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 const u32 vga_control_regs[6] = 213{ 214 AVIVO_D1VGA_CONTROL, 215 AVIVO_D2VGA_CONTROL, 216 EVERGREEN_D3VGA_CONTROL, 217 EVERGREEN_D4VGA_CONTROL, 218 EVERGREEN_D5VGA_CONTROL, 219 EVERGREEN_D6VGA_CONTROL, 220}; 221 222static void atombios_blank_crtc(struct drm_crtc *crtc, int state) 223{ 224 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 225 struct drm_device *dev = crtc->dev; 226 struct radeon_device *rdev = dev->dev_private; 227 int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC); 228 BLANK_CRTC_PS_ALLOCATION args; 229 u32 vga_control = 0; 230 231 memset(&args, 0, sizeof(args)); 232 233 if (ASIC_IS_DCE8(rdev)) { 234 vga_control = RREG32(vga_control_regs[radeon_crtc->crtc_id]); 235 WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control | 1); 236 } 237 238 args.ucCRTC = radeon_crtc->crtc_id; 239 args.ucBlanking = state; 240 241 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 242 243 if (ASIC_IS_DCE8(rdev)) { 244 WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control); 245 } 246} 247 248static void atombios_powergate_crtc(struct drm_crtc *crtc, int state) 249{ 250 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 251 struct drm_device *dev = crtc->dev; 252 struct radeon_device *rdev = dev->dev_private; 253 int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); 254 ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; 255 256 memset(&args, 0, sizeof(args)); 257 258 args.ucDispPipeId = radeon_crtc->crtc_id; 259 args.ucEnable = state; 260 261 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 262} 263 264void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) 265{ 266 struct drm_device *dev = crtc->dev; 267 struct radeon_device *rdev = dev->dev_private; 268 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 269 270 switch (mode) { 271 case DRM_MODE_DPMS_ON: 272 radeon_crtc->enabled = true; 273 atombios_enable_crtc(crtc, ATOM_ENABLE); 274 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) 275 atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); 276 atombios_blank_crtc(crtc, ATOM_DISABLE); 277 drm_vblank_post_modeset(dev, radeon_crtc->crtc_id); 278 radeon_crtc_load_lut(crtc); 279 break; 280 case DRM_MODE_DPMS_STANDBY: 281 case DRM_MODE_DPMS_SUSPEND: 282 case DRM_MODE_DPMS_OFF: 283 drm_vblank_pre_modeset(dev, radeon_crtc->crtc_id); 284 if (radeon_crtc->enabled) 285 atombios_blank_crtc(crtc, ATOM_ENABLE); 286 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) 287 atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); 288 atombios_enable_crtc(crtc, ATOM_DISABLE); 289 radeon_crtc->enabled = false; 290 break; 291 } 292 /* adjust pm to dpms */ 293 radeon_pm_compute_clocks(rdev); 294} 295 296static void 297atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, 298 struct drm_display_mode *mode) 299{ 300 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 301 struct drm_device *dev = crtc->dev; 302 struct radeon_device *rdev = dev->dev_private; 303 SET_CRTC_USING_DTD_TIMING_PARAMETERS args; 304 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming); 305 u16 misc = 0; 306 307 memset(&args, 0, sizeof(args)); 308 args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2)); 309 args.usH_Blanking_Time = 310 cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2)); 311 args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2)); 312 args.usV_Blanking_Time = 313 cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2)); 314 args.usH_SyncOffset = 315 cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border); 316 args.usH_SyncWidth = 317 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); 318 args.usV_SyncOffset = 319 cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border); 320 args.usV_SyncWidth = 321 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); 322 args.ucH_Border = radeon_crtc->h_border; 323 args.ucV_Border = radeon_crtc->v_border; 324 325 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 326 misc |= ATOM_VSYNC_POLARITY; 327 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 328 misc |= ATOM_HSYNC_POLARITY; 329 if (mode->flags & DRM_MODE_FLAG_CSYNC) 330 misc |= ATOM_COMPOSITESYNC; 331 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 332 misc |= ATOM_INTERLACE; 333 if (mode->flags & DRM_MODE_FLAG_DBLCLK) 334 misc |= ATOM_DOUBLE_CLOCK_MODE; 335 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 336 misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; 337 338 args.susModeMiscInfo.usAccess = cpu_to_le16(misc); 339 args.ucCRTC = radeon_crtc->crtc_id; 340 341 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 342} 343 344static void atombios_crtc_set_timing(struct drm_crtc *crtc, 345 struct drm_display_mode *mode) 346{ 347 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 348 struct drm_device *dev = crtc->dev; 349 struct radeon_device *rdev = dev->dev_private; 350 SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args; 351 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing); 352 u16 misc = 0; 353 354 memset(&args, 0, sizeof(args)); 355 args.usH_Total = cpu_to_le16(mode->crtc_htotal); 356 args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay); 357 args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start); 358 args.usH_SyncWidth = 359 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); 360 args.usV_Total = cpu_to_le16(mode->crtc_vtotal); 361 args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay); 362 args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start); 363 args.usV_SyncWidth = 364 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); 365 366 args.ucOverscanRight = radeon_crtc->h_border; 367 args.ucOverscanLeft = radeon_crtc->h_border; 368 args.ucOverscanBottom = radeon_crtc->v_border; 369 args.ucOverscanTop = radeon_crtc->v_border; 370 371 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 372 misc |= ATOM_VSYNC_POLARITY; 373 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 374 misc |= ATOM_HSYNC_POLARITY; 375 if (mode->flags & DRM_MODE_FLAG_CSYNC) 376 misc |= ATOM_COMPOSITESYNC; 377 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 378 misc |= ATOM_INTERLACE; 379 if (mode->flags & DRM_MODE_FLAG_DBLCLK) 380 misc |= ATOM_DOUBLE_CLOCK_MODE; 381 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 382 misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; 383 384 args.susModeMiscInfo.usAccess = cpu_to_le16(misc); 385 args.ucCRTC = radeon_crtc->crtc_id; 386 387 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 388} 389 390static void atombios_disable_ss(struct radeon_device *rdev, int pll_id) 391{ 392 u32 ss_cntl; 393 394 if (ASIC_IS_DCE4(rdev)) { 395 switch (pll_id) { 396 case ATOM_PPLL1: 397 ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL); 398 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; 399 WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl); 400 break; 401 case ATOM_PPLL2: 402 ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL); 403 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; 404 WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl); 405 break; 406 case ATOM_DCPLL: 407 case ATOM_PPLL_INVALID: 408 return; 409 } 410 } else if (ASIC_IS_AVIVO(rdev)) { 411 switch (pll_id) { 412 case ATOM_PPLL1: 413 ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL); 414 ss_cntl &= ~1; 415 WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl); 416 break; 417 case ATOM_PPLL2: 418 ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL); 419 ss_cntl &= ~1; 420 WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl); 421 break; 422 case ATOM_DCPLL: 423 case ATOM_PPLL_INVALID: 424 return; 425 } 426 } 427} 428 429 430union atom_enable_ss { 431 ENABLE_LVDS_SS_PARAMETERS lvds_ss; 432 ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2; 433 ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1; 434 ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2; 435 ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3; 436}; 437 438static void atombios_crtc_program_ss(struct radeon_device *rdev, 439 int enable, 440 int pll_id, 441 int crtc_id, 442 struct radeon_atom_ss *ss) 443{ 444 unsigned i; 445 int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL); 446 union atom_enable_ss args; 447 448 if (enable) { 449 /* Don't mess with SS if percentage is 0 or external ss. 450 * SS is already disabled previously, and disabling it 451 * again can cause display problems if the pll is already 452 * programmed. 