Merge branches 'stable/ia64', 'stable/blkfront-cleanup' and 'stable/cleanup' of git...
[pandora-kernel.git] / drivers / gpu / drm / radeon / atombios_crtc.c
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
34 static 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.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
65                         args.usOverscanRight = 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
79 static 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
169 static 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
186 static 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
202 static 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
218 static 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
234 void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
235 {
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);
239
240         switch (mode) {
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);
251                 break;
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                 if (radeon_crtc->enabled)
257                         atombios_blank_crtc(crtc, ATOM_ENABLE);
258                 if (ASIC_IS_DCE3(rdev))
259                         atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
260                 atombios_enable_crtc(crtc, ATOM_DISABLE);
261                 radeon_crtc->enabled = false;
262                 /* adjust pm to dpms changes AFTER disabling crtcs */
263                 radeon_pm_compute_clocks(rdev);
264                 break;
265         }
266 }
267
268 static void
269 atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
270                              struct drm_display_mode *mode)
271 {
272         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
273         struct drm_device *dev = crtc->dev;
274         struct radeon_device *rdev = dev->dev_private;
275         SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
276         int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
277         u16 misc = 0;
278
279         memset(&args, 0, sizeof(args));
280         args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2));
281         args.usH_Blanking_Time =
282                 cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2));
283         args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2));
284         args.usV_Blanking_Time =
285                 cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2));
286         args.usH_SyncOffset =
287                 cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border);
288         args.usH_SyncWidth =
289                 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
290         args.usV_SyncOffset =
291                 cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border);
292         args.usV_SyncWidth =
293                 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
294         args.ucH_Border = radeon_crtc->h_border;
295         args.ucV_Border = radeon_crtc->v_border;
296
297         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
298                 misc |= ATOM_VSYNC_POLARITY;
299         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
300                 misc |= ATOM_HSYNC_POLARITY;
301         if (mode->flags & DRM_MODE_FLAG_CSYNC)
302                 misc |= ATOM_COMPOSITESYNC;
303         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
304                 misc |= ATOM_INTERLACE;
305         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
306                 misc |= ATOM_DOUBLE_CLOCK_MODE;
307
308         args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
309         args.ucCRTC = radeon_crtc->crtc_id;
310
311         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
312 }
313
314 static void atombios_crtc_set_timing(struct drm_crtc *crtc,
315                                      struct drm_display_mode *mode)
316 {
317         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
318         struct drm_device *dev = crtc->dev;
319         struct radeon_device *rdev = dev->dev_private;
320         SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
321         int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
322         u16 misc = 0;
323
324         memset(&args, 0, sizeof(args));
325         args.usH_Total = cpu_to_le16(mode->crtc_htotal);
326         args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay);
327         args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start);
328         args.usH_SyncWidth =
329                 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
330         args.usV_Total = cpu_to_le16(mode->crtc_vtotal);
331         args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay);
332         args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start);
333         args.usV_SyncWidth =
334                 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
335
336         args.ucOverscanRight = radeon_crtc->h_border;
337         args.ucOverscanLeft = radeon_crtc->h_border;
338         args.ucOverscanBottom = radeon_crtc->v_border;
339         args.ucOverscanTop = radeon_crtc->v_border;
340
341         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
342                 misc |= ATOM_VSYNC_POLARITY;
343         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
344                 misc |= ATOM_HSYNC_POLARITY;
345         if (mode->flags & DRM_MODE_FLAG_CSYNC)
346                 misc |= ATOM_COMPOSITESYNC;
347         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
348                 misc |= ATOM_INTERLACE;
349         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
350                 misc |= ATOM_DOUBLE_CLOCK_MODE;
351
352         args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
353         args.ucCRTC = radeon_crtc->crtc_id;
354
355         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
356 }
357
358 static void atombios_disable_ss(struct drm_crtc *crtc)
359 {
360         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
361         struct drm_device *dev = crtc->dev;
362         struct radeon_device *rdev = dev->dev_private;
363         u32 ss_cntl;
364
365         if (ASIC_IS_DCE4(rdev)) {
366                 switch (radeon_crtc->pll_id) {
367                 case ATOM_PPLL1:
368                         ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL);
369                         ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
370                         WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl);
371                         break;
372                 case ATOM_PPLL2:
373                         ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL);
374                         ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
375                         WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl);
376                         break;
377                 case ATOM_DCPLL:
378                 case ATOM_PPLL_INVALID:
379                         return;
380                 }
381         } else if (ASIC_IS_AVIVO(rdev)) {
382                 switch (radeon_crtc->pll_id) {
383                 case ATOM_PPLL1:
384                         ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
385                         ss_cntl &= ~1;
386                         WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl);
387                         break;
388                 case ATOM_PPLL2:
389                         ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
390                         ss_cntl &= ~1;
391                         WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl);
392                         break;
393                 case ATOM_DCPLL:
394                 case ATOM_PPLL_INVALID:
395                         return;
396                 }
397         }
398 }
399
400
401 union atom_enable_ss {
402         ENABLE_LVDS_SS_PARAMETERS lvds_ss;
403         ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2;
404         ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
405         ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2;
406         ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3;
407 };
408
409 static void atombios_crtc_program_ss(struct drm_crtc *crtc,
410                                      int enable,
411                                      int pll_id,
412                                      struct radeon_atom_ss *ss)
413 {
414         struct drm_device *dev = crtc->dev;
415         struct radeon_device *rdev = dev->dev_private;
416         int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
417         union atom_enable_ss args;
418
419         memset(&args, 0, sizeof(args));
420
421         if (ASIC_IS_DCE5(rdev)) {
422                 args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0);
423                 args.v3.ucSpreadSpectrumType = ss->type;
424                 switch (pll_id) {
425                 case ATOM_PPLL1:
426                         args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
