (radeon_new_pll == 1)
493 pll->algo = PLL_ALGO_NEW;
495 pll->algo = PLL_ALGO_LEGACY;
498 if (ASIC_IS_AVIVO(rdev)) {
499 if ((rdev->family == CHIP_RS600) ||
500 (rdev->family == CHIP_RS690) ||
501 (rdev->family == CHIP_RS740))
502 pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
503 RADEON_PLL_PREFER_CLOSEST_LOWER);
505 if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */
506 pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
508 pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
510 pll->flags |= RADEON_PLL_LEGACY;
512 if (mode->clock > 200000) /* range limits??? */
513 pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
515 pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
519 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
520 if (encoder->crtc == crtc) {
521 radeon_encoder = to_radeon_encoder(encoder);
522 encoder_mode = atombios_get_encoder_mode(encoder);
523 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
524 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
526 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
527 struct radeon_connector_atom_dig *dig_connector =
528 radeon_connector->con_priv;
530 dp_clock = dig_connector->dp_clock;
534 if (ASIC_IS_AVIVO(rdev)) {
535 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
536 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
537 adjusted_clock = mode->clock * 2;
538 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) {
539 pll->algo = PLL_ALGO_LEGACY;
540 pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
542 /* There is some evidence (often anecdotal) that RV515 LVDS
543 * (on some boards at least) prefers the legacy algo. I'm not
544 * sure whether this should handled generically or on a
545 * case-by-case quirk basis. Both algos should work fine in the
548 if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) &&
549 (rdev->family == CHIP_RV515)) {
550 /* allow the user to overrride just in case */
551 if (radeon_new_pll == 1)
552 pll->algo = PLL_ALGO_NEW;
554 pll->algo = PLL_ALGO_LEGACY;
557 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
558 pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
559 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
560 pll->flags |= RADEON_PLL_USE_REF_DIV;
566 /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
567 * accordingly based on the encoder/transmitter to work around
568 * special hw requirements.
570 if (ASIC_IS_DCE3(rdev)) {
571 union adjust_pixel_clock args;
575 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
576 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
578 return adjusted_clock;
580 memset(&args, 0, sizeof(args));
587 args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
588 args.v1.ucTransmitterID = radeon_encoder->encoder_id;
589 args.v1.ucEncodeMode = encoder_mode;
590 if (encoder_mode == ATOM_ENCODER_MODE_DP) {
591 /* may want to enable SS on DP eventually */
592 /* args.v1.ucConfig |=
593 ADJUST_DISPLAY_CONFIG_SS_ENABLE;*/
594 } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) {
596 ADJUST_DISPLAY_CONFIG_SS_ENABLE;
599 atom_execute_table(rdev->mode_info.atom_context,
600 index, (uint32_t *)&args);
601 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
604 args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
605 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
606 args.v3.sInput.ucEncodeMode = encoder_mode;
607 args.v3.sInput.ucDispPllConfig = 0;
608 if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
609 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
611 if (encoder_mode == ATOM_ENCODER_MODE_DP) {
612 /* may want to enable SS on DP/eDP eventually */
613 /*args.v3.sInput.ucDispPllConfig |=
614 DISPPLL_CONFIG_SS_ENABLE;*/
615 args.v3.sInput.ucDispPllConfig |=
616 DISPPLL_CONFIG_COHERENT_MODE;
618 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
620 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
621 /* deep color support */
622 args.v3.sInput.usPixelClock =
623 cpu_to_le16((mode->clock * bpc / 8) / 10);
625 if (dig->coherent_mode)
626 args.v3.sInput.ucDispPllConfig |=
627 DISPPLL_CONFIG_COHERENT_MODE;
628 if (mode->clock > 165000)
629 args.v3.sInput.ucDispPllConfig |=
630 DISPPLL_CONFIG_DUAL_LINK;
632 } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
633 if (encoder_mode == ATOM_ENCODER_MODE_DP) {
634 /* may want to enable SS on DP/eDP eventually */
635 /*args.v3.sInput.ucDispPllConfig |=
636 DISPPLL_CONFIG_SS_ENABLE;*/
637 args.v3.sInput.ucDispPllConfig |=
638 DISPPLL_CONFIG_COHERENT_MODE;
640 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
641 } else if (encoder_mode == ATOM_ENCODER_MODE_LVDS) {
642 /* want to enable SS on LVDS eventually */
643 /*args.v3.sInput.ucDispPllConfig |=