453 */ 454 if (ss->percentage == 0) 455 return; 456 if (ss->type & ATOM_EXTERNAL_SS_MASK) 457 return; 458 } else { 459 for (i = 0; i < rdev->num_crtc; i++) { 460 if (rdev->mode_info.crtcs[i] && 461 rdev->mode_info.crtcs[i]->enabled && 462 i != crtc_id && 463 pll_id == rdev->mode_info.crtcs[i]->pll_id) { 464 /* one other crtc is using this pll don't turn 465 * off spread spectrum as it might turn off 466 * display on active crtc 467 */ 468 return; 469 } 470 } 471 } 472 473 memset(&args, 0, sizeof(args)); 474 475 if (ASIC_IS_DCE5(rdev)) { 476 args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0); 477 args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 478 switch (pll_id) { 479 case ATOM_PPLL1: 480 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL; 481 break; 482 case ATOM_PPLL2: 483 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL; 484 break; 485 case ATOM_DCPLL: 486 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL; 487 break; 488 case ATOM_PPLL_INVALID: 489 return; 490 } 491 args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); 492 args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step); 493 args.v3.ucEnable = enable; 494 } else if (ASIC_IS_DCE4(rdev)) { 495 args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 496 args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 497 switch (pll_id) { 498 case ATOM_PPLL1: 499 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL; 500 break; 501 case ATOM_PPLL2: 502 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL; 503 break; 504 case ATOM_DCPLL: 505 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL; 506 break; 507 case ATOM_PPLL_INVALID: 508 return; 509 } 510 args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); 511 args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step); 512 args.v2.ucEnable = enable; 513 } else if (ASIC_IS_DCE3(rdev)) { 514 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 515 args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 516 args.v1.ucSpreadSpectrumStep = ss->step; 517 args.v1.ucSpreadSpectrumDelay = ss->delay; 518 args.v1.ucSpreadSpectrumRange = ss->range; 519 args.v1.ucPpll = pll_id; 520 args.v1.ucEnable = enable; 521 } else if (ASIC_IS_AVIVO(rdev)) { 522 if ((enable == ATOM_DISABLE) || (ss->percentage == 0) || 523 (ss->type & ATOM_EXTERNAL_SS_MASK)) { 524 atombios_disable_ss(rdev, pll_id); 525 return; 526 } 527 args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 528 args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 529 args.lvds_ss_2.ucSpreadSpectrumStep = ss->step; 530 args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay; 531 args.lvds_ss_2.ucSpreadSpectrumRange = ss->range; 532 args.lvds_ss_2.ucEnable = enable; 533 } else { 534 if (enable == ATOM_DISABLE) { 535 atombios_disable_ss(rdev, pll_id); 536 return; 537 } 538 args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 539 args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 540 args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2; 541 args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4; 542 args.lvds_ss.ucEnable = enable; 543 } 544 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 545} 546 547union adjust_pixel_clock { 548 ADJUST_DISPLAY_PLL_PS_ALLOCATION v1; 549 ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3; 550}; 551 552static u32 atombios_adjust_pll(struct drm_crtc *crtc, 553 struct drm_display_mode *mode) 554{ 555 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 556 struct drm_device *dev = crtc->dev; 557 struct radeon_device *rdev = dev->dev_private; 558 struct drm_encoder *encoder = radeon_crtc->encoder; 559 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 560 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 561 u32 adjusted_clock = mode->clock; 562 int encoder_mode = atombios_get_encoder_mode(encoder); 563 u32 dp_clock = mode->clock; 564 u32 clock = mode->clock; 565 int bpc = radeon_crtc->bpc; 566 bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock); 567 568 /* reset the pll flags */ 569 radeon_crtc->pll_flags = 0; 570 571 if (ASIC_IS_AVIVO(rdev)) { 572 if ((rdev->family == CHIP_RS600) || 573 (rdev->family == CHIP_RS690) || 574 (rdev->family == CHIP_RS740)) 575 radeon_crtc->pll_flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/ 576 RADEON_PLL_PREFER_CLOSEST_LOWER); 577 578 if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */ 579 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; 580 else 581 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; 582 583 if (rdev->family < CHIP_RV770) 584 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; 585 /* use frac fb div on APUs */ 586 if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) 587 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 588 /* use frac fb div on RS780/RS880 */ 589 if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) 590 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 591 if (ASIC_IS_DCE32(rdev) && mode->clock > 165000) 592 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 593 } else { 594 radeon_crtc->pll_flags |= RADEON_PLL_LEGACY; 595 596 if (mode->clock > 200000) /* range limits??? */ 597 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; 598 else 599 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; 600 } 601 602 if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || 603 (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) { 604 if (connector) { 605 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 606 struct radeon_connector_atom_dig *dig_connector = 607 radeon_connector->con_priv; 608 609 dp_clock = dig_connector->dp_clock; 610 } 611 } 612 613 if (radeon_encoder->is_mst_encoder) { 614 struct radeon_encoder_mst *mst_enc = radeon_encoder->enc_priv; 615 struct radeon_connector_atom_dig *dig_connector = mst_enc->connector->con_priv; 616 617 dp_clock = dig_connector->dp_clock; 618 } 619 620 /* use recommended ref_div for ss */ 621 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 622 if (radeon_crtc->ss_enabled) { 623 if (radeon_crtc->ss.refdiv) { 624 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 625 radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv; 626 if (ASIC_IS_AVIVO(rdev)) 627 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 628 } 629 } 630 } 631 632 if (ASIC_IS_AVIVO(rdev)) { 633 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */ 634 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1) 635 adjusted_clock = mode->clock * 2; 636 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) 637 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_CLOSEST_LOWER; 638 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 639 radeon_crtc->pll_flags |= RADEON_PLL_IS_LCD; 640 } else { 641 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) 642 radeon_crtc->pll_flags |= RADEON_PLL_NO_ODD_POST_DIV; 643 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) 644 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 645 } 646 647 /* adjust pll for deep color modes */ 648 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 649 switch (bpc) { 650 case 8: 651 default: 652 break; 653 case 10: 654 clock = (clock * 5) / 4; 655 break; 656 case 12: 657 clock = (clock * 3) / 2; 658 break; 659 case 16: 660 clock = clock * 2; 661 break; 662 } 663 } 664 665 /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock 666 * accordingly based on the encoder/transmitter to work around 667 * special hw requirements. 668 */ 669 if (ASIC_IS_DCE3(rdev)) { 670 union adjust_pixel_clock args; 671 u8 frev, crev; 672 int index; 673 674 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll); 675 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 676 &crev)) 677 return adjusted_clock; 678 679 memset(&args, 0, sizeof(args)); 680 681 switch (frev) { 682 case 1: 683 switch (crev) { 684 case 1: 685 case 2: 686 args.v1.usPixelClock = cpu_to_le16(clock / 10); 687 args.v1.ucTransmitterID = radeon_encoder->encoder_id; 688 args.v1.ucEncodeMode = encoder_mode; 689 if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) 690 args.v1.ucConfig |= 691 ADJUST_DISPLAY_CONFIG_SS_ENABLE; 692 693 atom_execute_table(rdev->mode_info.atom_context, 694 index, (uint32_t *)&args); 695 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10; 696 break; 697 case 3: 698 args.v3.sInput.usPixelClock = cpu_to_le16(clock / 10); 699 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id; 700 args.v3.sInput.ucEncodeMode = encoder_mode; 701 args.v3.sInput.ucDispPllConfig = 0; 702 if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) 703 args.v3.sInput.ucDispPllConfig |= 704 DISPPLL_CONFIG_SS_ENABLE; 705 if (ENCODER_MODE_IS_DP(encoder_mode)) { 706 args.v3.sInput.ucDispPllConfig |= 707 DISPPLL_CONFIG_COHERENT_MODE; 708 /* 16200 or 27000 */ 709 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); 