427                         args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
428                         args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
429                         break;
430                 case ATOM_PPLL2:
431                         args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
432                         args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
433                         args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
434                         break;
435                 case ATOM_DCPLL:
436                         args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
437                         args.v3.usSpreadSpectrumAmount = cpu_to_le16(0);
438                         args.v3.usSpreadSpectrumStep = cpu_to_le16(0);
439                         break;
440                 case ATOM_PPLL_INVALID:
441                         return;
442                 }
443                 args.v2.ucEnable = enable;
444         } else if (ASIC_IS_DCE4(rdev)) {
445                 args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
446                 args.v2.ucSpreadSpectrumType = ss->type;
447                 switch (pll_id) {
448                 case ATOM_PPLL1:
449                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
450                         args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
451                         args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
452                         break;
453                 case ATOM_PPLL2:
454                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL;
455                         args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
456                         args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
457                         break;
458                 case ATOM_DCPLL:
459                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL;
460                         args.v2.usSpreadSpectrumAmount = cpu_to_le16(0);
461                         args.v2.usSpreadSpectrumStep = cpu_to_le16(0);
462                         break;
463                 case ATOM_PPLL_INVALID:
464                         return;
465                 }
466                 args.v2.ucEnable = enable;
467         } else if (ASIC_IS_DCE3(rdev)) {
468                 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
469                 args.v1.ucSpreadSpectrumType = ss->type;
470                 args.v1.ucSpreadSpectrumStep = ss->step;
471                 args.v1.ucSpreadSpectrumDelay = ss->delay;
472                 args.v1.ucSpreadSpectrumRange = ss->range;
473                 args.v1.ucPpll = pll_id;
474                 args.v1.ucEnable = enable;
475         } else if (ASIC_IS_AVIVO(rdev)) {
476                 if (enable == ATOM_DISABLE) {
477                         atombios_disable_ss(crtc);
478                         return;
479                 }
480                 args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
481                 args.lvds_ss_2.ucSpreadSpectrumType = ss->type;
482                 args.lvds_ss_2.ucSpreadSpectrumStep = ss->step;
483                 args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay;
484                 args.lvds_ss_2.ucSpreadSpectrumRange = ss->range;
485                 args.lvds_ss_2.ucEnable = enable;
486         } else {
487                 if (enable == ATOM_DISABLE) {
488                         atombios_disable_ss(crtc);
489                         return;
490                 }
491                 args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
492                 args.lvds_ss.ucSpreadSpectrumType = ss->type;
493                 args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2;
494                 args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4;
495                 args.lvds_ss.ucEnable = enable;
496         }
497         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
498 }
499
500 union adjust_pixel_clock {
501         ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
502         ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
503 };
504
505 static u32 atombios_adjust_pll(struct drm_crtc *crtc,
506                                struct drm_display_mode *mode,
507                                struct radeon_pll *pll,
508                                bool ss_enabled,
509                                struct radeon_atom_ss *ss)
510 {
511         struct drm_device *dev = crtc->dev;
512         struct radeon_device *rdev = dev->dev_private;
513         struct drm_encoder *encoder = NULL;
514         struct radeon_encoder *radeon_encoder = NULL;
515         u32 adjusted_clock = mode->clock;
516         int encoder_mode = 0;
517         u32 dp_clock = mode->clock;
518         int bpc = 8;
519
520         /* reset the pll flags */
521         pll->flags = 0;
522
523         if (ASIC_IS_AVIVO(rdev)) {
524                 if ((rdev->family == CHIP_RS600) ||
525                     (rdev->family == CHIP_RS690) ||
526                     (rdev->family == CHIP_RS740))
527                         pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
528                                        RADEON_PLL_PREFER_CLOSEST_LOWER);
529
530                 if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)        /* range limits??? */
531                         pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
532                 else
533                         pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
534         } else {
535                 pll->flags |= RADEON_PLL_LEGACY;
536
537                 if (mode->clock > 200000)       /* range limits??? */
538                         pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
539                 else
540                         pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
541         }
542
543         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
544                 if (encoder->crtc == crtc) {
545                         radeon_encoder = to_radeon_encoder(encoder);
546                         encoder_mode = atombios_get_encoder_mode(encoder);
547                         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
548                                 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
549                                 if (connector) {
550                                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
551                                         struct radeon_connector_atom_dig *dig_connector =
552                                                 radeon_connector->con_priv;
553
554                                         dp_clock = dig_connector->dp_clock;
555                                 }
556                         }
557
558                         /* use recommended ref_div for ss */
559                         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
560                                 if (ss_enabled) {
561                                         if (ss->refdiv) {
562                                                 pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
563                                                 pll->flags |= RADEON_PLL_USE_REF_DIV;
564                                                 pll->reference_div = ss->refdiv;
565                                                 if (ASIC_IS_AVIVO(rdev))
566                                                         pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
567                                         }
568                                 }
569                         }
570
571                         if (ASIC_IS_AVIVO(rdev)) {
572                                 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
573                                 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
574                                         adjusted_clock = mode->clock * 2;
575                                 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
576                                         pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
577                                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
578                                         pll->flags |= RADEON_PLL_IS_LCD;
579                         } else {
580                                 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
581                                         pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
582                                 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
583                                         pll->flags |= RADEON_PLL_USE_REF_DIV;
584                         }
585                         break;
586                 }
587         }
588
589         /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
590          * accordingly based on the encoder/transmitter to work around
591          * special hw requirements.
