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 = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
  52                 args.usOverscanBottom = (adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2;
  53                 args.usOverscanLeft = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
  54                 args.usOverscanRight = (adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2;
  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 = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
  62                         args.usOverscanRight = (adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2;
  63                 } else if (a2 > a1) {
  64                         args.usOverscanLeft = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
  65                         args.usOverscanRight = (adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2;
  66                 }
  67                 break;
  68         case RMX_FULL:
  69         default:
  70                 args.usOverscanRight = radeon_crtc->h_border;
  71                 args.usOverscanLeft = radeon_crtc->h_border;
  72                 args.usOverscanBottom = radeon_crtc->v_border;
  73                 args.usOverscanTop = radeon_crtc->v_border;
  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 = 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 = ss->amount;
 428                         args.v3.usSpreadSpectrumStep = ss->step;
 429                         break;
 430                 case ATOM_PPLL2:
 431                         args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
 432                         args.v3.usSpreadSpectrumAmount = ss->amount;
 433                         args.v3.usSpreadSpectrumStep = ss->step;
 434                         break;
 435                 case ATOM_DCPLL:
 436                         args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
 437                         args.v3.usSpreadSpectrumAmount = 0;
 438                         args.v3.usSpreadSpectrumStep = 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 = ss->amount;
 451                         args.v2.usSpreadSpectrumStep = ss->step;
 452                         break;
 453                 case ATOM_PPLL2:
 454                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL;
 455                         args.v2.usSpreadSpectrumAmount = ss->amount;
 456                         args.v2.usSpreadSpectrumStep = ss->step;
 457                         break;
 458                 case ATOM_DCPLL:
 459                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL;
 460                         args.v2.usSpreadSpectrumAmount = 0;
 461                         args.v2.usSpreadSpectrumStep = 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
 544         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 545                 if (encoder->crtc == crtc) {
 546                         radeon_encoder = to_radeon_encoder(encoder);
 547                         encoder_mode = atombios_get_encoder_mode(encoder);
 548                         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
 549                                 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 550                                 if (connector) {
 551                                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 552                                         struct radeon_connector_atom_dig *dig_connector =
 553                                                 radeon_connector->con_priv;
 554
 555                                         dp_clock = dig_connector->dp_clock;
 556                                 }
 557                         }
 558 #if 0 /* doesn't work properly on some laptops */
 559                         /* use recommended ref_div for ss */
 560                         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 561                                 if (ss_enabled) {
 562                                         if (ss->refdiv) {
 563                                                 pll->flags |= RADEON_PLL_USE_REF_DIV;
 564                                                 pll->reference_div = ss->refdiv;
 565                                         }
 566                                 }
 567                         }
 568 #endif
 569                         if (ASIC_IS_AVIVO(rdev)) {
 570                                 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
 571                                 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
 572                                         adjusted_clock = mode->clock * 2;
 573                                 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
 574                                         pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
 575                         } else {
 576                                 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
 577                                         pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
 578                                 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
 579                                         pll->flags |= RADEON_PLL_USE_REF_DIV;
 580                         }
 581                         break;
 582                 }
 583         }
 584
 585         /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
 586          * accordingly based on the encoder/transmitter to work around
 587          * special hw requirements.