644 DISPPLL_CONFIG_SS_ENABLE;*/
646 if (mode->clock > 165000)
647 args.v3.sInput.ucDispPllConfig |=
648 DISPPLL_CONFIG_DUAL_LINK;
651 atom_execute_table(rdev->mode_info.atom_context,
652 index, (uint32_t *)&args);
653 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
654 if (args.v3.sOutput.ucRefDiv) {
655 pll->flags |= RADEON_PLL_USE_REF_DIV;
656 pll->reference_div = args.v3.sOutput.ucRefDiv;
658 if (args.v3.sOutput.ucPostDiv) {
659 pll->flags |= RADEON_PLL_USE_POST_DIV;
660 pll->post_div = args.v3.sOutput.ucPostDiv;
664 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
665 return adjusted_clock;
669 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
670 return adjusted_clock;
673 return adjusted_clock;
676 union set_pixel_clock {
677 SET_PIXEL_CLOCK_PS_ALLOCATION base;
678 PIXEL_CLOCK_PARAMETERS v1;
679 PIXEL_CLOCK_PARAMETERS_V2 v2;
680 PIXEL_CLOCK_PARAMETERS_V3 v3;
681 PIXEL_CLOCK_PARAMETERS_V5 v5;
684 static void atombios_crtc_set_dcpll(struct drm_crtc *crtc)
686 struct drm_device *dev = crtc->dev;
687 struct radeon_device *rdev = dev->dev_private;
690 union set_pixel_clock args;
692 memset(&args, 0, sizeof(args));
694 index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
695 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
703 /* if the default dcpll clock is specified,
704 * SetPixelClock provides the dividers
706 args.v5.ucCRTC = ATOM_CRTC_INVALID;
707 args.v5.usPixelClock = rdev->clock.default_dispclk;
708 args.v5.ucPpll = ATOM_DCPLL;
711 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
716 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
719 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
722 static void atombios_crtc_program_pll(struct drm_crtc *crtc,
733 struct drm_device *dev = crtc->dev;
734 struct radeon_device *rdev = dev->dev_private;
736 int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
737 union set_pixel_clock args;
739 memset(&args, 0, sizeof(args));
741 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
749 if (clock == ATOM_DISABLE)
751 args.v1.usPixelClock = cpu_to_le16(clock / 10);
752 args.v1.usRefDiv = cpu_to_le16(ref_div);
753 args.v1.usFbDiv = cpu_to_le16(fb_div);
754 args.v1.ucFracFbDiv = frac_fb_div;
755 args.v1.ucPostDiv = post_div;
756 args.v1.ucPpll = pll_id;
757 args.v1.ucCRTC = crtc_id;
758 args.v1.ucRefDivSrc = 1;
761 args.v2.usPixelClock = cpu_to_le16(clock / 10);
762 args.v2.usRefDiv = cpu_to_le16(ref_div);
763 args.v2.usFbDiv = cpu_to_le16(fb_div);
764 args.v2.ucFracFbDiv = frac_fb_div;
765 args.v2.ucPostDiv = post_div;
766 args.v2.ucPpll = pll_id;
767 args.v2.ucCRTC = crtc_id;
768 args.v2.ucRefDivSrc = 1;
771 args.v3.usPixelClock = cpu_to_le16(clock / 10);
772 args.v3.usRefDiv = cpu_to_le16(ref_div);
773 args.v3.usFbDiv = cpu_to_le16(fb_div);
774 args.v3.ucFracFbDiv = frac_fb_div;
775 args.v3.ucPostDiv = post_div;
776 args.v3.ucPpll = pll_id;
777 args.v3.ucMiscInfo = (pll_id << 2);
778 args.v3.ucTransmitterId = encoder_id;
779 args.v3.ucEncoderMode = encoder_mode;
782 args.v5.ucCRTC = crtc_id;
783 args.v5.usPixelClock = cpu_to_le16(clock / 10);
784 args.v5.ucRefDiv = ref_div;
785 args.v5.usFbDiv = cpu_to_le16(fb_div);
786 args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
787 args.v5.ucPostDiv = post_div;
788 args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
789 args.v5.ucTransmitterID = encoder_id;
790 args.v5.ucEncoderMode = encoder_mode;
791 args.v5.ucPpll = pll_id;
794 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
799 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
803 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
806 static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
808 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
809 struct drm_device *dev = crtc->dev;
810 struct radeon_device *rdev = dev->dev_private;
811 struct drm_encoder *encoder = NULL;
812 struct radeon_encoder *radeon_encoder = NULL;
813 u32 pll_clock = mode->clock;
814 u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
815 struct radeon_pll *pll;
817 int encoder_mode = 0;
819 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
820 if (encoder->crtc == crtc) {
821 radeon_encoder = to_radeon_encoder(encoder);
822 encoder_mode = atombios_get_encoder_mode(encoder);
830 switch (radeon_crtc->pll_id) {
832 pll = &rdev->clock.p1pll;
835 pll = &rdev->clock.p2pll;
838 case ATOM_PPLL_INVALID:
840 pll = &rdev->clock.dcpll;
844 /* adjust pixel clock as needed */
845 adjusted_clock = atombios_adjust_pll(crtc, mode, pll);
847 radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
848 &ref_div, &post_div);
850 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
851 encoder_mode, radeon_encoder->encoder_id, mode->clock,
