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         struct radeon_encoder *radeon_encoder =
  87                 to_radeon_encoder(radeon_crtc->encoder);
  88         /* fixme - fill in enc_priv for atom dac */
  89         enum radeon_tv_std tv_std = TV_STD_NTSC;
  90         bool is_tv = false, is_cv = false;
  91
  92         if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id)
  93                 return;
  94
  95         if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) {
  96                 struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv;
  97                 tv_std = tv_dac->tv_std;
  98                 is_tv = true;
  99         }
 100
 101         memset(&args, 0, sizeof(args));
 102
 103         args.ucScaler = radeon_crtc->crtc_id;
 104
 105         if (is_tv) {
 106                 switch (tv_std) {
 107                 case TV_STD_NTSC:
 108                 default:
 109                         args.ucTVStandard = ATOM_TV_NTSC;
 110                         break;
 111                 case TV_STD_PAL:
 112                         args.ucTVStandard = ATOM_TV_PAL;
 113                         break;
 114                 case TV_STD_PAL_M:
 115                         args.ucTVStandard = ATOM_TV_PALM;
 116                         break;
 117                 case TV_STD_PAL_60:
 118                         args.ucTVStandard = ATOM_TV_PAL60;
 119                         break;
 120                 case TV_STD_NTSC_J:
 121                         args.ucTVStandard = ATOM_TV_NTSCJ;
 122                         break;
 123                 case TV_STD_SCART_PAL:
 124                         args.ucTVStandard = ATOM_TV_PAL; /* ??? */
 125                         break;
 126                 case TV_STD_SECAM:
 127                         args.ucTVStandard = ATOM_TV_SECAM;
 128                         break;
 129                 case TV_STD_PAL_CN:
 130                         args.ucTVStandard = ATOM_TV_PALCN;
 131                         break;
 132                 }
 133                 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
 134         } else if (is_cv) {
 135                 args.ucTVStandard = ATOM_TV_CV;
 136                 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE;
 137         } else {
 138                 switch (radeon_crtc->rmx_type) {
 139                 case RMX_FULL:
 140                         args.ucEnable = ATOM_SCALER_EXPANSION;
 141                         break;
 142                 case RMX_CENTER:
 143                         args.ucEnable = ATOM_SCALER_CENTER;
 144                         break;
 145                 case RMX_ASPECT:
 146                         args.ucEnable = ATOM_SCALER_EXPANSION;
 147                         break;
 148                 default:
 149                         if (ASIC_IS_AVIVO(rdev))
 150                                 args.ucEnable = ATOM_SCALER_DISABLE;
 151                         else
 152                                 args.ucEnable = ATOM_SCALER_CENTER;
 153                         break;
 154                 }
 155         }
 156         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 157         if ((is_tv || is_cv)
 158             && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) {
 159                 atom_rv515_force_tv_scaler(rdev, radeon_crtc);
 160         }
 161 }
 162
 163 static void atombios_lock_crtc(struct drm_crtc *crtc, int lock)
 164 {
 165         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 166         struct drm_device *dev = crtc->dev;
 167         struct radeon_device *rdev = dev->dev_private;
 168         int index =
 169             GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters);
 170         ENABLE_CRTC_PS_ALLOCATION args;
 171
 172         memset(&args, 0, sizeof(args));
 173
 174         args.ucCRTC = radeon_crtc->crtc_id;
 175         args.ucEnable = lock;
 176
 177         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 178 }
 179
 180 static void atombios_enable_crtc(struct drm_crtc *crtc, int state)
 181 {
 182         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 183         struct drm_device *dev = crtc->dev;
 184         struct radeon_device *rdev = dev->dev_private;
 185         int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC);
 186         ENABLE_CRTC_PS_ALLOCATION args;
 187
 188         memset(&args, 0, sizeof(args));
 189
 190         args.ucCRTC = radeon_crtc->crtc_id;
 191         args.ucEnable = state;
 192
 193         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 194 }
 195
 196 static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state)
 197 {
 198         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 199         struct drm_device *dev = crtc->dev;
 200         struct radeon_device *rdev = dev->dev_private;
 201         int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq);
 202         ENABLE_CRTC_PS_ALLOCATION args;
 203
 204         memset(&args, 0, sizeof(args));
 205
 206         args.ucCRTC = radeon_crtc->crtc_id;
 207         args.ucEnable = state;
 208
 209         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 210 }
 211
 212 static const u32 vga_control_regs[6] =
 213 {
 214         AVIVO_D1VGA_CONTROL,
 215         AVIVO_D2VGA_CONTROL,
 216         EVERGREEN_D3VGA_CONTROL,
 217         EVERGREEN_D4VGA_CONTROL,
 218         EVERGREEN_D5VGA_CONTROL,
 219         EVERGREEN_D6VGA_CONTROL,
 220 };
 221
 222 static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
 223 {
 224         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 225         struct drm_device *dev = crtc->dev;
 226         struct radeon_device *rdev = dev->dev_private;
 227         int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
 228         BLANK_CRTC_PS_ALLOCATION args;
 229         u32 vga_control = 0;
 230
 231         memset(&args, 0, sizeof(args));
 232
 233         if (ASIC_IS_DCE8(rdev)) {
 234                 vga_control = RREG32(vga_control_regs[radeon_crtc->crtc_id]);
 235                 WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control | 1);
 236         }
 237
 238         args.ucCRTC = radeon_crtc->crtc_id;
 239         args.ucBlanking = state;
 240
 241         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 242
 243         if (ASIC_IS_DCE8(rdev)) {
 244                 WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control);
 245         }
 246 }
 247
 248 static void atombios_powergate_crtc(struct drm_crtc *crtc, int state)
 249 {
 250         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 251         struct drm_device *dev = crtc->dev;
 252         struct radeon_device *rdev = dev->dev_private;
 253         int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating);
 254         ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args;
 255
 256         memset(&args, 0, sizeof(args));
 257
 258         args.ucDispPipeId = radeon_crtc->crtc_id;
 259         args.ucEnable = state;
 260
 261         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 262 }
 263
 264 void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 265 {
 266         struct drm_device *dev = crtc->dev;
 267         struct radeon_device *rdev = dev->dev_private;
 268         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 269
 270         switch (mode) {
 271         case DRM_MODE_DPMS_ON:
 272                 radeon_crtc->enabled = true;
 273                 atombios_enable_crtc(crtc, ATOM_ENABLE);
 274                 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
 275                         atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
 276                 atombios_blank_crtc(crtc, ATOM_DISABLE);
 277                 drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 278                 radeon_crtc_load_lut(crtc);
 279                 break;
 280         case DRM_MODE_DPMS_STANDBY:
 281         case DRM_MODE_DPMS_SUSPEND:
 282         case DRM_MODE_DPMS_OFF:
 283                 drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
 284                 if (radeon_crtc->enabled)
 285                         atombios_blank_crtc(crtc, ATOM_ENABLE);
 286                 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
 287                         atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
 288                 atombios_enable_crtc(crtc, ATOM_DISABLE);
 289                 radeon_crtc->enabled = false;
 290                 break;
 291         }
 292         /* adjust pm to dpms */
 293         radeon_pm_compute_clocks(rdev);
 294 }
 295
 296 static void
 297 atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
 298                              struct drm_display_mode *mode)
 299 {
 300         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 301         struct drm_device *dev = crtc->dev;
 302         struct radeon_device *rdev = dev->dev_private;
 303         SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
 304         int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
 305         u16 misc = 0;
 306
 307         memset(&args, 0, sizeof(args));
 308         args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2));
 309         args.usH_Blanking_Time =
 310                 cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2));
 311         args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2));
 312         args.usV_Blanking_Time =
 313                 cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2));
 314         args.usH_SyncOffset =
 315                 cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border);
 316         args.usH_SyncWidth =
 317                 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
 318         args.usV_SyncOffset =
 319                 cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border);
 320         args.usV_SyncWidth =
 321                 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
 322         args.ucH_Border = radeon_crtc->h_border;
 323         args.ucV_Border = radeon_crtc->v_border;
 324
 325         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
 326                 misc |= ATOM_VSYNC_POLARITY;
 327         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
 328                 misc |= ATOM_HSYNC_POLARITY;
 329         if (mode->flags & DRM_MODE_FLAG_CSYNC)
 330                 misc |= ATOM_COMPOSITESYNC;
 331         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 332                 misc |= ATOM_INTERLACE;
 333         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 334                 misc |= ATOM_DOUBLE_CLOCK_MODE;
 335
 336         args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
 337         args.ucCRTC = radeon_crtc->crtc_id;
 338
 339         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 340 }
 341
 342 static void atombios_crtc_set_timing(struct drm_crtc *crtc,
 343                                      struct drm_display_mode *mode)
 344 {
 345         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 346         struct drm_device *dev = crtc->dev;
 347         struct radeon_device *rdev = dev->dev_private;
 348         SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
 349         int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
 350         u16 misc = 0;
 351
 352         memset(&args, 0, sizeof(args));
 353         args.usH_Total = cpu_to_le16(mode->crtc_htotal);
 354         args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay);
 355         args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start);
 356         args.usH_SyncWidth =
 357                 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
 358         args.usV_Total = cpu_to_le16(mode->crtc_vtotal);
 359         args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay);
 360         args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start);
 361         args.usV_SyncWidth =
 362                 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
 363
 364         args.ucOverscanRight = radeon_crtc->h_border;
 365         args.ucOverscanLeft = radeon_crtc->h_border;
 366         args.ucOverscanBottom = radeon_crtc->v_border;
 367         args.ucOverscanTop = radeon_crtc->v_border;
 368
 369         if (mode->flags & DRM_MODE_FLAG_NVSYNC)
 370                 misc |= ATOM_VSYNC_POLARITY;
 371         if (mode->flags & DRM_MODE_FLAG_NHSYNC)
 372                 misc |= ATOM_HSYNC_POLARITY;
 373         if (mode->flags & DRM_MODE_FLAG_CSYNC)
 374                 misc |= ATOM_COMPOSITESYNC;
 375         if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 376                 misc |= ATOM_INTERLACE;
 377         if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 378                 misc |= ATOM_DOUBLE_CLOCK_MODE;
 379
 380         args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
 381         args.ucCRTC = radeon_crtc->crtc_id;
 382
 383         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 384 }
 385
 386 static void atombios_disable_ss(struct radeon_device *rdev, int pll_id)
 387 {
 388         u32 ss_cntl;
 389
 390         if (ASIC_IS_DCE4(rdev)) {
 391                 switch (pll_id) {
 392                 case ATOM_PPLL1:
 393                         ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL);
 394                         ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
 395                         WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl);
 396                         break;
 397                 case ATOM_PPLL2:
 398                         ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL);
 399                         ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
 400                         WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl);
 401                         break;
 402                 case ATOM_DCPLL:
 403                 case ATOM_PPLL_INVALID:
 404                         return;
 405                 }
 406         } else if (ASIC_IS_AVIVO(rdev)) {
 407                 switch (pll_id) {
 408                 case ATOM_PPLL1:
 409                         ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
 410                         ss_cntl &= ~1;
 411                         WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl);
 412                         break;
 413                 case ATOM_PPLL2:
 414                         ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
 415                         ss_cntl &= ~1;
 416                         WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl);
 417                         break;
 418                 case ATOM_DCPLL:
 419                 case ATOM_PPLL_INVALID:
 420                         return;
 421                 }
 422         }
 423 }
 424
 425
 426 union atom_enable_ss {
 427         ENABLE_LVDS_SS_PARAMETERS lvds_ss;
 428         ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2;
 429         ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
 430         ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2;
 431         ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3;
 432 };
 433
 434 static void atombios_crtc_program_ss(struct radeon_device *rdev,
 435                                      int enable,
 436                                      int pll_id,
 437                                      int crtc_id,
 438                                      struct radeon_atom_ss *ss)
 439 {
 440         unsigned i;
 441         int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
 442         union atom_enable_ss args;
 443
 444         if (enable) {
 445                 /* Don't mess with SS if percentage is 0 or external ss.
