tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 * Copyright 2007-8 Advanced Micro Devices, Inc.
3 * Copyright 2008 Red Hat Inc.
4 *
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:
11 *
12 * The above copyright notice and this permission notice shall be included in
13 * all copies or substantial portions of the Software.
14 *
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.
22 *
23 * Authors: Dave Airlie
24 * Alex Deucher
25 */
26#include <drm/drmP.h>
27#include <drm/drm_crtc_helper.h>
28#include <drm/radeon_drm.h>
29#include <drm/drm_fixed.h>
30#include "radeon.h"
31#include "atom.h"
32#include "atom-bits.h"
33
34static void atombios_overscan_setup(struct drm_crtc *crtc,
35 struct drm_display_mode *mode,
36 struct drm_display_mode *adjusted_mode)
37{
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);
43 int a1, a2;
44
45 memset(&args, 0, sizeof(args));
46
47 args.ucCRTC = radeon_crtc->crtc_id;
48
49 switch (radeon_crtc->rmx_type) {
50 case RMX_CENTER:
51 args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2);
52 args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2);
53 args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2);
54 args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2);
55 break;
56 case RMX_ASPECT:
57 a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay;
58 a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay;
59
60 if (a1 > a2) {
61 args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2);
62 args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2);
63 } else if (a2 > a1) {
64 args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
65 args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
66 }
67 break;
68 case RMX_FULL:
69 default:
70 args.usOverscanRight = cpu_to_le16(radeon_crtc->h_border);
71 args.usOverscanLeft = cpu_to_le16(radeon_crtc->h_border);
72 args.usOverscanBottom = cpu_to_le16(radeon_crtc->v_border);
73 args.usOverscanTop = cpu_to_le16(radeon_crtc->v_border);
74 break;
75 }
76 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
77}
78
79static void atombios_scaler_setup(struct drm_crtc *crtc)
80{
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);
86
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;
91
92 if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id)
93 return;
94
95 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
96 /* find tv std */
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;
102 is_tv = true;
103 }
104 }
105 }
106
107 memset(&args, 0, sizeof(args));
108
109 args.ucScaler = radeon_crtc->crtc_id;
110
111 if (is_tv) {
112 switch (tv_std) {
113 case TV_STD_NTSC:
114 default:
115 args.ucTVStandard = ATOM_TV_NTSC;
116 break;
117 case TV_STD_PAL:
118 args.ucTVStandard = ATOM_TV_PAL;
119 break;
120 case TV_STD_PAL_M:
121 args.ucTVStandard = ATOM_TV_PALM;
122 break;
123 case TV_STD_PAL_60:
124 args.ucTVStandard = ATOM_TV_PAL60;
125 break;
126 case TV_STD_NTSC_J:
127 args.ucTVStandard = ATOM_TV_NTSCJ;
128 break;
129 case TV_STD_SCART_PAL:
130 args.ucTVStandard = ATOM_TV_PAL; /* ??? */
131 break;
132 case TV_STD_SECAM:
133 args.ucTVStandard = ATOM_TV_SECAM;
134 break;
135 case TV_STD_PAL_CN:
136 args.ucTVStandard = ATOM_TV_PALCN;
137 break;
138 }
139 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
140 } else if (is_cv) {
141 args.ucTVStandard = ATOM_TV_CV;
142 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
143 } else {
144 switch (radeon_crtc->rmx_type) {
145 case RMX_FULL:
146 args.ucEnable = ATOM_SCALER_EXPANSION;
147 break;
148 case RMX_CENTER:
149 args.ucEnable = ATOM_SCALER_CENTER;
150 break;
151 case RMX_ASPECT:
152 args.ucEnable = ATOM_SCALER_EXPANSION;
153 break;
154 default:
155 if (ASIC_IS_AVIVO(rdev))
156 args.ucEnable = ATOM_SCALER_DISABLE;
157 else
158 args.ucEnable = ATOM_SCALER_CENTER;
159 break;
160 }
161 }
162 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
163 if ((is_tv || is_cv)
164 && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) {
165 atom_rv515_force_tv_scaler(rdev, radeon_crtc);
166 }
167}
168
169static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
170{
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;
174 int index =
175 GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
176 ENABLE_CRTC_PS_ALLOCATION args;
177
178 memset(&args, 0, sizeof(args));
179
180 args.ucCRTC = radeon_crtc->crtc_id;
181 args.ucEnable = lock;
182
183 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
184}
185
186static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
187{
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;
193
194 memset(&args, 0, sizeof(args));
195
196 args.ucCRTC = radeon_crtc->crtc_id;
197 args.ucEnable = state;
198
199 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
200}
201
202static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
203{
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;
209
210 memset(&args, 0, sizeof(args));
211
212 args.ucCRTC = radeon_crtc->crtc_id;
213 args.ucEnable = state;
214
215 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
216}
217
218static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
219{
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;
225
226 memset(&args, 0, sizeof(args));
227
228 args.ucCRTC = radeon_crtc->crtc_id;
229 args.ucBlanking = state;
230
231 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
232}
233
234static void atombios_powergate_crtc(struct drm_crtc *crtc, int state)
235{
236 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
237 struct drm_device *dev = crtc->dev;
238 struct radeon_device *rdev = dev->dev_private;
239 int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating);
240 ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args;
241
242 memset(&args, 0, sizeof(args));
243
244 args.ucDispPipeId = radeon_crtc->crtc_id;
245 args.ucEnable = state;
246
247 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
248}
249
250void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
251{
252 struct drm_device *dev = crtc->dev;
253 struct radeon_device *rdev = dev->dev_private;
254 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
255
256 switch (mode) {
257 case DRM_MODE_DPMS_ON:
258 radeon_crtc->enabled = true;
259 /* adjust pm to dpms changes BEFORE enabling crtcs */
260 radeon_pm_compute_clocks(rdev);
261 /* disable crtc pair power gating before programming */
262 if (ASIC_IS_DCE6(rdev))
263 atombios_powergate_crtc(crtc, ATOM_DISABLE);
264 atombios_enable_crtc(crtc, ATOM_ENABLE);
265 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
266 atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
267 atombios_blank_crtc(crtc, ATOM_DISABLE);
268 drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
269 radeon_crtc_load_lut(crtc);
270 break;
271 case DRM_MODE_DPMS_STANDBY:
272 case DRM_MODE_DPMS_SUSPEND:
273 case DRM_MODE_DPMS_OFF:
274 drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
275 if (radeon_crtc->enabled)
276 atombios_blank_crtc(crtc, ATOM_ENABLE);
277 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
278 atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
279 atombios_enable_crtc(crtc, ATOM_DISABLE);
280 radeon_crtc->enabled = false;
281 /* power gating is per-pair */
282 if (ASIC_IS_DCE6(rdev)) {
283 struct drm_crtc *other_crtc;
284 struct radeon_crtc *other_radeon_crtc;
285 list_for_each_entry(other_crtc, &rdev->ddev->mode_config.crtc_list, head) {
286 other_radeon_crtc = to_radeon_crtc(other_crtc);
287 if (((radeon_crtc->crtc_id == 0) && (other_radeon_crtc->crtc_id == 1)) ||
288 ((radeon_crtc->crtc_id == 1) && (other_radeon_crtc->crtc_id == 0)) ||
289 ((radeon_crtc->crtc_id == 2) && (other_radeon_crtc->crtc_id == 3)) ||
290 ((radeon_crtc->crtc_id == 3) && (other_radeon_crtc->crtc_id == 2)) ||
291 ((radeon_crtc->crtc_id == 4) && (other_radeon_crtc->crtc_id == 5)) ||
292 ((radeon_crtc->crtc_id == 5) && (other_radeon_crtc->crtc_id == 4))) {
293 /* if both crtcs in the pair are off, enable power gating */
294 if (other_radeon_crtc->enabled == false)
295 atombios_powergate_crtc(crtc, ATOM_ENABLE);
296 break;
297 }
298 }
299 }
300 /* adjust pm to dpms changes AFTER disabling crtcs */
301 radeon_pm_compute_clocks(rdev);
302 break;
303 }
304}
305
306static void
307atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
308 struct drm_display_mode *mode)
309{
310 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
311 struct drm_device *dev = crtc->dev;
312 struct radeon_device *rdev = dev->dev_private;
313 SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
314 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
315 u16 misc = 0;
316
317 memset(&args, 0, sizeof(args));
318 args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2));
319 args.usH_Blanking_Time =
320 cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2));
321 args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2));
322 args.usV_Blanking_Time =
323 cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2));
324 args.usH_SyncOffset =
325 cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border);
326 args.usH_SyncWidth =
327 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
328 args.usV_SyncOffset =
329 cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border);
330 args.usV_SyncWidth =
331 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
332 args.ucH_Border = radeon_crtc->h_border;
333 args.ucV_Border = radeon_crtc->v_border;
334
335 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
336 misc |= ATOM_VSYNC_POLARITY;
337 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
338 misc |= ATOM_HSYNC_POLARITY;
339 if (mode->flags & DRM_MODE_FLAG_CSYNC)
340 misc |= ATOM_COMPOSITESYNC;
341 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
342 misc |= ATOM_INTERLACE;
343 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
344 misc |= ATOM_DOUBLE_CLOCK_MODE;
345
346 args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
347 args.ucCRTC = radeon_crtc->crtc_id;
348
349 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
350}
351
352static void atombios_crtc_set_timing(struct drm_crtc *crtc,
353 struct drm_display_mode *mode)
354{
355 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
356 struct drm_device *dev = crtc->dev;
357 struct radeon_device *rdev = dev->dev_private;
358 SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
359 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
360 u16 misc = 0;
361
362 memset(&args, 0, sizeof(args));
363 args.usH_Total = cpu_to_le16(mode->crtc_htotal);
364 args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay);
365 args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start);
366 args.usH_SyncWidth =
367 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
368 args.usV_Total = cpu_to_le16(mode->crtc_vtotal);
369 args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay);
370 args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start);
371 args.usV_SyncWidth =
372 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
373
374 args.ucOverscanRight = radeon_crtc->h_border;
375 args.ucOverscanLeft = radeon_crtc->h_border;
376 args.ucOverscanBottom = radeon_crtc->v_border;
377 args.ucOverscanTop = radeon_crtc->v_border;
378
379 if (mode->flags & DRM_MODE_FLAG_NVSYNC)
380 misc |= ATOM_VSYNC_POLARITY;
381 if (mode->flags & DRM_MODE_FLAG_NHSYNC)
382 misc |= ATOM_HSYNC_POLARITY;
383 if (mode->flags & DRM_MODE_FLAG_CSYNC)
384 misc |= ATOM_COMPOSITESYNC;
385 if (mode->flags & DRM_MODE_FLAG_INTERLACE)
386 misc |= ATOM_INTERLACE;
387 if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
388 misc |= ATOM_DOUBLE_CLOCK_MODE;
389
390 args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
391 args.ucCRTC = radeon_crtc->crtc_id;
392
393 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
394}
395
396static void atombios_disable_ss(struct radeon_device *rdev, int pll_id)
397{
398 u32 ss_cntl;
399
400 if (ASIC_IS_DCE4(rdev)) {
401 switch (pll_id) {
402 case ATOM_PPLL1:
403 ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL);
404 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
405 WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl);
406 break;
407 case ATOM_PPLL2:
408 ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL);
409 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
410 WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl);
411 break;
412 case ATOM_DCPLL:
413 case ATOM_PPLL_INVALID:
414 return;
415 }
416 } else if (ASIC_IS_AVIVO(rdev)) {
417 switch (pll_id) {
418 case ATOM_PPLL1:
419 ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
420 ss_cntl &= ~1;
421 WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl);
422 break;
423 case ATOM_PPLL2:
424 ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
425 ss_cntl &= ~1;
426 WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl);
427 break;
428 case ATOM_DCPLL:
429 case ATOM_PPLL_INVALID:
430 return;
431 }
432 }
433}
434
435
436union atom_enable_ss {
437 ENABLE_LVDS_SS_PARAMETERS lvds_ss;
438 ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2;
439 ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
440 ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2;
441 ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3;
442};
443
444static void atombios_crtc_program_ss(struct radeon_device *rdev,
445 int enable,
446 int pll_id,
447 struct radeon_atom_ss *ss)
448{
449 int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
450 union atom_enable_ss args;
451
452 memset(&args, 0, sizeof(args));
453
454 if (ASIC_IS_DCE5(rdev)) {
455 args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0);
456 args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