852 ref_div, fb_div, frac_fb_div, post_div);
856 static int evergreen_crtc_set_base(struct drm_crtc *crtc, int x, int y,
857 struct drm_framebuffer *old_fb)
859 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
860 struct drm_device *dev = crtc->dev;
861 struct radeon_device *rdev = dev->dev_private;
862 struct radeon_framebuffer *radeon_fb;
863 struct drm_gem_object *obj;
864 struct radeon_bo *rbo;
865 uint64_t fb_location;
866 uint32_t fb_format, fb_pitch_pixels, tiling_flags;
871 DRM_DEBUG_KMS("No FB bound\n");
875 radeon_fb = to_radeon_framebuffer(crtc->fb);
877 /* Pin framebuffer & get tilling informations */
878 obj = radeon_fb->obj;
879 rbo = obj->driver_private;
880 r = radeon_bo_reserve(rbo, false);
881 if (unlikely(r != 0))
883 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
884 if (unlikely(r != 0)) {
885 radeon_bo_unreserve(rbo);
888 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
889 radeon_bo_unreserve(rbo);
891 switch (crtc->fb->bits_per_pixel) {
893 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
894 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
897 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
898 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
901 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
902 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
906 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
907 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
910 DRM_ERROR("Unsupported screen depth %d\n",
911 crtc->fb->bits_per_pixel);
915 if (tiling_flags & RADEON_TILING_MACRO)
916 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
917 else if (tiling_flags & RADEON_TILING_MICRO)
918 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
920 switch (radeon_crtc->crtc_id) {
922 WREG32(AVIVO_D1VGA_CONTROL, 0);
925 WREG32(AVIVO_D2VGA_CONTROL, 0);
928 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
931 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
934 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
937 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
943 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
944 upper_32_bits(fb_location));
945 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
946 upper_32_bits(fb_location));
947 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
948 (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
949 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
950 (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
951 WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
953 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
954 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
955 WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
956 WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
957 WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width);
958 WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height);
960 fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
961 WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
962 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
964 WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
965 crtc->mode.vdisplay);
968 WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
970 WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
971 (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
973 if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
974 WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset,
975 EVERGREEN_INTERLEAVE_EN);
977 WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
979 if (old_fb && old_fb != crtc->fb) {
980 radeon_fb = to_radeon_framebuffer(old_fb);
981 rbo = radeon_fb->obj->driver_private;
982 r = radeon_bo_reserve(rbo, false);
983 if (unlikely(r != 0))
985 radeon_bo_unpin(rbo);
986 radeon_bo_unreserve(rbo);
989 /* Bytes per pixel may have changed */
990 radeon_bandwidth_update(rdev);
995 static int avivo_crtc_set_base(struct drm_crtc *crtc, int x, int y,
996 struct drm_framebuffer *old_fb)
998 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
999 struct drm_device *dev = crtc->dev;
1000 struct radeon_device *rdev = dev->dev_private;
1001 struct radeon_framebuffer *radeon_fb;
1002 struct drm_gem_object *obj;
1003 struct radeon_bo *rbo;
1004 uint64_t fb_location;
1005 uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1010 DRM_DEBUG_KMS("No FB bound\n");
1014 radeon_fb = to_radeon_framebuffer(crtc->fb);
1016 /* Pin framebuffer & get tilling informations */
1017 obj = radeon_fb->obj;
1018 rbo = obj->driver_private;
1019 r = radeon_bo_reserve(rbo, false);
1020 if (unlikely(r != 0))
1022 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1023 if (unlikely(r != 0)) {