 446                  * SS is already disabled previously, and disabling it
 447                  * again can cause display problems if the pll is already
 448                  * programmed.
 449                  */
 450                 if (ss->percentage == 0)
 451                         return;
 452                 if (ss->type & ATOM_EXTERNAL_SS_MASK)
 453                         return;
 454         } else {
 455                 for (i = 0; i < rdev->num_crtc; i++) {
 456                         if (rdev->mode_info.crtcs[i] &&
 457                             rdev->mode_info.crtcs[i]->enabled &&
 458                             i != crtc_id &&
 459                             pll_id == rdev->mode_info.crtcs[i]->pll_id) {
 460                                 /* one other crtc is using this pll don't turn
 461                                  * off spread spectrum as it might turn off
 462                                  * display on active crtc
 463                                  */
 464                                 return;
 465                         }
 466                 }
 467         }
 468
 469         memset(&args, 0, sizeof(args));
 470
 471         if (ASIC_IS_DCE5(rdev)) {
 472                 args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0);
 473                 args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 474                 switch (pll_id) {
 475                 case ATOM_PPLL1:
 476                         args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
 477                         break;
 478                 case ATOM_PPLL2:
 479                         args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
 480                         break;
 481                 case ATOM_DCPLL:
 482                         args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
 483                         break;
 484                 case ATOM_PPLL_INVALID:
 485                         return;
 486                 }
 487                 args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
 488                 args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 489                 args.v3.ucEnable = enable;
 490         } else if (ASIC_IS_DCE4(rdev)) {
 491                 args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 492                 args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 493                 switch (pll_id) {
 494                 case ATOM_PPLL1:
 495                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
 496                         break;
 497                 case ATOM_PPLL2:
 498                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL;
 499                         break;
 500                 case ATOM_DCPLL:
 501                         args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL;
 502                         break;
 503                 case ATOM_PPLL_INVALID:
 504                         return;
 505                 }
 506                 args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
 507                 args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 508                 args.v2.ucEnable = enable;
 509         } else if (ASIC_IS_DCE3(rdev)) {
 510                 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 511                 args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 512                 args.v1.ucSpreadSpectrumStep = ss->step;
 513                 args.v1.ucSpreadSpectrumDelay = ss->delay;
 514                 args.v1.ucSpreadSpectrumRange = ss->range;
 515                 args.v1.ucPpll = pll_id;
 516                 args.v1.ucEnable = enable;
 517         } else if (ASIC_IS_AVIVO(rdev)) {
 518                 if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
 519                     (ss->type & ATOM_EXTERNAL_SS_MASK)) {
 520                         atombios_disable_ss(rdev, pll_id);
 521                         return;
 522                 }
 523                 args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 524                 args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 525                 args.lvds_ss_2.ucSpreadSpectrumStep = ss->step;
 526                 args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay;
 527                 args.lvds_ss_2.ucSpreadSpectrumRange = ss->range;
 528                 args.lvds_ss_2.ucEnable = enable;
 529         } else {
 530                 if (enable == ATOM_DISABLE) {
 531                         atombios_disable_ss(rdev, pll_id);
 532                         return;
 533                 }
 534                 args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 535                 args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 536                 args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2;
 537                 args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4;
 538                 args.lvds_ss.ucEnable = enable;
 539         }
 540         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 541 }
 542
 543 union adjust_pixel_clock {
 544         ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
 545         ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
 546 };
 547
 548 static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 549                                struct drm_display_mode *mode)
 550 {
 551         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 552         struct drm_device *dev = crtc->dev;
 553         struct radeon_device *rdev = dev->dev_private;
 554         struct drm_encoder *encoder = radeon_crtc->encoder;
 555         struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 556         struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 557         u32 adjusted_clock = mode->clock;
 558         int encoder_mode = atombios_get_encoder_mode(encoder);
 559         u32 dp_clock = mode->clock;
 560         u32 clock = mode->clock;
 561         int bpc = radeon_crtc->bpc;
 562         bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock);
 563
 564         /* reset the pll flags */
 565         radeon_crtc->pll_flags = 0;
 566
 567         if (ASIC_IS_AVIVO(rdev)) {
 568                 if ((rdev->family == CHIP_RS600) ||
 569                     (rdev->family == CHIP_RS690) ||
 570                     (rdev->family == CHIP_RS740))
 571                         radeon_crtc->pll_flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
 572                                 RADEON_PLL_PREFER_CLOSEST_LOWER);
 573
 574                 if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)        /* range limits??? */
 575                         radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
 576                 else
 577                         radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 578
 579                 if (rdev->family < CHIP_RV770)
 580                         radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
 581                 /* use frac fb div on APUs */
 582                 if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev))
 583                         radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 584                 /* use frac fb div on RS780/RS880 */
 585                 if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880))
 586                         radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 587                 if (ASIC_IS_DCE32(rdev) && mode->clock > 165000)
 588                         radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 589         } else {
 590                 radeon_crtc->pll_flags |= RADEON_PLL_LEGACY;
 591
 592                 if (mode->clock > 200000)       /* range limits??? */
 593                         radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
 594                 else
 595                         radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 596         }
 597
 598         if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
 599             (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
 600                 if (connector) {
 601                         struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 602                         struct radeon_connector_atom_dig *dig_connector =
 603                                 radeon_connector->con_priv;
 604
 605                         dp_clock = dig_connector->dp_clock;
 606                 }
 607         }
 608
 609         /* use recommended ref_div for ss */
 610         if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 611                 if (radeon_crtc->ss_enabled) {
 612                         if (radeon_crtc->ss.refdiv) {
 613                                 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
 614                                 radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv;
 615                                 if (ASIC_IS_AVIVO(rdev))
 616                                         radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 617                         }
 618                 }
 619         }
 620
 621         if (ASIC_IS_AVIVO(rdev)) {
 622                 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
 623                 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
 624                         adjusted_clock = mode->clock * 2;
 625                 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
 626                         radeon_crtc->pll_flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
 627                 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
 628                         radeon_crtc->pll_flags |= RADEON_PLL_IS_LCD;
 629         } else {
 630                 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
 631                         radeon_crtc->pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
 632                 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
 633                         radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
 634         }
 635
 636         /* adjust pll for deep color modes */
 637         if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
 638                 switch (bpc) {
 639                 case 8:
 640                 default:
 641                         break;
 642                 case 10:
 643                         clock = (clock * 5) / 4;
 644                         break;
 645                 case 12:
 646                         clock = (clock * 3) / 2;
 647                         break;
 648                 case 16:
 649                         clock = clock * 2;
 650                         break;
 651                 }
 652         }
 653
 654         /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
 655          * accordingly based on the encoder/transmitter to work around
 656          * special hw requirements.