457 switch (pll_id) {
458 case ATOM_PPLL1:
459 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
460 args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
461 args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
462 break;
463 case ATOM_PPLL2:
464 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
465 args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
466 args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
467 break;
468 case ATOM_DCPLL:
469 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
470 args.v3.usSpreadSpectrumAmount = cpu_to_le16(0);
471 args.v3.usSpreadSpectrumStep = cpu_to_le16(0);
472 break;
473 case ATOM_PPLL_INVALID:
474 return;
475 }
476 args.v3.ucEnable = enable;
477 if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE61(rdev))
478 args.v3.ucEnable = ATOM_DISABLE;
479 } else if (ASIC_IS_DCE4(rdev)) {
480 args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
481 args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
482 switch (pll_id) {
483 case ATOM_PPLL1:
484 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
485 args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
486 args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
487 break;
488 case ATOM_PPLL2:
489 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL;
490 args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
491 args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
492 break;
493 case ATOM_DCPLL:
494 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL;
495 args.v2.usSpreadSpectrumAmount = cpu_to_le16(0);
496 args.v2.usSpreadSpectrumStep = cpu_to_le16(0);
497 break;
498 case ATOM_PPLL_INVALID:
499 return;
500 }
501 args.v2.ucEnable = enable;
502 if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE41(rdev))
503 args.v2.ucEnable = ATOM_DISABLE;
504 } else if (ASIC_IS_DCE3(rdev)) {
505 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
506 args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
507 args.v1.ucSpreadSpectrumStep = ss->step;
508 args.v1.ucSpreadSpectrumDelay = ss->delay;
509 args.v1.ucSpreadSpectrumRange = ss->range;
510 args.v1.ucPpll = pll_id;
511 args.v1.ucEnable = enable;
512 } else if (ASIC_IS_AVIVO(rdev)) {
513 if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
514 (ss->type & ATOM_EXTERNAL_SS_MASK)) {
515 atombios_disable_ss(rdev, pll_id);
516 return;
517 }
518 args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
519 args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
520 args.lvds_ss_2.ucSpreadSpectrumStep = ss->step;
521 args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay;
522 args.lvds_ss_2.ucSpreadSpectrumRange = ss->range;
523 args.lvds_ss_2.ucEnable = enable;
524 } else {
525 if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
526 (ss->type & ATOM_EXTERNAL_SS_MASK)) {
527 atombios_disable_ss(rdev, pll_id);
528 return;
529 }
530 args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
531 args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
532 args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2;
533 args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4;
534 args.lvds_ss.ucEnable = enable;
535 }
536 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
537}
538
539union adjust_pixel_clock {
540 ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
541 ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
542};
543
544static u32 atombios_adjust_pll(struct drm_crtc *crtc,
545 struct drm_display_mode *mode,
546 struct radeon_pll *pll,
547 bool ss_enabled,
548 struct radeon_atom_ss *ss)
549{
550 struct drm_device *dev = crtc->dev;
551 struct radeon_device *rdev = dev->dev_private;
552 struct drm_encoder *encoder = NULL;
553 struct radeon_encoder *radeon_encoder = NULL;
554 struct drm_connector *connector = NULL;
555 u32 adjusted_clock = mode->clock;
556 int encoder_mode = 0;
557 u32 dp_clock = mode->clock;
558 int bpc = 8;
559 bool is_duallink = false;
560
561 /* reset the pll flags */
562 pll->flags = 0;
563
564 if (ASIC_IS_AVIVO(rdev)) {
565 if ((rdev->family == CHIP_RS600) ||
566 (rdev->family == CHIP_RS690) ||
567 (rdev->family == CHIP_RS740))
568 pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
569 RADEON_PLL_PREFER_CLOSEST_LOWER);
570
571 if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */
572 pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
573 else
574 pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
575
576 if (rdev->family < CHIP_RV770)
577 pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
578 /* use frac fb div on APUs */
579 if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
580 pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
581 } else {
582 pll->flags |= RADEON_PLL_LEGACY;
583
584 if (mode->clock > 200000) /* range limits??? */
585 pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
586 else
587 pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
588 }
589
590 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
591 if (encoder->crtc == crtc) {
592 radeon_encoder = to_radeon_encoder(encoder);
593 connector = radeon_get_connector_for_encoder(encoder);
594 bpc = radeon_get_monitor_bpc(connector);
595 encoder_mode = atombios_get_encoder_mode(encoder);
596 is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock);
597 if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
598 (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
599 if (connector) {
600 struct radeon_connector *radeon_connector = to_radeon_connector(connector);
601 struct radeon_connector_atom_dig *dig_connector =
602 radeon_connector->con_priv;
603
604 dp_clock = dig_connector->dp_clock;
605 }
606 }
607
608 /* use recommended ref_div for ss */
609 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
610 if (ss_enabled) {
611 if (ss->refdiv) {
612 pll->flags |= RADEON_PLL_USE_REF_DIV;
613 pll->reference_div = ss->refdiv;
614 if (ASIC_IS_AVIVO(rdev))
615 pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
616 }
617 }
618 }
619
620 if (ASIC_IS_AVIVO(rdev)) {
621 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
622 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
623 adjusted_clock = mode->clock * 2;
624 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
625 pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
626 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
627 pll->flags |= RADEON_PLL_IS_LCD;
628 } else {
629 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
630 pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
631 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
632 pll->flags |= RADEON_PLL_USE_REF_DIV;
633 }
634 break;
635 }
636 }
637
638 /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
639 * accordingly based on the encoder/transmitter to work around
640 * special hw requirements.