1024 radeon_bo_unreserve(rbo);
1027 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1028 radeon_bo_unreserve(rbo);
1030 switch (crtc->fb->bits_per_pixel) {
1033 AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
1034 AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
1038 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1039 AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
1043 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1044 AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
1049 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
1050 AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
1053 DRM_ERROR("Unsupported screen depth %d\n",
1054 crtc->fb->bits_per_pixel);
1058 if (rdev->family >= CHIP_R600) {
1059 if (tiling_flags & RADEON_TILING_MACRO)
1060 fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1;
1061 else if (tiling_flags & RADEON_TILING_MICRO)
1062 fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1;
1064 if (tiling_flags & RADEON_TILING_MACRO)
1065 fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
1067 if (tiling_flags & RADEON_TILING_MICRO)
1068 fb_format |= AVIVO_D1GRPH_TILED;
1071 if (radeon_crtc->crtc_id == 0)
1072 WREG32(AVIVO_D1VGA_CONTROL, 0);
1074 WREG32(AVIVO_D2VGA_CONTROL, 0);
1076 if (rdev->family >= CHIP_RV770) {
1077 if (radeon_crtc->crtc_id) {
1078 WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1079 WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1081 WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1082 WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1085 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1087 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
1088 radeon_crtc->crtc_offset, (u32) fb_location);
1089 WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1091 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1092 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1093 WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
1094 WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1095 WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, crtc->fb->width);
1096 WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, crtc->fb->height);
1098 fb_pitch_pixels = crtc->fb->pitch / (crtc->fb->bits_per_pixel / 8);
1099 WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1100 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1102 WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1103 crtc->mode.vdisplay);
1106 WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
1108 WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1109 (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
1111 if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
1112 WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
1113 AVIVO_D1MODE_INTERLEAVE_EN);
1115 WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
1117 if (old_fb && old_fb != crtc->fb) {
1118 radeon_fb = to_radeon_framebuffer(old_fb);
1119 rbo = radeon_fb->obj->driver_private;
1120 r = radeon_bo_reserve(rbo, false);
1121 if (unlikely(r != 0))
1123 radeon_bo_unpin(rbo);
1124 radeon_bo_unreserve(rbo);
1127 /* Bytes per pixel may have changed */
1128 radeon_bandwidth_update(rdev);
1133 int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
1134 struct drm_framebuffer *old_fb)
1136 struct drm_device *dev = crtc->dev;
1137 struct radeon_device *rdev = dev->dev_private;
1139 if (ASIC_IS_DCE4(rdev))
1140 return evergreen_crtc_set_base(crtc, x, y, old_fb);
1141 else if (ASIC_IS_AVIVO(rdev))
1142 return avivo_crtc_set_base(crtc, x, y, old_fb);
1144 return radeon_crtc_set_base(crtc, x, y, old_fb);
1147 /* properly set additional regs when using atombios */
1148 static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
1150 struct drm_device *dev = crtc->dev;
1151 struct radeon_device *rdev = dev->dev_private;
1152 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1153 u32 disp_merge_cntl;
1155 switch (radeon_crtc->crtc_id) {
1157 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
1158 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
1159 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
1162 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
1163 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
1164 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
1165 WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
1166 WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
1171 static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1173 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1174 struct drm_device *dev = crtc->dev;
1175 struct radeon_device *rdev = dev->dev_private;
1176 struct drm_encoder *test_encoder;