 588          */
 589         if (ASIC_IS_DCE3(rdev)) {
 590                 union adjust_pixel_clock args;
 591                 u8 frev, crev;
 592                 int index;
 593
 594                 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
 595                 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 596                                            &crev))
 597                         return adjusted_clock;
 598
 599                 memset(&args, 0, sizeof(args));
 600
 601                 switch (frev) {
 602                 case 1:
 603                         switch (crev) {
 604                         case 1:
 605                         case 2:
 606                                 args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
 607                                 args.v1.ucTransmitterID = radeon_encoder->encoder_id;
 608                                 args.v1.ucEncodeMode = encoder_mode;
 609                                 if (ss_enabled)
 610                                         args.v1.ucConfig |=
 611                                                 ADJUST_DISPLAY_CONFIG_SS_ENABLE;
 612
 613                                 atom_execute_table(rdev->mode_info.atom_context,
 614                                                    index, (uint32_t *)&args);
 615                                 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
 616                                 break;
 617                         case 3:
 618                                 args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
 619                                 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
 620                                 args.v3.sInput.ucEncodeMode = encoder_mode;
 621                                 args.v3.sInput.ucDispPllConfig = 0;
 622                                 if (ss_enabled)
 623                                         args.v3.sInput.ucDispPllConfig |=
 624                                                 DISPPLL_CONFIG_SS_ENABLE;
 625                                 if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
 626                                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 627                                         if (encoder_mode == ATOM_ENCODER_MODE_DP) {
 628                                                 args.v3.sInput.ucDispPllConfig |=
 629                                                         DISPPLL_CONFIG_COHERENT_MODE;
 630                                                 /* 16200 or 27000 */
 631                                                 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
 632                                         } else {
 633                                                 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
 634                                                         /* deep color support */
 635                                                         args.v3.sInput.usPixelClock =
 636                                                                 cpu_to_le16((mode->clock * bpc / 8) / 10);
 637                                                 }
 638                                                 if (dig->coherent_mode)
 639                                                         args.v3.sInput.ucDispPllConfig |=
 640                                                                 DISPPLL_CONFIG_COHERENT_MODE;
 641                                                 if (mode->clock > 165000)
 642                                                         args.v3.sInput.ucDispPllConfig |=
 643                                                                 DISPPLL_CONFIG_DUAL_LINK;
 644                                         }
 645                                 } else if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 646                                         if (encoder_mode == ATOM_ENCODER_MODE_DP) {
 647                                                 args.v3.sInput.ucDispPllConfig |=
 648                                                         DISPPLL_CONFIG_COHERENT_MODE;
 649                                                 /* 16200 or 27000 */
 650                                                 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
 651                                         } else if (encoder_mode != ATOM_ENCODER_MODE_LVDS) {
 652                                                 if (mode->clock > 165000)
 653                                                         args.v3.sInput.ucDispPllConfig |=
 654                                                                 DISPPLL_CONFIG_DUAL_LINK;
 655                                         }
 656                                 }
 657                                 atom_execute_table(rdev->mode_info.atom_context,
 658                                                    index, (uint32_t *)&args);
 659                                 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
 660                                 if (args.v3.sOutput.ucRefDiv) {
 661                                         pll->flags |= RADEON_PLL_USE_REF_DIV;
 662                                         pll->reference_div = args.v3.sOutput.ucRefDiv;
 663                                 }
 664                                 if (args.v3.sOutput.ucPostDiv) {
 665                                         pll->flags |= RADEON_PLL_USE_POST_DIV;
 666                                         pll->post_div = args.v3.sOutput.ucPostDiv;
 667                                 }
 668                                 break;
 669                         default:
 670                                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 671                                 return adjusted_clock;
 672                         }
 673                         break;
 674                 default:
 675                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 676                         return adjusted_clock;
 677                 }
 678         }
 679         return adjusted_clock;
 680 }
 681
 682 union set_pixel_clock {
 683         SET_PIXEL_CLOCK_PS_ALLOCATION base;
 684         PIXEL_CLOCK_PARAMETERS v1;
 685         PIXEL_CLOCK_PARAMETERS_V2 v2;
 686         PIXEL_CLOCK_PARAMETERS_V3 v3;
 687         PIXEL_CLOCK_PARAMETERS_V5 v5;
 688         PIXEL_CLOCK_PARAMETERS_V6 v6;
 689 };
 690
 691 /* on DCE5, make sure the voltage is high enough to support the
 692  * required disp clk.