641 */
642 if (ASIC_IS_DCE3(rdev)) {
643 union adjust_pixel_clock args;
644 u8 frev, crev;
645 int index;
646
647 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
648 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
649 &crev))
650 return adjusted_clock;
651
652 memset(&args, 0, sizeof(args));
653
654 switch (frev) {
655 case 1:
656 switch (crev) {
657 case 1:
658 case 2:
659 args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
660 args.v1.ucTransmitterID = radeon_encoder->encoder_id;
661 args.v1.ucEncodeMode = encoder_mode;
662 if (ss_enabled && ss->percentage)
663 args.v1.ucConfig |=
664 ADJUST_DISPLAY_CONFIG_SS_ENABLE;
665
666 atom_execute_table(rdev->mode_info.atom_context,
667 index, (uint32_t *)&args);
668 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
669 break;
670 case 3:
671 args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
672 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
673 args.v3.sInput.ucEncodeMode = encoder_mode;
674 args.v3.sInput.ucDispPllConfig = 0;
675 if (ss_enabled && ss->percentage)
676 args.v3.sInput.ucDispPllConfig |=
677 DISPPLL_CONFIG_SS_ENABLE;
678 if (ENCODER_MODE_IS_DP(encoder_mode)) {
679 args.v3.sInput.ucDispPllConfig |=
680 DISPPLL_CONFIG_COHERENT_MODE;
681 /* 16200 or 27000 */
682 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
683 } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
684 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
685 if (encoder_mode == ATOM_ENCODER_MODE_HDMI)
686 /* deep color support */
687 args.v3.sInput.usPixelClock =
688 cpu_to_le16((mode->clock * bpc / 8) / 10);
689 if (dig->coherent_mode)
690 args.v3.sInput.ucDispPllConfig |=
691 DISPPLL_CONFIG_COHERENT_MODE;
692 if (is_duallink)
693 args.v3.sInput.ucDispPllConfig |=
694 DISPPLL_CONFIG_DUAL_LINK;
695 }
696 if (radeon_encoder_get_dp_bridge_encoder_id(encoder) !=
697 ENCODER_OBJECT_ID_NONE)
698 args.v3.sInput.ucExtTransmitterID =
699 radeon_encoder_get_dp_bridge_encoder_id(encoder);
700 else
701 args.v3.sInput.ucExtTransmitterID = 0;
702
703 atom_execute_table(rdev->mode_info.atom_context,
704 index, (uint32_t *)&args);
705 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
706 if (args.v3.sOutput.ucRefDiv) {
707 pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
708 pll->flags |= RADEON_PLL_USE_REF_DIV;
709 pll->reference_div = args.v3.sOutput.ucRefDiv;
710 }
711 if (args.v3.sOutput.ucPostDiv) {
712 pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
713 pll->flags |= RADEON_PLL_USE_POST_DIV;
714 pll->post_div = args.v3.sOutput.ucPostDiv;
715 }
716 break;
717 default:
718 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
719 return adjusted_clock;
720 }
721 break;
722 default:
723 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
724 return adjusted_clock;
725 }
726 }
727 return adjusted_clock;
728}
729
730union set_pixel_clock {
731 SET_PIXEL_CLOCK_PS_ALLOCATION base;
732 PIXEL_CLOCK_PARAMETERS v1;
733 PIXEL_CLOCK_PARAMETERS_V2 v2;
734 PIXEL_CLOCK_PARAMETERS_V3 v3;
735 PIXEL_CLOCK_PARAMETERS_V5 v5;
736 PIXEL_CLOCK_PARAMETERS_V6 v6;
737};
738
739/* on DCE5, make sure the voltage is high enough to support the
740 * required disp clk.
741 */
742static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev,
743 u32 dispclk)
744{
745 u8 frev, crev;
746 int index;
747 union set_pixel_clock args;
748
749 memset(&args, 0, sizeof(args));
750
751 index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
752 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
753 &crev))
754 return;
755
756 switch (frev) {
757 case 1:
758 switch (crev) {
759 case 5:
760 /* if the default dcpll clock is specified,
761 * SetPixelClock provides the dividers
762 */
763 args.v5.ucCRTC = ATOM_CRTC_INVALID;
764 args.v5.usPixelClock = cpu_to_le16(dispclk);
765 args.v5.ucPpll = ATOM_DCPLL;
766 break;
767 case 6:
768 /* if the default dcpll clock is specified,
769 * SetPixelClock provides the dividers
770 */
771 args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
772 if (ASIC_IS_DCE61(rdev))
773 args.v6.ucPpll = ATOM_EXT_PLL1;
774 else if (ASIC_IS_DCE6(rdev))
775 args.v6.ucPpll = ATOM_PPLL0;
776 else
777 args.v6.ucPpll = ATOM_DCPLL;
778 break;
779 default:
780 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
781 return;
782 }
783 break;
784 default:
785 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
786 return;
787 }
788 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
789}
790
791static void atombios_crtc_program_pll(struct drm_crtc *crtc,
792 u32 crtc_id,
793 int pll_id,
794 u32 encoder_mode,
795 u32 encoder_id,
796 u32 clock,
797 u32 ref_div,
798 u32 fb_div,
799 u32 frac_fb_div,
800 u32 post_div,
801 int bpc,
802 bool ss_enabled,
803 struct radeon_atom_ss *ss)
804{
805 struct drm_device *dev = crtc->dev;
806 struct radeon_device *rdev = dev->dev_private;
807 u8 frev, crev;
808 int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
809 union set_pixel_clock args;
810
811 memset(&args, 0, sizeof(args));
812
813 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
814 &crev))
815 return;
816
817 switch (frev) {
818 case 1:
819 switch (crev) {
820 case 1:
821 if (clock == ATOM_DISABLE)
822 return;
823 args.v1.usPixelClock = cpu_to_le16(clock / 10);
824 args.v1.usRefDiv = cpu_to_le16(ref_div);
825 args.v1.usFbDiv = cpu_to_le16(fb_div);
826 args.v1.ucFracFbDiv = frac_fb_div;
827 args.v1.ucPostDiv = post_div;
828 args.v1.ucPpll = pll_id;
829 args.v1.ucCRTC = crtc_id;
830 args.v1.ucRefDivSrc = 1;
831 break;
832 case 2:
833 args.v2.usPixelClock = cpu_to_le16(clock / 10);
834 args.v2.usRefDiv = cpu_to_le16(ref_div);
835 args.v2.usFbDiv = cpu_to_le16(fb_div);
836 args.v2.ucFracFbDiv = frac_fb_div;
837 args.v2.ucPostDiv = post_div;
838 args.v2.ucPpll = pll_id;
839 args.v2.ucCRTC = crtc_id;
840 args.v2.ucRefDivSrc = 1;
841 break;
842 case 3:
843 args.v3.usPixelClock = cpu_to_le16(clock / 10);
844 args.v3.usRefDiv = cpu_to_le16(ref_div);
845 args.v3.usFbDiv = cpu_to_le16(fb_div);
846 args.v3.ucFracFbDiv = frac_fb_div;
847 args.v3.ucPostDiv = post_div;
848 args.v3.ucPpll = pll_id;
849 args.v3.ucMiscInfo = (pll_id << 2);
850 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
851 args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC;
852 args.v3.ucTransmitterId = encoder_id;
853 args.v3.ucEncoderMode = encoder_mode;
854 break;
855 case 5:
856 args.v5.ucCRTC = crtc_id;
857 args.v5.usPixelClock = cpu_to_le16(clock / 10);
858 args.v5.ucRefDiv = ref_div;
859 args.v5.usFbDiv = cpu_to_le16(fb_div);
860 args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
861 args.v5.ucPostDiv = post_div;
862 args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
863 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
864 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
865 switch (bpc) {
866 case 8:
867 default:
868 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
869 break;
870 case 10:
871 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
872 break;
873 }
874 args.v5.ucTransmitterID = encoder_id;
875 args.v5.ucEncoderMode = encoder_mode;
876 args.v5.ucPpll = pll_id;
877 break;
878 case 6:
879 args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10);
880 args.v6.ucRefDiv = ref_div;
881 args.v6.usFbDiv = cpu_to_le16(fb_div);
882 args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
883 args.v6.ucPostDiv = post_div;
884 args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
885 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
886 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
887 switch (bpc) {
888 case 8:
889 default:
890 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
891 break;
892 case 10:
893 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
894 break;
895 case 12:
896 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
897 break;
898 case 16:
899 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
900 break;
901 }
902 args.v6.ucTransmitterID = encoder_id;
903 args.v6.ucEncoderMode = encoder_mode;
904 args.v6.ucPpll = pll_id;
905 break;
906 default:
907 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
908 return;
909 }
910 break;
911 default:
912 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
913 return;
914 }
915
916 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
917}
918
919static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
920{
921 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
922 struct drm_device *dev = crtc->dev;
923 struct radeon_device *rdev = dev->dev_private;
924 struct drm_encoder *encoder = NULL;
925 struct radeon_encoder *radeon_encoder = NULL;
926 u32 pll_clock = mode->clock;
927 u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
928 struct radeon_pll *pll;
929 u32 adjusted_clock;
930 int encoder_mode = 0;
931 struct radeon_atom_ss ss;
932 bool ss_enabled = false;
933 int bpc = 8;
934
935 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
936 if (encoder->crtc == crtc) {
937 radeon_encoder = to_radeon_encoder(encoder);
938 encoder_mode = atombios_get_encoder_mode(encoder);
939 break;
940 }
941 }
942
943 if (!radeon_encoder)
944 return;
945
946 switch (radeon_crtc->pll_id) {
947 case ATOM_PPLL1:
948 pll = &rdev->clock.p1pll;
949 break;
950 case ATOM_PPLL2:
951 pll = &rdev->clock.p2pll;
952 break;
953 case ATOM_DCPLL:
954 case ATOM_PPLL_INVALID:
955 default:
956 pll = &rdev->clock.dcpll;
957 break;
958 }
959
960 if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
961 (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
962 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
963 struct drm_connector *connector =
964 radeon_get_connector_for_encoder(encoder);
965 struct radeon_connector *radeon_connector =
966 to_radeon_connector(connector);
967 struct radeon_connector_atom_dig *dig_connector =
968 radeon_connector->con_priv;
969 int dp_clock;
970 bpc = radeon_get_monitor_bpc(connector);
971
972 switch (encoder_mode) {
973 case ATOM_ENCODER_MODE_DP_MST:
974 case ATOM_ENCODER_MODE_DP:
975 /* DP/eDP */
976 dp_clock = dig_connector->dp_clock / 10;
977 if (ASIC_IS_DCE4(rdev))
978 ss_enabled =
979 radeon_atombios_get_asic_ss_info(rdev, &ss,
980 ASIC_INTERNAL_SS_ON_DP,
981 dp_clock);
982 else {
983 if (dp_clock == 16200) {
984 ss_enabled =
985 radeon_atombios_get_ppll_ss_info(rdev, &ss,
986 ATOM_DP_SS_ID2);
987 if (!ss_enabled)
988 ss_enabled =
989 radeon_atombios_get_ppll_ss_info(rdev, &ss,
990 ATOM_DP_SS_ID1);
991 } else
992 ss_enabled =
993 radeon_atombios_get_ppll_ss_info(rdev, &ss,
994 ATOM_DP_SS_ID1);
995 }
996 break;
997 case ATOM_ENCODER_MODE_LVDS:
998 if (ASIC_IS_DCE4(rdev))
999 ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
1000 dig->lcd_ss_id,
1001 mode->clock / 10);
1002 else
1003 ss_enabled = radeon_atombios_get_ppll_ss_info(rdev, &ss,
1004 dig->lcd_ss_id);
1005 break;
1006 case ATOM_ENCODER_MODE_DVI:
1007 if (ASIC_IS_DCE4(rdev))
1008 ss_enabled =
1009 radeon_atombios_get_asic_ss_info(rdev, &ss,
1010 ASIC_INTERNAL_SS_ON_TMDS,
1011 mode->clock / 10);
1012 break;
1013 case ATOM_ENCODER_MODE_HDMI:
1014 if (ASIC_IS_DCE4(rdev))
1015 ss_enabled =
1016 radeon_atombios_get_asic_ss_info(rdev, &ss,
1017 ASIC_INTERNAL_SS_ON_HDMI,
1018 mode->clock / 10);
1019 break;
1020 default:
1021 break;
1022 }
1023 }
1024
1025 /* adjust pixel clock as needed */
1026 adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss);
1027
1028 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1029 /* TV seems to prefer the legacy algo on some boards */
1030 radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
1031 &ref_div, &post_div);
1032 else if (ASIC_IS_AVIVO(rdev))
1033 radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
1034 &ref_div, &post_div);
1035 else
1036 radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
1037 &ref_div, &post_div);
1038
1039 atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id, &ss);
1040
1041 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1042 encoder_mode, radeon_encoder->encoder_id, mode->clock,
1043 ref_div, fb_div, frac_fb_div, post_div, bpc, ss_enabled, &ss);
1044
1045 if (ss_enabled) {
1046 /* calculate ss amount and step size */
1047 if (ASIC_IS_DCE4(rdev)) {
1048 u32 step_size;
1049 u32 amount = (((fb_div * 10) + frac_fb_div) * ss.percentage) / 10000;
1050 ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
1051 ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
1052 ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
1053 if (ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
1054 step_size = (4 * amount * ref_div * (ss.rate * 2048)) /
1055 (125 * 25 * pll->reference_freq / 100);
1056 else
1057 step_size = (2 * amount * ref_div * (ss.rate * 2048)) /
1058 (125 * 25 * pll->reference_freq / 100);
1059 ss.step = step_size;
1060 }
1061
1062 atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id, &ss);
1063 }
1064}
1065
1066static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
1067 struct drm_framebuffer *fb,
1068 int x, int y, int atomic)
1069{
1070 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1071 struct drm_device *dev = crtc->dev;
1072 struct radeon_device *rdev = dev->dev_private;
1073 struct radeon_framebuffer *radeon_fb;
1074 struct drm_framebuffer *target_fb;
1075 struct drm_gem_object *obj;
1076 struct radeon_bo *rbo;
1077 uint64_t fb_location;
1078 uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1079 unsigned bankw, bankh, mtaspect, tile_split;
1080 u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
1081 u32 tmp, viewport_w, viewport_h;
1082 int r;
1083
1084 /* no fb bound */
1085 if (!atomic && !crtc->fb) {
1086 DRM_DEBUG_KMS("No FB bound\n");
1087 return 0;
1088 }
1089
1090 if (atomic) {
1091 radeon_fb = to_radeon_framebuffer(fb);
1092 target_fb = fb;
1093 }
1094 else {
1095 radeon_fb = to_radeon_framebuffer(crtc->fb);
1096 target_fb = crtc->fb;
1097 }
1098
1099 /* If atomic, assume fb object is pinned & idle & fenced and
1100 * just update base pointers
1101 */
1102 obj = radeon_fb->obj;
1103 rbo = gem_to_radeon_bo(obj);
1104 r = radeon_bo_reserve(rbo, false);
1105 if (unlikely(r != 0))
1106 return r;
1107
1108 if (atomic)
1109 fb_location = radeon_bo_gpu_offset(rbo);
1110 else {
1111 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1112 if (unlikely(r != 0)) {
