linux/drivers/gpu/drm/radeon/atombios_crtc.c
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   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
  34static 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
  79static 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
 163static 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
 180static 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
 196static 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
 212static void atombios_blank_crtc(struct drm_crtc *crtc, int state)
 213{
 214        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 215        struct drm_device *dev = crtc->dev;
 216        struct radeon_device *rdev = dev->dev_private;
 217        int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC);
 218        BLANK_CRTC_PS_ALLOCATION args;
 219
 220        memset(&args, 0, sizeof(args));
 221
 222        args.ucCRTC = radeon_crtc->crtc_id;
 223        args.ucBlanking = state;
 224
 225        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 226}
 227
 228static void atombios_powergate_crtc(struct drm_crtc *crtc, int state)
 229{
 230        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 231        struct drm_device *dev = crtc->dev;
 232        struct radeon_device *rdev = dev->dev_private;
 233        int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating);
 234        ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args;
 235
 236        memset(&args, 0, sizeof(args));
 237
 238        args.ucDispPipeId = radeon_crtc->crtc_id;
 239        args.ucEnable = state;
 240
 241        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 242}
 243
 244void atombios_crtc_dpms(struct drm_crtc *crtc, int mode)
 245{
 246        struct drm_device *dev = crtc->dev;
 247        struct radeon_device *rdev = dev->dev_private;
 248        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 249
 250        switch (mode) {
 251        case DRM_MODE_DPMS_ON:
 252                radeon_crtc->enabled = true;
 253                /* adjust pm to dpms changes BEFORE enabling crtcs */
 254                radeon_pm_compute_clocks(rdev);
 255                atombios_enable_crtc(crtc, ATOM_ENABLE);
 256                if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
 257                        atombios_enable_crtc_memreq(crtc, ATOM_ENABLE);
 258                atombios_blank_crtc(crtc, ATOM_DISABLE);
 259                drm_vblank_post_modeset(dev, radeon_crtc->crtc_id);
 260                radeon_crtc_load_lut(crtc);
 261                break;
 262        case DRM_MODE_DPMS_STANDBY:
 263        case DRM_MODE_DPMS_SUSPEND:
 264        case DRM_MODE_DPMS_OFF:
 265                drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id);
 266                if (radeon_crtc->enabled)
 267                        atombios_blank_crtc(crtc, ATOM_ENABLE);
 268                if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev))
 269                        atombios_enable_crtc_memreq(crtc, ATOM_DISABLE);
 270                atombios_enable_crtc(crtc, ATOM_DISABLE);
 271                radeon_crtc->enabled = false;
 272                /* adjust pm to dpms changes AFTER disabling crtcs */
 273                radeon_pm_compute_clocks(rdev);
 274                break;
 275        }
 276}
 277
 278static void
 279atombios_set_crtc_dtd_timing(struct drm_crtc *crtc,
 280                             struct drm_display_mode *mode)
 281{
 282        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 283        struct drm_device *dev = crtc->dev;
 284        struct radeon_device *rdev = dev->dev_private;
 285        SET_CRTC_USING_DTD_TIMING_PARAMETERS args;
 286        int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming);
 287        u16 misc = 0;
 288
 289        memset(&args, 0, sizeof(args));
 290        args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2));
 291        args.usH_Blanking_Time =
 292                cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2));
 293        args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2));
 294        args.usV_Blanking_Time =
 295                cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2));
 296        args.usH_SyncOffset =
 297                cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border);
 298        args.usH_SyncWidth =
 299                cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
 300        args.usV_SyncOffset =
 301                cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border);
 302        args.usV_SyncWidth =
 303                cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
 304        args.ucH_Border = radeon_crtc->h_border;
 305        args.ucV_Border = radeon_crtc->v_border;
 306
 307        if (mode->flags & DRM_MODE_FLAG_NVSYNC)
 308                misc |= ATOM_VSYNC_POLARITY;
 309        if (mode->flags & DRM_MODE_FLAG_NHSYNC)
 310                misc |= ATOM_HSYNC_POLARITY;
 311        if (mode->flags & DRM_MODE_FLAG_CSYNC)
 312                misc |= ATOM_COMPOSITESYNC;
 313        if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 314                misc |= ATOM_INTERLACE;
 315        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 316                misc |= ATOM_DOUBLE_CLOCK_MODE;
 317
 318        args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
 319        args.ucCRTC = radeon_crtc->crtc_id;
 320
 321        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 322}
 323
 324static void atombios_crtc_set_timing(struct drm_crtc *crtc,
 325                                     struct drm_display_mode *mode)
 326{
 327        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 328        struct drm_device *dev = crtc->dev;
 329        struct radeon_device *rdev = dev->dev_private;
 330        SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args;
 331        int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing);
 332        u16 misc = 0;
 333
 334        memset(&args, 0, sizeof(args));
 335        args.usH_Total = cpu_to_le16(mode->crtc_htotal);
 336        args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay);
 337        args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start);
 338        args.usH_SyncWidth =
 339                cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start);
 340        args.usV_Total = cpu_to_le16(mode->crtc_vtotal);
 341        args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay);
 342        args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start);
 343        args.usV_SyncWidth =
 344                cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start);
 345
 346        args.ucOverscanRight = radeon_crtc->h_border;
 347        args.ucOverscanLeft = radeon_crtc->h_border;
 348        args.ucOverscanBottom = radeon_crtc->v_border;
 349        args.ucOverscanTop = radeon_crtc->v_border;
 350
 351        if (mode->flags & DRM_MODE_FLAG_NVSYNC)
 352                misc |= ATOM_VSYNC_POLARITY;
 353        if (mode->flags & DRM_MODE_FLAG_NHSYNC)
 354                misc |= ATOM_HSYNC_POLARITY;
 355        if (mode->flags & DRM_MODE_FLAG_CSYNC)
 356                misc |= ATOM_COMPOSITESYNC;
 357        if (mode->flags & DRM_MODE_FLAG_INTERLACE)
 358                misc |= ATOM_INTERLACE;
 359        if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
 360                misc |= ATOM_DOUBLE_CLOCK_MODE;
 361
 362        args.susModeMiscInfo.usAccess = cpu_to_le16(misc);
 363        args.ucCRTC = radeon_crtc->crtc_id;
 364
 365        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 366}
 367
 368static void atombios_disable_ss(struct radeon_device *rdev, int pll_id)
 369{
 370        u32 ss_cntl;
 371
 372        if (ASIC_IS_DCE4(rdev)) {
 373                switch (pll_id) {
 374                case ATOM_PPLL1:
 375                        ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL);
 376                        ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
 377                        WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl);
 378                        break;
 379                case ATOM_PPLL2:
 380                        ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL);
 381                        ss_cntl &= ~EVERGREEN_PxPLL_SS_EN;
 382                        WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl);
 383                        break;
 384                case ATOM_DCPLL:
 385                case ATOM_PPLL_INVALID:
 386                        return;
 387                }
 388        } else if (ASIC_IS_AVIVO(rdev)) {
 389                switch (pll_id) {
 390                case ATOM_PPLL1:
 391                        ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL);
 392                        ss_cntl &= ~1;
 393                        WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl);
 394                        break;
 395                case ATOM_PPLL2:
 396                        ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL);
 397                        ss_cntl &= ~1;
 398                        WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl);
 399                        break;
 400                case ATOM_DCPLL:
 401                case ATOM_PPLL_INVALID:
 402                        return;
 403                }
 404        }
 405}
 406
 407
 408union atom_enable_ss {
 409        ENABLE_LVDS_SS_PARAMETERS lvds_ss;
 410        ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2;
 411        ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1;
 412        ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2;
 413        ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3;
 414};
 415
 416static void atombios_crtc_program_ss(struct radeon_device *rdev,
 417                                     int enable,
 418                                     int pll_id,
 419                                     int crtc_id,
 420                                     struct radeon_atom_ss *ss)
 421{
 422        unsigned i;