 693  */
 694 static void atombios_crtc_set_dcpll(struct drm_crtc *crtc,
 695                                     u32 dispclk)
 696 {
 697         struct drm_device *dev = crtc->dev;
 698         struct radeon_device *rdev = dev->dev_private;
 699         u8 frev, crev;
 700         int index;
 701         union set_pixel_clock args;
 702
 703         memset(&args, 0, sizeof(args));
 704
 705         index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 706         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 707                                    &crev))
 708                 return;
 709
 710         switch (frev) {
 711         case 1:
 712                 switch (crev) {
 713                 case 5:
 714                         /* if the default dcpll clock is specified,
 715                          * SetPixelClock provides the dividers
 716                          */
 717                         args.v5.ucCRTC = ATOM_CRTC_INVALID;
 718                         args.v5.usPixelClock = dispclk;
 719                         args.v5.ucPpll = ATOM_DCPLL;
 720                         break;
 721                 case 6:
 722                         /* if the default dcpll clock is specified,
 723                          * SetPixelClock provides the dividers
 724                          */
 725                         args.v6.ulDispEngClkFreq = dispclk;
 726                         args.v6.ucPpll = ATOM_DCPLL;
 727                         break;
 728                 default:
 729                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 730                         return;
 731                 }
 732                 break;
 733         default:
 734                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 735                 return;
 736         }
 737         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 738 }
 739
 740 static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 741                                       int crtc_id,
 742                                       int pll_id,
 743                                       u32 encoder_mode,
 744                                       u32 encoder_id,
 745                                       u32 clock,
 746                                       u32 ref_div,
 747                                       u32 fb_div,
 748                                       u32 frac_fb_div,
 749                                       u32 post_div)
 750 {
 751         struct drm_device *dev = crtc->dev;
 752         struct radeon_device *rdev = dev->dev_private;
 753         u8 frev, crev;
 754         int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 755         union set_pixel_clock args;
 756
 757         memset(&args, 0, sizeof(args));
 758
 759         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 760                                    &crev))
 761                 return;
 762
 763         switch (frev) {
 764         case 1:
 765                 switch (crev) {
 766                 case 1:
 767                         if (clock == ATOM_DISABLE)
 768                                 return;
 769                         args.v1.usPixelClock = cpu_to_le16(clock / 10);
 770                         args.v1.usRefDiv = cpu_to_le16(ref_div);
 771                         args.v1.usFbDiv = cpu_to_le16(fb_div);
 772                         args.v1.ucFracFbDiv = frac_fb_div;
 773                         args.v1.ucPostDiv = post_div;
 774                         args.v1.ucPpll = pll_id;
 775                         args.v1.ucCRTC = crtc_id;
 776                         args.v1.ucRefDivSrc = 1;
 777                         break;
 778                 case 2:
 779                         args.v2.usPixelClock = cpu_to_le16(clock / 10);
 780                         args.v2.usRefDiv = cpu_to_le16(ref_div);
 781                         args.v2.usFbDiv = cpu_to_le16(fb_div);
 782                         args.v2.ucFracFbDiv = frac_fb_div;
 783                         args.v2.ucPostDiv = post_div;
 784                         args.v2.ucPpll = pll_id;
 785                         args.v2.ucCRTC = crtc_id;
 786                         args.v2.ucRefDivSrc = 1;
 787                         break;
 788                 case 3:
 789                         args.v3.usPixelClock = cpu_to_le16(clock / 10);
 790                         args.v3.usRefDiv = cpu_to_le16(ref_div);
 791                         args.v3.usFbDiv = cpu_to_le16(fb_div);
 792                         args.v3.ucFracFbDiv = frac_fb_div;
 793                         args.v3.ucPostDiv = post_div;
 794                         args.v3.ucPpll = pll_id;
 795                         args.v3.ucMiscInfo = (pll_id << 2);
 796                         args.v3.ucTransmitterId = encoder_id;
 797                         args.v3.ucEncoderMode = encoder_mode;
 798                         break;
 799                 case 5:
 800                         args.v5.ucCRTC = crtc_id;
 801                         args.v5.usPixelClock = cpu_to_le16(clock / 10);
 802                         args.v5.ucRefDiv = ref_div;
 803                         args.v5.usFbDiv = cpu_to_le16(fb_div);
 804                         args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 805                         args.v5.ucPostDiv = post_div;
 806                         args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
 807                         args.v5.ucTransmitterID = encoder_id;
 808                         args.v5.ucEncoderMode = encoder_mode;
 809                         args.v5.ucPpll = pll_id;
 810                         break;
 811                 case 6:
 812                         args.v6.ulCrtcPclkFreq.ucCRTC = crtc_id;
 813                         args.v6.ulCrtcPclkFreq.ulPixelClock = cpu_to_le32(clock / 10);
 814                         args.v6.ucRefDiv = ref_div;
 815                         args.v6.usFbDiv = cpu_to_le16(fb_div);
 816                         args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 817                         args.v6.ucPostDiv = post_div;
 818                         args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
 819                         args.v6.ucTransmitterID = encoder_id;
 820                         args.v6.ucEncoderMode = encoder_mode;
 821                         args.v6.ucPpll = pll_id;
 822                         break;
 823                 default:
 824                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 825                         return;
 826                 }