 657          */
 658         if (ASIC_IS_DCE3(rdev)) {
 659                 union adjust_pixel_clock args;
 660                 u8 frev, crev;
 661                 int index;
 662
 663                 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
 664                 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 665                                            &crev))
 666                         return adjusted_clock;
 667
 668                 memset(&args, 0, sizeof(args));
 669
 670                 switch (frev) {
 671                 case 1:
 672                         switch (crev) {
 673                         case 1:
 674                         case 2:
 675                                 args.v1.usPixelClock = cpu_to_le16(clock / 10);
 676                                 args.v1.ucTransmitterID = radeon_encoder->encoder_id;
 677                                 args.v1.ucEncodeMode = encoder_mode;
 678                                 if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage)
 679                                         args.v1.ucConfig |=
 680                                                 ADJUST_DISPLAY_CONFIG_SS_ENABLE;
 681
 682                                 atom_execute_table(rdev->mode_info.atom_context,
 683                                                    index, (uint32_t *)&args);
 684                                 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
 685                                 break;
 686                         case 3:
 687                                 args.v3.sInput.usPixelClock = cpu_to_le16(clock / 10);
 688                                 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
 689                                 args.v3.sInput.ucEncodeMode = encoder_mode;
 690                                 args.v3.sInput.ucDispPllConfig = 0;
 691                                 if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage)
 692                                         args.v3.sInput.ucDispPllConfig |=
 693                                                 DISPPLL_CONFIG_SS_ENABLE;
 694                                 if (ENCODER_MODE_IS_DP(encoder_mode)) {
 695                                         args.v3.sInput.ucDispPllConfig |=
 696                                                 DISPPLL_CONFIG_COHERENT_MODE;
 697                                         /* 16200 or 27000 */
 698                                         args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
 699                                 } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
 700                                         struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 701                                         if (dig->coherent_mode)
 702                                                 args.v3.sInput.ucDispPllConfig |=
 703                                                         DISPPLL_CONFIG_COHERENT_MODE;
 704                                         if (is_duallink)
 705                                                 args.v3.sInput.ucDispPllConfig |=
 706                                                         DISPPLL_CONFIG_DUAL_LINK;
 707                                 }
 708                                 if (radeon_encoder_get_dp_bridge_encoder_id(encoder) !=
 709                                     ENCODER_OBJECT_ID_NONE)
 710                                         args.v3.sInput.ucExtTransmitterID =
 711                                                 radeon_encoder_get_dp_bridge_encoder_id(encoder);
 712                                 else
 713                                         args.v3.sInput.ucExtTransmitterID = 0;
 714
 715                                 atom_execute_table(rdev->mode_info.atom_context,
 716                                                    index, (uint32_t *)&args);
 717                                 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
 718                                 if (args.v3.sOutput.ucRefDiv) {
 719                                         radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 720                                         radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
 721                                         radeon_crtc->pll_reference_div = args.v3.sOutput.ucRefDiv;
 722                                 }
 723                                 if (args.v3.sOutput.ucPostDiv) {
 724                                         radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 725                                         radeon_crtc->pll_flags |= RADEON_PLL_USE_POST_DIV;
 726                                         radeon_crtc->pll_post_div = args.v3.sOutput.ucPostDiv;
 727                                 }
 728                                 break;
 729                         default:
 730                                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 731                                 return adjusted_clock;
 732                         }
 733                         break;
 734                 default:
 735                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 736                         return adjusted_clock;
 737                 }
 738         }
 739         return adjusted_clock;
 740 }
 741
 742 union set_pixel_clock {
 743         SET_PIXEL_CLOCK_PS_ALLOCATION base;
 744         PIXEL_CLOCK_PARAMETERS v1;
 745         PIXEL_CLOCK_PARAMETERS_V2 v2;
 746         PIXEL_CLOCK_PARAMETERS_V3 v3;
 747         PIXEL_CLOCK_PARAMETERS_V5 v5;
 748         PIXEL_CLOCK_PARAMETERS_V6 v6;
 749 };
 750
 751 /* on DCE5, make sure the voltage is high enough to support the
 752  * required disp clk.
 753  */
 754 static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev,
 755                                     u32 dispclk)
 756 {
 757         u8 frev, crev;
 758         int index;
 759         union set_pixel_clock args;
 760
 761         memset(&args, 0, sizeof(args));
 762
 763         index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 764         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 765                                    &crev))
 766                 return;
 767
 768         switch (frev) {
 769         case 1:
 770                 switch (crev) {
 771                 case 5:
 772                         /* if the default dcpll clock is specified,
 773                          * SetPixelClock provides the dividers
 774                          */
 775                         args.v5.ucCRTC = ATOM_CRTC_INVALID;
 776                         args.v5.usPixelClock = cpu_to_le16(dispclk);
 777                         args.v5.ucPpll = ATOM_DCPLL;
 778                         break;
 779                 case 6:
 780                         /* if the default dcpll clock is specified,
 781                          * SetPixelClock provides the dividers
 782                          */
 783                         args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
 784                         if (ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev))
 785                                 args.v6.ucPpll = ATOM_EXT_PLL1;
 786                         else if (ASIC_IS_DCE6(rdev))
 787                                 args.v6.ucPpll = ATOM_PPLL0;
 788                         else
 789                                 args.v6.ucPpll = ATOM_DCPLL;
 790                         break;
 791                 default:
 792                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 793                         return;
 794                 }
 795                 break;
 796         default:
 797                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 798                 return;
 799         }
 800         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 801 }
 802
 803 static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 804                                       u32 crtc_id,
 805                                       int pll_id,
 806                                       u32 encoder_mode,
 807                                       u32 encoder_id,
 808                                       u32 clock,
 809                                       u32 ref_div,
 810                                       u32 fb_div,
 811                                       u32 frac_fb_div,
 812                                       u32 post_div,
 813                                       int bpc,
 814                                       bool ss_enabled,
 815                                       struct radeon_atom_ss *ss)
 816 {
 817         struct drm_device *dev = crtc->dev;
 818         struct radeon_device *rdev = dev->dev_private;
 819         u8 frev, crev;
 820         int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 821         union set_pixel_clock args;
 822
 823         memset(&args, 0, sizeof(args));
 824
 825         if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 826                                    &crev))
 827                 return;
 828
 829         switch (frev) {
 830         case 1:
 831                 switch (crev) {
 832                 case 1:
 833                         if (clock == ATOM_DISABLE)
 834                                 return;
 835                         args.v1.usPixelClock = cpu_to_le16(clock / 10);
 836                         args.v1.usRefDiv = cpu_to_le16(ref_div);
 837                         args.v1.usFbDiv = cpu_to_le16(fb_div);
 838                         args.v1.ucFracFbDiv = frac_fb_div;
 839                         args.v1.ucPostDiv = post_div;
 840                         args.v1.ucPpll = pll_id;
 841                         args.v1.ucCRTC = crtc_id;
 842                         args.v1.ucRefDivSrc = 1;
 843                         break;
 844                 case 2:
 845                         args.v2.usPixelClock = cpu_to_le16(clock / 10);
 846                         args.v2.usRefDiv = cpu_to_le16(ref_div);
 847                         args.v2.usFbDiv = cpu_to_le16(fb_div);
 848                         args.v2.ucFracFbDiv = frac_fb_div;
 849                         args.v2.ucPostDiv = post_div;
 850                         args.v2.ucPpll = pll_id;
 851                         args.v2.ucCRTC = crtc_id;
 852                         args.v2.ucRefDivSrc = 1;
 853                         break;
 854                 case 3:
 855                         args.v3.usPixelClock = cpu_to_le16(clock / 10);
 856                         args.v3.usRefDiv = cpu_to_le16(ref_div);
 857                         args.v3.usFbDiv = cpu_to_le16(fb_div);
 858                         args.v3.ucFracFbDiv = frac_fb_div;
 859                         args.v3.ucPostDiv = post_div;
 860                         args.v3.ucPpll = pll_id;
 861                         if (crtc_id == ATOM_CRTC2)
 862                                 args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2;
 863                         else
 864                                 args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1;
 865                         if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 866                                 args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC;
 867                         args.v3.ucTransmitterId = encoder_id;
 868                         args.v3.ucEncoderMode = encoder_mode;
 869                         break;
 870                 case 5:
 871                         args.v5.ucCRTC = crtc_id;
 872                         args.v5.usPixelClock = cpu_to_le16(clock / 10);
 873                         args.v5.ucRefDiv = ref_div;
 874                         args.v5.usFbDiv = cpu_to_le16(fb_div);
 875                         args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 876                         args.v5.ucPostDiv = post_div;
 877                         args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
 878                         if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 879                                 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
 880                         if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
 881                                 switch (bpc) {
 882                                 case 8:
 883                                 default:
 884                                         args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
 885                                         break;
 886                                 case 10:
 887                                         /* yes this is correct, the atom define is wrong */
 888                                         args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_32BPP;
 889                                         break;