 423        int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL);
 424        union atom_enable_ss args;
 425
 426        if (!enable) {
 427                for (i = 0; i < rdev->num_crtc; i++) {
 428                        if (rdev->mode_info.crtcs[i] &&
 429                            rdev->mode_info.crtcs[i]->enabled &&
 430                            i != crtc_id &&
 431                            pll_id == rdev->mode_info.crtcs[i]->pll_id) {
 432                                /* one other crtc is using this pll don't turn
 433                                 * off spread spectrum as it might turn off
 434                                 * display on active crtc
 435                                 */
 436                                return;
 437                        }
 438                }
 439        }
 440
 441        memset(&args, 0, sizeof(args));
 442
 443        if (ASIC_IS_DCE5(rdev)) {
 444                args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0);
 445                args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 446                switch (pll_id) {
 447                case ATOM_PPLL1:
 448                        args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL;
 449                        break;
 450                case ATOM_PPLL2:
 451                        args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL;
 452                        break;
 453                case ATOM_DCPLL:
 454                        args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL;
 455                        break;
 456                case ATOM_PPLL_INVALID:
 457                        return;
 458                }
 459                args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
 460                args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 461                args.v3.ucEnable = enable;
 462                if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE61(rdev))
 463                        args.v3.ucEnable = ATOM_DISABLE;
 464        } else if (ASIC_IS_DCE4(rdev)) {
 465                args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 466                args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 467                switch (pll_id) {
 468                case ATOM_PPLL1:
 469                        args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL;
 470                        break;
 471                case ATOM_PPLL2:
 472                        args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL;
 473                        break;
 474                case ATOM_DCPLL:
 475                        args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL;
 476                        break;
 477                case ATOM_PPLL_INVALID:
 478                        return;
 479                }
 480                args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount);
 481                args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step);
 482                args.v2.ucEnable = enable;
 483                if ((ss->percentage == 0) || (ss->type & ATOM_EXTERNAL_SS_MASK) || ASIC_IS_DCE41(rdev))
 484                        args.v2.ucEnable = ATOM_DISABLE;
 485        } else if (ASIC_IS_DCE3(rdev)) {
 486                args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 487                args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 488                args.v1.ucSpreadSpectrumStep = ss->step;
 489                args.v1.ucSpreadSpectrumDelay = ss->delay;
 490                args.v1.ucSpreadSpectrumRange = ss->range;
 491                args.v1.ucPpll = pll_id;
 492                args.v1.ucEnable = enable;
 493        } else if (ASIC_IS_AVIVO(rdev)) {
 494                if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
 495                    (ss->type & ATOM_EXTERNAL_SS_MASK)) {
 496                        atombios_disable_ss(rdev, pll_id);
 497                        return;
 498                }
 499                args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 500                args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 501                args.lvds_ss_2.ucSpreadSpectrumStep = ss->step;
 502                args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay;
 503                args.lvds_ss_2.ucSpreadSpectrumRange = ss->range;
 504                args.lvds_ss_2.ucEnable = enable;
 505        } else {
 506                if ((enable == ATOM_DISABLE) || (ss->percentage == 0) ||
 507                    (ss->type & ATOM_EXTERNAL_SS_MASK)) {
 508                        atombios_disable_ss(rdev, pll_id);
 509                        return;
 510                }
 511                args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage);
 512                args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK;
 513                args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2;
 514                args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4;
 515                args.lvds_ss.ucEnable = enable;
 516        }
 517        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 518}
 519
 520union adjust_pixel_clock {
 521        ADJUST_DISPLAY_PLL_PS_ALLOCATION v1;
 522        ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3;
 523};
 524
 525static u32 atombios_adjust_pll(struct drm_crtc *crtc,
 526                               struct drm_display_mode *mode)
 527{
 528        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 529        struct drm_device *dev = crtc->dev;
 530        struct radeon_device *rdev = dev->dev_private;
 531        struct drm_encoder *encoder = radeon_crtc->encoder;
 532        struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder);
 533        struct drm_connector *connector = radeon_get_connector_for_encoder(encoder);
 534        u32 adjusted_clock = mode->clock;
 535        int encoder_mode = atombios_get_encoder_mode(encoder);
 536        u32 dp_clock = mode->clock;
 537        int bpc = radeon_get_monitor_bpc(connector);
 538        bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock);
 539
 540        /* reset the pll flags */
 541        radeon_crtc->pll_flags = 0;
 542
 543        if (ASIC_IS_AVIVO(rdev)) {
 544                if ((rdev->family == CHIP_RS600) ||
 545                    (rdev->family == CHIP_RS690) ||
 546                    (rdev->family == CHIP_RS740))
 547                        radeon_crtc->pll_flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/
 548                                RADEON_PLL_PREFER_CLOSEST_LOWER);
 549
 550                if (ASIC_IS_DCE32(rdev) && mode->clock > 200000)        /* range limits??? */
 551                        radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
 552                else
 553                        radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 554
 555                if (rdev->family < CHIP_RV770)
 556                        radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP;
 557                /* use frac fb div on APUs */
 558                if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev))
 559                        radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 560                if (ASIC_IS_DCE32(rdev) && mode->clock > 165000)
 561                        radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 562        } else {
 563                radeon_crtc->pll_flags |= RADEON_PLL_LEGACY;
 564
 565                if (mode->clock > 200000)       /* range limits??? */
 566                        radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV;
 567                else
 568                        radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV;
 569        }
 570
 571        if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
 572            (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) {
 573                if (connector) {
 574                        struct radeon_connector *radeon_connector = to_radeon_connector(connector);
 575                        struct radeon_connector_atom_dig *dig_connector =
 576                                radeon_connector->con_priv;
 577
 578                        dp_clock = dig_connector->dp_clock;
 579                }
 580        }
 581
 582        /* use recommended ref_div for ss */
 583        if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) {
 584                if (radeon_crtc->ss_enabled) {
 585                        if (radeon_crtc->ss.refdiv) {
 586                                radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
 587                                radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv;
 588                                if (ASIC_IS_AVIVO(rdev))
 589                                        radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 590                        }
 591                }
 592        }
 593
 594        if (ASIC_IS_AVIVO(rdev)) {
 595                /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */
 596                if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1)
 597                        adjusted_clock = mode->clock * 2;
 598                if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
 599                        radeon_crtc->pll_flags |= RADEON_PLL_PREFER_CLOSEST_LOWER;
 600                if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT))
 601                        radeon_crtc->pll_flags |= RADEON_PLL_IS_LCD;
 602        } else {
 603                if (encoder->encoder_type != DRM_MODE_ENCODER_DAC)
 604                        radeon_crtc->pll_flags |= RADEON_PLL_NO_ODD_POST_DIV;
 605                if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS)
 606                        radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
 607        }
 608
 609        /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock
 610         * accordingly based on the encoder/transmitter to work around
 611         * special hw requirements.
