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.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
  65                         args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2);
  66                 }
  67                 break;
  68         case RMX_FULL:
  69         default:
  70                 args.usOverscanRight = cpu_to_le16(radeon_crtc->h_border);
  71                 args.usOverscanLeft = cpu_to_le16(radeon_crtc->h_border);
  72                 args.usOverscanBottom = cpu_to_le16(radeon_crtc->v_border);
  73                 args.usOverscanTop = cpu_to_le16(radeon_crtc->v_border);
  74                 break;
  75         }
  76         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
  77 }
  78
  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 & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 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.v3.ucEnable = enable;
 444                 if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK))
 445                         args.v3.ucEnable = ATOM_DISABLE;
 446         } else if (ASIC_IS_DCE4(rdev)) {
 447                 args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 448                 args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 449                 switch (pll_id) {
 450                 case ATOM_PPLL1:
 451                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
 452                         args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
 453                         args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 454                         break;
 455                 case ATOM_PPLL2:
 456                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL;
 457                         args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
 458                         args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 459                         break;
 460                 case ATOM_DCPLL:
 461                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL;
 462                         args.v2.usSpreadSpectrumAmount = cpu_to_le16(0);
 463                         args.v2.usSpreadSpectrumStep = cpu_to_le16(0);
 464                         break;
 465                 case ATOM_PPLL_INVALID:
 466                         return;
 467                 }
 468                 args.v2.ucEnable = enable;
 469                 if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE41(rdev))
 470                         args.v2.ucEnable = ATOM_DISABLE;
 471         } else if (ASIC_IS_DCE3(rdev)) {
 472                 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 473                 args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 474                 args.v1.ucSpreadSpectrumStep = ss->step;
 475                 args.v1.ucSpreadSpectrumDelay = ss->delay;
 476                 args.v1.ucSpreadSpectrumRange = ss->range;
 477                 args.v1.ucPpll = pll_id;
 478                 args.v1.ucEnable = enable;
 479         } else if (ASIC_IS_AVIVO(rdev)) {
 480                 if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
 481                     (ss->type & ATOM_EXTERNAL_SS_MASK)) {
 482                         atombios_disable_ss(crtc);
 483                         return;
 484                 }
 485                 args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 486                 args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 487                 args.lvds_ss_2.ucSpreadSpectrumStep = ss->step;
 488                 args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay;
 489                 args.lvds_ss_2.ucSpreadSpectrumRange = ss->range;
 490                 args.lvds_ss_2.ucEnable = enable;
 491         } else {
 492                 if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
 493                     (ss->type & ATOM_EXTERNAL_SS_MASK)) {
 494                         atombios_disable_ss(crtc);
 495                         return;
 496                 }
 497                 args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 498                 args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 499                 args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2;
 500                 args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4;
 501                 args.lvds_ss.ucEnable = enable;
 502         }
 503         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 504 }
 505
 506 union adjust_pixel_clock {
 507         ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
 508         ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
 509 };
 510
 511 static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 512                                struct drm_display_mode *mode,
 513                                struct radeon_pll *pll,
 514                                bool ss_enabled,
 515                                struct radeon_atom_ss *ss)
 516 {
 517         struct drm_device *dev = crtc->dev;
 518         struct radeon_device *rdev = dev->dev_private;
 519         struct drm_encoder *encoder = NULL;
 520         struct radeon_encoder *radeon_encoder = NULL;
 521         struct drm_connector *connector = NULL;
 522         u32 adjusted_clock = mode->clock;
 523         int encoder_mode = 0;
 524         u32 dp_clock = mode->clock;
 525         int bpc = 8;
 526
 527         /* reset the pll flags */
 528         pll->flags = 0;
 529
 530         if (ASIC_IS_AVIVO(rdev)) {
 531                 if ((rdev->family == CHIP_RS600) ||
 532                     (rdev->family == CHIP_RS690) ||
 533                     (rdev->family == CHIP_RS740))
 534                         pll->flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
 535                                        RADEON_PLL_PREFER_CLOSEST_LOWER);
 536
 537                 if (ASIC_IS_DCE32(rdev) && 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                 if (rdev->family < CHIP_RV770)
 543                         pll->flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
 544         } else {
 545                 pll->flags |= RADEON_PLL_LEGACY;
 546
 547                 if (mode->clock > 200000)       /* range limits??? */
 548                         pll->flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
 549                 else
 550                         pll->flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 551         }
 552
 553         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 554                 if (encoder->crtc == crtc) {
 555                         radeon_encoder = to_radeon_encoder(encoder);
 556                         connector = radeon_get_connector_for_encoder(encoder);
 557                         if (connector)
 558                                 bpc = connector->display_info.bpc;
 559                         encoder_mode = atombios_get_encoder_mode(encoder);
 560                         if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
 561                             (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
 562                                 if (connector) {
 563                                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 564                                         struct radeon_connector_atom_dig *dig_connector =
 565                                                 radeon_connector->con_priv;
 566
 567                                         dp_clock = dig_connector->dp_clock;
 568                                 }
 569                         }
 570
 571                         /* use recommended ref_div for ss */
 572                         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 573                                 if (ss_enabled) {
 574                                         if (ss->refdiv) {
 575                                                 pll->flags |= RADEON_PLL_USE_REF_DIV;
 576                                                 pll->reference_div = ss->refdiv;
 577                                                 if (ASIC_IS_AVIVO(rdev))
 578                                                         pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 579                                         }
 580                                 }
 581                         }
 582
 583                         if (ASIC_IS_AVIVO(rdev)) {
 584                                 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
 585                                 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
 586                                         adjusted_clock = mode->clock * 2;
 587                                 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
 588                                         pll->flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
 589                                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
 590                                         pll->flags |= RADEON_PLL_IS_LCD;
 591                         } else {
 592                                 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
 593                                         pll->flags |= RADEON_PLL_NO_ODD_POST_DIV;
 594                                 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
 595                                         pll->flags |= RADEON_PLL_USE_REF_DIV;
 596                         }
 597                         break;
 598                 }
 599         }
 600
 601         /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
 602          * accordingly based on the encoder/transmitter to work around
 603          * special hw requirements.