 890                                 case 12:
 891                                         /* yes this is correct, the atom define is wrong */
 892                                         args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
 893                                         break;
 894                                 }
 895                         }
 896                         args.v5.ucTransmitterID = encoder_id;
 897                         args.v5.ucEncoderMode = encoder_mode;
 898                         args.v5.ucPpll = pll_id;
 899                         break;
 900                 case 6:
 901                         args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10);
 902                         args.v6.ucRefDiv = ref_div;
 903                         args.v6.usFbDiv = cpu_to_le16(fb_div);
 904                         args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 905                         args.v6.ucPostDiv = post_div;
 906                         args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
 907                         if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 908                                 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
 909                         if (encoder_mode == ATOM_ENCODER_MODE_HDMI) {
 910                                 switch (bpc) {
 911                                 case 8:
 912                                 default:
 913                                         args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
 914                                         break;
 915                                 case 10:
 916                                         args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP_V6;
 917                                         break;
 918                                 case 12:
 919                                         args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP_V6;
 920                                         break;
 921                                 case 16:
 922                                         args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
 923                                         break;
 924                                 }
 925                         }
 926                         args.v6.ucTransmitterID = encoder_id;
 927                         args.v6.ucEncoderMode = encoder_mode;
 928                         args.v6.ucPpll = pll_id;
 929                         break;
 930                 default:
 931                         DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 932                         return;
 933                 }
 934                 break;
 935         default:
 936                 DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 937                 return;
 938         }
 939
 940         atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 941 }
 942
 943 static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 944 {
 945         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 946         struct drm_device *dev = crtc->dev;
 947         struct radeon_device *rdev = dev->dev_private;
 948         struct radeon_encoder *radeon_encoder =
 949                 to_radeon_encoder(radeon_crtc->encoder);
 950         int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder);
 951
 952         radeon_crtc->bpc = 8;
 953         radeon_crtc->ss_enabled = false;
 954
 955         if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
 956             (radeon_encoder_get_dp_bridge_encoder_id(radeon_crtc->encoder) != ENCODER_OBJECT_ID_NONE)) {
 957                 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 958                 struct drm_connector *connector =
 959                         radeon_get_connector_for_encoder(radeon_crtc->encoder);
 960                 struct radeon_connector *radeon_connector =
 961                         to_radeon_connector(connector);
 962                 struct radeon_connector_atom_dig *dig_connector =
 963                         radeon_connector->con_priv;
 964                 int dp_clock;
 965
 966                 /* Assign mode clock for hdmi deep color max clock limit check */
 967                 radeon_connector->pixelclock_for_modeset = mode->clock;
 968                 radeon_crtc->bpc = radeon_get_monitor_bpc(connector);
 969
 970                 switch (encoder_mode) {
 971                 case ATOM_ENCODER_MODE_DP_MST:
 972                 case ATOM_ENCODER_MODE_DP:
 973                         /* DP/eDP */
 974                         dp_clock = dig_connector->dp_clock / 10;
 975                         if (ASIC_IS_DCE4(rdev))
 976                                 radeon_crtc->ss_enabled =
 977                                         radeon_atombios_get_asic_ss_info(rdev, &radeon_crtc->ss,
 978                                                                          ASIC_INTERNAL_SS_ON_DP,
 979                                                                          dp_clock);
 980                         else {
 981                                 if (dp_clock == 16200) {
 982                                         radeon_crtc->ss_enabled =
 983                                                 radeon_atombios_get_ppll_ss_info(rdev,
 984                                                                                  &radeon_crtc->ss,
 985                                                                                  ATOM_DP_SS_ID2);
 986                                         if (!radeon_crtc->ss_enabled)
 987                                                 radeon_crtc->ss_enabled =
 988                                                         radeon_atombios_get_ppll_ss_info(rdev,
 989                                                                                          &radeon_crtc->ss,
 990                                                                                          ATOM_DP_SS_ID1);
 991                                 } else {
 992                                         radeon_crtc->ss_enabled =
 993                                                 radeon_atombios_get_ppll_ss_info(rdev,
 994                                                                                  &radeon_crtc->ss,
 995                                                                                  ATOM_DP_SS_ID1);
 996                                 }
 997                                 /* disable spread spectrum on DCE3 DP */
 998                                 radeon_crtc->ss_enabled = false;
 999                         }
1000                         break;
1001                 case ATOM_ENCODER_MODE_LVDS:
1002                         if (ASIC_IS_DCE4(rdev))
1003                                 radeon_crtc->ss_enabled =
1004                                         radeon_atombios_get_asic_ss_info(rdev,
1005                                                                          &radeon_crtc->ss,
1006                                                                          dig->lcd_ss_id,
1007                                                                          mode->clock / 10);
1008                         else
1009                                 radeon_crtc->ss_enabled =
1010                                         radeon_atombios_get_ppll_ss_info(rdev,
1011                                                                          &radeon_crtc->ss,
1012                                                                          dig->lcd_ss_id);
1013                         break;
1014                 case ATOM_ENCODER_MODE_DVI:
1015                         if (ASIC_IS_DCE4(rdev))
1016                                 radeon_crtc->ss_enabled =
1017                                         radeon_atombios_get_asic_ss_info(rdev,
1018                                                                          &radeon_crtc->ss,
1019                                                                          ASIC_INTERNAL_SS_ON_TMDS,
1020                                                                          mode->clock / 10);
1021                         break;
1022                 case ATOM_ENCODER_MODE_HDMI:
1023                         if (ASIC_IS_DCE4(rdev))
1024                                 radeon_crtc->ss_enabled =
1025                                         radeon_atombios_get_asic_ss_info(rdev,
1026                                                                          &radeon_crtc->ss,
1027                                                                          ASIC_INTERNAL_SS_ON_HDMI,
1028                                                                          mode->clock / 10);
1029                         break;
1030                 default:
1031                         break;
1032                 }
1033         }
1034
1035         /* adjust pixel clock as needed */
1036         radeon_crtc->adjusted_clock = atombios_adjust_pll(crtc, mode);
1037
1038         return true;
1039 }
1040
1041 static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
1042 {
1043         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1044         struct drm_device *dev = crtc->dev;
1045         struct radeon_device *rdev = dev->dev_private;
1046         struct radeon_encoder *radeon_encoder =
1047                 to_radeon_encoder(radeon_crtc->encoder);
1048         u32 pll_clock = mode->clock;
1049         u32 clock = mode->clock;
1050         u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
1051         struct radeon_pll *pll;
1052         int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder);
1053
1054         /* pass the actual clock to atombios_crtc_program_pll for DCE5,6 for HDMI */
1055         if (ASIC_IS_DCE5(rdev) &&
1056             (encoder_mode == ATOM_ENCODER_MODE_HDMI) &&
1057             (radeon_crtc->bpc > 8))
1058                 clock = radeon_crtc->adjusted_clock;
1059
1060         switch (radeon_crtc->pll_id) {
1061         case ATOM_PPLL1:
1062                 pll = &rdev->clock.p1pll;
1063                 break;
1064         case ATOM_PPLL2:
1065                 pll = &rdev->clock.p2pll;
1066                 break;
1067         case ATOM_DCPLL:
1068         case ATOM_PPLL_INVALID:
1069         default:
1070                 pll = &rdev->clock.dcpll;
1071                 break;
1072         }
1073
1074         /* update pll params */
1075         pll->flags = radeon_crtc->pll_flags;
1076         pll->reference_div = radeon_crtc->pll_reference_div;
1077         pll->post_div = radeon_crtc->pll_post_div;
1078
1079         if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1080                 /* TV seems to prefer the legacy algo on some boards */
1081                 radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock,
1082                                           &fb_div, &frac_fb_div, &ref_div, &post_div);
1083         else if (ASIC_IS_AVIVO(rdev))
1084                 radeon_compute_pll_avivo(pll, radeon_crtc->adjusted_clock, &pll_clock,
1085                                          &fb_div, &frac_fb_div, &ref_div, &post_div);
1086         else
1087                 radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock,
1088                                           &fb_div, &frac_fb_div, &ref_div, &post_div);
1089
1090         atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id,
1091                                  radeon_crtc->crtc_id, &radeon_crtc->ss);
1092
1093         atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1094                                   encoder_mode, radeon_encoder->encoder_id, clock,
1095                                   ref_div, fb_div, frac_fb_div, post_div,
1096                                   radeon_crtc->bpc, radeon_crtc->ss_enabled, &radeon_crtc->ss);
1097
1098         if (radeon_crtc->ss_enabled) {
1099                 /* calculate ss amount and step size */
1100                 if (ASIC_IS_DCE4(rdev)) {
1101                         u32 step_size;
1102                         u32 amount = (((fb_div * 10) + frac_fb_div) *
1103                                       (u32)radeon_crtc->ss.percentage) /
1104                                 (100 * (u32)radeon_crtc->ss.percentage_divider);
1105                         radeon_crtc->ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
1106                         radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
1107                                 ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
1108                         if (radeon_crtc->ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
1109                                 step_size = (4 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) /
1110                                         (125 * 25 * pll->reference_freq / 100);