1113 radeon_bo_unreserve(rbo);
1114 return -EINVAL;
1115 }
1116 }
1117
1118 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1119 radeon_bo_unreserve(rbo);
1120
1121 switch (target_fb->bits_per_pixel) {
1122 case 8:
1123 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
1124 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
1125 break;
1126 case 15:
1127 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1128 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
1129 break;
1130 case 16:
1131 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1132 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
1133#ifdef __BIG_ENDIAN
1134 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
1135#endif
1136 break;
1137 case 24:
1138 case 32:
1139 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
1140 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
1141#ifdef __BIG_ENDIAN
1142 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
1143#endif
1144 break;
1145 default:
1146 DRM_ERROR("Unsupported screen depth %d\n",
1147 target_fb->bits_per_pixel);
1148 return -EINVAL;
1149 }
1150
1151 if (tiling_flags & RADEON_TILING_MACRO) {
1152 if (rdev->family >= CHIP_CAYMAN)
1153 tmp = rdev->config.cayman.tile_config;
1154 else
1155 tmp = rdev->config.evergreen.tile_config;
1156
1157 switch ((tmp & 0xf0) >> 4) {
1158 case 0: /* 4 banks */
1159 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
1160 break;
1161 case 1: /* 8 banks */
1162 default:
1163 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
1164 break;
1165 case 2: /* 16 banks */
1166 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
1167 break;
1168 }
1169
1170 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
1171
1172 evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
1173 fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split);
1174 fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw);
1175 fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh);
1176 fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect);
1177 } else if (tiling_flags & RADEON_TILING_MICRO)
1178 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
1179
1180 switch (radeon_crtc->crtc_id) {
1181 case 0:
1182 WREG32(AVIVO_D1VGA_CONTROL, 0);
1183 break;
1184 case 1:
1185 WREG32(AVIVO_D2VGA_CONTROL, 0);
1186 break;
1187 case 2:
1188 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1189 break;
1190 case 3:
1191 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1192 break;
1193 case 4:
1194 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1195 break;
1196 case 5:
1197 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1198 break;
1199 default:
1200 break;
1201 }
1202
1203 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1204 upper_32_bits(fb_location));
1205 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1206 upper_32_bits(fb_location));
1207 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1208 (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1209 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1210 (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1211 WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1212 WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1213
1214 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1215 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1216 WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
1217 WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1218 WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1219 WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1220
1221 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
1222 WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1223 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1224
1225 WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1226 target_fb->height);
1227 x &= ~3;
1228 y &= ~1;
1229 WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
1230 (x << 16) | y);
1231 viewport_w = crtc->mode.hdisplay;
1232 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1233 WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1234 (viewport_w << 16) | viewport_h);
1235
1236 /* pageflip setup */
1237 /* make sure flip is at vb rather than hb */
1238 tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
1239 tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
1240 WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
1241
1242 /* set pageflip to happen anywhere in vblank interval */
1243 WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
1244
1245 if (!atomic && fb && fb != crtc->fb) {
1246 radeon_fb = to_radeon_framebuffer(fb);
1247 rbo = gem_to_radeon_bo(radeon_fb->obj);
1248 r = radeon_bo_reserve(rbo, false);
1249 if (unlikely(r != 0))
1250 return r;
1251 radeon_bo_unpin(rbo);
1252 radeon_bo_unreserve(rbo);
1253 }
1254
1255 /* Bytes per pixel may have changed */
1256 radeon_bandwidth_update(rdev);
1257
1258 return 0;
1259}
1260
1261static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
1262 struct drm_framebuffer *fb,
1263 int x, int y, int atomic)
1264{
1265 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1266 struct drm_device *dev = crtc->dev;
1267 struct radeon_device *rdev = dev->dev_private;
1268 struct radeon_framebuffer *radeon_fb;
1269 struct drm_gem_object *obj;
1270 struct radeon_bo *rbo;
1271 struct drm_framebuffer *target_fb;
1272 uint64_t fb_location;
1273 uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1274 u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE;
1275 u32 tmp, viewport_w, viewport_h;
1276 int r;
1277
1278 /* no fb bound */
1279 if (!atomic && !crtc->fb) {
1280 DRM_DEBUG_KMS("No FB bound\n");
1281 return 0;
1282 }
1283
1284 if (atomic) {
1285 radeon_fb = to_radeon_framebuffer(fb);
1286 target_fb = fb;
1287 }
1288 else {
1289 radeon_fb = to_radeon_framebuffer(crtc->fb);
1290 target_fb = crtc->fb;
1291 }
1292
1293 obj = radeon_fb->obj;
1294 rbo = gem_to_radeon_bo(obj);
1295 r = radeon_bo_reserve(rbo, false);
1296 if (unlikely(r != 0))
1297 return r;
1298
1299 /* If atomic, assume fb object is pinned & idle & fenced and
1300 * just update base pointers
1301 */
1302 if (atomic)
1303 fb_location = radeon_bo_gpu_offset(rbo);
1304 else {
1305 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1306 if (unlikely(r != 0)) {
1307 radeon_bo_unreserve(rbo);
1308 return -EINVAL;
1309 }
1310 }
1311 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1312 radeon_bo_unreserve(rbo);
1313
1314 switch (target_fb->bits_per_pixel) {
1315 case 8:
1316 fb_format =
1317 AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
1318 AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
1319 break;
1320 case 15:
1321 fb_format =
1322 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1323 AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
1324 break;
1325 case 16:
1326 fb_format =
1327 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1328 AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
1329#ifdef __BIG_ENDIAN
1330 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
1331#endif