 604          */
 605         if (ASIC_IS_DCE3(rdev)) {
 606                 union adjust_pixel_clock args;
 607                 u8 frev, crev;
 608                 int index;
 609
 610                 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
 611                 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 612                                            &crev))
 613                         return adjusted_clock;
 614
 615                 memset(&args, 0, sizeof(args));
 616
 617                 switch (frev) {
 618                 case 1:
 619                         switch (crev) {
 620                         case 1:
 621                         case 2:
 622                                 args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
 623                                 args.v1.ucTransmitterID = radeon_encoder->encoder_id;
 624                                 args.v1.ucEncodeMode = encoder_mode;
 625                                 if (ss_enabled && ss->percentage)
 626                                         args.v1.ucConfig |=
 627                                                 ADJUST_DISPLAY_CONFIG_SS_ENABLE;
 628
 629                                 atom_execute_table(rdev->mode_info.atom_context,
 630                                                    index, (uint32_t *)&args);
 631                                 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
 632                                 break;
 633                         case 3:
 634                                 args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
 635                                 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
 636                                 args.v3.sInput.ucEncodeMode = encoder_mode;
 637                                 args.v3.sInput.ucDispPllConfig = 0;
 638                                 if (ss_enabled && ss->percentage)
 639                                         args.v3.sInput.ucDispPllConfig |=
 640                                                 DISPPLL_CONFIG_SS_ENABLE;
 641                                 if (ENCODER_MODE_IS_DP(encoder_mode)) {
 642                                         args.v3.sInput.ucDispPllConfig |=
 643                                                 DISPPLL_CONFIG_COHERENT_MODE;
 644                                         /* 16200 or 27000 */
 645                                         args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
 646                                 } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
 647                                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 648                                         if (encoder_mode == ATOM_ENCODER_MODE_HDMI)
 649                                                 /* deep color support */
 650                                                 args.v3.sInput.usPixelClock =
 651                                                         cpu_to_le16((mode->clock * bpc / 8) / 10);
 652                                         if (dig->coherent_mode)
 653                                                 args.v3.sInput.ucDispPllConfig |=
 654                                                         DISPPLL_CONFIG_COHERENT_MODE;
 655                                         if (mode->clock > 165000)
 656                                                 args.v3.sInput.ucDispPllConfig |=
 657                                                         DISPPLL_CONFIG_DUAL_LINK;
 658                                 }
 659                                 if (radeon_encoder_get_dp_bridge_encoder_id(encoder) !=
 660                                     ENCODER_OBJECT_ID_NONE)
 661                                         args.v3.sInput.ucExtTransmitterID =
 662                                                 radeon_encoder_get_dp_bridge_encoder_id(encoder);
 663                                 else
 664                                         args.v3.sInput.ucExtTransmitterID = 0;
 665
 666                                 atom_execute_table(rdev->mode_info.atom_context,
 667                                                    index, (uint32_t *)&args);
 668                                 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
 669                                 if (args.v3.sOutput.ucRefDiv) {
 670                                         pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 671                                         pll->flags |= RADEON_PLL_USE_REF_DIV;
 672                                         pll->reference_div = args.v3.sOutput.ucRefDiv;
 673                                 }
 674                                 if (args.v3.sOutput.ucPostDiv) {
 675                                         pll->flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 676                                         pll->flags |= RADEON_PLL_USE_POST_DIV;
 677                                         pll->post_div = args.v3.sOutput.ucPostDiv;
 678                                 }
 679                                 break;
 680                         default:
 681                                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 682                                 return adjusted_clock;
 683                         }
 684                         break;
 685                 default:
 686                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 687                         return adjusted_clock;
 688                 }
 689         }
 690         return adjusted_clock;
 691 }
 692
 693 union set_pixel_clock {
 694         SET_PIXEL_CLOCK_PS_ALLOCATION base;
 695         PIXEL_CLOCK_PARAMETERS v1;
 696         PIXEL_CLOCK_PARAMETERS_V2 v2;
 697         PIXEL_CLOCK_PARAMETERS_V3 v3;
 698         PIXEL_CLOCK_PARAMETERS_V5 v5;
 699         PIXEL_CLOCK_PARAMETERS_V6 v6;
 700 };
 701
 702 /* on DCE5, make sure the voltage is high enough to support the
 703  * required disp clk.