592          */
593         if (ASIC_IS_DCE3(rdev)) {
594                 union adjust_pixel_clock args;
595                 u8 frev, crev;
596                 int index;
597
598                 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
599                 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
600                                            &crev))
601                         return adjusted_clock;
602
603                 memset(&args, 0, sizeof(args));
604
605                 switch (frev) {
606                 case 1:
607                         switch (crev) {
608                         case 1:
609                         case 2:
610                                 args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
611                                 args.v1.ucTransmitterID = radeon_encoder->encoder_id;
612                                 args.v1.ucEncodeMode = encoder_mode;
613                                 if (ss_enabled)
614                                         args.v1.ucConfig |=
615                                                 ADJUST_DISPLAY_CONFIG_SS_ENABLE;
616
617                                 atom_execute_table(rdev->mode_info.atom_context,
618                                                    index, (uint32_t *)&args);
619                                 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
620                                 break;
621                         case 3:
622                                 args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
623                                 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
624                                 args.v3.sInput.ucEncodeMode = encoder_mode;
625                                 args.v3.sInput.ucDispPllConfig = 0;
626                                 if (ss_enabled)
627                                         args.v3.sInput.ucDispPllConfig |=
628                                                 DISPPLL_CONFIG_SS_ENABLE;
629                                 if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
630                                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
631                                         if (encoder_mode == ATOM_ENCODER_MODE_DP) {
632                                                 args.v3.sInput.ucDispPllConfig |=
633                                                         DISPPLL_CONFIG_COHERENT_MODE;
634                                                 /* 16200 or 27000 */
635                                                 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
636                                         } else {
637                                                 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
638                                                         /* deep color support */
639                                                         args.v3.sInput.usPixelClock =
640                                                                 cpu_to_le16((mode->clock * bpc / 8) / 10);
641                                                 }
642                                                 if (dig->coherent_mode)
643                                                         args.v3.sInput.ucDispPllConfig |=
644                                                                 DISPPLL_CONFIG_COHERENT_MODE;
645                                                 if (mode->clock > 165000)
646                                                         args.v3.sInput.ucDispPllConfig |=
647                                                                 DISPPLL_CONFIG_DUAL_LINK;
648                                         }
649                                 } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
650                                         if (encoder_mode == ATOM_ENCODER_MODE_DP) {
651                                                 args.v3.sInput.ucDispPllConfig |=
652                                                         DISPPLL_CONFIG_COHERENT_MODE;
653                                                 /* 16200 or 27000 */
654                                                 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
655                                         } else if (encoder_mode != ATOM_ENCODER_MODE_LVDS) {
656                                                 if (mode->clock > 165000)
657                                                         args.v3.sInput.ucDispPllConfig |=
658                                                                 DISPPLL_CONFIG_DUAL_LINK;
659                                         }
660                                 }
661                                 atom_execute_table(rdev->mode_info.atom_context,
662                                                    index, (uint32_t *)&args);
663                                 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
664                                 if (args.v3.sOutput.ucRefDiv) {
665                                         pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
666                                         pll->flags |= RADEON_PLL_USE_REF_DIV;
667                                         pll->reference_div = args.v3.sOutput.ucRefDiv;
668                                 }
669                                 if (args.v3.sOutput.ucPostDiv) {
670                                         pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
671                                         pll->flags |= RADEON_PLL_USE_POST_DIV;
672                                         pll->post_div = args.v3.sOutput.ucPostDiv;
673                                 }
674                                 break;
675                         default:
676                                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
677                                 return adjusted_clock;
678                         }
679                         break;
680                 default:
681                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
682                         return adjusted_clock;
683                 }
684         }
685         return adjusted_clock;
686 }
687
688 union set_pixel_clock {
689         SET_PIXEL_CLOCK_PS_ALLOCATION base;
690         PIXEL_CLOCK_PARAMETERS v1;
691         PIXEL_CLOCK_PARAMETERS_V2 v2;
692         PIXEL_CLOCK_PARAMETERS_V3 v3;
693         PIXEL_CLOCK_PARAMETERS_V5 v5;
694         PIXEL_CLOCK_PARAMETERS_V6 v6;
695 };
696
697 /* on DCE5, make sure the voltage is high enough to support the
698  * required disp clk.