710 } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { 711 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 712 if (dig->coherent_mode) 713 args.v3.sInput.ucDispPllConfig |= 714 DISPPLL_CONFIG_COHERENT_MODE; 715 if (is_duallink) 716 args.v3.sInput.ucDispPllConfig |= 717 DISPPLL_CONFIG_DUAL_LINK; 718 } 719 if (radeon_encoder_get_dp_bridge_encoder_id(encoder) != 720 ENCODER_OBJECT_ID_NONE) 721 args.v3.sInput.ucExtTransmitterID = 722 radeon_encoder_get_dp_bridge_encoder_id(encoder); 723 else 724 args.v3.sInput.ucExtTransmitterID = 0; 725 726 atom_execute_table(rdev->mode_info.atom_context, 727 index, (uint32_t *)&args); 728 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10; 729 if (args.v3.sOutput.ucRefDiv) { 730 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 731 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 732 radeon_crtc->pll_reference_div = args.v3.sOutput.ucRefDiv; 733 } 734 if (args.v3.sOutput.ucPostDiv) { 735 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 736 radeon_crtc->pll_flags |= RADEON_PLL_USE_POST_DIV; 737 radeon_crtc->pll_post_div = args.v3.sOutput.ucPostDiv; 738 } 739 break; 740 default: 741 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 742 return adjusted_clock; 743 } 744 break; 745 default: 746 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 747 return adjusted_clock; 748 } 749 } 750 return adjusted_clock; 751} 752 753union set_pixel_clock { 754 SET_PIXEL_CLOCK_PS_ALLOCATION base; 755 PIXEL_CLOCK_PARAMETERS v1; 756 PIXEL_CLOCK_PARAMETERS_V2 v2; 757 PIXEL_CLOCK_PARAMETERS_V3 v3; 758 PIXEL_CLOCK_PARAMETERS_V5 v5; 759 PIXEL_CLOCK_PARAMETERS_V6 v6; 760}; 761 762/* on DCE5, make sure the voltage is high enough to support the 763 * required disp clk. 764 */ 765static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev, 766 u32 dispclk) 767{ 768 u8 frev, crev; 769 int index; 770 union set_pixel_clock args; 771 772 memset(&args, 0, sizeof(args)); 773 774 index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); 775 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 776 &crev)) 777 return; 778 779 switch (frev) { 780 case 1: 781 switch (crev) { 782 case 5: 783 /* if the default dcpll clock is specified, 784 * SetPixelClock provides the dividers 785 */ 786 args.v5.ucCRTC = ATOM_CRTC_INVALID; 787 args.v5.usPixelClock = cpu_to_le16(dispclk); 788 args.v5.ucPpll = ATOM_DCPLL; 789 break; 790 case 6: 791 /* if the default dcpll clock is specified, 792 * SetPixelClock provides the dividers 793 */ 794 args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk); 795 if (ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) 796 args.v6.ucPpll = ATOM_EXT_PLL1; 797 else if (ASIC_IS_DCE6(rdev)) 798 args.v6.ucPpll = ATOM_PPLL0; 799 else 800 args.v6.ucPpll = ATOM_DCPLL; 801 break; 802 default: 803 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 804 return; 805 } 806 break; 807 default: 808 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 809 return; 810 } 811 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 812} 813 814static void atombios_crtc_program_pll(struct drm_crtc *crtc, 815 u32 crtc_id, 816 int pll_id, 817 u32 encoder_mode, 818 u32 encoder_id, 819 u32 clock, 820 u32 ref_div, 821 u32 fb_div, 822 u32 frac_fb_div, 823 u32 post_div, 824 int bpc, 825 bool ss_enabled, 826 struct radeon_atom_ss *ss) 827{ 828 struct drm_device *dev = crtc->dev; 829 struct radeon_device *rdev = dev->dev_private; 830 u8 frev, crev; 831 int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); 832 union set_pixel_clock args; 833 834 memset(&args, 0, sizeof(args)); 835 836 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 837 &crev)) 838 return; 839 840 switch (frev) { 841 case 1: 842 switch (crev) { 843 case 1: 844 if (clock == ATOM_DISABLE) 845 return; 846 args.v1.usPixelClock = cpu_to_le16(clock / 10); 847 args.v1.usRefDiv = cpu_to_le16(ref_div); 848 args.v1.usFbDiv = cpu_to_le16(fb_div); 849 args.v1.ucFracFbDiv = frac_fb_div; 850 args.v1.ucPostDiv = post_div; 851 args.v1.ucPpll = pll_id; 852 args.v1.ucCRTC = crtc_id; 853 args.v1.ucRefDivSrc = 1; 854 break; 855 case 2: 856 args.v2.usPixelClock = cpu_to_le16(clock / 10); 857 args.v2.usRefDiv = cpu_to_le16(ref_div); 858 args.v2.usFbDiv = cpu_to_le16(fb_div); 859 args.v2.ucFracFbDiv = frac_fb_div; 860 args.v2.ucPostDiv = post_div; 861 args.v2.ucPpll = pll_id; 862 args.v2.ucCRTC = crtc_id; 863 args.v2.ucRefDivSrc = 1; 864 break; 865 case 3: 866 args.v3.usPixelClock = cpu_to_le16(clock / 10); 867 args.v3.usRefDiv = cpu_to_le16(ref_div); 868 args.v3.usFbDiv = cpu_to_le16(fb_div); 869 args.v3.ucFracFbDiv = frac_fb_div; 870 args.v3.ucPostDiv = post_div; 871 args.v3.ucPpll = pll_id; 872 if (crtc_id == ATOM_CRTC2) 873 args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2; 874 else 875 args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1; 876 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 877 args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC; 878 args.v3.ucTransmitterId = encoder_id; 879 args.v3.ucEncoderMode = encoder_mode; 880 break; 881 case 5: 882 args.v5.ucCRTC = crtc_id; 883 args.v5.usPixelClock = cpu_to_le16(clock / 10); 884 args.v5.ucRefDiv = ref_div; 885 args.v5.usFbDiv = cpu_to_le16(fb_div); 886 args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); 887 args.v5.ucPostDiv = post_div; 888 args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */ 889 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 890 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC; 891 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 892 switch (bpc) { 893 case 8: 894 default: 895 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; 896 break; 897 case 10: 898 /* yes this is correct, the atom define is wrong */ 899 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_32BPP; 900 break; 901 case 12: 902 /* yes this is correct, the atom define is wrong */ 903 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; 904 break; 905 } 906 } 907 args.v5.ucTransmitterID = encoder_id; 908 args.v5.ucEncoderMode = encoder_mode; 909 args.v5.ucPpll = pll_id; 910 break; 911 case 6: 912 args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10); 913 args.v6.ucRefDiv = ref_div; 914 args.v6.usFbDiv = cpu_to_le16(fb_div); 915 args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); 916 args.v6.ucPostDiv = post_div; 917 args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */ 918 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 919 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC; 920 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 921 switch (bpc) { 922 case 8: 923 default: 924 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; 925 break; 926 case 10: 927 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP_V6; 928 break; 929 case 12: 930 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP_V6; 931 break; 932 case 16: 933 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; 934 break; 935 } 936 } 937 args.v6.ucTransmitterID = encoder_id; 938 args.v6.ucEncoderMode = encoder_mode; 939 args.v6.ucPpll = pll_id; 940 break; 941 default: 942 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 943 return; 944 } 945 break; 946 default: 947 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 948 return; 949 } 950 951 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 952} 953 954static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) 955{ 956 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 957 struct drm_device *dev = crtc->dev; 958 struct radeon_device *rdev = dev->dev_private; 959 struct radeon_encoder *radeon_encoder = 960 to_radeon_encoder(radeon_crtc->encoder); 961 int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); 962 963 radeon_crtc->bpc = 8; 964 radeon_crtc->ss_enabled = false; 965 966 if (radeon_encoder->is_mst_encoder) { 967 radeon_dp_mst_prepare_pll(crtc, mode); 968 } else if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || 969 (radeon_encoder_get_dp_bridge_encoder_id(radeon_crtc->encoder) != ENCODER_OBJECT_ID_NONE)) { 970 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 971 struct drm_connector *connector = 972 radeon_get_connector_for_encoder(radeon_crtc->encoder); 973 struct radeon_connector *radeon_connector = 974 to_radeon_connector(connector); 975 struct radeon_connector_atom_dig *dig_connector = 976 radeon_connector->con_priv; 977 int dp_clock; 978 979 /* Assign mode clock for hdmi deep color max clock limit check */ 980 radeon_connector->pixelclock_for_modeset = mode->clock; 981 radeon_crtc->bpc = radeon_get_monitor_bpc(connector); 982 983 switch (encoder_mode) { 984 case ATOM_ENCODER_MODE_DP_MST: 