 704  */
 705 static void atombios_crtc_set_dcpll(struct drm_crtc *crtc,
 706                                     u32 dispclk)
 707 {
 708         struct drm_device *dev = crtc->dev;
 709         struct radeon_device *rdev = dev->dev_private;
 710         u8 frev, crev;
 711         int index;
 712         union set_pixel_clock args;
 713
 714         memset(&args, 0, sizeof(args));
 715
 716         index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 717         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 718                                    &crev))
 719                 return;
 720
 721         switch (frev) {
 722         case 1:
 723                 switch (crev) {
 724                 case 5:
 725                         /* if the default dcpll clock is specified,
 726                          * SetPixelClock provides the dividers
 727                          */
 728                         args.v5.ucCRTC = ATOM_CRTC_INVALID;
 729                         args.v5.usPixelClock = cpu_to_le16(dispclk);
 730                         args.v5.ucPpll = ATOM_DCPLL;
 731                         break;
 732                 case 6:
 733                         /* if the default dcpll clock is specified,
 734                          * SetPixelClock provides the dividers
 735                          */
 736                         args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
 737                         args.v6.ucPpll = ATOM_DCPLL;
 738                         break;
 739                 default:
 740                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 741                         return;
 742                 }
 743                 break;
 744         default:
 745                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 746                 return;
 747         }
 748         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 749 }
 750
 751 static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 752                                       u32 crtc_id,
 753                                       int pll_id,
 754                                       u32 encoder_mode,
 755                                       u32 encoder_id,
 756                                       u32 clock,
 757                                       u32 ref_div,
 758                                       u32 fb_div,
 759                                       u32 frac_fb_div,
 760                                       u32 post_div,
 761                                       int bpc,
 762                                       bool ss_enabled,
 763                                       struct radeon_atom_ss *ss)
 764 {
 765         struct drm_device *dev = crtc->dev;
 766         struct radeon_device *rdev = dev->dev_private;
 767         u8 frev, crev;
 768         int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 769         union set_pixel_clock args;
 770
 771         memset(&args, 0, sizeof(args));
 772
 773         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 774                                    &crev))
 775                 return;
 776
 777         switch (frev) {
 778         case 1:
 779                 switch (crev) {
 780                 case 1:
 781                         if (clock == ATOM_DISABLE)
 782                                 return;
 783                         args.v1.usPixelClock = cpu_to_le16(clock / 10);
 784                         args.v1.usRefDiv = cpu_to_le16(ref_div);
 785                         args.v1.usFbDiv = cpu_to_le16(fb_div);
 786                         args.v1.ucFracFbDiv = frac_fb_div;
 787                         args.v1.ucPostDiv = post_div;
 788                         args.v1.ucPpll = pll_id;
 789                         args.v1.ucCRTC = crtc_id;
 790                         args.v1.ucRefDivSrc = 1;
 791                         break;
 792                 case 2:
 793                         args.v2.usPixelClock = cpu_to_le16(clock / 10);
 794                         args.v2.usRefDiv = cpu_to_le16(ref_div);
 795                         args.v2.usFbDiv = cpu_to_le16(fb_div);
 796                         args.v2.ucFracFbDiv = frac_fb_div;
 797                         args.v2.ucPostDiv = post_div;
 798                         args.v2.ucPpll = pll_id;
 799                         args.v2.ucCRTC = crtc_id;
 800                         args.v2.ucRefDivSrc = 1;
 801                         break;
 802                 case 3:
 803                         args.v3.usPixelClock = cpu_to_le16(clock / 10);
 804                         args.v3.usRefDiv = cpu_to_le16(ref_div);
 805                         args.v3.usFbDiv = cpu_to_le16(fb_div);
 806                         args.v3.ucFracFbDiv = frac_fb_div;
 807                         args.v3.ucPostDiv = post_div;
 808                         args.v3.ucPpll = pll_id;
 809                         args.v3.ucMiscInfo = (pll_id << 2);
 810                         if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 811                                 args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC;
 812                         args.v3.ucTransmitterId = encoder_id;
 813                         args.v3.ucEncoderMode = encoder_mode;
 814                         break;
 815                 case 5:
 816                         args.v5.ucCRTC = crtc_id;
 817                         args.v5.usPixelClock = cpu_to_le16(clock / 10);
 818                         args.v5.ucRefDiv = ref_div;
 819                         args.v5.usFbDiv = cpu_to_le16(fb_div);
 820                         args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 821                         args.v5.ucPostDiv = post_div;
 822                         args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
 823                         if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 824                                 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
 825                         switch (bpc) {
 826                         case 8:
 827                         default:
 828                                 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
 829                                 break;
 830                         case 10:
 831                                 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
 832                                 break;
 833                         }
 834                         args.v5.ucTransmitterID = encoder_id;
 835                         args.v5.ucEncoderMode = encoder_mode;
 836                         args.v5.ucPpll = pll_id;
 837                         break;
 838                 case 6:
 839                         args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10);
 840                         args.v6.ucRefDiv = ref_div;
 841                         args.v6.usFbDiv = cpu_to_le16(fb_div);
 842                         args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 843                         args.v6.ucPostDiv = post_div;