1111                         else
1112                                 step_size = (2 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) /
1113                                         (125 * 25 * pll->reference_freq / 100);
1114                         radeon_crtc->ss.step = step_size;
1115                 }
1116
1117                 atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id,
1118                                          radeon_crtc->crtc_id, &radeon_crtc->ss);
1119         }
1120 }
1121
1122 static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
1123                                  struct drm_framebuffer *fb,
1124                                  int x, int y, int atomic)
1125 {
1126         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1127         struct drm_device *dev = crtc->dev;
1128         struct radeon_device *rdev = dev->dev_private;
1129         struct radeon_framebuffer *radeon_fb;
1130         struct drm_framebuffer *target_fb;
1131         struct drm_gem_object *obj;
1132         struct radeon_bo *rbo;
1133         uint64_t fb_location;
1134         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1135         unsigned bankw, bankh, mtaspect, tile_split;
1136         u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
1137         u32 tmp, viewport_w, viewport_h;
1138         int r;
1139         bool bypass_lut = false;
1140
1141         /* no fb bound */
1142         if (!atomic && !crtc->primary->fb) {
1143                 DRM_DEBUG_KMS("No FB bound\n");
1144                 return 0;
1145         }
1146
1147         if (atomic) {
1148                 radeon_fb = to_radeon_framebuffer(fb);
1149                 target_fb = fb;
1150         }
1151         else {
1152                 radeon_fb = to_radeon_framebuffer(crtc->primary->fb);
1153                 target_fb = crtc->primary->fb;
1154         }
1155
1156         /* If atomic, assume fb object is pinned & idle & fenced and
1157          * just update base pointers
1158          */
1159         obj = radeon_fb->obj;
1160         rbo = gem_to_radeon_bo(obj);
1161         r = radeon_bo_reserve(rbo, false);
1162         if (unlikely(r != 0))
1163                 return r;
1164
1165         if (atomic)
1166                 fb_location = radeon_bo_gpu_offset(rbo);
1167         else {
1168                 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1169                 if (unlikely(r != 0)) {
1170                         radeon_bo_unreserve(rbo);
1171                         return -EINVAL;
1172                 }
1173         }
1174
1175         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1176         radeon_bo_unreserve(rbo);
1177
1178         switch (target_fb->pixel_format) {
1179         case DRM_FORMAT_C8:
1180                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
1181                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
1182                 break;
1183         case DRM_FORMAT_XRGB4444:
1184         case DRM_FORMAT_ARGB4444:
1185                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1186                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB4444));
1187 #ifdef __BIG_ENDIAN
1188                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
1189 #endif
1190                 break;
1191         case DRM_FORMAT_XRGB1555:
1192         case DRM_FORMAT_ARGB1555:
1193                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1194                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
1195 #ifdef __BIG_ENDIAN
1196                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
1197 #endif
1198                 break;
1199         case DRM_FORMAT_BGRX5551:
1200         case DRM_FORMAT_BGRA5551:
1201                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1202                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA5551));
1203 #ifdef __BIG_ENDIAN
1204                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
1205 #endif
1206                 break;
1207         case DRM_FORMAT_RGB565:
1208                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1209                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
1210 #ifdef __BIG_ENDIAN
1211                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
1212 #endif
1213                 break;
1214         case DRM_FORMAT_XRGB8888:
1215         case DRM_FORMAT_ARGB8888:
1216                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
1217                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
1218 #ifdef __BIG_ENDIAN
1219                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
1220 #endif
1221                 break;
1222         case DRM_FORMAT_XRGB2101010:
1223         case DRM_FORMAT_ARGB2101010:
1224                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
1225                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB2101010));
1226 #ifdef __BIG_ENDIAN
1227                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
1228 #endif
1229                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1230                 bypass_lut = true;
1231                 break;
1232         case DRM_FORMAT_BGRX1010102:
1233         case DRM_FORMAT_BGRA1010102:
1234                 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
1235                              EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA1010102));
1236 #ifdef __BIG_ENDIAN
1237                 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
1238 #endif
1239                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1240                 bypass_lut = true;
1241                 break;
1242         default:
1243                 DRM_ERROR("Unsupported screen format %s\n",
1244                           drm_get_format_name(target_fb->pixel_format));
1245                 return -EINVAL;
1246         }
1247
1248         if (tiling_flags & RADEON_TILING_MACRO) {
1249                 evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
1250
1251                 /* Set NUM_BANKS. */
1252                 if (rdev->family >= CHIP_TAHITI) {
1253                         unsigned index, num_banks;
1254
1255                         if (rdev->family >= CHIP_BONAIRE) {
1256                                 unsigned tileb, tile_split_bytes;
1257
1258                                 /* Calculate the macrotile mode index. */
1259                                 tile_split_bytes = 64 << tile_split;
1260                                 tileb = 8 * 8 * target_fb->bits_per_pixel / 8;
1261                                 tileb = min(tile_split_bytes, tileb);
1262
1263                                 for (index = 0; tileb > 64; index++)
1264                                         tileb >>= 1;
1265
1266                                 if (index >= 16) {
1267                                         DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n",
1268                                                   target_fb->bits_per_pixel, tile_split);
1269                                         return -EINVAL;
1270                                 }
1271
1272                                 num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3;
1273                         } else {
1274                                 switch (target_fb->bits_per_pixel) {
1275                                 case 8:
1276                                         index = 10;
1277                                         break;
1278                                 case 16:
1279                                         index = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP;
1280                                         break;
1281                                 default:
1282                                 case 32:
1283                                         index = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP;
1284                                         break;
1285                                 }
1286
1287                                 num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3;
1288                         }
1289
1290                         fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks);
1291                 } else {
1292                         /* NI and older. */
1293                         if (rdev->family >= CHIP_CAYMAN)
1294                                 tmp = rdev->config.cayman.tile_config;
1295                         else
1296                                 tmp = rdev->config.evergreen.tile_config;
1297
1298                         switch ((tmp & 0xf0) >> 4) {
1299                         case 0: /* 4 banks */
1300                                 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
1301                                 break;
1302                         case 1: /* 8 banks */
1303                         default:
1304                                 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
1305                                 break;
1306                         case 2: /* 16 banks */
1307                                 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
1308                                 break;
1309                         }
1310                 }
1311
1312                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
1313                 fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split);
1314                 fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw);
1315                 fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh);
1316                 fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect);
1317                 if (rdev->family >= CHIP_BONAIRE) {
1318                         /* XXX need to know more about the surface tiling mode */
1319                         fb_format |= CIK_GRPH_MICRO_TILE_MODE(CIK_DISPLAY_MICRO_TILING);
1320                 }
1321         } else if (tiling_flags & RADEON_TILING_MICRO)
1322                 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
1323
1324         if (rdev->family >= CHIP_BONAIRE) {
1325                 /* Read the pipe config from the 2D TILED SCANOUT mode.
1326                  * It should be the same for the other modes too, but not all
1327                  * modes set the pipe config field. */
1328                 u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f;
1329
1330                 fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config);
1331         } else if ((rdev->family == CHIP_TAHITI) ||
1332                    (rdev->family == CHIP_PITCAIRN))
1333                 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16);
1334         else if ((rdev->family == CHIP_VERDE) ||
1335                  (rdev->family == CHIP_OLAND) ||
1336                  (rdev->family == CHIP_HAINAN)) /* for completeness.  HAINAN has no display hw */
1337                 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16);
1338
1339         switch (radeon_crtc->crtc_id) {
1340         case 0:
1341                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1342                 break;
1343         case 1:
1344                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1345                 break;
1346         case 2:
1347                 WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1348                 break;
1349         case 3:
1350                 WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1351                 break;
1352         case 4:
1353                 WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1354                 break;
1355         case 5:
1356                 WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1357                 break;
1358         default:
1359                 break;
1360         }
1361
1362         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1363                upper_32_bits(fb_location));
1364         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1365                upper_32_bits(fb_location));
1366         WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1367                (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1368         WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1369                (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1370         WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1371         WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1372
1373         /*
1374          * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT
1375          * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to
1376          * retain the full precision throughout the pipeline.