699  */
700 static void atombios_crtc_set_dcpll(struct drm_crtc *crtc,
701                                     u32 dispclk)
702 {
703         struct drm_device *dev = crtc->dev;
704         struct radeon_device *rdev = dev->dev_private;
705         u8 frev, crev;
706         int index;
707         union set_pixel_clock args;
708
709         memset(&args, 0, sizeof(args));
710
711         index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
712         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
713                                    &crev))
714                 return;
715
716         switch (frev) {
717         case 1:
718                 switch (crev) {
719                 case 5:
720                         /* if the default dcpll clock is specified,
721                          * SetPixelClock provides the dividers
722                          */
723                         args.v5.ucCRTC = ATOM_CRTC_INVALID;
724                         args.v5.usPixelClock = cpu_to_le16(dispclk);
725                         args.v5.ucPpll = ATOM_DCPLL;
726                         break;
727                 case 6:
728                         /* if the default dcpll clock is specified,
729                          * SetPixelClock provides the dividers
730                          */
731                         args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
732                         args.v6.ucPpll = ATOM_DCPLL;
733                         break;
734                 default:
735                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
736                         return;
737                 }
738                 break;
739         default:
740                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
741                 return;
742         }
743         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
744 }
745
746 static void atombios_crtc_program_pll(struct drm_crtc *crtc,
747                                       int crtc_id,
748                                       int pll_id,
749                                       u32 encoder_mode,
750                                       u32 encoder_id,
751                                       u32 clock,
752                                       u32 ref_div,
753                                       u32 fb_div,
754                                       u32 frac_fb_div,
755                                       u32 post_div)
756 {
757         struct drm_device *dev = crtc->dev;
758         struct radeon_device *rdev = dev->dev_private;
759         u8 frev, crev;
760         int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
761         union set_pixel_clock args;
762
763         memset(&args, 0, sizeof(args));
764
765         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
766                                    &crev))
767                 return;
768
769         switch (frev) {
770         case 1:
771                 switch (crev) {
772                 case 1:
773                         if (clock == ATOM_DISABLE)
774                                 return;
775                         args.v1.usPixelClock = cpu_to_le16(clock / 10);
776                         args.v1.usRefDiv = cpu_to_le16(ref_div);
777                         args.v1.usFbDiv = cpu_to_le16(fb_div);
778                         args.v1.ucFracFbDiv = frac_fb_div;
779                         args.v1.ucPostDiv = post_div;
780                         args.v1.ucPpll = pll_id;
781                         args.v1.ucCRTC = crtc_id;
782                         args.v1.ucRefDivSrc = 1;
783                         break;
784                 case 2:
785                         args.v2.usPixelClock = cpu_to_le16(clock / 10);
786                         args.v2.usRefDiv = cpu_to_le16(ref_div);
787                         args.v2.usFbDiv = cpu_to_le16(fb_div);
788                         args.v2.ucFracFbDiv = frac_fb_div;
789                         args.v2.ucPostDiv = post_div;
790                         args.v2.ucPpll = pll_id;
791                         args.v2.ucCRTC = crtc_id;
792                         args.v2.ucRefDivSrc = 1;
793                         break;
794                 case 3:
795                         args.v3.usPixelClock = cpu_to_le16(clock / 10);
796                         args.v3.usRefDiv = cpu_to_le16(ref_div);
797                         args.v3.usFbDiv = cpu_to_le16(fb_div);
798                         args.v3.ucFracFbDiv = frac_fb_div;
799                         args.v3.ucPostDiv = post_div;
800                         args.v3.ucPpll = pll_id;
801                         args.v3.ucMiscInfo = (pll_id << 2);
802                         args.v3.ucTransmitterId = encoder_id;
803                         args.v3.ucEncoderMode = encoder_mode;
804                         break;
805                 case 5:
806                         args.v5.ucCRTC = crtc_id;
807                         args.v5.usPixelClock = cpu_to_le16(clock / 10);
808                         args.v5.ucRefDiv = ref_div;
809                         args.v5.usFbDiv = cpu_to_le16(fb_div);
810                         args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
811                         args.v5.ucPostDiv = post_div;
812                         args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
813                         args.v5.ucTransmitterID = encoder_id;
814                         args.v5.ucEncoderMode = encoder_mode;
815                         args.v5.ucPpll = pll_id;
816                         break;
817                 case 6:
818                         args.v6.ulCrtcPclkFreq.ucCRTC = crtc_id;
819                         args.v6.ulCrtcPclkFreq.ulPixelClock = cpu_to_le32(clock / 10);
820                         args.v6.ucRefDiv = ref_div;
821                         args.v6.usFbDiv = cpu_to_le16(fb_div);
822                         args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
823                         args.v6.ucPostDiv = post_div;
824                         args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
825                         args.v6.ucTransmitterID = encoder_id;
826                         args.v6.ucEncoderMode = encoder_mode;
827                         args.v6.ucPpll = pll_id;
828                         break;
829                 default:
830                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
831                         return;
832                 }
833                 break;
834         default:
835                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
836                 return;
837         }
838
839         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
840 }
841
842 static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
843 {
844         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
845         struct drm_device *dev = crtc->dev;
846         struct radeon_device *rdev = dev->dev_private;
847         struct drm_encoder *encoder = NULL;
848         struct radeon_encoder *radeon_encoder = NULL;
849         u32 pll_clock = mode->clock;
850         u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
851         struct radeon_pll *pll;
852         u32 adjusted_clock;
853         int encoder_mode = 0;
854         struct radeon_atom_ss ss;
855         bool ss_enabled = false;
856
857         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
858                 if (encoder->crtc == crtc) {
859                         radeon_encoder = to_radeon_encoder(encoder);
860                         encoder_mode = atombios_get_encoder_mode(encoder);
861                         break;
862                 }
863         }
864
865         if (!radeon_encoder)
866                 return;
867
868         switch (radeon_crtc->pll_id) {
869         case ATOM_PPLL1:
870                 pll = &rdev->clock.p1pll;
871                 break;