 844                         args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
 845                         if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 846                                 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
 847                         switch (bpc) {
 848                         case 8:
 849                         default:
 850                                 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
 851                                 break;
 852                         case 10:
 853                                 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
 854                                 break;
 855                         case 12:
 856                                 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
 857                                 break;
 858                         case 16:
 859                                 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
 860                                 break;
 861                         }
 862                         args.v6.ucTransmitterID = encoder_id;
 863                         args.v6.ucEncoderMode = encoder_mode;
 864                         args.v6.ucPpll = pll_id;
 865                         break;
 866                 default:
 867                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 868                         return;
 869                 }
 870                 break;
 871         default:
 872                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 873                 return;
 874         }
 875
 876         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 877 }
 878
 879 static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 880 {
 881         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 882         struct drm_device *dev = crtc->dev;
 883         struct radeon_device *rdev = dev->dev_private;
 884         struct drm_encoder *encoder = NULL;
 885         struct radeon_encoder *radeon_encoder = NULL;
 886         u32 pll_clock = mode->clock;
 887         u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
 888         struct radeon_pll *pll;
 889         u32 adjusted_clock;
 890         int encoder_mode = 0;
 891         struct radeon_atom_ss ss;
 892         bool ss_enabled = false;
 893         int bpc = 8;
 894
 895         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
 896                 if (encoder->crtc == crtc) {
 897                         radeon_encoder = to_radeon_encoder(encoder);
 898                         encoder_mode = atombios_get_encoder_mode(encoder);
 899                         break;
 900                 }
 901         }
 902
 903         if (!radeon_encoder)
 904                 return;
 905
 906         switch (radeon_crtc->pll_id) {
 907         case ATOM_PPLL1:
 908                 pll = &rdev->clock.p1pll;
 909                 break;
 910         case ATOM_PPLL2:
 911                 pll = &rdev->clock.p2pll;
 912                 break;
 913         case ATOM_DCPLL:
 914         case ATOM_PPLL_INVALID:
 915         default:
 916                 pll = &rdev->clock.dcpll;
 917                 break;
 918         }
 919
 920         if (radeon_encoder->active_device &
 921             (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) {
 922                 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 923                 struct drm_connector *connector =
 924                         radeon_get_connector_for_encoder(encoder);
 925                 struct radeon_connector *radeon_connector =
 926                         to_radeon_connector(connector);
 927                 struct radeon_connector_atom_dig *dig_connector =
 928                         radeon_connector->con_priv;
 929                 int dp_clock;
 930                 bpc = connector->display_info.bpc;
 931
 932                 switch (encoder_mode) {
 933                 case ATOM_ENCODER_MODE_DP_MST:
 934                 case ATOM_ENCODER_MODE_DP:
 935                         /* DP/eDP */
 936                         dp_clock = dig_connector->dp_clock / 10;
 937                         if (ASIC_IS_DCE4(rdev))
 938                                 ss_enabled =
 939                                         radeon_atombios_get_asic_ss_info(rdev, &ss,
 940                                                                          ASIC_INTERNAL_SS_ON_DP,
 941                                                                          dp_clock);
 942                         else {
 943                                 if (dp_clock == 16200) {
 944                                         ss_enabled =
 945                                                 radeon_atombios_get_ppll_ss_info(rdev, &ss,
 946                                                                                  ATOM_DP_SS_ID2);
 947                                         if (!ss_enabled)
 948                                                 ss_enabled =
 949                                                         radeon_atombios_get_ppll_ss_info(rdev, &ss,
 950                                                                                          ATOM_DP_SS_ID1);
 951                                 } else
 952                                         ss_enabled =
 953                                                 radeon_atombios_get_ppll_ss_info(rdev, &ss,
 954                                                                                  ATOM_DP_SS_ID1);
 955                         }
 956                         break;
 957                 case ATOM_ENCODER_MODE_LVDS:
 958                         if (ASIC_IS_DCE4(rdev))
 959                                 ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
 960                                                                               dig->lcd_ss_id,
 961                                                                               mode->clock / 10);
 962                         else
 963                                 ss_enabled = radeon_atombios_get_ppll_ss_info(rdev, &ss,
 964                                                                               dig->lcd_ss_id);
 965                         break;
 966                 case ATOM_ENCODER_MODE_DVI:
 967                         if (ASIC_IS_DCE4(rdev))
 968                                 ss_enabled =
 969                                         radeon_atombios_get_asic_ss_info(rdev, &ss,
 970                                                                          ASIC_INTERNAL_SS_ON_TMDS,
 971                                                                          mode->clock / 10);
 972                         break;
 973                 case ATOM_ENCODER_MODE_HDMI:
 974                         if (ASIC_IS_DCE4(rdev))
 975                                 ss_enabled =
 976                                         radeon_atombios_get_asic_ss_info(rdev, &ss,