 612         */
 613        if (ASIC_IS_DCE3(rdev)) {
 614                union adjust_pixel_clock args;
 615                u8 frev, crev;
 616                int index;
 617
 618                index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll);
 619                if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 620                                           &crev))
 621                        return adjusted_clock;
 622
 623                memset(&args, 0, sizeof(args));
 624
 625                switch (frev) {
 626                case 1:
 627                        switch (crev) {
 628                        case 1:
 629                        case 2:
 630                                args.v1.usPixelClock = cpu_to_le16(mode->clock / 10);
 631                                args.v1.ucTransmitterID = radeon_encoder->encoder_id;
 632                                args.v1.ucEncodeMode = encoder_mode;
 633                                if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage)
 634                                        args.v1.ucConfig |=
 635                                                ADJUST_DISPLAY_CONFIG_SS_ENABLE;
 636
 637                                atom_execute_table(rdev->mode_info.atom_context,
 638                                                   index, (uint32_t *)&args);
 639                                adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10;
 640                                break;
 641                        case 3:
 642                                args.v3.sInput.usPixelClock = cpu_to_le16(mode->clock / 10);
 643                                args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id;
 644                                args.v3.sInput.ucEncodeMode = encoder_mode;
 645                                args.v3.sInput.ucDispPllConfig = 0;
 646                                if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage)
 647                                        args.v3.sInput.ucDispPllConfig |=
 648                                                DISPPLL_CONFIG_SS_ENABLE;
 649                                if (ENCODER_MODE_IS_DP(encoder_mode)) {
 650                                        args.v3.sInput.ucDispPllConfig |=
 651                                                DISPPLL_CONFIG_COHERENT_MODE;
 652                                        /* 16200 or 27000 */
 653                                        args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10);
 654                                } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) {
 655                                        struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 656                                        if (encoder_mode == ATOM_ENCODER_MODE_HDMI)
 657                                                /* deep color support */
 658                                                args.v3.sInput.usPixelClock =
 659                                                        cpu_to_le16((mode->clock * bpc / 8) / 10);
 660                                        if (dig->coherent_mode)
 661                                                args.v3.sInput.ucDispPllConfig |=
 662                                                        DISPPLL_CONFIG_COHERENT_MODE;
 663                                        if (is_duallink)
 664                                                args.v3.sInput.ucDispPllConfig |=
 665                                                        DISPPLL_CONFIG_DUAL_LINK;
 666                                }
 667                                if (radeon_encoder_get_dp_bridge_encoder_id(encoder) !=
 668                                    ENCODER_OBJECT_ID_NONE)
 669                                        args.v3.sInput.ucExtTransmitterID =
 670                                                radeon_encoder_get_dp_bridge_encoder_id(encoder);
 671                                else
 672                                        args.v3.sInput.ucExtTransmitterID = 0;
 673
 674                                atom_execute_table(rdev->mode_info.atom_context,
 675                                                   index, (uint32_t *)&args);
 676                                adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10;
 677                                if (args.v3.sOutput.ucRefDiv) {
 678                                        radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 679                                        radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV;
 680                                        radeon_crtc->pll_reference_div = args.v3.sOutput.ucRefDiv;
 681                                }
 682                                if (args.v3.sOutput.ucPostDiv) {
 683                                        radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV;
 684                                        radeon_crtc->pll_flags |= RADEON_PLL_USE_POST_DIV;
 685                                        radeon_crtc->pll_post_div = args.v3.sOutput.ucPostDiv;
 686                                }
 687                                break;
 688                        default:
 689                                DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 690                                return adjusted_clock;
 691                        }
 692                        break;
 693                default:
 694                        DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 695                        return adjusted_clock;
 696                }
 697        }
 698        return adjusted_clock;
 699}
 700
 701union set_pixel_clock {
 702        SET_PIXEL_CLOCK_PS_ALLOCATION base;
 703        PIXEL_CLOCK_PARAMETERS v1;
 704        PIXEL_CLOCK_PARAMETERS_V2 v2;
 705        PIXEL_CLOCK_PARAMETERS_V3 v3;
 706        PIXEL_CLOCK_PARAMETERS_V5 v5;
 707        PIXEL_CLOCK_PARAMETERS_V6 v6;
 708};
 709
 710/* on DCE5, make sure the voltage is high enough to support the
 711 * required disp clk.
 712 */
 713static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev,
 714                                    u32 dispclk)
 715{
 716        u8 frev, crev;
 717        int index;
 718        union set_pixel_clock args;
 719
 720        memset(&args, 0, sizeof(args));
 721
 722        index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 723        if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 724                                   &crev))
 725                return;
 726
 727        switch (frev) {
 728        case 1:
 729                switch (crev) {
 730                case 5:
 731                        /* if the default dcpll clock is specified,
 732                         * SetPixelClock provides the dividers
 733                         */
 734                        args.v5.ucCRTC = ATOM_CRTC_INVALID;
 735                        args.v5.usPixelClock = cpu_to_le16(dispclk);
 736                        args.v5.ucPpll = ATOM_DCPLL;
 737                        break;
 738                case 6:
 739                        /* if the default dcpll clock is specified,
 740                         * SetPixelClock provides the dividers
 741                         */
 742                        args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk);
 743                        if (ASIC_IS_DCE61(rdev))
 744                                args.v6.ucPpll = ATOM_EXT_PLL1;
 745                        else if (ASIC_IS_DCE6(rdev))
 746                                args.v6.ucPpll = ATOM_PPLL0;
 747                        else
 748                                args.v6.ucPpll = ATOM_DCPLL;
 749                        break;
 750                default:
 751                        DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 752                        return;
 753                }
 754                break;
 755        default:
 756                DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 757                return;
 758        }
 759        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 760}
 761
 762static void atombios_crtc_program_pll(struct drm_crtc *crtc,
 763                                      u32 crtc_id,
 764                                      int pll_id,
 765                                      u32 encoder_mode,
 766                                      u32 encoder_id,
 767                                      u32 clock,
 768                                      u32 ref_div,
 769                                      u32 fb_div,
 770                                      u32 frac_fb_div,
 771                                      u32 post_div,
 772                                      int bpc,
 773                                      bool ss_enabled,
 774                                      struct radeon_atom_ss *ss)
 775{
 776        struct drm_device *dev = crtc->dev;
 777        struct radeon_device *rdev = dev->dev_private;
 778        u8 frev, crev;
 779        int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock);
 780        union set_pixel_clock args;
 781
 782        memset(&args, 0, sizeof(args));
 783
 784        if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev,
 785                                   &crev))
 786                return;
 787
 788        switch (frev) {
 789        case 1:
 790                switch (crev) {
 791                case 1:
 792                        if (clock == ATOM_DISABLE)
 793                                return;
 794                        args.v1.usPixelClock = cpu_to_le16(clock / 10);
 795                        args.v1.usRefDiv = cpu_to_le16(ref_div);
 796                        args.v1.usFbDiv = cpu_to_le16(fb_div);
 797                        args.v1.ucFracFbDiv = frac_fb_div;
 798                        args.v1.ucPostDiv = post_div;
 799                        args.v1.ucPpll = pll_id;
 800                        args.v1.ucCRTC = crtc_id;
 801                        args.v1.ucRefDivSrc = 1;
 802                        break;
 803                case 2:
 804                        args.v2.usPixelClock = cpu_to_le16(clock / 10);
 805                        args.v2.usRefDiv = cpu_to_le16(ref_div);
 806                        args.v2.usFbDiv = cpu_to_le16(fb_div);
 807                        args.v2.ucFracFbDiv = frac_fb_div;
 808                        args.v2.ucPostDiv = post_div;
 809                        args.v2.ucPpll = pll_id;
 810                        args.v2.ucCRTC = crtc_id;
 811                        args.v2.ucRefDivSrc = 1;
 812                        break;
 813                case 3:
 814                        args.v3.usPixelClock = cpu_to_le16(clock / 10);
 815                        args.v3.usRefDiv = cpu_to_le16(ref_div);
 816                        args.v3.usFbDiv = cpu_to_le16(fb_div);
 817                        args.v3.ucFracFbDiv = frac_fb_div;
 818                        args.v3.ucPostDiv = post_div;
 819                        args.v3.ucPpll = pll_id;