872         case ATOM_PPLL2:
873                 pll = &rdev->clock.p2pll;
874                 break;
875         case ATOM_DCPLL:
876         case ATOM_PPLL_INVALID:
877         default:
878                 pll = &rdev->clock.dcpll;
879                 break;
880         }
881
882         if (radeon_encoder->active_device &
883             (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
884                 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
885                 struct drm_connector *connector =
886                         radeon_get_connector_for_encoder(encoder);
887                 struct radeon_connector *radeon_connector =
888                         to_radeon_connector(connector);
889                 struct radeon_connector_atom_dig *dig_connector =
890                         radeon_connector->con_priv;
891                 int dp_clock;
892
893                 switch (encoder_mode) {
894                 case ATOM_ENCODER_MODE_DP:
895                         /* DP/eDP */
896                         dp_clock = dig_connector->dp_clock / 10;
897                         if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
898                                 if (ASIC_IS_DCE4(rdev))
899                                         ss_enabled =
900                                                 radeon_atombios_get_asic_ss_info(rdev, &ss,
901                                                                                  dig->lcd_ss_id,
902                                                                                  dp_clock);
903                                 else
904                                         ss_enabled =
905                                                 radeon_atombios_get_ppll_ss_info(rdev, &ss,
906                                                                                  dig->lcd_ss_id);
907                         } else {
908                                 if (ASIC_IS_DCE4(rdev))
909                                         ss_enabled =
910                                                 radeon_atombios_get_asic_ss_info(rdev, &ss,
911                                                                                  ASIC_INTERNAL_SS_ON_DP,
912                                                                                  dp_clock);
913                                 else {
914                                         if (dp_clock == 16200) {
915                                                 ss_enabled =
916                                                         radeon_atombios_get_ppll_ss_info(rdev, &ss,
917                                                                                          ATOM_DP_SS_ID2);
918                                                 if (!ss_enabled)
919                                                         ss_enabled =
920                                                                 radeon_atombios_get_ppll_ss_info(rdev, &ss,
921                                                                                                  ATOM_DP_SS_ID1);
922                                         } else
923                                                 ss_enabled =
924                                                         radeon_atombios_get_ppll_ss_info(rdev, &ss,
925                                                                                          ATOM_DP_SS_ID1);
926                                 }
927                         }
928                         break;
929                 case ATOM_ENCODER_MODE_LVDS:
930                         if (ASIC_IS_DCE4(rdev))
931                                 ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
932                                                                               dig->lcd_ss_id,
933                                                                               mode->clock / 10);
934                         else
935                                 ss_enabled = radeon_atombios_get_ppll_ss_info(rdev, &ss,
936                                                                               dig->lcd_ss_id);
937                         break;
938                 case ATOM_ENCODER_MODE_DVI:
939                         if (ASIC_IS_DCE4(rdev))
940                                 ss_enabled =
941                                         radeon_atombios_get_asic_ss_info(rdev, &ss,
942                                                                          ASIC_INTERNAL_SS_ON_TMDS,
943                                                                          mode->clock / 10);
944                         break;
945                 case ATOM_ENCODER_MODE_HDMI:
946                         if (ASIC_IS_DCE4(rdev))
947                                 ss_enabled =
948                                         radeon_atombios_get_asic_ss_info(rdev, &ss,
949                                                                          ASIC_INTERNAL_SS_ON_HDMI,
950                                                                          mode->clock / 10);
951                         break;
952                 default:
953                         break;
954                 }
955         }
956
957         /* adjust pixel clock as needed */
958         adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss);
959
960         if (ASIC_IS_AVIVO(rdev))
961                 radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
962                                          &ref_div, &post_div);
963         else
964                 radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
965                                           &ref_div, &post_div);
966
967         atombios_crtc_program_ss(crtc, ATOM_DISABLE, radeon_crtc->pll_id, &ss);
968
969         atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
970                                   encoder_mode, radeon_encoder->encoder_id, mode->clock,
971                                   ref_div, fb_div, frac_fb_div, post_div);
972
973         if (ss_enabled) {
974                 /* calculate ss amount and step size */
975                 if (ASIC_IS_DCE4(rdev)) {
976                         u32 step_size;
977                         u32 amount = (((fb_div * 10) + frac_fb_div) * ss.percentage) / 10000;
978                         ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
979                         ss.amount |= ((amount - (ss.amount * 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
980                                 ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
981                         if (ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
982                                 step_size = (4 * amount * ref_div * (ss.rate * 2048)) /
983                                         (125 * 25 * pll->reference_freq / 100);
984                         else
985                                 step_size = (2 * amount * ref_div * (ss.rate * 2048)) /
986                                         (125 * 25 * pll->reference_freq / 100);
987                         ss.step = step_size;
988                 }
989
990                 atombios_crtc_program_ss(crtc, ATOM_ENABLE, radeon_crtc->pll_id, &ss);
991         }
992 }
993
994 static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
995                                  struct drm_framebuffer *fb,
996                                  int x, int y, int atomic)
997 {
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_framebuffer *target_fb;
1003         struct drm_gem_object *obj;
1004         struct radeon_bo *rbo;
1005         uint64_t fb_location;
1006         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1007         u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
1008         int r;
1009
1010         /* no fb bound */
1011         if (!atomic && !crtc->fb) {