 977                                                                          ASIC_INTERNAL_SS_ON_HDMI,
 978                                                                          mode->clock / 10);
 979                         break;
 980                 default:
 981                         break;
 982                 }
 983         }
 984
 985         /* adjust pixel clock as needed */
 986         adjusted_clock = atombios_adjust_pll(crtc, mode, pll, ss_enabled, &ss);
 987
 988         if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
 989                 /* TV seems to prefer the legacy algo on some boards */
 990                 radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
 991                                           &ref_div, &post_div);
 992         else if (ASIC_IS_AVIVO(rdev))
 993                 radeon_compute_pll_avivo(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
 994                                          &ref_div, &post_div);
 995         else
 996                 radeon_compute_pll_legacy(pll, adjusted_clock, &pll_clock, &fb_div, &frac_fb_div,
 997                                           &ref_div, &post_div);
 998
 999         atombios_crtc_program_ss(crtc, ATOM_DISABLE, radeon_crtc->pll_id, &ss);
1000
1001         atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1002                                   encoder_mode, radeon_encoder->encoder_id, mode->clock,
1003                                   ref_div, fb_div, frac_fb_div, post_div, bpc, ss_enabled, &ss);
1004
1005         if (ss_enabled) {
1006                 /* calculate ss amount and step size */
1007                 if (ASIC_IS_DCE4(rdev)) {
1008                         u32 step_size;
1009                         u32 amount = (((fb_div * 10) + frac_fb_div) * ss.percentage) / 10000;
1010                         ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
1011                         ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
1012                                 ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
1013                         if (ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
1014                                 step_size = (4 * amount * ref_div * (ss.rate * 2048)) /
1015                                         (125 * 25 * pll->reference_freq / 100);
1016                         else
1017                                 step_size = (2 * amount * ref_div * (ss.rate * 2048)) /
1018                                         (125 * 25 * pll->reference_freq / 100);
1019                         ss.step = step_size;
1020                 }
1021
1022                 atombios_crtc_program_ss(crtc, ATOM_ENABLE, radeon_crtc->pll_id, &ss);
1023         }
1024 }
1025
1026 static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
1027                                  struct drm_framebuffer *fb,
1028                                  int x, int y, int atomic)
1029 {
1030         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1031         struct drm_device *dev = crtc->dev;
1032         struct radeon_device *rdev = dev->dev_private;
1033         struct radeon_framebuffer *radeon_fb;
1034         struct drm_framebuffer *target_fb;
1035         struct drm_gem_object *obj;
1036         struct radeon_bo *rbo;
1037         uint64_t fb_location;
1038         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1039         u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
1040         u32 tmp, viewport_w, viewport_h;
1041         int r;
1042
1043         /* no fb bound */
1044         if (!atomic && !crtc->fb) {
1045                 DRM_DEBUG_KMS("No FB bound\n");
1046                 return 0;
1047         }
1048
1049         if (atomic) {
1050                 radeon_fb = to_radeon_framebuffer(fb);
1051                 target_fb = fb;
1052         }
1053         else {
1054                 radeon_fb = to_radeon_framebuffer(crtc->fb);
1055                 target_fb = crtc->fb;
1056         }
1057
1058         /* If atomic, assume fb object is pinned & idle & fenced and
1059          * just update base pointers
1060          */
1061         obj = radeon_fb->obj;
1062         rbo = gem_to_radeon_bo(obj);
1063         r = radeon_bo_reserve(rbo, false);
1064         if (unlikely(r != 0))
1065                 return r;
1066
1067         if (atomic)
1068                 fb_location = radeon_bo_gpu_offset(rbo);
1069         else {
1070                 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1071                 if (unlikely(r != 0)) {
1072                         radeon_bo_unreserve(rbo);
1073                         return -EINVAL;
1074                 }
1075         }
1076
1077         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1078         radeon_bo_unreserve(rbo);
1079
1080         switch (target_fb->bits_per_pixel) {
1081         case 8:
1082                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
1083                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
1084                 break;
1085         case 15:
1086                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1087                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
1088                 break;
1089         case 16:
1090                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1091                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
1092 #ifdef __BIG_ENDIAN
1093                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
1094 #endif
1095                 break;
1096         case 24:
1097         case 32:
1098                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
1099                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
1100 #ifdef __BIG_ENDIAN
1101                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
1102 #endif
1103                 break;
1104         default:
1105                 DRM_ERROR("Unsupported screen depth %d\n",
1106                           target_fb->bits_per_pixel);
1107                 return -EINVAL;
1108         }
1109
1110         if (tiling_flags & RADEON_TILING_MACRO)
1111                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
1112         else if (tiling_flags & RADEON_TILING_MICRO)
1113                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
1114
1115         switch (radeon_crtc->crtc_id) {
1116         case 0:
1117                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1118                 break;
1119         case 1:
1120                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1121                 break;
1122         case 2:
1123                 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1124                 break;
1125         case 3:
1126                 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1127                 break;
1128         case 4:
1129                 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1130                 break;