1332 break;
1333 case 24:
1334 case 32:
1335 fb_format =
1336 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
1337 AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
1338#ifdef __BIG_ENDIAN
1339 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
1340#endif
1341 break;
1342 default:
1343 DRM_ERROR("Unsupported screen depth %d\n",
1344 target_fb->bits_per_pixel);
1345 return -EINVAL;
1346 }
1347
1348 if (rdev->family >= CHIP_R600) {
1349 if (tiling_flags & RADEON_TILING_MACRO)
1350 fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1;
1351 else if (tiling_flags & RADEON_TILING_MICRO)
1352 fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1;
1353 } else {
1354 if (tiling_flags & RADEON_TILING_MACRO)
1355 fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
1356
1357 if (tiling_flags & RADEON_TILING_MICRO)
1358 fb_format |= AVIVO_D1GRPH_TILED;
1359 }
1360
1361 if (radeon_crtc->crtc_id == 0)
1362 WREG32(AVIVO_D1VGA_CONTROL, 0);
1363 else
1364 WREG32(AVIVO_D2VGA_CONTROL, 0);
1365
1366 if (rdev->family >= CHIP_RV770) {
1367 if (radeon_crtc->crtc_id) {
1368 WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1369 WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1370 } else {
1371 WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1372 WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1373 }
1374 }
1375 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1376 (u32) fb_location);
1377 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
1378 radeon_crtc->crtc_offset, (u32) fb_location);
1379 WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1380 if (rdev->family >= CHIP_R600)
1381 WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1382
1383 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1384 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1385 WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
1386 WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1387 WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1388 WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1389
1390 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
1391 WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1392 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1393
1394 WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1395 target_fb->height);
1396 x &= ~3;
1397 y &= ~1;
1398 WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
1399 (x << 16) | y);
1400 viewport_w = crtc->mode.hdisplay;
1401 viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1402 WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1403 (viewport_w << 16) | viewport_h);
1404
1405 /* pageflip setup */
1406 /* make sure flip is at vb rather than hb */
1407 tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
1408 tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
1409 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
1410
1411 /* set pageflip to happen anywhere in vblank interval */
1412 WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
1413
1414 if (!atomic && fb && fb != crtc->fb) {
1415 radeon_fb = to_radeon_framebuffer(fb);
1416 rbo = gem_to_radeon_bo(radeon_fb->obj);
1417 r = radeon_bo_reserve(rbo, false);
1418 if (unlikely(r != 0))
1419 return r;
1420 radeon_bo_unpin(rbo);
1421 radeon_bo_unreserve(rbo);
1422 }
1423
1424 /* Bytes per pixel may have changed */
1425 radeon_bandwidth_update(rdev);
1426
1427 return 0;
1428}
1429
1430int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
1431 struct drm_framebuffer *old_fb)
1432{
1433 struct drm_device *dev = crtc->dev;
1434 struct radeon_device *rdev = dev->dev_private;
1435
1436 if (ASIC_IS_DCE4(rdev))
1437 return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0);
1438 else if (ASIC_IS_AVIVO(rdev))
1439 return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
1440 else
1441 return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
1442}
1443
1444int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
1445 struct drm_framebuffer *fb,
1446 int x, int y, enum mode_set_atomic state)
1447{
1448 struct drm_device *dev = crtc->dev;
1449 struct radeon_device *rdev = dev->dev_private;
1450
1451 if (ASIC_IS_DCE4(rdev))
1452 return dce4_crtc_do_set_base(crtc, fb, x, y, 1);
1453 else if (ASIC_IS_AVIVO(rdev))
1454 return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
1455 else
1456 return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
1457}
1458
1459/* properly set additional regs when using atombios */
1460static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
1461{
1462 struct drm_device *dev = crtc->dev;
1463 struct radeon_device *rdev = dev->dev_private;
1464 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1465 u32 disp_merge_cntl;
1466
1467 switch (radeon_crtc->crtc_id) {
1468 case 0:
1469 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
1470 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
1471 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
1472 break;
1473 case 1:
1474 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
1475 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
1476 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
1477 WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
1478 WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
1479 break;
1480 }
1481}
1482
1483static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1484{
1485 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1486 struct drm_device *dev = crtc->dev;
1487 struct radeon_device *rdev = dev->dev_private;
1488 struct drm_encoder *test_encoder;
1489 struct drm_crtc *test_crtc;
1490 uint32_t pll_in_use = 0;
1491
1492 if (ASIC_IS_DCE61(rdev)) {
1493 list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
1494 if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
1495 struct radeon_encoder *test_radeon_encoder =
1496 to_radeon_encoder(test_encoder);
1497 struct radeon_encoder_atom_dig *dig =
1498 test_radeon_encoder->enc_priv;
1499
1500 if ((test_radeon_encoder->encoder_id ==
1501 ENCODER_OBJECT_ID_INTERNAL_UNIPHY) &&
1502 (dig->linkb == false)) /* UNIPHY A uses PPLL2 */
1503 return ATOM_PPLL2;
1504 }
1505 }
1506 /* UNIPHY B/C/D/E/F */
1507 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1508 struct radeon_crtc *radeon_test_crtc;
1509
1510 if (crtc == test_crtc)
1511 continue;
1512
1513 radeon_test_crtc = to_radeon_crtc(test_crtc);
1514 if ((radeon_test_crtc->pll_id == ATOM_PPLL0) ||
1515 (radeon_test_crtc->pll_id == ATOM_PPLL1))
1516 pll_in_use |= (1 << radeon_test_crtc->pll_id);
1517 }
1518 if (!(pll_in_use & 4))
1519 return ATOM_PPLL0;
1520 return ATOM_PPLL1;
1521 } else if (ASIC_IS_DCE4(rdev)) {
1522 list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
1523 if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
1524 /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
1525 * depending on the asic:
1526 * DCE4: PPLL or ext clock
1527 * DCE5: DCPLL or ext clock
1528 *
1529 * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip
1530 * PPLL/DCPLL programming and only program the DP DTO for the
1531 * crtc virtual pixel clock.