1177 struct drm_crtc *test_crtc;
1178 uint32_t pll_in_use = 0;
1180 if (ASIC_IS_DCE4(rdev)) {
1181 /* if crtc is driving DP and we have an ext clock, use that */
1182 list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
1183 if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
1184 if (atombios_get_encoder_mode(test_encoder) == ATOM_ENCODER_MODE_DP) {
1185 if (rdev->clock.dp_extclk)
1186 return ATOM_PPLL_INVALID;
1191 /* otherwise, pick one of the plls */
1192 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1193 struct radeon_crtc *radeon_test_crtc;
1195 if (crtc == test_crtc)
1198 radeon_test_crtc = to_radeon_crtc(test_crtc);
1199 if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) &&
1200 (radeon_test_crtc->pll_id <= ATOM_PPLL2))
1201 pll_in_use |= (1 << radeon_test_crtc->pll_id);
1203 if (!(pll_in_use & 1))
1207 return radeon_crtc->crtc_id;
1211 int atombios_crtc_mode_set(struct drm_crtc *crtc,
1212 struct drm_display_mode *mode,
1213 struct drm_display_mode *adjusted_mode,
1214 int x, int y, struct drm_framebuffer *old_fb)
1216 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1217 struct drm_device *dev = crtc->dev;
1218 struct radeon_device *rdev = dev->dev_private;
1219 struct drm_encoder *encoder;
1220 bool is_tvcv = false;
1222 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1224 if (encoder->crtc == crtc) {
1225 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1226 if (radeon_encoder->active_device &
1227 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
1232 atombios_disable_ss(crtc);
1233 /* always set DCPLL */
1234 if (ASIC_IS_DCE4(rdev))
1235 atombios_crtc_set_dcpll(crtc);
1236 atombios_crtc_set_pll(crtc, adjusted_mode);
1237 atombios_enable_ss(crtc);
1239 if (ASIC_IS_DCE4(rdev))
1240 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1241 else if (ASIC_IS_AVIVO(rdev)) {
1243 atombios_crtc_set_timing(crtc, adjusted_mode);
1245 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1247 atombios_crtc_set_timing(crtc, adjusted_mode);
1248 if (radeon_crtc->crtc_id == 0)
1249 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1250 radeon_legacy_atom_fixup(crtc);
1252 atombios_crtc_set_base(crtc, x, y, old_fb);
1253 atombios_overscan_setup(crtc, mode, adjusted_mode);
1254 atombios_scaler_setup(crtc);
1258 static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
1259 struct drm_display_mode *mode,
1260 struct drm_display_mode *adjusted_mode)
1262 struct drm_device *dev = crtc->dev;
1263 struct radeon_device *rdev = dev->dev_private;
1265 /* adjust pm to upcoming mode change */
1266 radeon_pm_compute_clocks(rdev);
1268 if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
1273 static void atombios_crtc_prepare(struct drm_crtc *crtc)
1275 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1278 radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
1280 atombios_lock_crtc(crtc, ATOM_ENABLE);
1281 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1284 static void atombios_crtc_commit(struct drm_crtc *crtc)
1286 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
1287 atombios_lock_crtc(crtc, ATOM_DISABLE);
1290 static void atombios_crtc_disable(struct drm_crtc *crtc)
1292 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1293 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1295 switch (radeon_crtc->pll_id) {
1298 /* disable the ppll */
1299 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1300 0, 0, ATOM_DISABLE, 0, 0, 0, 0);
1305 radeon_crtc->pll_id = -1;
1308 static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
1309 .dpms = atombios_crtc_dpms,
1310 .mode_fixup = atombios_crtc_mode_fixup,
1311 .mode_set = atombios_crtc_mode_set,
1312 .mode_set_base = atombios_crtc_set_base,
1313 .prepare = atombios_crtc_prepare,
1314 .commit = atombios_crtc_commit,
1315 .load_lut = radeon_crtc_load_lut,
1316 .disable = atombios_crtc_disable,
1319 void radeon_atombios_init_crtc(struct drm_device *dev,
1320 struct radeon_crtc *radeon_crtc)
1322 struct radeon_device *rdev = dev->dev_private;
1324 if (ASIC_IS_DCE4(rdev)) {
1325 switch (radeon_crtc->crtc_id) {
1328 radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
1331 radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
1334 radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
1337 radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
1340 radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
1343 radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
1347 if (radeon_crtc->crtc_id == 1)
1348 radeon_crtc->crtc_offset =
1349 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
1351 radeon_crtc->crtc_offset = 0;
1353 radeon_crtc->pll_id = -1;
1354 drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);