1377          */
1378         WREG32_P(EVERGREEN_GRPH_LUT_10BIT_BYPASS_CONTROL + radeon_crtc->crtc_offset,
1379                  (bypass_lut ? EVERGREEN_LUT_10BIT_BYPASS_EN : 0),
1380                  ~EVERGREEN_LUT_10BIT_BYPASS_EN);
1381
1382         if (bypass_lut)
1383                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1384
1385         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1386         WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1387         WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
1388         WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1389         WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1390         WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1391
1392         fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
1393         WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1394         WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1395
1396         if (rdev->family >= CHIP_BONAIRE)
1397                 WREG32(CIK_LB_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1398                        target_fb->height);
1399         else
1400                 WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1401                        target_fb->height);
1402         x &= ~3;
1403         y &= ~1;
1404         WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
1405                (x << 16) | y);
1406         viewport_w = crtc->mode.hdisplay;
1407         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1408         WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1409                (viewport_w << 16) | viewport_h);
1410
1411         /* pageflip setup */
1412         /* make sure flip is at vb rather than hb */
1413         tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
1414         tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
1415         WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
1416
1417         /* set pageflip to happen only at start of vblank interval (front porch) */
1418         WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3);
1419
1420         if (!atomic && fb && fb != crtc->primary->fb) {
1421                 radeon_fb = to_radeon_framebuffer(fb);
1422                 rbo = gem_to_radeon_bo(radeon_fb->obj);
1423                 r = radeon_bo_reserve(rbo, false);
1424                 if (unlikely(r != 0))
1425                         return r;
1426                 radeon_bo_unpin(rbo);
1427                 radeon_bo_unreserve(rbo);
1428         }
1429
1430         /* Bytes per pixel may have changed */
1431         radeon_bandwidth_update(rdev);
1432
1433         return 0;
1434 }
1435
1436 static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
1437                                   struct drm_framebuffer *fb,
1438                                   int x, int y, int atomic)
1439 {
1440         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1441         struct drm_device *dev = crtc->dev;
1442         struct radeon_device *rdev = dev->dev_private;
1443         struct radeon_framebuffer *radeon_fb;
1444         struct drm_gem_object *obj;
1445         struct radeon_bo *rbo;
1446         struct drm_framebuffer *target_fb;
1447         uint64_t fb_location;
1448         uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1449         u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE;
1450         u32 tmp, viewport_w, viewport_h;
1451         int r;
1452         bool bypass_lut = false;
1453
1454         /* no fb bound */
1455         if (!atomic && !crtc->primary->fb) {
1456                 DRM_DEBUG_KMS("No FB bound\n");
1457                 return 0;
1458         }
1459
1460         if (atomic) {
1461                 radeon_fb = to_radeon_framebuffer(fb);
1462                 target_fb = fb;
1463         }
1464         else {
1465                 radeon_fb = to_radeon_framebuffer(crtc->primary->fb);
1466                 target_fb = crtc->primary->fb;
1467         }
1468
1469         obj = radeon_fb->obj;
1470         rbo = gem_to_radeon_bo(obj);
1471         r = radeon_bo_reserve(rbo, false);
1472         if (unlikely(r != 0))
1473                 return r;
1474
1475         /* If atomic, assume fb object is pinned & idle & fenced and
1476          * just update base pointers
1477          */
1478         if (atomic)
1479                 fb_location = radeon_bo_gpu_offset(rbo);
1480         else {
1481                 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1482                 if (unlikely(r != 0)) {
1483                         radeon_bo_unreserve(rbo);
1484                         return -EINVAL;
1485                 }
1486         }
1487         radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1488         radeon_bo_unreserve(rbo);
1489
1490         switch (target_fb->pixel_format) {
1491         case DRM_FORMAT_C8:
1492                 fb_format =
1493                     AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
1494                     AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
1495                 break;
1496         case DRM_FORMAT_XRGB4444:
1497         case DRM_FORMAT_ARGB4444:
1498                 fb_format =
1499                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1500                     AVIVO_D1GRPH_CONTROL_16BPP_ARGB4444;
1501 #ifdef __BIG_ENDIAN
1502                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
1503 #endif
1504                 break;
1505         case DRM_FORMAT_XRGB1555:
1506                 fb_format =
1507                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1508                     AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
1509 #ifdef __BIG_ENDIAN
1510                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
1511 #endif
1512                 break;
1513         case DRM_FORMAT_RGB565:
1514                 fb_format =
1515                     AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1516                     AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
1517 #ifdef __BIG_ENDIAN
1518                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
1519 #endif
1520                 break;
1521         case DRM_FORMAT_XRGB8888:
1522         case DRM_FORMAT_ARGB8888:
1523                 fb_format =
1524                     AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
1525                     AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
1526 #ifdef __BIG_ENDIAN
1527                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
1528 #endif
1529                 break;
1530         case DRM_FORMAT_XRGB2101010:
1531         case DRM_FORMAT_ARGB2101010:
1532                 fb_format =
1533                     AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
1534                     AVIVO_D1GRPH_CONTROL_32BPP_ARGB2101010;
1535 #ifdef __BIG_ENDIAN
1536                 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
1537 #endif
1538                 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */
1539                 bypass_lut = true;
1540                 break;
1541         default:
1542                 DRM_ERROR("Unsupported screen format %s\n",
1543                           drm_get_format_name(target_fb->pixel_format));
1544                 return -EINVAL;
1545         }
1546
1547         if (rdev->family >= CHIP_R600) {
1548                 if (tiling_flags & RADEON_TILING_MACRO)
1549                         fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1;
1550                 else if (tiling_flags & RADEON_TILING_MICRO)
1551                         fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1;
1552         } else {
1553                 if (tiling_flags & RADEON_TILING_MACRO)
1554                         fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
1555
1556                 if (tiling_flags & RADEON_TILING_MICRO)
1557                         fb_format |= AVIVO_D1GRPH_TILED;
1558         }
1559
1560         if (radeon_crtc->crtc_id == 0)
1561                 WREG32(AVIVO_D1VGA_CONTROL, 0);
1562         else
1563                 WREG32(AVIVO_D2VGA_CONTROL, 0);
1564
1565         if (rdev->family >= CHIP_RV770) {
1566                 if (radeon_crtc->crtc_id) {
1567                         WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1568                         WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1569                 } else {
1570                         WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1571                         WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1572                 }
1573         }
1574         WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1575                (u32) fb_location);
1576         WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
1577                radeon_crtc->crtc_offset, (u32) fb_location);
1578         WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1579         if (rdev->family >= CHIP_R600)
1580                 WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1581
1582         /* LUT only has 256 slots for 8 bpc fb. Bypass for > 8 bpc scanout for precision */
1583         WREG32_P(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset,
1584                  (bypass_lut ? AVIVO_LUT_10BIT_BYPASS_EN : 0), ~AVIVO_LUT_10BIT_BYPASS_EN);
1585
1586         if (bypass_lut)
1587                 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n");
1588
1589         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1590         WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1591         WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
1592         WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1593         WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1594         WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1595
1596         fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
1597         WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1598         WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1599
1600         WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1601                target_fb->height);
1602         x &= ~3;
1603         y &= ~1;
1604         WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
1605                (x << 16) | y);
1606         viewport_w = crtc->mode.hdisplay;
1607         viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1608         WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1609                (viewport_w << 16) | viewport_h);
1610
1611         /* pageflip setup */
1612         /* make sure flip is at vb rather than hb */
1613         tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
1614         tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
1615         WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
1616
1617         /* set pageflip to happen only at start of vblank interval (front porch) */
1618         WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3);
1619
1620         if (!atomic && fb && fb != crtc->primary->fb) {
1621                 radeon_fb = to_radeon_framebuffer(fb);
1622                 rbo = gem_to_radeon_bo(radeon_fb->obj);
1623                 r = radeon_bo_reserve(rbo, false);
1624                 if (unlikely(r != 0))
1625                         return r;
1626                 radeon_bo_unpin(rbo);
1627                 radeon_bo_unreserve(rbo);
1628         }
1629
1630         /* Bytes per pixel may have changed */
1631         radeon_bandwidth_update(rdev);
1632
1633         return 0;
1634 }
1635
1636 int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
1637                            struct drm_framebuffer *old_fb)
1638 {
1639         struct drm_device *dev = crtc->dev;
1640         struct radeon_device *rdev = dev->dev_private;
1641
1642         if (ASIC_IS_DCE4(rdev))
1643                 return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0);
1644         else if (ASIC_IS_AVIVO(rdev))
1645                 return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
1646         else
1647                 return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
1648 }
1649
1650 int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
1651                                   struct drm_framebuffer *fb,
1652                                   int x, int y, enum mode_set_atomic state)
1653 {
1654        struct drm_device *dev = crtc->dev;
1655        struct radeon_device *rdev = dev->dev_private;
1656
1657         if (ASIC_IS_DCE4(rdev))
1658                 return dce4_crtc_do_set_base(crtc, fb, x, y, 1);
1659         else if (ASIC_IS_AVIVO(rdev))
1660                 return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
1661         else
1662                 return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
1663 }
1664
1665 /* properly set additional regs when using atombios */
1666 static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
1667 {
1668         struct drm_device *dev = crtc->dev;
1669         struct radeon_device *rdev = dev->dev_private;
1670         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1671         u32 disp_merge_cntl;
1672
1673         switch (radeon_crtc->crtc_id) {
1674         case 0:
1675                 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
1676                 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
1677                 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
1678                 break;
1679         case 1:
1680                 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
1681                 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
1682                 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
1683                 WREG32(RADEON_FP_H2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
1684                 WREG32(RADEON_FP_V2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
1685                 break;
1686         }
1687 }
1688
1689 /**
1690  * radeon_get_pll_use_mask - look up a mask of which pplls are in use
1691  *
1692  * @crtc: drm crtc
1693  *
1694  * Returns the mask of which PPLLs (Pixel PLLs) are in use.
1695  */
1696 static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc)
1697 {
1698         struct drm_device *dev = crtc->dev;
1699         struct drm_crtc *test_crtc;
1700         struct radeon_crtc *test_radeon_crtc;
1701         u32 pll_in_use = 0;
1702
1703         list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1704                 if (crtc == test_crtc)
1705                         continue;
1706
1707                 test_radeon_crtc = to_radeon_crtc(test_crtc);
1708                 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
1709                         pll_in_use |= (1 << test_radeon_crtc->pll_id);
1710         }
1711         return pll_in_use;
1712 }
1713
1714 /**
1715  * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP
1716  *
1717  * @crtc: drm crtc
1718  *
1719  * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is
1720  * also in DP mode.  For DP, a single PPLL can be used for all DP
1721  * crtcs/encoders.
1722  */
1723 static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc)
1724 {
1725         struct drm_device *dev = crtc->dev;
1726         struct drm_crtc *test_crtc;
1727         struct radeon_crtc *test_radeon_crtc;
1728
1729         list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1730                 if (crtc == test_crtc)
1731                         continue;
1732                 test_radeon_crtc = to_radeon_crtc(test_crtc);
1733                 if (test_radeon_crtc->encoder &&
1734                     ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) {
1735                         /* for DP use the same PLL for all */
1736                         if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
1737                                 return test_radeon_crtc->pll_id;
1738                 }
1739         }
1740         return ATOM_PPLL_INVALID;
1741 }
1742
1743 /**
1744  * radeon_get_shared_nondp_ppll - return the PPLL used by another non-DP crtc
1745  *
1746  * @crtc: drm crtc
1747  * @encoder: drm encoder
1748  *
1749  * Returns the PPLL (Pixel PLL) used by another non-DP crtc/encoder which can
1750  * be shared (i.e., same clock).