1532 */
1533 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_encoder))) {
1534 if (ASIC_IS_DCE5(rdev) || rdev->clock.dp_extclk)
1535 return ATOM_PPLL_INVALID;
1536 }
1537 }
1538 }
1539
1540 /* otherwise, pick one of the plls */
1541 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1542 struct radeon_crtc *radeon_test_crtc;
1543
1544 if (crtc == test_crtc)
1545 continue;
1546
1547 radeon_test_crtc = to_radeon_crtc(test_crtc);
1548 if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) &&
1549 (radeon_test_crtc->pll_id <= ATOM_PPLL2))
1550 pll_in_use |= (1 << radeon_test_crtc->pll_id);
1551 }
1552 if (!(pll_in_use & 1))
1553 return ATOM_PPLL1;
1554 return ATOM_PPLL2;
1555 } else
1556 return radeon_crtc->crtc_id;
1557
1558}
1559
1560void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev)
1561{
1562 /* always set DCPLL */
1563 if (ASIC_IS_DCE6(rdev))
1564 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
1565 else if (ASIC_IS_DCE4(rdev)) {
1566 struct radeon_atom_ss ss;
1567 bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
1568 ASIC_INTERNAL_SS_ON_DCPLL,
1569 rdev->clock.default_dispclk);
1570 if (ss_enabled)
1571 atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, &ss);
1572 /* XXX: DCE5, make sure voltage, dispclk is high enough */
1573 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
1574 if (ss_enabled)
1575 atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, &ss);
1576 }
1577
1578}
1579
1580int atombios_crtc_mode_set(struct drm_crtc *crtc,
1581 struct drm_display_mode *mode,
1582 struct drm_display_mode *adjusted_mode,
1583 int x, int y, struct drm_framebuffer *old_fb)
1584{
1585 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1586 struct drm_device *dev = crtc->dev;
1587 struct radeon_device *rdev = dev->dev_private;
1588 struct drm_encoder *encoder;
1589 bool is_tvcv = false;
1590
1591 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1592 /* find tv std */
1593 if (encoder->crtc == crtc) {
1594 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1595 if (radeon_encoder->active_device &
1596 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
1597 is_tvcv = true;
1598 }
1599 }
1600
1601 atombios_crtc_set_pll(crtc, adjusted_mode);
1602
1603 if (ASIC_IS_DCE4(rdev))
1604 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1605 else if (ASIC_IS_AVIVO(rdev)) {
1606 if (is_tvcv)
1607 atombios_crtc_set_timing(crtc, adjusted_mode);
1608 else
1609 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1610 } else {
1611 atombios_crtc_set_timing(crtc, adjusted_mode);
1612 if (radeon_crtc->crtc_id == 0)
1613 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1614 radeon_legacy_atom_fixup(crtc);
1615 }
1616 atombios_crtc_set_base(crtc, x, y, old_fb);
1617 atombios_overscan_setup(crtc, mode, adjusted_mode);
1618 atombios_scaler_setup(crtc);
1619 return 0;
1620}
1621
1622static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
1623 struct drm_display_mode *mode,
1624 struct drm_display_mode *adjusted_mode)
1625{
1626 if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
1627 return false;
1628 return true;
1629}
1630
1631static void atombios_crtc_prepare(struct drm_crtc *crtc)
1632{
1633 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1634
1635 /* pick pll */
1636 radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
1637
1638 atombios_lock_crtc(crtc, ATOM_ENABLE);
1639 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1640}
1641
1642static void atombios_crtc_commit(struct drm_crtc *crtc)
1643{
1644 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
1645 atombios_lock_crtc(crtc, ATOM_DISABLE);
1646}
1647
1648static void atombios_crtc_disable(struct drm_crtc *crtc)
1649{
1650 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1651 struct drm_device *dev = crtc->dev;
1652 struct radeon_device *rdev = dev->dev_private;
1653 struct radeon_atom_ss ss;
1654
1655 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1656
1657 switch (radeon_crtc->pll_id) {
1658 case ATOM_PPLL1:
1659 case ATOM_PPLL2:
1660 /* disable the ppll */
1661 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1662 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
1663 break;
1664 case ATOM_PPLL0:
1665 /* disable the ppll */
1666 if (ASIC_IS_DCE61(rdev))
1667 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1668 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
1669 break;
1670 default:
1671 break;
1672 }
1673 radeon_crtc->pll_id = -1;
1674}
1675
1676static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
1677 .dpms = atombios_crtc_dpms,
1678 .mode_fixup = atombios_crtc_mode_fixup,
1679 .mode_set = atombios_crtc_mode_set,
1680 .mode_set_base = atombios_crtc_set_base,
1681 .mode_set_base_atomic = atombios_crtc_set_base_atomic,
1682 .prepare = atombios_crtc_prepare,
1683 .commit = atombios_crtc_commit,
1684 .load_lut = radeon_crtc_load_lut,
1685 .disable = atombios_crtc_disable,
1686};
1687
1688void radeon_atombios_init_crtc(struct drm_device *dev,
1689 struct radeon_crtc *radeon_crtc)
1690{
1691 struct radeon_device *rdev = dev->dev_private;
1692
1693 if (ASIC_IS_DCE4(rdev)) {
1694 switch (radeon_crtc->crtc_id) {
1695 case 0:
1696 default:
1697 radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
1698 break;
1699 case 1:
1700 radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
1701 break;
1702 case 2:
1703 radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
1704 break;
1705 case 3:
1706 radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
1707 break;
1708 case 4:
1709 radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
1710 break;
1711 case 5:
1712 radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
1713 break;
1714 }
1715 } else {
1716 if (radeon_crtc->crtc_id == 1)
1717 radeon_crtc->crtc_offset =
1718 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
1719 else
1720 radeon_crtc->crtc_offset = 0;
1721 }
1722 radeon_crtc->pll_id = -1;
1723 drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
1724}