1012                 DRM_DEBUG_KMS("No FB bound\n");
1013                 return 0;
1014         }
1015
1016         if (atomic) {
1017                 radeon_fb = to_radeon_framebuffer(fb);
1018                 target_fb = fb;
1019         }
1020         else {
1021                 radeon_fb = to_radeon_framebuffer(crtc->fb);
1022                 target_fb = crtc->fb;
1023         }
1024
1025         /* If atomic, assume fb object is pinned & idle & fenced and
1026          * just update base pointers
1027          */
1028         obj = radeon_fb->obj;
1029         rbo = obj->driver_private;
1030         r = radeon_bo_reserve(rbo, false);
1031         if (unlikely(r != 0))
1032                 return r;
1033
1034         if (atomic)
1035                 fb_location = radeon_bo_gpu_offset(rbo);
1036         else {
1037                 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1038                 if (unlikely(r != 0)) {
1039                         radeon_bo_unreserve(rbo);
1040                         return -EINVAL;
1041                 }
1042         }
1043
1044         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1045         radeon_bo_unreserve(rbo);
1046
1047         switch (target_fb->bits_per_pixel) {
1048         case 8:
1049                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
1050                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
1051                 break;
1052         case 15:
1053                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1054                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
1055                 break;
1056         case 16:
1057                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1058                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
1059 #ifdef __BIG_ENDIAN
1060                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
1061 #endif
1062                 break;
1063         case 24:
1064         case 32:
1065                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
1066                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
1067 #ifdef __BIG_ENDIAN
1068                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
1069 #endif
1070                 break;
1071         default:
1072                 DRM_ERROR("Unsupported screen depth %d\n",
1073                           target_fb->bits_per_pixel);
1074                 return -EINVAL;
1075         }
1076
1077         if (tiling_flags & RADEON_TILING_MACRO)
1078                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
1079         else if (tiling_flags & RADEON_TILING_MICRO)
1080                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
1081
1082         switch (radeon_crtc->crtc_id) {
1083         case 0:
1084                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1085                 break;
1086         case 1:
1087                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1088                 break;
1089         case 2:
1090                 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1091                 break;
1092         case 3:
1093                 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1094                 break;
1095         case 4:
1096                 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1097                 break;
1098         case 5:
1099                 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1100                 break;
1101         default:
1102                 break;
1103         }
1104
1105         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1106                upper_32_bits(fb_location));
1107         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1108                upper_32_bits(fb_location));
1109         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1110                (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1111         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1112                (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1113         WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1114         WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1115
1116         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1117         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1118         WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
1119         WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1120         WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1121         WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1122
1123         fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
1124         WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1125         WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1126
1127         WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1128                crtc->mode.vdisplay);
1129         x &= ~3;
1130         y &= ~1;
1131         WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
1132                (x << 16) | y);
1133         WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1134                (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
1135
1136         if (!atomic && fb && fb != crtc->fb) {
1137                 radeon_fb = to_radeon_framebuffer(fb);
1138                 rbo = radeon_fb->obj->driver_private;
1139                 r = radeon_bo_reserve(rbo, false);
1140                 if (unlikely(r != 0))
1141                         return r;
1142                 radeon_bo_unpin(rbo);
1143                 radeon_bo_unreserve(rbo);
1144         }
1145
1146         /* Bytes per pixel may have changed */
1147         radeon_bandwidth_update(rdev);
1148
1149         return 0;
1150 }
1151
1152 static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
1153                                   struct drm_framebuffer *fb,
1154                                   int x, int y, int atomic)
1155 {
1156         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1157         struct drm_device *dev = crtc->dev;
1158         struct radeon_device *rdev = dev->dev_private;
1159         struct radeon_framebuffer *radeon_fb;
1160         struct drm_gem_object *obj;
1161         struct radeon_bo *rbo;
1162         struct drm_framebuffer *target_fb;
1163         uint64_t fb_location;
1164         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1165         u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE;
1166         int r;
1167
1168         /* no fb bound */
1169         if (!atomic && !crtc->fb) {
1170                 DRM_DEBUG_KMS("No FB bound\n");
1171                 return 0;
1172         }
1173
1174         if (atomic) {
1175                 radeon_fb = to_radeon_framebuffer(fb);
1176                 target_fb = fb;
1177         }
1178         else {
1179                 radeon_fb = to_radeon_framebuffer(crtc->fb);
1180                 target_fb = crtc->fb;
1181         }
1182
1183         obj = radeon_fb->obj;
1184         rbo = obj->driver_private;
1185         r = radeon_bo_reserve(rbo, false);
1186         if (unlikely(r != 0))
1187                 return r;
1188
1189         /* If atomic, assume fb object is pinned & idle & fenced and
1190          * just update base pointers
1191          */
1192         if (atomic)
1193                 fb_location = radeon_bo_gpu_offset(rbo);
1194         else {
1195                 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1196                 if (unlikely(r != 0)) {
1197                         radeon_bo_unreserve(rbo);
1198                         return -EINVAL;
1199                 }
1200         }
1201         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1202         radeon_bo_unreserve(rbo);
1203
1204         switch (target_fb->bits_per_pixel) {
1205         case 8:
1206                 fb_format =