 820                        if (crtc_id == ATOM_CRTC2)
 821                                args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2;
 822                        else
 823                                args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1;
 824                        if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 825                                args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC;
 826                        args.v3.ucTransmitterId = encoder_id;
 827                        args.v3.ucEncoderMode = encoder_mode;
 828                        break;
 829                case 5:
 830                        args.v5.ucCRTC = crtc_id;
 831                        args.v5.usPixelClock = cpu_to_le16(clock / 10);
 832                        args.v5.ucRefDiv = ref_div;
 833                        args.v5.usFbDiv = cpu_to_le16(fb_div);
 834                        args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 835                        args.v5.ucPostDiv = post_div;
 836                        args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */
 837                        if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 838                                args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC;
 839                        switch (bpc) {
 840                        case 8:
 841                        default:
 842                                args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP;
 843                                break;
 844                        case 10:
 845                                args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP;
 846                                break;
 847                        }
 848                        args.v5.ucTransmitterID = encoder_id;
 849                        args.v5.ucEncoderMode = encoder_mode;
 850                        args.v5.ucPpll = pll_id;
 851                        break;
 852                case 6:
 853                        args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10);
 854                        args.v6.ucRefDiv = ref_div;
 855                        args.v6.usFbDiv = cpu_to_le16(fb_div);
 856                        args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000);
 857                        args.v6.ucPostDiv = post_div;
 858                        args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */
 859                        if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK))
 860                                args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC;
 861                        switch (bpc) {
 862                        case 8:
 863                        default:
 864                                args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP;
 865                                break;
 866                        case 10:
 867                                args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP;
 868                                break;
 869                        case 12:
 870                                args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP;
 871                                break;
 872                        case 16:
 873                                args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP;
 874                                break;
 875                        }
 876                        args.v6.ucTransmitterID = encoder_id;
 877                        args.v6.ucEncoderMode = encoder_mode;
 878                        args.v6.ucPpll = pll_id;
 879                        break;
 880                default:
 881                        DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 882                        return;
 883                }
 884                break;
 885        default:
 886                DRM_ERROR("Unknown table version %d %d\n", frev, crev);
 887                return;
 888        }
 889
 890        atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args);
 891}
 892
 893static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 894{
 895        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 896        struct drm_device *dev = crtc->dev;
 897        struct radeon_device *rdev = dev->dev_private;
 898        struct radeon_encoder *radeon_encoder =
 899                to_radeon_encoder(radeon_crtc->encoder);
 900        int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder);
 901
 902        radeon_crtc->bpc = 8;
 903        radeon_crtc->ss_enabled = false;
 904
 905        if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) ||
 906            (radeon_encoder_get_dp_bridge_encoder_id(radeon_crtc->encoder) != ENCODER_OBJECT_ID_NONE)) {
 907                struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv;
 908                struct drm_connector *connector =
 909                        radeon_get_connector_for_encoder(radeon_crtc->encoder);
 910                struct radeon_connector *radeon_connector =
 911                        to_radeon_connector(connector);
 912                struct radeon_connector_atom_dig *dig_connector =
 913                        radeon_connector->con_priv;
 914                int dp_clock;
 915                radeon_crtc->bpc = radeon_get_monitor_bpc(connector);
 916
 917                switch (encoder_mode) {
 918                case ATOM_ENCODER_MODE_DP_MST:
 919                case ATOM_ENCODER_MODE_DP:
 920                        /* DP/eDP */
 921                        dp_clock = dig_connector->dp_clock / 10;
 922                        if (ASIC_IS_DCE4(rdev))
 923                                radeon_crtc->ss_enabled =
 924                                        radeon_atombios_get_asic_ss_info(rdev, &radeon_crtc->ss,
 925                                                                         ASIC_INTERNAL_SS_ON_DP,
 926                                                                         dp_clock);
 927                        else {
 928                                if (dp_clock == 16200) {
 929                                        radeon_crtc->ss_enabled =
 930                                                radeon_atombios_get_ppll_ss_info(rdev,
 931                                                                                 &radeon_crtc->ss,
 932                                                                                 ATOM_DP_SS_ID2);
 933                                        if (!radeon_crtc->ss_enabled)
 934                                                radeon_crtc->ss_enabled =
 935                                                        radeon_atombios_get_ppll_ss_info(rdev,
 936                                                                                         &radeon_crtc->ss,
 937                                                                                         ATOM_DP_SS_ID1);
 938                                } else
 939                                        radeon_crtc->ss_enabled =
 940                                                radeon_atombios_get_ppll_ss_info(rdev,
 941                                                                                 &radeon_crtc->ss,
 942                                                                                 ATOM_DP_SS_ID1);
 943                        }
 944                        break;
 945                case ATOM_ENCODER_MODE_LVDS:
 946                        if (ASIC_IS_DCE4(rdev))
 947                                radeon_crtc->ss_enabled =
 948                                        radeon_atombios_get_asic_ss_info(rdev,
 949                                                                         &radeon_crtc->ss,
 950                                                                         dig->lcd_ss_id,
 951                                                                         mode->clock / 10);
 952                        else
 953                                radeon_crtc->ss_enabled =
 954                                        radeon_atombios_get_ppll_ss_info(rdev,
 955                                                                         &radeon_crtc->ss,
 956                                                                         dig->lcd_ss_id);
 957                        break;
 958                case ATOM_ENCODER_MODE_DVI:
 959                        if (ASIC_IS_DCE4(rdev))
 960                                radeon_crtc->ss_enabled =
 961                                        radeon_atombios_get_asic_ss_info(rdev,
 962                                                                         &radeon_crtc->ss,
 963                                                                         ASIC_INTERNAL_SS_ON_TMDS,
 964                                                                         mode->clock / 10);
 965                        break;
 966                case ATOM_ENCODER_MODE_HDMI:
 967                        if (ASIC_IS_DCE4(rdev))
 968                                radeon_crtc->ss_enabled =
 969                                        radeon_atombios_get_asic_ss_info(rdev,
 970                                                                         &radeon_crtc->ss,
 971                                                                         ASIC_INTERNAL_SS_ON_HDMI,
 972                                                                         mode->clock / 10);
 973                        break;
 974                default:
 975                        break;
 976                }
 977        }
 978
 979        /* adjust pixel clock as needed */
 980        radeon_crtc->adjusted_clock = atombios_adjust_pll(crtc, mode);
 981
 982        return true;
 983}
 984
 985static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode)
 986{
 987        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
 988        struct drm_device *dev = crtc->dev;
 989        struct radeon_device *rdev = dev->dev_private;
 990        struct radeon_encoder *radeon_encoder =
 991                to_radeon_encoder(radeon_crtc->encoder);
 992        u32 pll_clock = mode->clock;
 993        u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0;
 994        struct radeon_pll *pll;
 995        int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder);
 996
 997        switch (radeon_crtc->pll_id) {
 998        case ATOM_PPLL1:
 999                pll = &rdev->clock.p1pll;
1000                break;
1001        case ATOM_PPLL2:
1002                pll = &rdev->clock.p2pll;
1003                break;
1004        case ATOM_DCPLL:
1005        case ATOM_PPLL_INVALID:
1006        default:
1007                pll = &rdev->clock.dcpll;
1008                break;
1009        }
1010
1011        /* update pll params */
1012        pll->flags = radeon_crtc->pll_flags;
1013        pll->reference_div = radeon_crtc->pll_reference_div;
1014        pll->post_div = radeon_crtc->pll_post_div;
1015
1016        if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT))