 827                 break;
 828         default:
 829                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 830                 return;
 831         }
 832
 833         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 834 }
 835
 836 static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 837 {
 838         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 839         struct drm_device *dev = crtc->dev;
 840         struct radeon_device *rdev = dev->dev_private;
 841         struct drm_encoder *encoder = NULL;
 842         struct radeon_encoder *radeon_encoder = NULL;
 843         u32 pll_clock = mode->clock;
 844         u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
 845         struct radeon_pll *pll;
 846         u32 adjusted_clock;
 847         int encoder_mode = 0;
 848         struct radeon_atom_ss ss;
 849         bool ss_enabled = false;
 850
 851         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 852                 if (encoder->crtc == crtc) {
 853                         radeon_encoder = to_radeon_encoder(encoder);
 854                         encoder_mode = atombios_get_encoder_mode(encoder);
 855                         break;
 856                 }
 857         }
 858
 859         if (!radeon_encoder)
 860                 return;
 861
 862         switch (radeon_crtc->pll_id) {
 863         case ATOM_PPLL1:
 864                 pll = &rdev->clock.p1pll;
 865                 break;
 866         case ATOM_PPLL2:
 867                 pll = &rdev->clock.p2pll;
 868                 break;
 869         case ATOM_DCPLL:
 870         case ATOM_PPLL_INVALID:
 871         default:
 872                 pll = &rdev->clock.dcpll;
 873                 break;
 874         }
 875
 876         if (radeon_encoder->active_device &
 877             (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
 878                 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 879                 struct drm_connector *connector =
 880                         radeon_get_connector_for_encoder(encoder);
 881                 struct radeon_connector *radeon_connector =
 882                         to_radeon_connector(connector);
 883                 struct radeon_connector_atom_dig *dig_connector =
 884                         radeon_connector->con_priv;
 885                 int dp_clock;
 886
 887                 switch (encoder_mode) {
 888                 case ATOM_ENCODER_MODE_DP:
 889                         /* DP/eDP */
 890                         dp_clock = dig_connector->dp_clock / 10;
 891                         if (radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT)) {
 892                                 if (ASIC_IS_DCE4(rdev))
 893                                         ss_enabled =
 894                                                 radeon_atombios_get_asic_ss_info(rdev, &ss,
 895                                                                                  dig->lcd_ss_id,
 896                                                                                  dp_clock);
 897                                 else
 898                                         ss_enabled =
 899                                                 radeon_atombios_get_ppll_ss_info(rdev, &ss,
 900                                                                                  dig->lcd_ss_id);
 901                         } else {
 902                                 if (ASIC_IS_DCE4(rdev))
 903                                         ss_enabled =
 904                                                 radeon_atombios_get_asic_ss_info(rdev, &ss,
 905                                                                                  ASIC_INTERNAL_SS_ON_DP,
 906                                                                                  dp_clock);
 907                                 else {
 908                                         if (dp_clock == 16200) {
 909                                                 ss_enabled =
 910                                                         radeon_atombios_get_ppll_ss_info(rdev, &ss,
 911                                                                                          ATOM_DP_SS_ID2);
 912                                                 if (!ss_enabled)
 913                                                         ss_enabled =
 914                                                                 radeon_atombios_get_ppll_ss_info(rdev, &ss,
 915                                                                                                  ATOM_DP_SS_ID1);
 916                                         } else
 917                                                 ss_enabled =
 918                                                         radeon_atombios_get_ppll_ss_info(rdev, &ss,
 919                                                                                          ATOM_DP_SS_ID1);
 920                                 }
 921                         }
 922                         break;
 923                 case ATOM_ENCODER_MODE_LVDS:
 924                         if (ASIC_IS_DCE4(rdev))
 925                                 ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
 926                                                                               dig->lcd_ss_id,
 927                                                                               mode->clock / 10);
 928                         else
 929                                 ss_enabled = radeon_atombios_get_ppll_ss_info(rdev, &ss,
 930                                                                               dig->lcd_ss_id);
 931                         break;
 932                 case ATOM_ENCODER_MODE_DVI:
 933                         if (ASIC_IS_DCE4(rdev))
 934                                 ss_enabled =
 935                                         radeon_atombios_get_asic_ss_info(rdev, &ss,
 936                                                                          ASIC_INTERNAL_SS_ON_TMDS,
 937                                                                          mode->clock / 10);
 938                         break;
 939                 case ATOM_ENCODER_MODE_HDMI:
 940                         if (ASIC_IS_DCE4(rdev))
 941                                 ss_enabled =
 942                                         radeon_atombios_get_asic_ss_info(rdev, &ss,
 943                                                                          ASIC_INTERNAL_SS_ON_HDMI,
 944                                                                          mode->clock / 10);
