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