985 case ATOM_ENCODER_MODE_DP: 986 /* DP/eDP */ 987 dp_clock = dig_connector->dp_clock / 10; 988 if (ASIC_IS_DCE4(rdev)) 989 radeon_crtc->ss_enabled = 990 radeon_atombios_get_asic_ss_info(rdev, &radeon_crtc->ss, 991 ASIC_INTERNAL_SS_ON_DP, 992 dp_clock); 993 else { 994 if (dp_clock == 16200) { 995 radeon_crtc->ss_enabled = 996 radeon_atombios_get_ppll_ss_info(rdev, 997 &radeon_crtc->ss, 998 ATOM_DP_SS_ID2); 999 if (!radeon_crtc->ss_enabled) 1000 radeon_crtc->ss_enabled = 1001 radeon_atombios_get_ppll_ss_info(rdev, 1002 &radeon_crtc->ss, 1003 ATOM_DP_SS_ID1); 1004 } else { 1005 radeon_crtc->ss_enabled = 1006 radeon_atombios_get_ppll_ss_info(rdev, 1007 &radeon_crtc->ss, 1008 ATOM_DP_SS_ID1); 1009 } 1010 /* disable spread spectrum on DCE3 DP */ 1011 radeon_crtc->ss_enabled = false; 1012 } 1013 break; 1014 case ATOM_ENCODER_MODE_LVDS: 1015 if (ASIC_IS_DCE4(rdev)) 1016 radeon_crtc->ss_enabled = 1017 radeon_atombios_get_asic_ss_info(rdev, 1018 &radeon_crtc->ss, 1019 dig->lcd_ss_id, 1020 mode->clock / 10); 1021 else 1022 radeon_crtc->ss_enabled = 1023 radeon_atombios_get_ppll_ss_info(rdev, 1024 &radeon_crtc->ss, 1025 dig->lcd_ss_id); 1026 break; 1027 case ATOM_ENCODER_MODE_DVI: 1028 if (ASIC_IS_DCE4(rdev)) 1029 radeon_crtc->ss_enabled = 1030 radeon_atombios_get_asic_ss_info(rdev, 1031 &radeon_crtc->ss, 1032 ASIC_INTERNAL_SS_ON_TMDS, 1033 mode->clock / 10); 1034 break; 1035 case ATOM_ENCODER_MODE_HDMI: 1036 if (ASIC_IS_DCE4(rdev)) 1037 radeon_crtc->ss_enabled = 1038 radeon_atombios_get_asic_ss_info(rdev, 1039 &radeon_crtc->ss, 1040 ASIC_INTERNAL_SS_ON_HDMI, 1041 mode->clock / 10); 1042 break; 1043 default: 1044 break; 1045 } 1046 } 1047 1048 /* adjust pixel clock as needed */ 1049 radeon_crtc->adjusted_clock = atombios_adjust_pll(crtc, mode); 1050 1051 return true; 1052} 1053 1054static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) 1055{ 1056 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1057 struct drm_device *dev = crtc->dev; 1058 struct radeon_device *rdev = dev->dev_private; 1059 struct radeon_encoder *radeon_encoder = 1060 to_radeon_encoder(radeon_crtc->encoder); 1061 u32 pll_clock = mode->clock; 1062 u32 clock = mode->clock; 1063 u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0; 1064 struct radeon_pll *pll; 1065 int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); 1066 1067 /* pass the actual clock to atombios_crtc_program_pll for DCE5,6 for HDMI */ 1068 if (ASIC_IS_DCE5(rdev) && 1069 (encoder_mode == ATOM_ENCODER_MODE_HDMI) && 1070 (radeon_crtc->bpc > 8)) 1071 clock = radeon_crtc->adjusted_clock; 1072 1073 switch (radeon_crtc->pll_id) { 1074 case ATOM_PPLL1: 1075 pll = &rdev->clock.p1pll; 1076 break; 1077 case ATOM_PPLL2: 1078 pll = &rdev->clock.p2pll; 1079 break; 1080 case ATOM_DCPLL: 1081 case ATOM_PPLL_INVALID: 1082 default: 1083 pll = &rdev->clock.dcpll; 1084 break; 1085 } 1086 1087 /* update pll params */ 1088 pll->flags = radeon_crtc->pll_flags; 1089 pll->reference_div = radeon_crtc->pll_reference_div; 1090 pll->post_div = radeon_crtc->pll_post_div; 1091 1092 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) 1093 /* TV seems to prefer the legacy algo on some boards */ 1094 radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, 1095 &fb_div, &frac_fb_div, &ref_div, &post_div); 1096 else if (ASIC_IS_AVIVO(rdev)) 1097 radeon_compute_pll_avivo(pll, radeon_crtc->adjusted_clock, &pll_clock, 1098 &fb_div, &frac_fb_div, &ref_div, &post_div); 1099 else 1100 radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, 1101 &fb_div, &frac_fb_div, &ref_div, &post_div); 1102 1103 atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id, 1104 radeon_crtc->crtc_id, &radeon_crtc->ss); 1105 1106 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 1107 encoder_mode, radeon_encoder->encoder_id, clock, 1108 ref_div, fb_div, frac_fb_div, post_div, 1109 radeon_crtc->bpc, radeon_crtc->ss_enabled, &radeon_crtc->ss); 1110 1111 if (radeon_crtc->ss_enabled) { 1112 /* calculate ss amount and step size */ 1113 if (ASIC_IS_DCE4(rdev)) { 1114 u32 step_size; 1115 u32 amount = (((fb_div * 10) + frac_fb_div) * 1116 (u32)radeon_crtc->ss.percentage) / 1117 (100 * (u32)radeon_crtc->ss.percentage_divider); 1118 radeon_crtc->ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK; 1119 radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) & 1120 ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK; 1121 if (radeon_crtc->ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD) 1122 step_size = (4 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / 1123 (125 * 25 * pll->reference_freq / 100); 1124 else 1125 step_size = (2 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / 1126 (125 * 25 * pll->reference_freq / 100); 1127 radeon_crtc->ss.step = step_size; 1128 } 1129 1130 atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id, 1131 radeon_crtc->crtc_id, &radeon_crtc->ss); 1132 } 1133} 1134 1135static int dce4_crtc_do_set_base(struct drm_crtc *crtc, 1136 struct drm_framebuffer *fb, 1137 int x, int y, int atomic) 1138{ 1139 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1140 struct drm_device *dev = crtc->dev; 1141 struct radeon_device *rdev = dev->dev_private; 1142 struct radeon_framebuffer *radeon_fb; 1143 struct drm_framebuffer *target_fb; 1144 struct drm_gem_object *obj; 1145 struct radeon_bo *rbo; 1146 uint64_t fb_location; 1147 uint32_t fb_format, fb_pitch_pixels, tiling_flags; 1148 unsigned bankw, bankh, mtaspect, tile_split; 1149 u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE); 1150 u32 tmp, viewport_w, viewport_h; 1151 int r; 1152 bool bypass_lut = false; 1153 1154 /* no fb bound */ 1155 if (!atomic && !crtc->primary->fb) { 1156 DRM_DEBUG_KMS("No FB bound\n"); 1157 return 0; 1158 } 1159 1160 if (atomic) { 1161 radeon_fb = to_radeon_framebuffer(fb); 1162 target_fb = fb; 1163 } 1164 else { 1165 radeon_fb = to_radeon_framebuffer(crtc->primary->fb); 1166 target_fb = crtc->primary->fb; 1167 } 1168 1169 /* If atomic, assume fb object is pinned & idle & fenced and 1170 * just update base pointers 1171 */ 1172 obj = radeon_fb->obj; 1173 rbo = gem_to_radeon_bo(obj); 1174 r = radeon_bo_reserve(rbo, false); 1175 if (unlikely(r != 0)) 1176 return r; 1177 1178 if (atomic) 1179 fb_location = radeon_bo_gpu_offset(rbo); 1180 else { 1181 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); 1182 if (unlikely(r != 0)) { 1183 radeon_bo_unreserve(rbo); 1184 return -EINVAL; 1185 } 1186 } 1187 1188 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); 1189 radeon_bo_unreserve(rbo); 1190 1191 switch (target_fb->pixel_format) { 1192 case DRM_FORMAT_C8: 1193 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) | 1194 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED)); 1195 break; 1196 case DRM_FORMAT_XRGB4444: 1197 case DRM_FORMAT_ARGB4444: 1198 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | 1199 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB4444)); 1200#ifdef __BIG_ENDIAN 1201 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); 1202#endif 1203 break; 1204 case DRM_FORMAT_XRGB1555: 1205 case DRM_FORMAT_ARGB1555: 1206 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | 1207 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555)); 1208#ifdef __BIG_ENDIAN 1209 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); 1210#endif 1211 break; 1212 case DRM_FORMAT_BGRX5551: 1213 case DRM_FORMAT_BGRA5551: 1214 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | 1215 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA5551)); 1216#ifdef __BIG_ENDIAN 1217 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); 1218#endif 1219 break; 1220 case DRM_FORMAT_RGB565: 1221 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | 1222 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565)); 1223#ifdef __BIG_ENDIAN 1224 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); 1225#endif 1226 break; 1227 case DRM_FORMAT_XRGB8888: 1228 case DRM_FORMAT_ARGB8888: 1229 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | 1230 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); 1231#ifdef __BIG_ENDIAN 1232 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); 1233#endif 1234 break; 1235 case DRM_FORMAT_XRGB2101010: 1236 case DRM_FORMAT_ARGB2101010: 1237 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | 1238 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB2101010)); 1239#ifdef __BIG_ENDIAN 1240 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); 1241#endif 1242 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1243 bypass_lut = true; 1244 break; 1245 case DRM_FORMAT_BGRX1010102: 1246 case DRM_FORMAT_BGRA1010102: 1247 