 945                         break;
 946                 default:
 947                         break;
 948                 }
 949         }
 950
 951         /* adjust pixel clock as needed */
 952         adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss);
 953
 954         radeon_compute_pll(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
 955                            &ref_div, &post_div);
 956
 957         atombios_crtc_program_ss(crtc, ATOM_DISABLE, radeon_crtc->pll_id, &ss);
 958
 959         atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
 960                                   encoder_mode, radeon_encoder->encoder_id, mode->clock,
 961                                   ref_div, fb_div, frac_fb_div, post_div);
 962
 963         if (ss_enabled) {
 964                 /* calculate ss amount and step size */
 965                 if (ASIC_IS_DCE4(rdev)) {
 966                         u32 step_size;
 967                         u32 amount = (((fb_div * 10) + frac_fb_div) * ss.percentage) / 10000;
 968                         ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
 969                         ss.amount |= ((amount - (ss.amount * 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
 970                                 ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
 971                         if (ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
 972                                 step_size = (4 * amount * ref_div * (ss.rate * 2048)) /
 973                                         (125 * 25 * pll->reference_freq / 100);
 974                         else
 975                                 step_size = (2 * amount * ref_div * (ss.rate * 2048)) /
 976                                         (125 * 25 * pll->reference_freq / 100);
 977                         ss.step = step_size;
 978                 }
 979
 980                 atombios_crtc_program_ss(crtc, ATOM_ENABLE, radeon_crtc->pll_id, &ss);
 981         }
 982 }
 983
 984 static int evergreen_crtc_do_set_base(struct drm_crtc *crtc,
 985                                       struct drm_framebuffer *fb,
 986                                       int x, int y, int atomic)
 987 {
 988         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 989         struct drm_device *dev = crtc->dev;
 990         struct radeon_device *rdev = dev->dev_private;
 991         struct radeon_framebuffer *radeon_fb;
 992         struct drm_framebuffer *target_fb;
 993         struct drm_gem_object *obj;
 994         struct radeon_bo *rbo;
 995         uint64_t fb_location;
 996         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
 997         int r;
 998
 999         /* no fb bound */
1000         if (!atomic && !crtc->fb) {
1001                 DRM_DEBUG_KMS("No FB bound\n");
1002                 return 0;
1003         }
1004
1005         if (atomic) {
1006                 radeon_fb = to_radeon_framebuffer(fb);
1007                 target_fb = fb;
1008         }
1009         else {
1010                 radeon_fb = to_radeon_framebuffer(crtc->fb);
1011                 target_fb = crtc->fb;
1012         }
1013
1014         /* If atomic, assume fb object is pinned & idle & fenced and
1015          * just update base pointers
1016          */
1017         obj = radeon_fb->obj;
1018         rbo = obj->driver_private;
1019         r = radeon_bo_reserve(rbo, false);
1020         if (unlikely(r != 0))
1021                 return r;
1022
1023         if (atomic)
1024                 fb_location = radeon_bo_gpu_offset(rbo);
1025         else {
1026                 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1027                 if (unlikely(r != 0)) {
1028                         radeon_bo_unreserve(rbo);
1029                         return -EINVAL;
1030                 }
1031         }
1032
1033         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1034         radeon_bo_unreserve(rbo);
1035
1036         switch (target_fb->bits_per_pixel) {
1037         case 8:
1038                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
1039                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
1040                 break;
1041         case 15:
1042                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1043                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
1044                 break;
1045         case 16:
1046                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1047                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
1048                 break;
1049         case 24:
1050         case 32:
1051                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
1052                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
1053                 break;
1054         default:
1055                 DRM_ERROR("Unsupported screen depth %d\n",
1056                           target_fb->bits_per_pixel);
1057                 return -EINVAL;
1058         }
1059
1060         if (tiling_flags & RADEON_TILING_MACRO)
1061                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
1062         else if (tiling_flags & RADEON_TILING_MICRO)
1063                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
1064
1065         switch (radeon_crtc->crtc_id) {
1066         case 0:
1067                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1068                 break;
1069         case 1:
1070                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1071                 break;
1072         case 2:
1073                 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1074                 break;
1075         case 3:
1076                 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1077                 break;
1078         case 4:
1079                 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1080                 break;
1081         case 5:
1082                 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1083                 break;
1084         default:
1085                 break;
1086         }
1087
1088         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1089                upper_32_bits(fb_location));
1090         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1091                upper_32_bits(fb_location));
1092         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1093                (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1094         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1095                (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1096         WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1097