1131         case 5:
1132                 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1133                 break;
1134         default:
1135                 break;
1136         }
1137
1138         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1139                upper_32_bits(fb_location));
1140         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1141                upper_32_bits(fb_location));
1142         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1143                (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1144         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1145                (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1146         WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1147         WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1148
1149         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1150         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1151         WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
1152         WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1153         WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1154         WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1155
1156         fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
1157         WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1158         WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1159
1160         WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1161                crtc->mode.vdisplay);
1162         x &= ~3;
1163         y &= ~1;
1164         WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
1165                (x << 16) | y);
1166         viewport_w = crtc->mode.hdisplay;
1167         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1168         WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1169                (viewport_w << 16) | viewport_h);
1170
1171         /* pageflip setup */
1172         /* make sure flip is at vb rather than hb */
1173         tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
1174         tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
1175         WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
1176
1177         /* set pageflip to happen anywhere in vblank interval */
1178         WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
1179
1180         if (!atomic && fb && fb != crtc->fb) {
1181                 radeon_fb = to_radeon_framebuffer(fb);
1182                 rbo = gem_to_radeon_bo(radeon_fb->obj);
1183                 r = radeon_bo_reserve(rbo, false);
1184                 if (unlikely(r != 0))
1185                         return r;
1186                 radeon_bo_unpin(rbo);
1187                 radeon_bo_unreserve(rbo);
1188         }
1189
1190         /* Bytes per pixel may have changed */
1191         radeon_bandwidth_update(rdev);
1192
1193         return 0;
1194 }
1195
1196 static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
1197                                   struct drm_framebuffer *fb,
1198                                   int x, int y, int atomic)
1199 {
1200         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1201         struct drm_device *dev = crtc->dev;
1202         struct radeon_device *rdev = dev->dev_private;
1203         struct radeon_framebuffer *radeon_fb;
1204         struct drm_gem_object *obj;
1205         struct radeon_bo *rbo;
1206         struct drm_framebuffer *target_fb;
1207         uint64_t fb_location;
1208         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1209         u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE;
1210         u32 tmp, viewport_w, viewport_h;
1211         int r;
1212
1213         /* no fb bound */
1214         if (!atomic && !crtc->fb) {
1215                 DRM_DEBUG_KMS("No FB bound\n");
1216                 return 0;
1217         }
1218
1219         if (atomic) {
1220                 radeon_fb = to_radeon_framebuffer(fb);
1221                 target_fb = fb;
1222         }
1223         else {
1224                 radeon_fb = to_radeon_framebuffer(crtc->fb);
1225                 target_fb = crtc->fb;
1226         }
1227
1228         obj = radeon_fb->obj;
1229         rbo = gem_to_radeon_bo(obj);
1230         r = radeon_bo_reserve(rbo, false);
1231         if (unlikely(r != 0))
1232                 return r;
1233
1234         /* If atomic, assume fb object is pinned & idle & fenced and
1235          * just update base pointers
1236          */
1237         if (atomic)
1238                 fb_location = radeon_bo_gpu_offset(rbo);
1239         else {
1240                 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1241                 if (unlikely(r != 0)) {
1242                         radeon_bo_unreserve(rbo);
1243                         return -EINVAL;
1244                 }
1245         }
1246         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1247         radeon_bo_unreserve(rbo);
1248
1249         switch (target_fb->bits_per_pixel) {
1250         case 8:
1251                 fb_format =
1252                     AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
1253                     AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
1254                 break;
1255         case 15:
1256                 fb_format =
1257                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1258                     AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
1259                 break;
1260         case 16:
1261                 fb_format =
1262                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1263                     AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
1264 #ifdef __BIG_ENDIAN
1265                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
1266 #endif
1267                 break;
1268         case 24:
1269         case 32:
1270                 fb_format =
1271                     AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
1272                     AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
1273 #ifdef __BIG_ENDIAN
1274                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
1275 #endif
1276                 break;
1277         default:
1278                 DRM_ERROR("Unsupported screen depth %d\n",
1279                           target_fb->bits_per_pixel);
1280                 return -EINVAL;
1281         }
1282
1283         if (rdev->family >= CHIP_R600) {
1284                 if (tiling_flags & RADEON_TILING_MACRO)
1285                         fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1;
1286                 else if (tiling_flags & RADEON_TILING_MICRO)
1287                         fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1;
1288         } else {
1289                 if (tiling_flags & RADEON_TILING_MACRO)
1290                         fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
1291