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | 1248 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA1010102)); 1249#ifdef __BIG_ENDIAN 1250 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); 1251#endif 1252 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1253 bypass_lut = true; 1254 break; 1255 default: 1256 DRM_ERROR("Unsupported screen format %s\n", 1257 drm_get_format_name(target_fb->pixel_format)); 1258 return -EINVAL; 1259 } 1260 1261 if (tiling_flags & RADEON_TILING_MACRO) { 1262 evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); 1263 1264 /* Set NUM_BANKS. */ 1265 if (rdev->family >= CHIP_TAHITI) { 1266 unsigned index, num_banks; 1267 1268 if (rdev->family >= CHIP_BONAIRE) { 1269 unsigned tileb, tile_split_bytes; 1270 1271 /* Calculate the macrotile mode index. */ 1272 tile_split_bytes = 64 << tile_split; 1273 tileb = 8 * 8 * target_fb->bits_per_pixel / 8; 1274 tileb = min(tile_split_bytes, tileb); 1275 1276 for (index = 0; tileb > 64; index++) 1277 tileb >>= 1; 1278 1279 if (index >= 16) { 1280 DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n", 1281 target_fb->bits_per_pixel, tile_split); 1282 return -EINVAL; 1283 } 1284 1285 num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; 1286 } else { 1287 switch (target_fb->bits_per_pixel) { 1288 case 8: 1289 index = 10; 1290 break; 1291 case 16: 1292 index = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP; 1293 break; 1294 default: 1295 case 32: 1296 index = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP; 1297 break; 1298 } 1299 1300 num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3; 1301 } 1302 1303 fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); 1304 } else { 1305 /* NI and older. */ 1306 if (rdev->family >= CHIP_CAYMAN) 1307 tmp = rdev->config.cayman.tile_config; 1308 else 1309 tmp = rdev->config.evergreen.tile_config; 1310 1311 switch ((tmp & 0xf0) >> 4) { 1312 case 0: /* 4 banks */ 1313 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); 1314 break; 1315 case 1: /* 8 banks */ 1316 default: 1317 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); 1318 break; 1319 case 2: /* 16 banks */ 1320 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); 1321 break; 1322 } 1323 } 1324 1325 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1); 1326 fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split); 1327 fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw); 1328 fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh); 1329 fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect); 1330 if (rdev->family >= CHIP_BONAIRE) { 1331 /* XXX need to know more about the surface tiling mode */ 1332 fb_format |= CIK_GRPH_MICRO_TILE_MODE(CIK_DISPLAY_MICRO_TILING); 1333 } 1334 } else if (tiling_flags & RADEON_TILING_MICRO) 1335 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); 1336 1337 if (rdev->family >= CHIP_BONAIRE) { 1338 /* Read the pipe config from the 2D TILED SCANOUT mode. 1339 * It should be the same for the other modes too, but not all 1340 * modes set the pipe config field. */ 1341 u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f; 1342 1343 fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config); 1344 } else if ((rdev->family == CHIP_TAHITI) || 1345 (rdev->family == CHIP_PITCAIRN)) 1346 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16); 1347 else if ((rdev->family == CHIP_VERDE) || 1348 (rdev->family == CHIP_OLAND) || 1349 (rdev->family == CHIP_HAINAN)) /* for completeness. HAINAN has no display hw */ 1350 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16); 1351 1352 switch (radeon_crtc->crtc_id) { 1353 case 0: 1354 WREG32(AVIVO_D1VGA_CONTROL, 0); 1355 break; 1356 case 1: 1357 WREG32(AVIVO_D2VGA_CONTROL, 0); 1358 break; 1359 case 2: 1360 WREG32(EVERGREEN_D3VGA_CONTROL, 0); 1361 break; 1362 case 3: 1363 WREG32(EVERGREEN_D4VGA_CONTROL, 0); 1364 break; 1365 case 4: 1366 WREG32(EVERGREEN_D5VGA_CONTROL, 0); 1367 break; 1368 case 5: 1369 WREG32(EVERGREEN_D6VGA_CONTROL, 0); 1370 break; 1371 default: 1372 break; 1373 } 1374 1375 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 1376 upper_32_bits(fb_location)); 1377 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 1378 upper_32_bits(fb_location)); 1379 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1380 (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); 1381 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1382 (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); 1383 WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); 1384 WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); 1385 1386 /* 1387 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 1388 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 1389 * retain the full precision throughout the pipeline. 1390 */ 1391 WREG32_P(EVERGREEN_GRPH_LUT_10BIT_BYPASS_CONTROL + radeon_crtc->crtc_offset, 1392 (bypass_lut ? EVERGREEN_LUT_10BIT_BYPASS_EN : 0), 1393 ~EVERGREEN_LUT_10BIT_BYPASS_EN); 1394 1395 if (bypass_lut) 1396 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 1397 1398 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); 1399 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); 1400 WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0); 1401 WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0); 1402 WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); 1403 WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); 1404 1405 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8); 1406 WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); 1407 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); 1408 1409 if (rdev->family >= CHIP_BONAIRE) 1410 WREG32(CIK_LB_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1411 target_fb->height); 1412 else 1413 WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1414 target_fb->height); 1415 x &= ~3; 1416 y &= ~1; 1417 WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset, 1418 (x << 16) | y); 1419 viewport_w = crtc->mode.hdisplay; 1420 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 1421 if ((rdev->family >= CHIP_BONAIRE) && 1422 (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)) 1423 viewport_h *= 2; 1424 WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, 1425 (viewport_w << 16) | viewport_h); 1426 1427 /* pageflip setup */ 1428 /* make sure flip is at vb rather than hb */ 1429 tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); 1430 tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN; 1431 WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); 1432 1433 /* set pageflip to happen only at start of vblank interval (front porch) */ 1434 WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); 1435 1436 if (!atomic && fb && fb != crtc->primary->fb) { 1437 radeon_fb = to_radeon_framebuffer(fb); 1438 rbo = gem_to_radeon_bo(radeon_fb->obj); 1439 r = radeon_bo_reserve(rbo, false); 1440 if (unlikely(r != 0)) 1441 return r; 1442 radeon_bo_unpin(rbo); 1443 radeon_bo_unreserve(rbo); 1444 } 1445 1446 /* Bytes per pixel may have changed */ 1447 radeon_bandwidth_update(rdev); 1448 1449 return 0; 1450} 1451 1452static int avivo_crtc_do_set_base(struct drm_crtc *crtc, 1453 struct drm_framebuffer *fb, 1454 int x, int y, int atomic) 1455{ 1456 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1457 struct drm_device *dev = crtc->dev; 1458 struct radeon_device *rdev = dev->dev_private; 1459 struct radeon_framebuffer *radeon_fb; 1460 struct drm_gem_object *obj; 1461 struct radeon_bo *rbo; 1462 struct drm_framebuffer *target_fb; 1463 uint64_t fb_location; 1464 uint32_t fb_format, fb_pitch_pixels, tiling_flags; 1465 u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; 1466 u32 tmp, viewport_w, viewport_h; 1467 int r; 1468 bool bypass_lut = false; 1469 1470 /* no fb bound */ 1471 if (!atomic && !crtc->primary->fb) { 1472 DRM_DEBUG_KMS("No FB bound\n"); 1473 return 0; 1474 } 1475 1476 if (atomic) { 1477 radeon_fb = to_radeon_framebuffer(fb); 1478 target_fb = fb; 1479 } 1480 else { 1481 radeon_fb = to_radeon_framebuffer(crtc->primary->fb); 1482 target_fb = crtc->primary->fb; 1483 } 1484 1485 obj = radeon_fb->obj; 1486 rbo = gem_to_radeon_bo(obj); 1487 r = radeon_bo_reserve(rbo, false); 1488 if (unlikely(r != 0)) 1489 return r; 1490 1491 /* If atomic, assume fb object is pinned & idle & fenced and 1492 * just update base pointers 1493 */ 1494 if (atomic) 1495 fb_location = radeon_bo_gpu_offset(rbo); 1496 else { 1497 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); 1498 if (unlikely(r != 0)) { 1499 radeon_bo_unreserve(rbo); 1500 return -EINVAL; 1501 } 1502 } 1503 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); 