1751  */
1752 static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc)
1753 {
1754         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1755         struct drm_device *dev = crtc->dev;
1756         struct drm_crtc *test_crtc;
1757         struct radeon_crtc *test_radeon_crtc;
1758         u32 adjusted_clock, test_adjusted_clock;
1759
1760         adjusted_clock = radeon_crtc->adjusted_clock;
1761
1762         if (adjusted_clock == 0)
1763                 return ATOM_PPLL_INVALID;
1764
1765         list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1766                 if (crtc == test_crtc)
1767                         continue;
1768                 test_radeon_crtc = to_radeon_crtc(test_crtc);
1769                 if (test_radeon_crtc->encoder &&
1770                     !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) {
1771                         /* check if we are already driving this connector with another crtc */
1772                         if (test_radeon_crtc->connector == radeon_crtc->connector) {
1773                                 /* if we are, return that pll */
1774                                 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
1775                                         return test_radeon_crtc->pll_id;
1776                         }
1777                         /* for non-DP check the clock */
1778                         test_adjusted_clock = test_radeon_crtc->adjusted_clock;
1779                         if ((crtc->mode.clock == test_crtc->mode.clock) &&
1780                             (adjusted_clock == test_adjusted_clock) &&
1781                             (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) &&
1782                             (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID))
1783                                 return test_radeon_crtc->pll_id;
1784                 }
1785         }
1786         return ATOM_PPLL_INVALID;
1787 }
1788
1789 /**
1790  * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc.
1791  *
1792  * @crtc: drm crtc
1793  *
1794  * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
1795  * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
1796  * monitors a dedicated PPLL must be used.  If a particular board has
1797  * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
1798  * as there is no need to program the PLL itself.  If we are not able to
1799  * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
1800  * avoid messing up an existing monitor.
1801  *
1802  * Asic specific PLL information
1803  *
1804  * DCE 8.x
1805  * KB/KV
1806  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP)
1807  * CI
1808  * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
1809  *
1810  * DCE 6.1
1811  * - PPLL2 is only available to UNIPHYA (both DP and non-DP)
1812  * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP)
1813  *
1814  * DCE 6.0
1815  * - PPLL0 is available to all UNIPHY (DP only)
1816  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
1817  *
1818  * DCE 5.0
1819  * - DCPLL is available to all UNIPHY (DP only)
1820  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
1821  *
1822  * DCE 3.0/4.0/4.1
1823  * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
1824  *
1825  */
1826 static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1827 {
1828         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1829         struct drm_device *dev = crtc->dev;
1830         struct radeon_device *rdev = dev->dev_private;
1831         struct radeon_encoder *radeon_encoder =
1832                 to_radeon_encoder(radeon_crtc->encoder);
1833         u32 pll_in_use;
1834         int pll;
1835
1836         if (ASIC_IS_DCE8(rdev)) {
1837                 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
1838                         if (rdev->clock.dp_extclk)
1839                                 /* skip PPLL programming if using ext clock */
1840                                 return ATOM_PPLL_INVALID;
1841                         else {
1842                                 /* use the same PPLL for all DP monitors */
1843                                 pll = radeon_get_shared_dp_ppll(crtc);
1844                                 if (pll != ATOM_PPLL_INVALID)
1845                                         return pll;
1846                         }
1847                 } else {
1848                         /* use the same PPLL for all monitors with the same clock */
1849                         pll = radeon_get_shared_nondp_ppll(crtc);
1850                         if (pll != ATOM_PPLL_INVALID)
1851                                 return pll;
1852                 }
1853                 /* otherwise, pick one of the plls */
1854                 if ((rdev->family == CHIP_KAVERI) ||
1855                     (rdev->family == CHIP_KABINI) ||
1856                     (rdev->family == CHIP_MULLINS)) {
1857                         /* KB/KV/ML has PPLL1 and PPLL2 */
1858                         pll_in_use = radeon_get_pll_use_mask(crtc);
1859                         if (!(pll_in_use & (1 << ATOM_PPLL2)))
1860                                 return ATOM_PPLL2;
1861                         if (!(pll_in_use & (1 << ATOM_PPLL1)))
1862                                 return ATOM_PPLL1;
1863                         DRM_ERROR("unable to allocate a PPLL\n");
1864                         return ATOM_PPLL_INVALID;
1865                 } else {
1866                         /* CI has PPLL0, PPLL1, and PPLL2 */
1867                         pll_in_use = radeon_get_pll_use_mask(crtc);
1868                         if (!(pll_in_use & (1 << ATOM_PPLL2)))
1869                                 return ATOM_PPLL2;
1870                         if (!(pll_in_use & (1 << ATOM_PPLL1)))
1871                                 return ATOM_PPLL1;
1872                         if (!(pll_in_use & (1 << ATOM_PPLL0)))
1873                                 return ATOM_PPLL0;
1874                         DRM_ERROR("unable to allocate a PPLL\n");
1875                         return ATOM_PPLL_INVALID;
1876                 }
1877         } else if (ASIC_IS_DCE61(rdev)) {
1878                 struct radeon_encoder_atom_dig *dig =
1879                         radeon_encoder->enc_priv;
1880
1881                 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY) &&
1882                     (dig->linkb == false))
1883                         /* UNIPHY A uses PPLL2 */
1884                         return ATOM_PPLL2;
1885                 else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
1886                         /* UNIPHY B/C/D/E/F */
1887                         if (rdev->clock.dp_extclk)
1888                                 /* skip PPLL programming if using ext clock */
1889                                 return ATOM_PPLL_INVALID;
1890                         else {
1891                                 /* use the same PPLL for all DP monitors */
1892                                 pll = radeon_get_shared_dp_ppll(crtc);
1893                                 if (pll != ATOM_PPLL_INVALID)
1894                                         return pll;
1895                         }
1896                 } else {
1897                         /* use the same PPLL for all monitors with the same clock */
1898                         pll = radeon_get_shared_nondp_ppll(crtc);
1899                         if (pll != ATOM_PPLL_INVALID)
1900                                 return pll;
1901                 }
1902                 /* UNIPHY B/C/D/E/F */
1903                 pll_in_use = radeon_get_pll_use_mask(crtc);
1904                 if (!(pll_in_use & (1 << ATOM_PPLL0)))
1905                         return ATOM_PPLL0;
1906                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
1907                         return ATOM_PPLL1;
1908                 DRM_ERROR("unable to allocate a PPLL\n");
1909                 return ATOM_PPLL_INVALID;
1910         } else if (ASIC_IS_DCE41(rdev)) {
1911                 /* Don't share PLLs on DCE4.1 chips */
1912                 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
1913                         if (rdev->clock.dp_extclk)
1914                                 /* skip PPLL programming if using ext clock */
1915                                 return ATOM_PPLL_INVALID;
1916                 }
1917                 pll_in_use = radeon_get_pll_use_mask(crtc);
1918                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
1919                         return ATOM_PPLL1;
1920                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
1921                         return ATOM_PPLL2;
1922                 DRM_ERROR("unable to allocate a PPLL\n");
1923                 return ATOM_PPLL_INVALID;
1924         } else if (ASIC_IS_DCE4(rdev)) {
1925                 /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
1926                  * depending on the asic:
1927                  * DCE4: PPLL or ext clock
1928                  * DCE5: PPLL, DCPLL, or ext clock
1929                  * DCE6: PPLL, PPLL0, or ext clock
1930                  *
1931                  * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip
1932                  * PPLL/DCPLL programming and only program the DP DTO for the
1933                  * crtc virtual pixel clock.
1934                  */
1935                 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
1936                         if (rdev->clock.dp_extclk)
1937                                 /* skip PPLL programming if using ext clock */
1938                                 return ATOM_PPLL_INVALID;
1939                         else if (ASIC_IS_DCE6(rdev))
1940                                 /* use PPLL0 for all DP */
1941                                 return ATOM_PPLL0;
1942                         else if (ASIC_IS_DCE5(rdev))
1943                                 /* use DCPLL for all DP */
1944                                 return ATOM_DCPLL;
1945                         else {
1946                                 /* use the same PPLL for all DP monitors */
1947                                 pll = radeon_get_shared_dp_ppll(crtc);
1948                                 if (pll != ATOM_PPLL_INVALID)
1949                                         return pll;
1950                         }
1951                 } else {
1952                         /* use the same PPLL for all monitors with the same clock */
1953                         pll = radeon_get_shared_nondp_ppll(crtc);
1954                         if (pll != ATOM_PPLL_INVALID)
1955                                 return pll;
1956                 }
1957                 /* all other cases */
1958                 pll_in_use = radeon_get_pll_use_mask(crtc);
1959                 if (!(pll_in_use & (1 << ATOM_PPLL1)))
1960                         return ATOM_PPLL1;
1961                 if (!(pll_in_use & (1 << ATOM_PPLL2)))
1962                         return ATOM_PPLL2;
1963                 DRM_ERROR("unable to allocate a PPLL\n");
1964                 return ATOM_PPLL_INVALID;
1965         } else {
1966                 /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */
1967                 /* some atombios (observed in some DCE2/DCE3) code have a bug,
1968                  * the matching btw pll and crtc is done through
1969                  * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the
1970                  * pll (1 or 2) to select which register to write. ie if using
1971                  * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2
1972                  * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to
1973                  * choose which value to write. Which is reverse order from
1974                  * register logic. So only case that works is when pllid is
1975                  * same as crtcid or when both pll and crtc are enabled and
1976                  * both use same clock.