1017                /* TV seems to prefer the legacy algo on some boards */
1018                radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock,
1019                                          &fb_div, &frac_fb_div, &ref_div, &post_div);
1020        else if (ASIC_IS_AVIVO(rdev))
1021                radeon_compute_pll_avivo(pll, radeon_crtc->adjusted_clock, &pll_clock,
1022                                         &fb_div, &frac_fb_div, &ref_div, &post_div);
1023        else
1024                radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock,
1025                                          &fb_div, &frac_fb_div, &ref_div, &post_div);
1026
1027        atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id,
1028                                 radeon_crtc->crtc_id, &radeon_crtc->ss);
1029
1030        atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1031                                  encoder_mode, radeon_encoder->encoder_id, mode->clock,
1032                                  ref_div, fb_div, frac_fb_div, post_div,
1033                                  radeon_crtc->bpc, radeon_crtc->ss_enabled, &radeon_crtc->ss);
1034
1035        if (radeon_crtc->ss_enabled) {
1036                /* calculate ss amount and step size */
1037                if (ASIC_IS_DCE4(rdev)) {
1038                        u32 step_size;
1039                        u32 amount = (((fb_div * 10) + frac_fb_div) * radeon_crtc->ss.percentage) / 10000;
1040                        radeon_crtc->ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK;
1041                        radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) &
1042                                ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK;
1043                        if (radeon_crtc->ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD)
1044                                step_size = (4 * amount * ref_div * (radeon_crtc->ss.rate * 2048)) /
1045                                        (125 * 25 * pll->reference_freq / 100);
1046                        else
1047                                step_size = (2 * amount * ref_div * (radeon_crtc->ss.rate * 2048)) /
1048                                        (125 * 25 * pll->reference_freq / 100);
1049                        radeon_crtc->ss.step = step_size;
1050                }
1051
1052                atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id,
1053                                         radeon_crtc->crtc_id, &radeon_crtc->ss);
1054        }
1055}
1056
1057static int dce4_crtc_do_set_base(struct drm_crtc *crtc,
1058                                 struct drm_framebuffer *fb,
1059                                 int x, int y, int atomic)
1060{
1061        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1062        struct drm_device *dev = crtc->dev;
1063        struct radeon_device *rdev = dev->dev_private;
1064        struct radeon_framebuffer *radeon_fb;
1065        struct drm_framebuffer *target_fb;
1066        struct drm_gem_object *obj;
1067        struct radeon_bo *rbo;
1068        uint64_t fb_location;
1069        uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1070        unsigned bankw, bankh, mtaspect, tile_split;
1071        u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE);
1072        u32 tmp, viewport_w, viewport_h;
1073        int r;
1074
1075        /* no fb bound */
1076        if (!atomic && !crtc->fb) {
1077                DRM_DEBUG_KMS("No FB bound\n");
1078                return 0;
1079        }
1080
1081        if (atomic) {
1082                radeon_fb = to_radeon_framebuffer(fb);
1083                target_fb = fb;
1084        }
1085        else {
1086                radeon_fb = to_radeon_framebuffer(crtc->fb);
1087                target_fb = crtc->fb;
1088        }
1089
1090        /* If atomic, assume fb object is pinned & idle & fenced and
1091         * just update base pointers
1092         */
1093        obj = radeon_fb->obj;
1094        rbo = gem_to_radeon_bo(obj);
1095        r = radeon_bo_reserve(rbo, false);
1096        if (unlikely(r != 0))
1097                return r;
1098
1099        if (atomic)
1100                fb_location = radeon_bo_gpu_offset(rbo);
1101        else {
1102                r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1103                if (unlikely(r != 0)) {
1104                        radeon_bo_unreserve(rbo);
1105                        return -EINVAL;
1106                }
1107        }
1108
1109        radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1110        radeon_bo_unreserve(rbo);
1111
1112        switch (target_fb->bits_per_pixel) {
1113        case 8:
1114                fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) |
1115                             EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED));
1116                break;
1117        case 15:
1118                fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1119                             EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555));
1120                break;
1121        case 16:
1122                fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) |
1123                             EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565));
1124#ifdef __BIG_ENDIAN
1125                fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16);
1126#endif
1127                break;
1128        case 24:
1129        case 32:
1130                fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) |
1131                             EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888));
1132#ifdef __BIG_ENDIAN
1133                fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32);
1134#endif
1135                break;
1136        default:
1137                DRM_ERROR("Unsupported screen depth %d\n",
1138                          target_fb->bits_per_pixel);
1139                return -EINVAL;
1140        }
1141
1142        if (tiling_flags & RADEON_TILING_MACRO) {
1143                if (rdev->family >= CHIP_TAHITI)
1144                        tmp = rdev->config.si.tile_config;
1145                else if (rdev->family >= CHIP_CAYMAN)
1146                        tmp = rdev->config.cayman.tile_config;
1147                else
1148                        tmp = rdev->config.evergreen.tile_config;
1149
1150                switch ((tmp & 0xf0) >> 4) {
1151                case 0: /* 4 banks */
1152                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK);
1153                        break;
1154                case 1: /* 8 banks */
1155                default:
1156                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK);
1157                        break;
1158                case 2: /* 16 banks */
1159                        fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK);
1160                        break;
1161                }
1162
1163                fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1);
1164
1165                evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split);
1166                fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split);
1167                fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw);
1168                fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh);
1169                fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect);
1170        } else if (tiling_flags & RADEON_TILING_MICRO)
1171                fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1);
1172
1173        if ((rdev->family == CHIP_TAHITI) ||
1174            (rdev->family == CHIP_PITCAIRN))
1175                fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16);
1176        else if (rdev->family == CHIP_VERDE)
1177                fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16);
1178
1179        switch (radeon_crtc->crtc_id) {
1180        case 0:
1181                WREG32(AVIVO_D1VGA_CONTROL, 0);
1182                break;
1183        case 1:
1184                WREG32(AVIVO_D2VGA_CONTROL, 0);
1185                break;
1186        case 2:
1187                WREG32(EVERGREEN_D3VGA_CONTROL, 0);
1188                break;
1189        case 3:
1190                WREG32(EVERGREEN_D4VGA_CONTROL, 0);
1191                break;
1192        case 4:
1193                WREG32(EVERGREEN_D5VGA_CONTROL, 0);
1194                break;
1195        case 5:
1196                WREG32(EVERGREEN_D6VGA_CONTROL, 0);
1197                break;
1198        default:
1199                break;
1200        }
1201
1202        WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1203               upper_32_bits(fb_location));
1204        WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset,
1205               upper_32_bits(fb_location));
1206        WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1207               (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1208        WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1209               (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK);
1210        WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1211        WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1212
1213        WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1214        WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1215        WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0);
1216        WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1217        WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1218        WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1219
1220        fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
1221        WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1222        WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1223
1224        WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1225               target_fb->height);
1226        x &= ~3;
1227        y &= ~1;
1228        WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset,
1229               (x << 16) | y);
1230        viewport_w = crtc->mode.hdisplay;
1231        viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1232        WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1233               (viewport_w << 16) | viewport_h);
1234
1235        /* pageflip setup */
1236        /* make sure flip is at vb rather than hb */
1237        tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
1238        tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN;
1239        WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
1240
1241        /* set pageflip to happen anywhere in vblank interval */
1242        WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
1243
1244        if (!atomic && fb && fb != crtc->fb) {
1245                radeon_fb = to_radeon_framebuffer(fb);
1246                rbo = gem_to_radeon_bo(radeon_fb->obj);
1247                r = radeon_bo_reserve(rbo, false);
1248                if (unlikely(r != 0))
1249                        return r;