1504 radeon_bo_unreserve(rbo); 1505 1506 switch (target_fb->pixel_format) { 1507 case DRM_FORMAT_C8: 1508 fb_format = 1509 AVIVO_D1GRPH_CONTROL_DEPTH_8BPP | 1510 AVIVO_D1GRPH_CONTROL_8BPP_INDEXED; 1511 break; 1512 case DRM_FORMAT_XRGB4444: 1513 case DRM_FORMAT_ARGB4444: 1514 fb_format = 1515 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1516 AVIVO_D1GRPH_CONTROL_16BPP_ARGB4444; 1517#ifdef __BIG_ENDIAN 1518 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1519#endif 1520 break; 1521 case DRM_FORMAT_XRGB1555: 1522 fb_format = 1523 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1524 AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555; 1525#ifdef __BIG_ENDIAN 1526 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1527#endif 1528 break; 1529 case DRM_FORMAT_RGB565: 1530 fb_format = 1531 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1532 AVIVO_D1GRPH_CONTROL_16BPP_RGB565; 1533#ifdef __BIG_ENDIAN 1534 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1535#endif 1536 break; 1537 case DRM_FORMAT_XRGB8888: 1538 case DRM_FORMAT_ARGB8888: 1539 fb_format = 1540 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | 1541 AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; 1542#ifdef __BIG_ENDIAN 1543 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; 1544#endif 1545 break; 1546 case DRM_FORMAT_XRGB2101010: 1547 case DRM_FORMAT_ARGB2101010: 1548 fb_format = 1549 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | 1550 AVIVO_D1GRPH_CONTROL_32BPP_ARGB2101010; 1551#ifdef __BIG_ENDIAN 1552 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; 1553#endif 1554 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1555 bypass_lut = true; 1556 break; 1557 default: 1558 DRM_ERROR("Unsupported screen format %s\n", 1559 drm_get_format_name(target_fb->pixel_format)); 1560 return -EINVAL; 1561 } 1562 1563 if (rdev->family >= CHIP_R600) { 1564 if (tiling_flags & RADEON_TILING_MACRO) 1565 fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1; 1566 else if (tiling_flags & RADEON_TILING_MICRO) 1567 fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1; 1568 } else { 1569 if (tiling_flags & RADEON_TILING_MACRO) 1570 fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE; 1571 1572 if (tiling_flags & RADEON_TILING_MICRO) 1573 fb_format |= AVIVO_D1GRPH_TILED; 1574 } 1575 1576 if (radeon_crtc->crtc_id == 0) 1577 WREG32(AVIVO_D1VGA_CONTROL, 0); 1578 else 1579 WREG32(AVIVO_D2VGA_CONTROL, 0); 1580 1581 if (rdev->family >= CHIP_RV770) { 1582 if (radeon_crtc->crtc_id) { 1583 WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1584 WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1585 } else { 1586 WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1587 WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1588 } 1589 } 1590 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1591 (u32) fb_location); 1592 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + 1593 radeon_crtc->crtc_offset, (u32) fb_location); 1594 WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); 1595 if (rdev->family >= CHIP_R600) 1596 WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); 1597 1598 /* LUT only has 256 slots for 8 bpc fb. Bypass for > 8 bpc scanout for precision */ 1599 WREG32_P(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, 1600 (bypass_lut ? AVIVO_LUT_10BIT_BYPASS_EN : 0), ~AVIVO_LUT_10BIT_BYPASS_EN); 1601 1602 if (bypass_lut) 1603 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 1604 1605 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); 1606 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); 1607 WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0); 1608 WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0); 1609 WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); 1610 WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); 1611 1612 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8); 1613 WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); 1614 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); 1615 1616 WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1617 target_fb->height); 1618 x &= ~3; 1619 y &= ~1; 1620 WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, 1621 (x << 16) | y); 1622 viewport_w = crtc->mode.hdisplay; 1623 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 1624 WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, 1625 (viewport_w << 16) | viewport_h); 1626 1627 /* pageflip setup */ 1628 /* make sure flip is at vb rather than hb */ 1629 tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); 1630 tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN; 1631 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); 1632 1633 /* set pageflip to happen only at start of vblank interval (front porch) */ 1634 WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); 1635 1636 if (!atomic && fb && fb != crtc->primary->fb) { 1637 radeon_fb = to_radeon_framebuffer(fb); 1638 rbo = gem_to_radeon_bo(radeon_fb->obj); 1639 r = radeon_bo_reserve(rbo, false); 1640 if (unlikely(r != 0)) 1641 return r; 1642 radeon_bo_unpin(rbo); 1643 radeon_bo_unreserve(rbo); 1644 } 1645 1646 /* Bytes per pixel may have changed */ 1647 radeon_bandwidth_update(rdev); 1648 1649 return 0; 1650} 1651 1652int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y, 1653 struct drm_framebuffer *old_fb) 1654{ 1655 struct drm_device *dev = crtc->dev; 1656 struct radeon_device *rdev = dev->dev_private; 1657 1658 if (ASIC_IS_DCE4(rdev)) 1659 return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0); 1660 else if (ASIC_IS_AVIVO(rdev)) 1661 return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0); 1662 else 1663 return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0); 1664} 1665 1666int atombios_crtc_set_base_atomic(struct drm_crtc *crtc, 1667 struct drm_framebuffer *fb, 1668 int x, int y, enum mode_set_atomic state) 1669{ 1670 struct drm_device *dev = crtc->dev; 1671 struct radeon_device *rdev = dev->dev_private; 1672 1673 if (ASIC_IS_DCE4(rdev)) 1674 return dce4_crtc_do_set_base(crtc, fb, x, y, 1); 1675 else if (ASIC_IS_AVIVO(rdev)) 1676 return avivo_crtc_do_set_base(crtc, fb, x, y, 1); 1677 else 1678 return radeon_crtc_do_set_base(crtc, fb, x, y, 1); 1679} 1680 1681/* properly set additional regs when using atombios */ 1682static void radeon_legacy_atom_fixup(struct drm_crtc *crtc) 1683{ 1684 struct drm_device *dev = crtc->dev; 1685 struct radeon_device *rdev = dev->dev_private; 1686 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1687 u32 disp_merge_cntl; 1688 1689 switch (radeon_crtc->crtc_id) { 1690 case 0: 1691 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL); 1692 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN; 1693 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl); 1694 break; 1695 case 1: 1696 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL); 1697 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN; 1698 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl); 1699 WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID)); 1700 WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID)); 1701 break; 1702 } 1703} 1704 1705/** 1706 * radeon_get_pll_use_mask - look up a mask of which pplls are in use 1707 * 1708 * @crtc: drm crtc 1709 * 1710 * Returns the mask of which PPLLs (Pixel PLLs) are in use. 1711 */ 1712static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc) 1713{ 1714 struct drm_device *dev = crtc->dev; 1715 struct drm_crtc *test_crtc; 1716 struct radeon_crtc *test_radeon_crtc; 1717 u32 pll_in_use = 0; 1718 1719 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1720 if (crtc == test_crtc) 1721 continue; 1722 1723 test_radeon_crtc = to_radeon_crtc(test_crtc); 1724 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1725 pll_in_use |= (1 << test_radeon_crtc->pll_id); 1726 } 1727 return pll_in_use; 1728} 1729 1730/** 1731 * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP 1732 * 1733 * @crtc: drm crtc 1734 * 1735 * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is 1736 * also in DP mode. For DP, a single PPLL can be used for all DP 1737 * crtcs/encoders. 