1207                     AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
1208                     AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
1209                 break;
1210         case 15:
1211                 fb_format =
1212                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1213                     AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
1214                 break;
1215         case 16:
1216                 fb_format =
1217                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1218                     AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
1219 #ifdef __BIG_ENDIAN
1220                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
1221 #endif
1222                 break;
1223         case 24:
1224         case 32:
1225                 fb_format =
1226                     AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
1227                     AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
1228 #ifdef __BIG_ENDIAN
1229                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
1230 #endif
1231                 break;
1232         default:
1233                 DRM_ERROR("Unsupported screen depth %d\n",
1234                           target_fb->bits_per_pixel);
1235                 return -EINVAL;
1236         }
1237
1238         if (rdev->family >= CHIP_R600) {
1239                 if (tiling_flags & RADEON_TILING_MACRO)
1240                         fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1;
1241                 else if (tiling_flags & RADEON_TILING_MICRO)
1242                         fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1;
1243         } else {
1244                 if (tiling_flags & RADEON_TILING_MACRO)
1245                         fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
1246
1247                 if (tiling_flags & RADEON_TILING_MICRO)
1248                         fb_format |= AVIVO_D1GRPH_TILED;
1249         }
1250
1251         if (radeon_crtc->crtc_id == 0)
1252                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1253         else
1254                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1255
1256         if (rdev->family >= CHIP_RV770) {
1257                 if (radeon_crtc->crtc_id) {
1258                         WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1259                         WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1260                 } else {
1261                         WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1262                         WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1263                 }
1264         }
1265         WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1266                (u32) fb_location);
1267         WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
1268                radeon_crtc->crtc_offset, (u32) fb_location);
1269         WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1270         if (rdev->family >= CHIP_R600)
1271                 WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1272
1273         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1274         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1275         WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
1276         WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1277         WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1278         WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1279
1280         fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
1281         WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1282         WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1283
1284         WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1285                crtc->mode.vdisplay);
1286         x &= ~3;
1287         y &= ~1;
1288         WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
1289                (x << 16) | y);
1290         WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1291                (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
1292
1293         if (!atomic && fb && fb != crtc->fb) {
1294                 radeon_fb = to_radeon_framebuffer(fb);
1295                 rbo = radeon_fb->obj->driver_private;
1296                 r = radeon_bo_reserve(rbo, false);
1297                 if (unlikely(r != 0))
1298                         return r;
1299                 radeon_bo_unpin(rbo);
1300                 radeon_bo_unreserve(rbo);
1301         }
1302
1303         /* Bytes per pixel may have changed */
1304         radeon_bandwidth_update(rdev);
1305
1306         return 0;
1307 }
1308
1309 int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
1310                            struct drm_framebuffer *old_fb)
1311 {
1312         struct drm_device *dev = crtc->dev;
1313         struct radeon_device *rdev = dev->dev_private;
1314
1315         if (ASIC_IS_DCE4(rdev))
1316                 return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0);
1317         else if (ASIC_IS_AVIVO(rdev))
1318                 return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
1319         else
1320                 return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
1321 }
1322
1323 int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
1324                                   struct drm_framebuffer *fb,
1325                                   int x, int y, enum mode_set_atomic state)
1326 {
1327        struct drm_device *dev = crtc->dev;
1328        struct radeon_device *rdev = dev->dev_private;
1329
1330         if (ASIC_IS_DCE4(rdev))
1331                 return dce4_crtc_do_set_base(crtc, fb, x, y, 1);
1332         else if (ASIC_IS_AVIVO(rdev))
1333                 return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
1334         else
1335                 return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
1336 }
1337
1338 /* properly set additional regs when using atombios */
1339 static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
1340 {
1341         struct drm_device *dev = crtc->dev;
1342         struct radeon_device *rdev = dev->dev_private;
1343         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1344         u32 disp_merge_cntl;
1345
1346         switch (radeon_crtc->crtc_id) {
1347         case 0:
1348                 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
1349                 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
1350                 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
1351                 break;
1352         case 1:
1353                 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
1354                 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
1355                 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
1356                 WREG32(RADEON_FP_H2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
1357                 WREG32(RADEON_FP_V2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
1358                 break;
1359         }
1360 }
1361
1362 static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1363 {
1364         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1365         struct drm_device *dev = crtc->dev;
1366         struct radeon_device *rdev = dev->dev_private;
1367         struct drm_encoder *test_encoder;
1368         struct drm_crtc *test_crtc;
1369         uint32_t pll_in_use = 0;
1370
1371         if (ASIC_IS_DCE4(rdev)) {
1372                 /* if crtc is driving DP and we have an ext clock, use that */
1373                 list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
1374                         if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
1375                                 if (atombios_get_encoder_mode(test_encoder) == ATOM_ENCODER_MODE_DP) {