1250                radeon_bo_unpin(rbo);
1251                radeon_bo_unreserve(rbo);
1252        }
1253
1254        /* Bytes per pixel may have changed */
1255        radeon_bandwidth_update(rdev);
1256
1257        return 0;
1258}
1259
1260static int avivo_crtc_do_set_base(struct drm_crtc *crtc,
1261                                  struct drm_framebuffer *fb,
1262                                  int x, int y, int atomic)
1263{
1264        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1265        struct drm_device *dev = crtc->dev;
1266        struct radeon_device *rdev = dev->dev_private;
1267        struct radeon_framebuffer *radeon_fb;
1268        struct drm_gem_object *obj;
1269        struct radeon_bo *rbo;
1270        struct drm_framebuffer *target_fb;
1271        uint64_t fb_location;
1272        uint32_t fb_format, fb_pitch_pixels, tiling_flags;
1273        u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE;
1274        u32 tmp, viewport_w, viewport_h;
1275        int r;
1276
1277        /* no fb bound */
1278        if (!atomic && !crtc->fb) {
1279                DRM_DEBUG_KMS("No FB bound\n");
1280                return 0;
1281        }
1282
1283        if (atomic) {
1284                radeon_fb = to_radeon_framebuffer(fb);
1285                target_fb = fb;
1286        }
1287        else {
1288                radeon_fb = to_radeon_framebuffer(crtc->fb);
1289                target_fb = crtc->fb;
1290        }
1291
1292        obj = radeon_fb->obj;
1293        rbo = gem_to_radeon_bo(obj);
1294        r = radeon_bo_reserve(rbo, false);
1295        if (unlikely(r != 0))
1296                return r;
1297
1298        /* If atomic, assume fb object is pinned & idle & fenced and
1299         * just update base pointers
1300         */
1301        if (atomic)
1302                fb_location = radeon_bo_gpu_offset(rbo);
1303        else {
1304                r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location);
1305                if (unlikely(r != 0)) {
1306                        radeon_bo_unreserve(rbo);
1307                        return -EINVAL;
1308                }
1309        }
1310        radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL);
1311        radeon_bo_unreserve(rbo);
1312
1313        switch (target_fb->bits_per_pixel) {
1314        case 8:
1315                fb_format =
1316                    AVIVO_D1GRPH_CONTROL_DEPTH_8BPP |
1317                    AVIVO_D1GRPH_CONTROL_8BPP_INDEXED;
1318                break;
1319        case 15:
1320                fb_format =
1321                    AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1322                    AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555;
1323                break;
1324        case 16:
1325                fb_format =
1326                    AVIVO_D1GRPH_CONTROL_DEPTH_16BPP |
1327                    AVIVO_D1GRPH_CONTROL_16BPP_RGB565;
1328#ifdef __BIG_ENDIAN
1329                fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT;
1330#endif
1331                break;
1332        case 24:
1333        case 32:
1334                fb_format =
1335                    AVIVO_D1GRPH_CONTROL_DEPTH_32BPP |
1336                    AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888;
1337#ifdef __BIG_ENDIAN
1338                fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT;
1339#endif
1340                break;
1341        default:
1342                DRM_ERROR("Unsupported screen depth %d\n",
1343                          target_fb->bits_per_pixel);
1344                return -EINVAL;
1345        }
1346
1347        if (rdev->family >= CHIP_R600) {
1348                if (tiling_flags & RADEON_TILING_MACRO)
1349                        fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1;
1350                else if (tiling_flags & RADEON_TILING_MICRO)
1351                        fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1;
1352        } else {
1353                if (tiling_flags & RADEON_TILING_MACRO)
1354                        fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE;
1355
1356                if (tiling_flags & RADEON_TILING_MICRO)
1357                        fb_format |= AVIVO_D1GRPH_TILED;
1358        }
1359
1360        if (radeon_crtc->crtc_id == 0)
1361                WREG32(AVIVO_D1VGA_CONTROL, 0);
1362        else
1363                WREG32(AVIVO_D2VGA_CONTROL, 0);
1364
1365        if (rdev->family >= CHIP_RV770) {
1366                if (radeon_crtc->crtc_id) {
1367                        WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1368                        WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1369                } else {
1370                        WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1371                        WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location));
1372                }
1373        }
1374        WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset,
1375               (u32) fb_location);
1376        WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS +
1377               radeon_crtc->crtc_offset, (u32) fb_location);
1378        WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format);
1379        if (rdev->family >= CHIP_R600)
1380                WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap);
1381
1382        WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0);
1383        WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0);
1384        WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0);
1385        WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0);
1386        WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width);
1387        WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height);
1388
1389        fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8);
1390        WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels);
1391        WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1);
1392
1393        WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset,
1394               target_fb->height);
1395        x &= ~3;
1396        y &= ~1;
1397        WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset,
1398               (x << 16) | y);
1399        viewport_w = crtc->mode.hdisplay;
1400        viewport_h = (crtc->mode.vdisplay + 1) & ~1;
1401        WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset,
1402               (viewport_w << 16) | viewport_h);
1403
1404        /* pageflip setup */
1405        /* make sure flip is at vb rather than hb */
1406        tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset);
1407        tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN;
1408        WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp);
1409
1410        /* set pageflip to happen anywhere in vblank interval */
1411        WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0);
1412
1413        if (!atomic && fb && fb != crtc->fb) {
1414                radeon_fb = to_radeon_framebuffer(fb);
1415                rbo = gem_to_radeon_bo(radeon_fb->obj);
1416                r = radeon_bo_reserve(rbo, false);
1417                if (unlikely(r != 0))
1418                        return r;
1419                radeon_bo_unpin(rbo);
1420                radeon_bo_unreserve(rbo);
1421        }
1422
1423        /* Bytes per pixel may have changed */
1424        radeon_bandwidth_update(rdev);
1425
1426        return 0;
1427}
1428
1429int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y,
1430                           struct drm_framebuffer *old_fb)
1431{
1432        struct drm_device *dev = crtc->dev;
1433        struct radeon_device *rdev = dev->dev_private;
1434
1435        if (ASIC_IS_DCE4(rdev))
1436                return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0);
1437        else if (ASIC_IS_AVIVO(rdev))
1438                return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0);
1439        else
1440                return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0);
1441}
1442
1443int atombios_crtc_set_base_atomic(struct drm_crtc *crtc,
1444                                  struct drm_framebuffer *fb,
1445                                  int x, int y, enum mode_set_atomic state)
1446{
1447       struct drm_device *dev = crtc->dev;
1448       struct radeon_device *rdev = dev->dev_private;
1449
1450        if (ASIC_IS_DCE4(rdev))
1451                return dce4_crtc_do_set_base(crtc, fb, x, y, 1);
1452        else if (ASIC_IS_AVIVO(rdev))
1453                return avivo_crtc_do_set_base(crtc, fb, x, y, 1);
1454        else
1455                return radeon_crtc_do_set_base(crtc, fb, x, y, 1);
1456}
1457
1458/* properly set additional regs when using atombios */
1459static void radeon_legacy_atom_fixup(struct drm_crtc *crtc)
1460{
1461        struct drm_device *dev = crtc->dev;
1462        struct radeon_device *rdev = dev->dev_private;
1463        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1464        u32 disp_merge_cntl;
1465
1466        switch (radeon_crtc->crtc_id) {
1467        case 0:
1468                disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL);
1469                disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN;
1470                WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl);
1471                break;
1472        case 1:
1473                disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL);
1474                disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN;
1475                WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl);
1476                WREG32(RADEON_FP_H2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_H_SYNC_STRT_WID));
1477                WREG32(RADEON_FP_V2_SYNC_STRT_WID,   RREG32(RADEON_CRTC2_V_SYNC_STRT_WID));
1478                break;
1479        }
1480}
1481
1482/**
1483 * radeon_get_pll_use_mask - look up a mask of which pplls are in use
1484 *
1485 * @crtc: drm crtc
1486 *
1487 * Returns the mask of which PPLLs (Pixel PLLs) are in use.
1488 */
1489static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc)
1490{
1491        struct drm_device *dev = crtc->dev;
1492        struct drm_crtc *test_crtc;
1493        struct radeon_crtc *test_radeon_crtc;
1494        u32 pll_in_use = 0;
1495
1496        list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1497                if (crtc == test_crtc)
1498                        continue;
1499
1500                test_radeon_crtc = to_radeon_crtc(test_crtc);
1501                if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
1502                        pll_in_use |= (1 << test_radeon_crtc->pll_id);
1503        }
1504        return pll_in_use;
1505}
1506
1507/**
1508 * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP
1509 *
1510 * @crtc: drm crtc
1511 *
1512 * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is
1513 * also in DP mode.  For DP, a single PPLL can be used for all DP
1514 * crtcs/encoders.