1738 */ 1739static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc) 1740{ 1741 struct drm_device *dev = crtc->dev; 1742 struct radeon_device *rdev = dev->dev_private; 1743 struct drm_crtc *test_crtc; 1744 struct radeon_crtc *test_radeon_crtc; 1745 1746 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1747 if (crtc == test_crtc) 1748 continue; 1749 test_radeon_crtc = to_radeon_crtc(test_crtc); 1750 if (test_radeon_crtc->encoder && 1751 ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { 1752 /* PPLL2 is exclusive to UNIPHYA on DCE61 */ 1753 if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && 1754 test_radeon_crtc->pll_id == ATOM_PPLL2) 1755 continue; 1756 /* for DP use the same PLL for all */ 1757 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1758 return test_radeon_crtc->pll_id; 1759 } 1760 } 1761 return ATOM_PPLL_INVALID; 1762} 1763 1764/** 1765 * radeon_get_shared_nondp_ppll - return the PPLL used by another non-DP crtc 1766 * 1767 * @crtc: drm crtc 1768 * @encoder: drm encoder 1769 * 1770 * Returns the PPLL (Pixel PLL) used by another non-DP crtc/encoder which can 1771 * be shared (i.e., same clock). 1772 */ 1773static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc) 1774{ 1775 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1776 struct drm_device *dev = crtc->dev; 1777 struct radeon_device *rdev = dev->dev_private; 1778 struct drm_crtc *test_crtc; 1779 struct radeon_crtc *test_radeon_crtc; 1780 u32 adjusted_clock, test_adjusted_clock; 1781 1782 adjusted_clock = radeon_crtc->adjusted_clock; 1783 1784 if (adjusted_clock == 0) 1785 return ATOM_PPLL_INVALID; 1786 1787 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1788 if (crtc == test_crtc) 1789 continue; 1790 test_radeon_crtc = to_radeon_crtc(test_crtc); 1791 if (test_radeon_crtc->encoder && 1792 !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { 1793 /* PPLL2 is exclusive to UNIPHYA on DCE61 */ 1794 if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && 1795 test_radeon_crtc->pll_id == ATOM_PPLL2) 1796 continue; 1797 /* check if we are already driving this connector with another crtc */ 1798 if (test_radeon_crtc->connector == radeon_crtc->connector) { 1799 /* if we are, return that pll */ 1800 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1801 return test_radeon_crtc->pll_id; 1802 } 1803 /* for non-DP check the clock */ 1804 test_adjusted_clock = test_radeon_crtc->adjusted_clock; 1805 if ((crtc->mode.clock == test_crtc->mode.clock) && 1806 (adjusted_clock == test_adjusted_clock) && 1807 (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) && 1808 (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)) 1809 return test_radeon_crtc->pll_id; 1810 } 1811 } 1812 return ATOM_PPLL_INVALID; 1813} 1814 1815/** 1816 * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc. 1817 * 1818 * @crtc: drm crtc 1819 * 1820 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 1821 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 1822 * monitors a dedicated PPLL must be used. If a particular board has 1823 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 1824 * as there is no need to program the PLL itself. If we are not able to 1825 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 1826 * avoid messing up an existing monitor. 1827 * 1828 * Asic specific PLL information 1829 * 1830 * DCE 8.x 1831 * KB/KV 1832 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 1833 * CI 1834 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1835 * 1836 * DCE 6.1 1837 * - PPLL2 is only available to UNIPHYA (both DP and non-DP) 1838 * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP) 1839 * 1840 * DCE 6.0 1841 * - PPLL0 is available to all UNIPHY (DP only) 1842 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1843 * 1844 * DCE 5.0 1845 * - DCPLL is available to all UNIPHY (DP only) 1846 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1847 * 1848 * DCE 3.0/4.0/4.1 1849 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1850 * 1851 */ 1852static int radeon_atom_pick_pll(struct drm_crtc *crtc) 1853{ 1854 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1855 struct drm_device *dev = crtc->dev; 1856 struct radeon_device *rdev = dev->dev_private; 1857 struct radeon_encoder *radeon_encoder = 1858 to_radeon_encoder(radeon_crtc->encoder); 1859 u32 pll_in_use; 1860 int pll; 1861 1862 if (ASIC_IS_DCE8(rdev)) { 1863 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1864 if (rdev->clock.dp_extclk) 1865 /* skip PPLL programming if using ext clock */ 1866 return ATOM_PPLL_INVALID; 1867 else { 1868 /* use the same PPLL for all DP monitors */ 1869 pll = radeon_get_shared_dp_ppll(crtc); 1870 if (pll != ATOM_PPLL_INVALID) 1871 return pll; 1872 } 1873 } else { 1874 /* use the same PPLL for all monitors with the same clock */ 1875 pll = radeon_get_shared_nondp_ppll(crtc); 1876 if (pll != ATOM_PPLL_INVALID) 1877 return pll; 1878 } 1879 /* otherwise, pick one of the plls */ 1880 if ((rdev->family == CHIP_KABINI) || 1881 (rdev->family == CHIP_MULLINS)) { 1882 /* KB/ML has PPLL1 and PPLL2 */ 1883 pll_in_use = radeon_get_pll_use_mask(crtc); 1884 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1885 return ATOM_PPLL2; 1886 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1887 return ATOM_PPLL1; 1888 DRM_ERROR("unable to allocate a PPLL\n"); 1889 return ATOM_PPLL_INVALID; 1890 } else { 1891 /* CI/KV has PPLL0, PPLL1, and PPLL2 */ 1892 pll_in_use = radeon_get_pll_use_mask(crtc); 1893 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1894 return ATOM_PPLL2; 1895 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1896 return ATOM_PPLL1; 1897 if (!(pll_in_use & (1 << ATOM_PPLL0))) 1898 return ATOM_PPLL0; 1899 DRM_ERROR("unable to allocate a PPLL\n"); 1900 return ATOM_PPLL_INVALID; 1901 } 1902 } else if (ASIC_IS_DCE61(rdev)) { 1903 struct radeon_encoder_atom_dig *dig = 1904 radeon_encoder->enc_priv; 1905 1906 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY) && 1907 (dig->linkb == false)) 1908 /* UNIPHY A uses PPLL2 */ 1909 return ATOM_PPLL2; 1910 else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1911 /* UNIPHY B/C/D/E/F */ 1912 if (rdev->clock.dp_extclk) 1913 /* skip PPLL programming if using ext clock */ 1914 return ATOM_PPLL_INVALID; 1915 else { 1916 /* use the same PPLL for all DP monitors */ 1917 pll = radeon_get_shared_dp_ppll(crtc); 1918 if (pll != ATOM_PPLL_INVALID) 1919 return pll; 1920 } 1921 } else { 1922 /* use the same PPLL for all monitors with the same clock */ 1923 pll = radeon_get_shared_nondp_ppll(crtc); 1924 if (pll != ATOM_PPLL_INVALID) 1925 return pll; 1926 } 1927 /* UNIPHY B/C/D/E/F */ 1928 pll_in_use = radeon_get_pll_use_mask(crtc); 1929 if (!(pll_in_use & (1 << ATOM_PPLL0))) 1930 return ATOM_PPLL0; 1931 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1932 return ATOM_PPLL1; 1933 DRM_ERROR("unable to allocate a PPLL\n"); 1934 return ATOM_PPLL_INVALID; 1935 } else if (ASIC_IS_DCE41(rdev)) { 1936 /* Don't share PLLs on DCE4.1 chips */ 1937 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1938 if (rdev->clock.dp_extclk) 1939 /* skip PPLL programming if using ext clock */ 1940 return ATOM_PPLL_INVALID; 1941 } 1942 pll_in_use = radeon_get_pll_use_mask(crtc); 1943 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1944 return ATOM_PPLL1; 1945 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1946 return ATOM_PPLL2; 1947 DRM_ERROR("unable to allocate a PPLL\n"); 1948 return ATOM_PPLL_INVALID; 1949 } else if (ASIC_IS_DCE4(rdev)) { 1950 /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock, 1951 * depending on the asic: 1952 * DCE4: PPLL or ext clock 1953 * DCE5: PPLL, DCPLL, or ext clock 1954 * DCE6: PPLL, PPLL0, or ext clock 1955 * 1956 * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip 1957 * PPLL/DCPLL programming and only program the DP DTO for the 1958 * crtc virtual pixel clock. 1959 */ 1960 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1961 if (rdev->clock.dp_extclk) 1962 /* skip PPLL programming if using ext clock */ 1963 return ATOM_PPLL_INVALID; 1964 else if (ASIC_IS_DCE6(rdev)) 1965 /* use PPLL0 for all DP */ 1966 return ATOM_PPLL0; 1967 else if (ASIC_IS_DCE5(rdev)) 1968 /* use DCPLL for all DP */ 1969 return ATOM_DCPLL; 1970 else { 1971 /* use the same PPLL for all DP monitors */ 1972 pll = radeon_get_shared_dp_ppll(crtc); 1973 if (pll != ATOM_PPLL_INVALID) 1974 return pll; 1975 } 1976 } else { 1977 /* use the same PPLL for all monitors with the same clock */ 1978 pll = radeon_get_shared_nondp_ppll(crtc); 1979 if (pll != ATOM_PPLL_INVALID) 1980 return pll; 1981 } 1982 /* all other cases */ 1983 pll_in_use = radeon_get_pll_use_mask(crtc); 1984 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1985 return ATOM_PPLL1; 1986 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1987 return ATOM_PPLL2; 1988 DRM_ERROR("unable to allocate a PPLL\n"); 1989 return ATOM_PPLL_INVALID; 1990 } else { 1991 /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ 1992 /* some atombios (observed in some DCE2/DCE3) code have a bug, 1993 * the matching btw pll and crtc is done through 1994 * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the 1995 * pll (1 or 2) to select which register to write. ie if using 1996 * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2 1997 * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to 1998 * choose which value to write. Which is reverse order from 1999 * register logic. So only case that works is when pllid is 2000 * same as crtcid or when both pll and crtc are enabled and 2001 * both use same clock. 