1292                 if (tiling_flags & RADEON_TILING_MICRO)
1293                         fb_format |= AVIVO_D1GRPH_TILED;
1294         }
1295
1296         if (radeon_crtc->crtc_id == 0)
1297                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1298         else
1299                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1300
1301         if (rdev->family >= CHIP_RV770) {
1302                 if (radeon_crtc->crtc_id) {
1303                         WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1304                         WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1305                 } else {
1306                         WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1307                         WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1308                 }
1309         }
1310         WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1311                (u32) fb_location);
1312         WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
1313                radeon_crtc->crtc_offset, (u32) fb_location);
1314         WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1315         if (rdev->family >= CHIP_R600)
1316                 WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1317
1318         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1319         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1320         WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
1321         WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1322         WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1323         WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1324
1325         fb_pitch_pixels = target_fb->pitch / (target_fb->bits_per_pixel / 8);
1326         WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1327         WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1328
1329         WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1330                crtc->mode.vdisplay);
1331         x &= ~3;
1332         y &= ~1;
1333         WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
1334                (x << 16) | y);
1335         viewport_w = crtc->mode.hdisplay;
1336         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1337         WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1338                (viewport_w << 16) | viewport_h);
1339
1340         /* pageflip setup */
1341         /* make sure flip is at vb rather than hb */
1342         tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
1343         tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
1344         WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
1345
1346         /* set pageflip to happen anywhere in vblank interval */
1347         WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
1348
1349         if (!atomic && fb && fb != crtc->fb) {
1350                 radeon_fb = to_radeon_framebuffer(fb);
1351                 rbo = gem_to_radeon_bo(radeon_fb->obj);
1352                 r = radeon_bo_reserve(rbo, false);
1353                 if (unlikely(r != 0))
1354                         return r;
1355                 radeon_bo_unpin(rbo);
1356                 radeon_bo_unreserve(rbo);
1357         }
1358
1359         /* Bytes per pixel may have changed */
1360         radeon_bandwidth_update(rdev);
1361
1362         return 0;
1363 }
1364
1365 int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
1366                            struct drm_framebuffer *old_fb)
1367 {
1368         struct drm_device *dev = crtc->dev;
1369         struct radeon_device *rdev = dev->dev_private;
1370
1371         if (ASIC_IS_DCE4(rdev))
1372                 return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0);
1373         else if (ASIC_IS_AVIVO(rdev))
1374                 return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
1375         else
1376                 return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
1377 }
1378
1379 int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
1380                                   struct drm_framebuffer *fb,
1381                                   int x, int y, enum mode_set_atomic state)
1382 {
1383        struct drm_device *dev = crtc->dev;
1384        struct radeon_device *rdev = dev->dev_private;
1385
1386         if (ASIC_IS_DCE4(rdev))
1387                 return dce4_crtc_do_set_base(crtc, fb, x, y, 1);
1388         else if (ASIC_IS_AVIVO(rdev))
1389                 return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
1390         else
1391                 return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
1392 }
1393
1394 /* properly set additional regs when using atombios */
1395 static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
1396 {
1397         struct drm_device *dev = crtc->dev;
1398         struct radeon_device *rdev = dev->dev_private;
1399         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1400         u32 disp_merge_cntl;
1401
1402         switch (radeon_crtc->crtc_id) {
1403         case 0:
1404                 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
1405                 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
1406                 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
1407                 break;
1408         case 1:
1409                 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
1410                 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
1411                 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
1412                 WREG32(RADEON_FP_H2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
1413                 WREG32(RADEON_FP_V2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
1414                 break;
1415         }
1416 }
1417
1418 static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1419 {
1420         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1421         struct drm_device *dev = crtc->dev;
1422         struct radeon_device *rdev = dev->dev_private;
1423         struct drm_encoder *test_encoder;
1424         struct drm_crtc *test_crtc;
1425         uint32_t pll_in_use = 0;
1426
1427         if (ASIC_IS_DCE4(rdev)) {
1428                 list_for_each_entry(test_encoder, &dev->mode_config.encoder_list, head) {
1429                         if (test_encoder->crtc && (test_encoder->crtc == crtc)) {
1430                                 /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
1431                                  * depending on the asic:
1432                                  * DCE4: PPLL or ext clock
1433                                  * DCE5: DCPLL or ext clock
1434                                  *
1435                                  * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip
1436                                  * PPLL/DCPLL programming and only program the DP DTO for the
1437                                  * crtc virtual pixel clock.