1098         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1099         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1100         WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
1101         WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1102         WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1103         WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1104
1105         fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
1106         WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1107         WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1108
1109         WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1110                crtc->mode.vdisplay);
1111         x &= ~3;
1112         y &= ~1;
1113         WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
1114                (x << 16) | y);
1115         WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1116                (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
1117
1118         if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
1119                 WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset,
1120                        EVERGREEN_INTERLEAVE_EN);
1121         else
1122                 WREG32(EVERGREEN_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
1123
1124         if (!atomic && fb && fb != crtc->fb) {
1125                 radeon_fb = to_radeon_framebuffer(fb);
1126                 rbo = radeon_fb->obj->driver_private;
1127                 r = radeon_bo_reserve(rbo, false);
1128                 if (unlikely(r != 0))
1129                         return r;
1130                 radeon_bo_unpin(rbo);
1131                 radeon_bo_unreserve(rbo);
1132         }
1133
1134         /* Bytes per pixel may have changed */
1135         radeon_bandwidth_update(rdev);
1136
1137         return 0;
1138 }
1139
1140 static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
1141                                   struct drm_framebuffer *fb,
1142                                   int x, int y, int atomic)
1143 {
1144         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1145         struct drm_device *dev = crtc->dev;
1146         struct radeon_device *rdev = dev->dev_private;
1147         struct radeon_framebuffer *radeon_fb;
1148         struct drm_gem_object *obj;
1149         struct radeon_bo *rbo;
1150         struct drm_framebuffer *target_fb;
1151         uint64_t fb_location;
1152         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1153         int r;
1154
1155         /* no fb bound */
1156         if (!atomic && !crtc->fb) {
1157                 DRM_DEBUG_KMS("No FB bound\n");
1158                 return 0;
1159         }
1160
1161         if (atomic) {
1162                 radeon_fb = to_radeon_framebuffer(fb);
1163                 target_fb = fb;
1164         }
1165         else {
1166                 radeon_fb = to_radeon_framebuffer(crtc->fb);
1167                 target_fb = crtc->fb;
1168         }
1169
1170         obj = radeon_fb->obj;
1171         rbo = obj->driver_private;
1172         r = radeon_bo_reserve(rbo, false);
1173         if (unlikely(r != 0))
1174                 return r;
1175
1176         /* If atomic, assume fb object is pinned & idle & fenced and
1177          * just update base pointers
1178          */
1179         if (atomic)
1180                 fb_location = radeon_bo_gpu_offset(rbo);
1181         else {
1182                 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1183                 if (unlikely(r != 0)) {
1184                         radeon_bo_unreserve(rbo);
1185                         return -EINVAL;
1186                 }
1187         }
1188         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1189         radeon_bo_unreserve(rbo);
1190
1191         switch (target_fb->bits_per_pixel) {
1192         case 8:
1193                 fb_format =
1194                     AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
1195                     AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
1196                 break;
1197         case 15:
1198                 fb_format =
1199                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1200                     AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
1201                 break;
1202         case 16:
1203                 fb_format =
1204                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1205                     AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
1206                 break;
1207         case 24:
1208         case 32:
1209                 fb_format =
1210                     AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
1211                     AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
1212                 break;
1213         default:
1214                 DRM_ERROR("Unsupported screen depth %d\n",
1215                           target_fb->bits_per_pixel);
1216                 return -EINVAL;
1217         }
1218
1219         if (rdev->family >= CHIP_R600) {
1220                 if (tiling_flags & RADEON_TILING_MACRO)
1221                         fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1;
1222                 else if (tiling_flags & RADEON_TILING_MICRO)
1223                         fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1;
1224         } else {
1225                 if (tiling_flags & RADEON_TILING_MACRO)
1226                         fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
1227
1228                 if (tiling_flags & RADEON_TILING_MICRO)
1229                         fb_format |= AVIVO_D1GRPH_TILED;
1230         }
1231
1232         if (radeon_crtc->crtc_id == 0)
1233                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1234         else
1235                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1236
1237         if (rdev->family >= CHIP_RV770) {
1238                 if (radeon_crtc->crtc_id) {
1239                         WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1240                         WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1241                 } else {
1242                         WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1243                         WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1244                 }