1515 */
1516static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc)
1517{
1518        struct drm_device *dev = crtc->dev;
1519        struct drm_crtc *test_crtc;
1520        struct radeon_crtc *test_radeon_crtc;
1521
1522        list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1523                if (crtc == test_crtc)
1524                        continue;
1525                test_radeon_crtc = to_radeon_crtc(test_crtc);
1526                if (test_radeon_crtc->encoder &&
1527                    ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) {
1528                        /* for DP use the same PLL for all */
1529                        if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
1530                                return test_radeon_crtc->pll_id;
1531                }
1532        }
1533        return ATOM_PPLL_INVALID;
1534}
1535
1536/**
1537 * radeon_get_shared_nondp_ppll - return the PPLL used by another non-DP crtc
1538 *
1539 * @crtc: drm crtc
1540 * @encoder: drm encoder
1541 *
1542 * Returns the PPLL (Pixel PLL) used by another non-DP crtc/encoder which can
1543 * be shared (i.e., same clock).
1544 */
1545static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc)
1546{
1547        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1548        struct drm_device *dev = crtc->dev;
1549        struct drm_crtc *test_crtc;
1550        struct radeon_crtc *test_radeon_crtc;
1551        u32 adjusted_clock, test_adjusted_clock;
1552
1553        adjusted_clock = radeon_crtc->adjusted_clock;
1554
1555        if (adjusted_clock == 0)
1556                return ATOM_PPLL_INVALID;
1557
1558        list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) {
1559                if (crtc == test_crtc)
1560                        continue;
1561                test_radeon_crtc = to_radeon_crtc(test_crtc);
1562                if (test_radeon_crtc->encoder &&
1563                    !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) {
1564                        /* check if we are already driving this connector with another crtc */
1565                        if (test_radeon_crtc->connector == radeon_crtc->connector) {
1566                                /* if we are, return that pll */
1567                                if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)
1568                                        return test_radeon_crtc->pll_id;
1569                        }
1570                        /* for non-DP check the clock */
1571                        test_adjusted_clock = test_radeon_crtc->adjusted_clock;
1572                        if ((crtc->mode.clock == test_crtc->mode.clock) &&
1573                            (adjusted_clock == test_adjusted_clock) &&
1574                            (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) &&
1575                            (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID))
1576                                return test_radeon_crtc->pll_id;
1577                }
1578        }
1579        return ATOM_PPLL_INVALID;
1580}
1581
1582/**
1583 * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc.
1584 *
1585 * @crtc: drm crtc
1586 *
1587 * Returns the PPLL (Pixel PLL) to be used by the crtc.  For DP monitors
1588 * a single PPLL can be used for all DP crtcs/encoders.  For non-DP
1589 * monitors a dedicated PPLL must be used.  If a particular board has
1590 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming
1591 * as there is no need to program the PLL itself.  If we are not able to
1592 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to
1593 * avoid messing up an existing monitor.
1594 *
1595 * Asic specific PLL information
1596 *
1597 * DCE 6.1
1598 * - PPLL2 is only available to UNIPHYA (both DP and non-DP)
1599 * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP)
1600 *
1601 * DCE 6.0
1602 * - PPLL0 is available to all UNIPHY (DP only)
1603 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
1604 *
1605 * DCE 5.0
1606 * - DCPLL is available to all UNIPHY (DP only)
1607 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
1608 *
1609 * DCE 3.0/4.0/4.1
1610 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC
1611 *
1612 */
1613static int radeon_atom_pick_pll(struct drm_crtc *crtc)
1614{
1615        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1616        struct drm_device *dev = crtc->dev;
1617        struct radeon_device *rdev = dev->dev_private;
1618        struct radeon_encoder *radeon_encoder =
1619                to_radeon_encoder(radeon_crtc->encoder);
1620        u32 pll_in_use;
1621        int pll;
1622
1623        if (ASIC_IS_DCE61(rdev)) {
1624                struct radeon_encoder_atom_dig *dig =
1625                        radeon_encoder->enc_priv;
1626
1627                if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY) &&
1628                    (dig->linkb == false))
1629                        /* UNIPHY A uses PPLL2 */
1630                        return ATOM_PPLL2;
1631                else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
1632                        /* UNIPHY B/C/D/E/F */
1633                        if (rdev->clock.dp_extclk)
1634                                /* skip PPLL programming if using ext clock */
1635                                return ATOM_PPLL_INVALID;
1636                        else {
1637                                /* use the same PPLL for all DP monitors */
1638                                pll = radeon_get_shared_dp_ppll(crtc);
1639                                if (pll != ATOM_PPLL_INVALID)
1640                                        return pll;
1641                        }
1642                } else {
1643                        /* use the same PPLL for all monitors with the same clock */
1644                        pll = radeon_get_shared_nondp_ppll(crtc);
1645                        if (pll != ATOM_PPLL_INVALID)
1646                                return pll;
1647                }
1648                /* UNIPHY B/C/D/E/F */
1649                pll_in_use = radeon_get_pll_use_mask(crtc);
1650                if (!(pll_in_use & (1 << ATOM_PPLL0)))
1651                        return ATOM_PPLL0;
1652                if (!(pll_in_use & (1 << ATOM_PPLL1)))
1653                        return ATOM_PPLL1;
1654                DRM_ERROR("unable to allocate a PPLL\n");
1655                return ATOM_PPLL_INVALID;
1656        } else if (ASIC_IS_DCE4(rdev)) {
1657                /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock,
1658                 * depending on the asic:
1659                 * DCE4: PPLL or ext clock
1660                 * DCE5: PPLL, DCPLL, or ext clock
1661                 * DCE6: PPLL, PPLL0, or ext clock
1662                 *
1663                 * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip
1664                 * PPLL/DCPLL programming and only program the DP DTO for the
1665                 * crtc virtual pixel clock.
1666                 */
1667                if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) {
1668                        if (rdev->clock.dp_extclk)
1669                                /* skip PPLL programming if using ext clock */
1670                                return ATOM_PPLL_INVALID;
1671                        else if (ASIC_IS_DCE6(rdev))
1672                                /* use PPLL0 for all DP */
1673                                return ATOM_PPLL0;
1674                        else if (ASIC_IS_DCE5(rdev))
1675                                /* use DCPLL for all DP */
1676                                return ATOM_DCPLL;
1677                        else {
1678                                /* use the same PPLL for all DP monitors */
1679                                pll = radeon_get_shared_dp_ppll(crtc);
1680                                if (pll != ATOM_PPLL_INVALID)
1681                                        return pll;
1682                        }
1683                } else {
1684                        /* use the same PPLL for all monitors with the same clock */
1685                        pll = radeon_get_shared_nondp_ppll(crtc);
1686                        if (pll != ATOM_PPLL_INVALID)
1687                                return pll;
1688                }
1689                /* all other cases */
1690                pll_in_use = radeon_get_pll_use_mask(crtc);
1691                if (!(pll_in_use & (1 << ATOM_PPLL1)))
1692                        return ATOM_PPLL1;
1693                if (!(pll_in_use & (1 << ATOM_PPLL2)))
1694                        return ATOM_PPLL2;
1695                DRM_ERROR("unable to allocate a PPLL\n");
1696                return ATOM_PPLL_INVALID;
1697        } else {
1698                /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */
1699                /* some atombios (observed in some DCE2/DCE3) code have a bug,
1700                 * the matching btw pll and crtc is done through
1701                 * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the
1702                 * pll (1 or 2) to select which register to write. ie if using
1703                 * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2
1704                 * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to
1705                 * choose which value to write. Which is reverse order from
1706                 * register logic. So only case that works is when pllid is
1707                 * same as crtcid or when both pll and crtc are enabled and
1708                 * both use same clock.