2002 * 2003 * So just return crtc id as if crtc and pll were hard linked 2004 * together even if they aren't 2005 */ 2006 return radeon_crtc->crtc_id; 2007 } 2008} 2009 2010void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev) 2011{ 2012 /* always set DCPLL */ 2013 if (ASIC_IS_DCE6(rdev)) 2014 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); 2015 else if (ASIC_IS_DCE4(rdev)) { 2016 struct radeon_atom_ss ss; 2017 bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, 2018 ASIC_INTERNAL_SS_ON_DCPLL, 2019 rdev->clock.default_dispclk); 2020 if (ss_enabled) 2021 atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, -1, &ss); 2022 /* XXX: DCE5, make sure voltage, dispclk is high enough */ 2023 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); 2024 if (ss_enabled) 2025 atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, -1, &ss); 2026 } 2027 2028} 2029 2030int atombios_crtc_mode_set(struct drm_crtc *crtc, 2031 struct drm_display_mode *mode, 2032 struct drm_display_mode *adjusted_mode, 2033 int x, int y, struct drm_framebuffer *old_fb) 2034{ 2035 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2036 struct drm_device *dev = crtc->dev; 2037 struct radeon_device *rdev = dev->dev_private; 2038 struct radeon_encoder *radeon_encoder = 2039 to_radeon_encoder(radeon_crtc->encoder); 2040 bool is_tvcv = false; 2041 2042 if (radeon_encoder->active_device & 2043 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) 2044 is_tvcv = true; 2045 2046 if (!radeon_crtc->adjusted_clock) 2047 return -EINVAL; 2048 2049 atombios_crtc_set_pll(crtc, adjusted_mode); 2050 2051 if (ASIC_IS_DCE4(rdev)) 2052 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2053 else if (ASIC_IS_AVIVO(rdev)) { 2054 if (is_tvcv) 2055 atombios_crtc_set_timing(crtc, adjusted_mode); 2056 else 2057 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2058 } else { 2059 atombios_crtc_set_timing(crtc, adjusted_mode); 2060 if (radeon_crtc->crtc_id == 0) 2061 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2062 radeon_legacy_atom_fixup(crtc); 2063 } 2064 atombios_crtc_set_base(crtc, x, y, old_fb); 2065 atombios_overscan_setup(crtc, mode, adjusted_mode); 2066 atombios_scaler_setup(crtc); 2067 radeon_cursor_reset(crtc); 2068 /* update the hw version fpr dpm */ 2069 radeon_crtc->hw_mode = *adjusted_mode; 2070 2071 return 0; 2072} 2073 2074static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc, 2075 const struct drm_display_mode *mode, 2076 struct drm_display_mode *adjusted_mode) 2077{ 2078 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2079 struct drm_device *dev = crtc->dev; 2080 struct drm_encoder *encoder; 2081 2082 /* assign the encoder to the radeon crtc to avoid repeated lookups later */ 2083 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2084 if (encoder->crtc == crtc) { 2085 radeon_crtc->encoder = encoder; 2086 radeon_crtc->connector = radeon_get_connector_for_encoder(encoder); 2087 break; 2088 } 2089 } 2090 if ((radeon_crtc->encoder == NULL) || (radeon_crtc->connector == NULL)) { 2091 radeon_crtc->encoder = NULL; 2092 radeon_crtc->connector = NULL; 2093 return false; 2094 } 2095 if (radeon_crtc->encoder) { 2096 struct radeon_encoder *radeon_encoder = 2097 to_radeon_encoder(radeon_crtc->encoder); 2098 2099 radeon_crtc->output_csc = radeon_encoder->output_csc; 2100 } 2101 if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2102 return false; 2103 if (!atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2104 return false; 2105 /* pick pll */ 2106 radeon_crtc->pll_id = radeon_atom_pick_pll(crtc); 2107 /* if we can't get a PPLL for a non-DP encoder, fail */ 2108 if ((radeon_crtc->pll_id == ATOM_PPLL_INVALID) && 2109 !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) 2110 return false; 2111 2112 return true; 2113} 2114 2115static void atombios_crtc_prepare(struct drm_crtc *crtc) 2116{ 2117 struct drm_device *dev = crtc->dev; 2118 struct radeon_device *rdev = dev->dev_private; 2119 2120 /* disable crtc pair power gating before programming */ 2121 if (ASIC_IS_DCE6(rdev)) 2122 atombios_powergate_crtc(crtc, ATOM_DISABLE); 2123 2124 atombios_lock_crtc(crtc, ATOM_ENABLE); 2125 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2126} 2127 2128static void atombios_crtc_commit(struct drm_crtc *crtc) 2129{ 2130 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2131 atombios_lock_crtc(crtc, ATOM_DISABLE); 2132} 2133 2134static void atombios_crtc_disable(struct drm_crtc *crtc) 2135{ 2136 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2137 struct drm_device *dev = crtc->dev; 2138 struct radeon_device *rdev = dev->dev_private; 2139 struct radeon_atom_ss ss; 2140 int i; 2141 2142 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2143 if (crtc->primary->fb) { 2144 int r; 2145 struct radeon_framebuffer *radeon_fb; 2146 struct radeon_bo *rbo; 2147 2148 radeon_fb = to_radeon_framebuffer(crtc->primary->fb); 2149 rbo = gem_to_radeon_bo(radeon_fb->obj); 2150 r = radeon_bo_reserve(rbo, false); 2151 if (unlikely(r)) 2152 DRM_ERROR("failed to reserve rbo before unpin\n"); 2153 else { 2154 radeon_bo_unpin(rbo); 2155 radeon_bo_unreserve(rbo); 2156 } 2157 } 2158 /* disable the GRPH */ 2159 if (ASIC_IS_DCE4(rdev)) 2160 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 0); 2161 else if (ASIC_IS_AVIVO(rdev)) 2162 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 0); 2163 2164 if (ASIC_IS_DCE6(rdev)) 2165 atombios_powergate_crtc(crtc, ATOM_ENABLE); 2166 2167 for (i = 0; i < rdev->num_crtc; i++) { 2168 if (rdev->mode_info.crtcs[i] && 2169 rdev->mode_info.crtcs[i]->enabled && 2170 i != radeon_crtc->crtc_id && 2171 radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) { 2172 /* one other crtc is using this pll don't turn 2173 * off the pll 2174 */ 2175 goto done; 2176 } 2177 } 2178 2179 switch (radeon_crtc->pll_id) { 2180 case ATOM_PPLL1: 2181 case ATOM_PPLL2: 2182 /* disable the ppll */ 2183 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 2184 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2185 break; 2186 case ATOM_PPLL0: 2187 /* disable the ppll */ 2188 if ((rdev->family == CHIP_ARUBA) || 2189 (rdev->family == CHIP_KAVERI) || 2190 (rdev->family == CHIP_BONAIRE) || 2191 (rdev->family == CHIP_HAWAII)) 2192 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 2193 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2194 break; 2195 default: 2196 break; 2197 } 2198done: 2199 radeon_crtc->pll_id = ATOM_PPLL_INVALID; 2200 radeon_crtc->adjusted_clock = 0; 2201 radeon_crtc->encoder = NULL; 2202 radeon_crtc->connector = NULL; 2203} 2204 2205static const struct drm_crtc_helper_funcs atombios_helper_funcs = { 2206 .dpms = atombios_crtc_dpms, 2207 .mode_fixup = atombios_crtc_mode_fixup, 2208 .mode_set = atombios_crtc_mode_set, 2209 .mode_set_base = atombios_crtc_set_base, 2210 .mode_set_base_atomic = atombios_crtc_set_base_atomic, 2211 .prepare = atombios_crtc_prepare, 2212 .commit = atombios_crtc_commit, 2213 .load_lut = radeon_crtc_load_lut, 2214 .disable = atombios_crtc_disable, 2215}; 2216 2217void radeon_atombios_init_crtc(struct drm_device *dev, 2218 struct radeon_crtc *radeon_crtc) 2219{ 2220 struct radeon_device *rdev = dev->dev_private; 2221 2222 if (ASIC_IS_DCE4(rdev)) { 2223 switch (radeon_crtc->crtc_id) { 2224 case 0: 2225 default: 2226 radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET; 2227 break; 2228 case 1: 2229 radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET; 2230 break; 2231 case 2: 2232 radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET; 2233 break; 2234 case 3: 2235 radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET; 2236 break; 2237 case 4: 2238 radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET; 2239 break; 2240 case 5: 2241 radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET; 2242 break; 2243 } 2244 } else { 2245 if (radeon_crtc->crtc_id == 1) 2246 radeon_crtc->crtc_offset = 2247 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL; 2248 else 2249 radeon_crtc->crtc_offset = 0; 2250 } 2251 radeon_crtc->pll_id = ATOM_PPLL_INVALID; 2252 radeon_crtc->adjusted_clock = 0; 2253 radeon_crtc->encoder = NULL; 2254 radeon_crtc->connector = NULL; 2255 drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs); 2256} 2257