1245         }
1246         WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1247                (u32) fb_location);
1248         WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
1249                radeon_crtc->crtc_offset, (u32) fb_location);
1250         WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1251
1252         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1253         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1254         WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
1255         WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1256         WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1257         WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1258
1259         fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
1260         WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1261         WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1262
1263         WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1264                crtc->mode.vdisplay);
1265         x &= ~3;
1266         y &= ~1;
1267         WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
1268                (x << 16) | y);
1269         WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1270                (crtc->mode.hdisplay << 16) | crtc->mode.vdisplay);
1271
1272         if (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)
1273                 WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset,
1274                        AVIVO_D1MODE_INTERLEAVE_EN);
1275         else
1276                 WREG32(AVIVO_D1MODE_DATA_FORMAT + radeon_crtc->crtc_offset, 0);
1277
1278         if (!atomic && fb && fb != crtc->fb) {
1279                 radeon_fb = to_radeon_framebuffer(fb);
1280                 rbo = radeon_fb->obj->driver_private;
1281                 r = radeon_bo_reserve(rbo, false);
1282                 if (unlikely(r != 0))
1283                         return r;
1284                 radeon_bo_unpin(rbo);
1285                 radeon_bo_unreserve(rbo);
1286         }
1287
1288         /* Bytes per pixel may have changed */
1289         radeon_bandwidth_update(rdev);
1290
1291         return 0;
1292 }
1293
1294 int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
1295                            struct drm_framebuffer *old_fb)
1296 {
1297         struct drm_device *dev = crtc->dev;
1298         struct radeon_device *rdev = dev->dev_private;
1299
1300         if (ASIC_IS_DCE4(rdev))
1301                 return evergreen_crtc_do_set_base(crtc, old_fb, x, y, 0);
1302         else if (ASIC_IS_AVIVO(rdev))
1303                 return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
1304         else
1305                 return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
1306 }
1307
1308 int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
1309                                   struct drm_framebuffer *fb,
1310                                   int x, int y, enum mode_set_atomic state)
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 evergreen_crtc_do_set_base(crtc, fb, x, y, 1);
1317         else if (ASIC_IS_AVIVO(rdev))
1318                 return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
1319         else
1320                 return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
1321 }
1322
1323 /* properly set additional regs when using atombios */
1324 static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
1325 {
1326         struct drm_device *dev = crtc->dev;
1327         struct radeon_device *rdev = dev->dev_private;
1328         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1329         u32 disp_merge_cntl;
1330
1331         switch (radeon_crtc->crtc_id) {
1332         case 0:
1333                 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
1334                 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
1335                 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
1336                 break;
1337         case 1:
1338                 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
1339                 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
1340                 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
1341                 WREG32(RADEON_FP_H2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
1342                 WREG32(RADEON_FP_V2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
1343                 break;
1344         }
1345 }
1346
1347 static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1348 {
1349         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1350         struct drm_device *dev = crtc->dev;
1351         struct radeon_device *rdev = dev->dev_private;
1352         struct drm_encoder *test_encoder;
1353         struct drm_crtc *test_crtc;
1354         uint32_t pll_in_use = 0;
1355
1356         if (ASIC_IS_DCE4(rdev)) {
1357                 /* if crtc is driving DP and we have an ext clock, use that */
1358                 list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
1359                         if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
1360                                 if (atombios_get_encoder_mode(test_encoder) == ATOM_ENCODER_MODE_DP) {
1361                                         if (rdev->clock.dp_extclk)
1362                                                 return ATOM_PPLL_INVALID;
1363                                 }
1364                         }
1365                 }
1366
1367                 /* otherwise, pick one of the plls */
1368                 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1369                         struct radeon_crtc *radeon_test_crtc;
1370
1371                         if (crtc == test_crtc)
1372                                 continue;
1373
1374                         radeon_test_crtc = to_radeon_crtc(test_crtc);
1375                         if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) &&
1376                             (radeon_test_crtc->pll_id <= ATOM_PPLL2))
1377                                 pll_in_use |= (1 << radeon_test_crtc->pll_id);
1378                 }
1379                 if (!(pll_in_use & 1))
1380                         return ATOM_PPLL1;
1381                 return ATOM_PPLL2;
1382         } else
1383                 return radeon_crtc->crtc_id;
1384
1385 }
1386
1387 int atombios_crtc_mode_set(struct drm_crtc *crtc,
1388                            struct drm_display_mode *mode,
1389                            struct drm_display_mode *adjusted_mode,