1376                                         if (rdev->clock.dp_extclk)
1377                                                 return ATOM_PPLL_INVALID;
1378                                 }
1379                         }
1380                 }
1381
1382                 /* otherwise, pick one of the plls */
1383                 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1384                         struct radeon_crtc *radeon_test_crtc;
1385
1386                         if (crtc == test_crtc)
1387                                 continue;
1388
1389                         radeon_test_crtc = to_radeon_crtc(test_crtc);
1390                         if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) &&
1391                             (radeon_test_crtc->pll_id <= ATOM_PPLL2))
1392                                 pll_in_use |= (1 << radeon_test_crtc->pll_id);
1393                 }
1394                 if (!(pll_in_use & 1))
1395                         return ATOM_PPLL1;
1396                 return ATOM_PPLL2;
1397         } else
1398                 return radeon_crtc->crtc_id;
1399
1400 }
1401
1402 int atombios_crtc_mode_set(struct drm_crtc *crtc,
1403                            struct drm_display_mode *mode,
1404                            struct drm_display_mode *adjusted_mode,
1405                            int x, int y, struct drm_framebuffer *old_fb)
1406 {
1407         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1408         struct drm_device *dev = crtc->dev;
1409         struct radeon_device *rdev = dev->dev_private;
1410         struct drm_encoder *encoder;
1411         bool is_tvcv = false;
1412
1413         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1414                 /* find tv std */
1415                 if (encoder->crtc == crtc) {
1416                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1417                         if (radeon_encoder->active_device &
1418                             (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
1419                                 is_tvcv = true;
1420                 }
1421         }
1422
1423         /* always set DCPLL */
1424         if (ASIC_IS_DCE4(rdev)) {
1425                 struct radeon_atom_ss ss;
1426                 bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
1427                                                                    ASIC_INTERNAL_SS_ON_DCPLL,
1428                                                                    rdev->clock.default_dispclk);
1429                 if (ss_enabled)
1430                         atombios_crtc_program_ss(crtc, ATOM_DISABLE, ATOM_DCPLL, &ss);
1431                 /* XXX: DCE5, make sure voltage, dispclk is high enough */
1432                 atombios_crtc_set_dcpll(crtc, rdev->clock.default_dispclk);
1433                 if (ss_enabled)
1434                         atombios_crtc_program_ss(crtc, ATOM_ENABLE, ATOM_DCPLL, &ss);
1435         }
1436         atombios_crtc_set_pll(crtc, adjusted_mode);
1437
1438         if (ASIC_IS_DCE4(rdev))
1439                 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1440         else if (ASIC_IS_AVIVO(rdev)) {
1441                 if (is_tvcv)
1442                         atombios_crtc_set_timing(crtc, adjusted_mode);
1443                 else
1444                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1445         } else {
1446                 atombios_crtc_set_timing(crtc, adjusted_mode);
1447                 if (radeon_crtc->crtc_id == 0)
1448                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1449                 radeon_legacy_atom_fixup(crtc);
1450         }
1451         atombios_crtc_set_base(crtc, x, y, old_fb);
1452         atombios_overscan_setup(crtc, mode, adjusted_mode);
1453         atombios_scaler_setup(crtc);
1454         return 0;
1455 }
1456
1457 static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
1458                                      struct drm_display_mode *mode,
1459                                      struct drm_display_mode *adjusted_mode)
1460 {
1461         struct drm_device *dev = crtc->dev;
1462         struct radeon_device *rdev = dev->dev_private;
1463
1464         /* adjust pm to upcoming mode change */
1465         radeon_pm_compute_clocks(rdev);
1466
1467         if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
1468                 return false;
1469         return true;
1470 }
1471
1472 static void atombios_crtc_prepare(struct drm_crtc *crtc)
1473 {
1474         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1475
1476         /* pick pll */
1477         radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
1478
1479         atombios_lock_crtc(crtc, ATOM_ENABLE);
1480         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1481 }
1482
1483 static void atombios_crtc_commit(struct drm_crtc *crtc)
1484 {
1485         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
1486         atombios_lock_crtc(crtc, ATOM_DISABLE);
1487 }
1488
1489 static void atombios_crtc_disable(struct drm_crtc *crtc)
1490 {
1491         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1492         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1493
1494         switch (radeon_crtc->pll_id) {
1495         case ATOM_PPLL1:
1496         case ATOM_PPLL2:
1497                 /* disable the ppll */
1498                 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1499                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0);
1500                 break;
1501         default:
1502                 break;
1503         }
1504         radeon_crtc->pll_id = -1;
1505 }
1506
1507 static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
1508         .dpms = atombios_crtc_dpms,
1509         .mode_fixup = atombios_crtc_mode_fixup,
1510         .mode_set = atombios_crtc_mode_set,
1511         .mode_set_base = atombios_crtc_set_base,
1512         .mode_set_base_atomic = atombios_crtc_set_base_atomic,
1513         .prepare = atombios_crtc_prepare,
1514         .commit = atombios_crtc_commit,
1515         .load_lut = radeon_crtc_load_lut,
1516         .disable = atombios_crtc_disable,
1517 };
1518
1519 void radeon_atombios_init_crtc(struct drm_device *dev,
1520                                struct radeon_crtc *radeon_crtc)
1521 {
1522         struct radeon_device *rdev = dev->dev_private;
1523
1524         if (ASIC_IS_DCE4(rdev)) {
1525                 switch (radeon_crtc->crtc_id) {
1526                 case 0:
1527                 default:
1528                         radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
1529                         break;
1530                 case 1:
1531                         radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
1532                         break;
1533                 case 2:
1534                         radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
1535                         break;
1536                 case 3:
1537                         radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
1538                         break;
1539                 case 4:
1540                         radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
1541                         break;
1542                 case 5:
1543                         radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
1544                         break;
1545                 }
1546         } else {
1547                 if (radeon_crtc->crtc_id == 1)
1548                         radeon_crtc->crtc_offset =
1549                                 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
1550                 else
1551                         radeon_crtc->crtc_offset = 0;
1552         }
1553         radeon_crtc->pll_id = -1;
1554         drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
1555 }