1709                 *
1710                 * So just return crtc id as if crtc and pll were hard linked
1711                 * together even if they aren't
1712                 */
1713                return radeon_crtc->crtc_id;
1714        }
1715}
1716
1717void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev)
1718{
1719        /* always set DCPLL */
1720        if (ASIC_IS_DCE6(rdev))
1721                atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
1722        else if (ASIC_IS_DCE4(rdev)) {
1723                struct radeon_atom_ss ss;
1724                bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss,
1725                                                                   ASIC_INTERNAL_SS_ON_DCPLL,
1726                                                                   rdev->clock.default_dispclk);
1727                if (ss_enabled)
1728                        atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, -1, &ss);
1729                /* XXX: DCE5, make sure voltage, dispclk is high enough */
1730                atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk);
1731                if (ss_enabled)
1732                        atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, -1, &ss);
1733        }
1734
1735}
1736
1737int atombios_crtc_mode_set(struct drm_crtc *crtc,
1738                           struct drm_display_mode *mode,
1739                           struct drm_display_mode *adjusted_mode,
1740                           int x, int y, struct drm_framebuffer *old_fb)
1741{
1742        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1743        struct drm_device *dev = crtc->dev;
1744        struct radeon_device *rdev = dev->dev_private;
1745        struct radeon_encoder *radeon_encoder =
1746                to_radeon_encoder(radeon_crtc->encoder);
1747        bool is_tvcv = false;
1748
1749        if (radeon_encoder->active_device &
1750            (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT))
1751                is_tvcv = true;
1752
1753        atombios_crtc_set_pll(crtc, adjusted_mode);
1754
1755        if (ASIC_IS_DCE4(rdev))
1756                atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1757        else if (ASIC_IS_AVIVO(rdev)) {
1758                if (is_tvcv)
1759                        atombios_crtc_set_timing(crtc, adjusted_mode);
1760                else
1761                        atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1762        } else {
1763                atombios_crtc_set_timing(crtc, adjusted_mode);
1764                if (radeon_crtc->crtc_id == 0)
1765                        atombios_set_crtc_dtd_timing(crtc, adjusted_mode);
1766                radeon_legacy_atom_fixup(crtc);
1767        }
1768        atombios_crtc_set_base(crtc, x, y, old_fb);
1769        atombios_overscan_setup(crtc, mode, adjusted_mode);
1770        atombios_scaler_setup(crtc);
1771        return 0;
1772}
1773
1774static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc,
1775                                     const struct drm_display_mode *mode,
1776                                     struct drm_display_mode *adjusted_mode)
1777{
1778        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1779        struct drm_device *dev = crtc->dev;
1780        struct drm_encoder *encoder;
1781
1782        /* assign the encoder to the radeon crtc to avoid repeated lookups later */
1783        list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) {
1784                if (encoder->crtc == crtc) {
1785                        radeon_crtc->encoder = encoder;
1786                        radeon_crtc->connector = radeon_get_connector_for_encoder(encoder);
1787                        break;
1788                }
1789        }
1790        if ((radeon_crtc->encoder == NULL) || (radeon_crtc->connector == NULL)) {
1791                radeon_crtc->encoder = NULL;
1792                radeon_crtc->connector = NULL;
1793                return false;
1794        }
1795        if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode))
1796                return false;
1797        if (!atombios_crtc_prepare_pll(crtc, adjusted_mode))
1798                return false;
1799        /* pick pll */
1800        radeon_crtc->pll_id = radeon_atom_pick_pll(crtc);
1801        /* if we can't get a PPLL for a non-DP encoder, fail */
1802        if ((radeon_crtc->pll_id == ATOM_PPLL_INVALID) &&
1803            !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder)))
1804                return false;
1805
1806        return true;
1807}
1808
1809static void atombios_crtc_prepare(struct drm_crtc *crtc)
1810{
1811        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1812        struct drm_device *dev = crtc->dev;
1813        struct radeon_device *rdev = dev->dev_private;
1814
1815        radeon_crtc->in_mode_set = true;
1816
1817        /* disable crtc pair power gating before programming */
1818        if (ASIC_IS_DCE6(rdev))
1819                atombios_powergate_crtc(crtc, ATOM_DISABLE);
1820
1821        atombios_lock_crtc(crtc, ATOM_ENABLE);
1822        atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1823}
1824
1825static void atombios_crtc_commit(struct drm_crtc *crtc)
1826{
1827        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1828
1829        atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON);
1830        atombios_lock_crtc(crtc, ATOM_DISABLE);
1831        radeon_crtc->in_mode_set = false;
1832}
1833
1834static void atombios_crtc_disable(struct drm_crtc *crtc)
1835{
1836        struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc);
1837        struct drm_device *dev = crtc->dev;
1838        struct radeon_device *rdev = dev->dev_private;
1839        struct radeon_atom_ss ss;
1840        int i;
1841
1842        atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF);
1843        if (ASIC_IS_DCE6(rdev))
1844                atombios_powergate_crtc(crtc, ATOM_ENABLE);
1845
1846        for (i = 0; i < rdev->num_crtc; i++) {
1847                if (rdev->mode_info.crtcs[i] &&
1848                    rdev->mode_info.crtcs[i]->enabled &&
1849                    i != radeon_crtc->crtc_id &&
1850                    radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) {
1851                        /* one other crtc is using this pll don't turn
1852                         * off the pll
1853                         */
1854                        goto done;
1855                }
1856        }
1857
1858        switch (radeon_crtc->pll_id) {
1859        case ATOM_PPLL1:
1860        case ATOM_PPLL2:
1861                /* disable the ppll */
1862                atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1863                                          0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
1864                break;
1865        case ATOM_PPLL0:
1866                /* disable the ppll */
1867                if (ASIC_IS_DCE61(rdev))
1868                        atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id,
1869                                                  0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss);
1870                break;
1871        default:
1872                break;
1873        }
1874done:
1875        radeon_crtc->pll_id = ATOM_PPLL_INVALID;
1876        radeon_crtc->adjusted_clock = 0;
1877        radeon_crtc->encoder = NULL;
1878        radeon_crtc->connector = NULL;
1879}
1880
1881static const struct drm_crtc_helper_funcs atombios_helper_funcs = {
1882        .dpms = atombios_crtc_dpms,
1883        .mode_fixup = atombios_crtc_mode_fixup,
1884        .mode_set = atombios_crtc_mode_set,
1885        .mode_set_base = atombios_crtc_set_base,
1886        .mode_set_base_atomic = atombios_crtc_set_base_atomic,
1887        .prepare = atombios_crtc_prepare,
1888        .commit = atombios_crtc_commit,
1889        .load_lut = radeon_crtc_load_lut,
1890        .disable = atombios_crtc_disable,
1891};
1892
1893void radeon_atombios_init_crtc(struct drm_device *dev,
1894                               struct radeon_crtc *radeon_crtc)
1895{
1896        struct radeon_device *rdev = dev->dev_private;
1897
1898        if (ASIC_IS_DCE4(rdev)) {
1899                switch (radeon_crtc->crtc_id) {
1900                case 0:
1901                default:
1902                        radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET;
1903                        break;
1904                case 1:
1905                        radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET;
1906                        break;
1907                case 2:
1908                        radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET;
1909                        break;
1910                case 3:
1911                        radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET;
1912                        break;
1913                case 4:
1914                        radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET;
1915                        break;
1916                case 5:
1917                        radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET;
1918                        break;
1919                }
1920        } else {
1921                if (radeon_crtc->crtc_id == 1)
1922                        radeon_crtc->crtc_offset =
1923                                AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL;
1924                else
1925                        radeon_crtc->crtc_offset = 0;
1926        }
1927        radeon_crtc->pll_id = ATOM_PPLL_INVALID;
1928        radeon_crtc->adjusted_clock = 0;
1929        radeon_crtc->encoder = NULL;
1930        radeon_crtc->connector = NULL;
1931        drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs);
1932}
1933