1390                            int x, int y, struct drm_framebuffer *old_fb)
1391 {
1392         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1393         struct drm_device *dev = crtc->dev;
1394         struct radeon_device *rdev = dev->dev_private;
1395         struct drm_encoder *encoder;
1396         bool is_tvcv = false;
1397
1398         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1399                 /* find tv std */
1400                 if (encoder->crtc == crtc) {
1401                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1402                         if (radeon_encoder->active_device &
1403                             (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
1404                                 is_tvcv = true;
1405                 }
1406         }
1407
1408         /* always set DCPLL */
1409         if (ASIC_IS_DCE4(rdev)) {
1410                 struct radeon_atom_ss ss;
1411                 bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
1412                                                                    ASIC_INTERNAL_SS_ON_DCPLL,
1413                                                                    rdev->clock.default_dispclk);
1414                 if (ss_enabled)
1415                         atombios_crtc_program_ss(crtc, ATOM_DISABLE, ATOM_DCPLL, &ss);
1416                 /* XXX: DCE5, make sure voltage, dispclk is high enough */
1417                 atombios_crtc_set_dcpll(crtc, rdev->clock.default_dispclk);
1418                 if (ss_enabled)
1419                         atombios_crtc_program_ss(crtc, ATOM_ENABLE, ATOM_DCPLL, &ss);
1420         }
1421         atombios_crtc_set_pll(crtc, adjusted_mode);
1422
1423         if (ASIC_IS_DCE4(rdev))
1424                 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1425         else if (ASIC_IS_AVIVO(rdev)) {
1426                 if (is_tvcv)
1427                         atombios_crtc_set_timing(crtc, adjusted_mode);
1428                 else
1429                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1430         } else {
1431                 atombios_crtc_set_timing(crtc, adjusted_mode);
1432                 if (radeon_crtc->crtc_id == 0)
1433                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1434                 radeon_legacy_atom_fixup(crtc);
1435         }
1436         atombios_crtc_set_base(crtc, x, y, old_fb);
1437         atombios_overscan_setup(crtc, mode, adjusted_mode);
1438         atombios_scaler_setup(crtc);
1439         return 0;
1440 }
1441
1442 static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
1443                                      struct drm_display_mode *mode,
1444                                      struct drm_display_mode *adjusted_mode)
1445 {
1446         struct drm_device *dev = crtc->dev;
1447         struct radeon_device *rdev = dev->dev_private;
1448
1449         /* adjust pm to upcoming mode change */
1450         radeon_pm_compute_clocks(rdev);
1451
1452         if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
1453                 return false;
1454         return true;
1455 }
1456
1457 static void atombios_crtc_prepare(struct drm_crtc *crtc)
1458 {
1459         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1460
1461         /* pick pll */
1462         radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
1463
1464         atombios_lock_crtc(crtc, ATOM_ENABLE);
1465         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1466 }
1467
1468 static void atombios_crtc_commit(struct drm_crtc *crtc)
1469 {
1470         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
1471         atombios_lock_crtc(crtc, ATOM_DISABLE);
1472 }
1473
1474 static void atombios_crtc_disable(struct drm_crtc *crtc)
1475 {
1476         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1477         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1478
1479         switch (radeon_crtc->pll_id) {
1480         case ATOM_PPLL1:
1481         case ATOM_PPLL2:
1482                 /* disable the ppll */
1483                 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1484                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0);
1485                 break;
1486         default:
1487                 break;
1488         }
1489         radeon_crtc->pll_id = -1;
1490 }
1491
1492 static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
1493         .dpms = atombios_crtc_dpms,
1494         .mode_fixup = atombios_crtc_mode_fixup,
1495         .mode_set = atombios_crtc_mode_set,
1496         .mode_set_base = atombios_crtc_set_base,
1497         .mode_set_base_atomic = atombios_crtc_set_base_atomic,
1498         .prepare = atombios_crtc_prepare,
1499         .commit = atombios_crtc_commit,
1500         .load_lut = radeon_crtc_load_lut,
1501         .disable = atombios_crtc_disable,
1502 };
1503
1504 void radeon_atombios_init_crtc(struct drm_device *dev,
1505                                struct radeon_crtc *radeon_crtc)
1506 {
1507         struct radeon_device *rdev = dev->dev_private;
1508
1509         if (ASIC_IS_DCE4(rdev)) {
1510                 switch (radeon_crtc->crtc_id) {
1511                 case 0:
1512                 default:
1513                         radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
1514                         break;
1515                 case 1:
1516                         radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
1517                         break;
1518                 case 2:
1519                         radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
1520                         break;
1521                 case 3:
1522                         radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
1523                         break;
1524                 case 4:
1525                         radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
1526                         break;
1527                 case 5:
1528                         radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
1529                         break;
1530                 }
1531         } else {
1532                 if (radeon_crtc->crtc_id == 1)
1533                         radeon_crtc->crtc_offset =
1534                                 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
1535                 else
1536                         radeon_crtc->crtc_offset = 0;
1537         }
1538         radeon_crtc->pll_id = -1;
1539         drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
1540 }