1438                                  */
1439                                 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_encoder))) {
1440                                         if (ASIC_IS_DCE5(rdev) || rdev->clock.dp_extclk)
1441                                                 return ATOM_PPLL_INVALID;
1442                                 }
1443                         }
1444                 }
1445
1446                 /* otherwise, pick one of the plls */
1447                 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1448                         struct radeon_crtc *radeon_test_crtc;
1449
1450                         if (crtc == test_crtc)
1451                                 continue;
1452
1453                         radeon_test_crtc = to_radeon_crtc(test_crtc);
1454                         if ((radeon_test_crtc->pll_id >= ATOM_PPLL1) &&
1455                             (radeon_test_crtc->pll_id <= ATOM_PPLL2))
1456                                 pll_in_use |= (1 << radeon_test_crtc->pll_id);
1457                 }
1458                 if (!(pll_in_use & 1))
1459                         return ATOM_PPLL1;
1460                 return ATOM_PPLL2;
1461         } else
1462                 return radeon_crtc->crtc_id;
1463
1464 }
1465
1466 int atombios_crtc_mode_set(struct drm_crtc *crtc,
1467                            struct drm_display_mode *mode,
1468                            struct drm_display_mode *adjusted_mode,
1469                            int x, int y, struct drm_framebuffer *old_fb)
1470 {
1471         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1472         struct drm_device *dev = crtc->dev;
1473         struct radeon_device *rdev = dev->dev_private;
1474         struct drm_encoder *encoder;
1475         bool is_tvcv = false;
1476
1477         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1478                 /* find tv std */
1479                 if (encoder->crtc == crtc) {
1480                         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
1481                         if (radeon_encoder->active_device &
1482                             (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
1483                                 is_tvcv = true;
1484                 }
1485         }
1486
1487         /* always set DCPLL */
1488         if (ASIC_IS_DCE4(rdev)) {
1489                 struct radeon_atom_ss ss;
1490                 bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
1491                                                                    ASIC_INTERNAL_SS_ON_DCPLL,
1492                                                                    rdev->clock.default_dispclk);
1493                 if (ss_enabled)
1494                         atombios_crtc_program_ss(crtc, ATOM_DISABLE, ATOM_DCPLL, &ss);
1495                 /* XXX: DCE5, make sure voltage, dispclk is high enough */
1496                 atombios_crtc_set_dcpll(crtc, rdev->clock.default_dispclk);
1497                 if (ss_enabled)
1498                         atombios_crtc_program_ss(crtc, ATOM_ENABLE, ATOM_DCPLL, &ss);
1499         }
1500         atombios_crtc_set_pll(crtc, adjusted_mode);
1501
1502         if (ASIC_IS_DCE4(rdev))
1503                 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1504         else if (ASIC_IS_AVIVO(rdev)) {
1505                 if (is_tvcv)
1506                         atombios_crtc_set_timing(crtc, adjusted_mode);
1507                 else
1508                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1509         } else {
1510                 atombios_crtc_set_timing(crtc, adjusted_mode);
1511                 if (radeon_crtc->crtc_id == 0)
1512                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1513                 radeon_legacy_atom_fixup(crtc);
1514         }
1515         atombios_crtc_set_base(crtc, x, y, old_fb);
1516         atombios_overscan_setup(crtc, mode, adjusted_mode);
1517         atombios_scaler_setup(crtc);
1518         return 0;
1519 }
1520
1521 static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
1522                                      struct drm_display_mode *mode,
1523                                      struct drm_display_mode *adjusted_mode)
1524 {
1525         struct drm_device *dev = crtc->dev;
1526         struct radeon_device *rdev = dev->dev_private;
1527
1528         /* adjust pm to upcoming mode change */
1529         radeon_pm_compute_clocks(rdev);
1530
1531         if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
1532                 return false;
1533         return true;
1534 }
1535
1536 static void atombios_crtc_prepare(struct drm_crtc *crtc)
1537 {
1538         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1539
1540         /* pick pll */
1541         radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
1542
1543         atombios_lock_crtc(crtc, ATOM_ENABLE);
1544         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1545 }
1546
1547 static void atombios_crtc_commit(struct drm_crtc *crtc)
1548 {
1549         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
1550         atombios_lock_crtc(crtc, ATOM_DISABLE);
1551 }
1552
1553 static void atombios_crtc_disable(struct drm_crtc *crtc)
1554 {
1555         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1556         struct radeon_atom_ss ss;
1557
1558         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1559
1560         switch (radeon_crtc->pll_id) {
1561         case ATOM_PPLL1:
1562         case ATOM_PPLL2:
1563                 /* disable the ppll */
1564                 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1565                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
1566                 break;
1567         default:
1568                 break;
1569         }
1570         radeon_crtc->pll_id = -1;
1571 }
1572
1573 static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
1574         .dpms = atombios_crtc_dpms,
1575         .mode_fixup = atombios_crtc_mode_fixup,
1576         .mode_set = atombios_crtc_mode_set,
1577         .mode_set_base = atombios_crtc_set_base,
1578         .mode_set_base_atomic = atombios_crtc_set_base_atomic,
1579         .prepare = atombios_crtc_prepare,
1580         .commit = atombios_crtc_commit,
1581         .load_lut = radeon_crtc_load_lut,
1582         .disable = atombios_crtc_disable,
1583 };
1584
1585 void radeon_atombios_init_crtc(struct drm_device *dev,
1586                                struct radeon_crtc *radeon_crtc)
1587 {
1588         struct radeon_device *rdev = dev->dev_private;
1589
1590         if (ASIC_IS_DCE4(rdev)) {
1591                 switch (radeon_crtc->crtc_id) {
1592                 case 0:
1593                 default:
1594                         radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
1595                         break;
1596                 case 1:
1597                         radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
1598                         break;
1599                 case 2:
1600                         radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
1601                         break;
1602                 case 3:
1603                         radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
1604                         break;
1605                 case 4:
1606                         radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
1607                         break;
1608                 case 5:
1609                         radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
1610                         break;
1611                 }
1612         } else {
1613                 if (radeon_crtc->crtc_id == 1)
1614                         radeon_crtc->crtc_offset =
1615                                 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
1616                 else
1617                         radeon_crtc->crtc_offset = 0;
1618         }
1619         radeon_crtc->pll_id = -1;
1620         drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
1621 }