1977                  *
1978                  * So just return crtc id as if crtc and pll were hard linked
1979                  * together even if they aren't
1980                  */
1981                 return radeon_crtc->crtc_id;
1982         }
1983 }
1984
1985 void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev)
1986 {
1987         /* always set DCPLL */
1988         if (ASIC_IS_DCE6(rdev))
1989                 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
1990         else if (ASIC_IS_DCE4(rdev)) {
1991                 struct radeon_atom_ss ss;
1992                 bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
1993                                                                    ASIC_INTERNAL_SS_ON_DCPLL,
1994                                                                    rdev->clock.default_dispclk);
1995                 if (ss_enabled)
1996                         atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, -1, &ss);
1997                 /* XXX: DCE5, make sure voltage, dispclk is high enough */
1998                 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
1999                 if (ss_enabled)
2000                         atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, -1, &ss);
2001         }
2002
2003 }
2004
2005 int atombios_crtc_mode_set(struct drm_crtc *crtc,
2006                            struct drm_display_mode *mode,
2007                            struct drm_display_mode *adjusted_mode,
2008                            int x, int y, struct drm_framebuffer *old_fb)
2009 {
2010         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
2011         struct drm_device *dev = crtc->dev;
2012         struct radeon_device *rdev = dev->dev_private;
2013         struct radeon_encoder *radeon_encoder =
2014                 to_radeon_encoder(radeon_crtc->encoder);
2015         bool is_tvcv = false;
2016
2017         if (radeon_encoder->active_device &
2018             (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
2019                 is_tvcv = true;
2020
2021         if (!radeon_crtc->adjusted_clock)
2022                 return -EINVAL;
2023
2024         atombios_crtc_set_pll(crtc, adjusted_mode);
2025
2026         if (ASIC_IS_DCE4(rdev))
2027                 atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
2028         else if (ASIC_IS_AVIVO(rdev)) {
2029                 if (is_tvcv)
2030                         atombios_crtc_set_timing(crtc, adjusted_mode);
2031                 else
2032                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
2033         } else {
2034                 atombios_crtc_set_timing(crtc, adjusted_mode);
2035                 if (radeon_crtc->crtc_id == 0)
2036                         atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
2037                 radeon_legacy_atom_fixup(crtc);
2038         }
2039         atombios_crtc_set_base(crtc, x, y, old_fb);
2040         atombios_overscan_setup(crtc, mode, adjusted_mode);
2041         atombios_scaler_setup(crtc);
2042         radeon_cursor_reset(crtc);
2043         /* update the hw version fpr dpm */
2044         radeon_crtc->hw_mode = *adjusted_mode;
2045
2046         return 0;
2047 }
2048
2049 static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
2050                                      const struct drm_display_mode *mode,
2051                                      struct drm_display_mode *adjusted_mode)
2052 {
2053         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
2054         struct drm_device *dev = crtc->dev;
2055         struct drm_encoder *encoder;
2056
2057         /* assign the encoder to the radeon crtc to avoid repeated lookups later */
2058         list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
2059                 if (encoder->crtc == crtc) {
2060                         radeon_crtc->encoder = encoder;
2061                         radeon_crtc->connector = radeon_get_connector_for_encoder(encoder);
2062                         break;
2063                 }
2064         }
2065         if ((radeon_crtc->encoder == NULL) || (radeon_crtc->connector == NULL)) {
2066                 radeon_crtc->encoder = NULL;
2067                 radeon_crtc->connector = NULL;
2068                 return false;
2069         }
2070         if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
2071                 return false;
2072         if (!atombios_crtc_prepare_pll(crtc, adjusted_mode))
2073                 return false;
2074         /* pick pll */
2075         radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
2076         /* if we can't get a PPLL for a non-DP encoder, fail */
2077         if ((radeon_crtc->pll_id == ATOM_PPLL_INVALID) &&
2078             !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder)))
2079                 return false;
2080
2081         return true;
2082 }
2083
2084 static void atombios_crtc_prepare(struct drm_crtc *crtc)
2085 {
2086         struct drm_device *dev = crtc->dev;
2087         struct radeon_device *rdev = dev->dev_private;
2088
2089         /* disable crtc pair power gating before programming */
2090         if (ASIC_IS_DCE6(rdev))
2091                 atombios_powergate_crtc(crtc, ATOM_DISABLE);
2092
2093         atombios_lock_crtc(crtc, ATOM_ENABLE);
2094         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2095 }
2096
2097 static void atombios_crtc_commit(struct drm_crtc *crtc)
2098 {
2099         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
2100         atombios_lock_crtc(crtc, ATOM_DISABLE);
2101 }
2102
2103 static void atombios_crtc_disable(struct drm_crtc *crtc)
2104 {
2105         struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
2106         struct drm_device *dev = crtc->dev;
2107         struct radeon_device *rdev = dev->dev_private;
2108         struct radeon_atom_ss ss;
2109         int i;
2110
2111         atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
2112         if (crtc->primary->fb) {
2113                 int r;
2114                 struct radeon_framebuffer *radeon_fb;
2115                 struct radeon_bo *rbo;
2116
2117                 radeon_fb = to_radeon_framebuffer(crtc->primary->fb);
2118                 rbo = gem_to_radeon_bo(radeon_fb->obj);
2119                 r = radeon_bo_reserve(rbo, false);
2120                 if (unlikely(r))
2121                         DRM_ERROR("failed to reserve rbo before unpin\n");
2122                 else {
2123                         radeon_bo_unpin(rbo);
2124                         radeon_bo_unreserve(rbo);
2125                 }
2126         }
2127         /* disable the GRPH */
2128         if (ASIC_IS_DCE4(rdev))
2129                 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 0);
2130         else if (ASIC_IS_AVIVO(rdev))
2131                 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 0);
2132
2133         if (ASIC_IS_DCE6(rdev))
2134                 atombios_powergate_crtc(crtc, ATOM_ENABLE);
2135
2136         for (i = 0; i < rdev->num_crtc; i++) {
2137                 if (rdev->mode_info.crtcs[i] &&
2138                     rdev->mode_info.crtcs[i]->enabled &&
2139                     i != radeon_crtc->crtc_id &&
2140                     radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) {
2141                         /* one other crtc is using this pll don't turn
2142                          * off the pll
2143                          */
2144                         goto done;
2145                 }
2146         }
2147
2148         switch (radeon_crtc->pll_id) {
2149         case ATOM_PPLL1:
2150         case ATOM_PPLL2:
2151                 /* disable the ppll */
2152                 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
2153                                           0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2154                 break;
2155         case ATOM_PPLL0:
2156                 /* disable the ppll */
2157                 if ((rdev->family == CHIP_ARUBA) ||
2158                     (rdev->family == CHIP_BONAIRE) ||
2159                     (rdev->family == CHIP_HAWAII))
2160                         atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
2161                                                   0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
2162                 break;
2163         default:
2164                 break;
2165         }
2166 done:
2167         radeon_crtc->pll_id = ATOM_PPLL_INVALID;
2168         radeon_crtc->adjusted_clock = 0;
2169         radeon_crtc->encoder = NULL;
2170         radeon_crtc->connector = NULL;
2171 }
2172
2173 static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
2174         .dpms = atombios_crtc_dpms,
2175         .mode_fixup = atombios_crtc_mode_fixup,
2176         .mode_set = atombios_crtc_mode_set,
2177         .mode_set_base = atombios_crtc_set_base,
2178         .mode_set_base_atomic = atombios_crtc_set_base_atomic,
2179         .prepare = atombios_crtc_prepare,
2180         .commit = atombios_crtc_commit,
2181         .load_lut = radeon_crtc_load_lut,
2182         .disable = atombios_crtc_disable,
2183 };
2184
2185 void radeon_atombios_init_crtc(struct drm_device *dev,
2186                                struct radeon_crtc *radeon_crtc)
2187 {
2188         struct radeon_device *rdev = dev->dev_private;
2189
2190         if (ASIC_IS_DCE4(rdev)) {
2191                 switch (radeon_crtc->crtc_id) {
2192                 case 0:
2193                 default:
2194                         radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
2195                         break;
2196                 case 1:
2197                         radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
2198                         break;
2199                 case 2:
2200                         radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
2201                         break;
2202                 case 3:
2203                         radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
2204                         break;
2205                 case 4:
2206                         radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
2207                         break;
2208                 case 5:
2209                         radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
2210                         break;
2211                 }
2212         } else {
2213                 if (radeon_crtc->crtc_id == 1)
2214                         radeon_crtc->crtc_offset =
2215                                 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
2216                 else
2217                         radeon_crtc->crtc_offset = 0;
2218         }
2219         radeon_crtc->pll_id = ATOM_PPLL_INVALID;
2220         radeon_crtc->adjusted_clock = 0;
2221         radeon_crtc->encoder = NULL;
2222         radeon_crtc->connector = NULL;
2223         drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
2224 }