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 27 #include <drm/drm_crtc_helper.h> 28 #include <drm/drm_fb_helper.h> 29 #include <drm/drm_fixed.h> 30 #include <drm/drm_fourcc.h> 31 #include <drm/drm_vblank.h> 32 #include <drm/radeon_drm.h> 33 34 #include "radeon.h" 35 #include "atom.h" 36 #include "atom-bits.h" 37 38 static void atombios_overscan_setup(struct drm_crtc *crtc, 39 struct drm_display_mode *mode, 40 struct drm_display_mode *adjusted_mode) 41 { 42 struct drm_device *dev = crtc->dev; 43 struct radeon_device *rdev = dev->dev_private; 44 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 45 SET_CRTC_OVERSCAN_PS_ALLOCATION args; 46 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan); 47 int a1, a2; 48 49 memset(&args, 0, sizeof(args)); 50 51 args.ucCRTC = radeon_crtc->crtc_id; 52 53 switch (radeon_crtc->rmx_type) { 54 case RMX_CENTER: 55 args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2); 56 args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2); 57 args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2); 58 args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2); 59 break; 60 case RMX_ASPECT: 61 a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay; 62 a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay; 63 64 if (a1 > a2) { 65 args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2); 66 args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2); 67 } else if (a2 > a1) { 68 args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2); 69 args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2); 70 } 71 break; 72 case RMX_FULL: 73 default: 74 args.usOverscanRight = cpu_to_le16(radeon_crtc->h_border); 75 args.usOverscanLeft = cpu_to_le16(radeon_crtc->h_border); 76 args.usOverscanBottom = cpu_to_le16(radeon_crtc->v_border); 77 args.usOverscanTop = cpu_to_le16(radeon_crtc->v_border); 78 break; 79 } 80 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 81 } 82 83 static void atombios_scaler_setup(struct drm_crtc *crtc) 84 { 85 struct drm_device *dev = crtc->dev; 86 struct radeon_device *rdev = dev->dev_private; 87 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 88 ENABLE_SCALER_PS_ALLOCATION args; 89 int index = GetIndexIntoMasterTable(COMMAND, EnableScaler); 90 struct radeon_encoder *radeon_encoder = 91 to_radeon_encoder(radeon_crtc->encoder); 92 /* fixme - fill in enc_priv for atom dac */ 93 enum radeon_tv_std tv_std = TV_STD_NTSC; 94 bool is_tv = false, is_cv = false; 95 96 if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id) 97 return; 98 99 if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) { 100 struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv; 101 tv_std = tv_dac->tv_std; 102 is_tv = true; 103 } 104 105 memset(&args, 0, sizeof(args)); 106 107 args.ucScaler = radeon_crtc->crtc_id; 108 109 if (is_tv) { 110 switch (tv_std) { 111 case TV_STD_NTSC: 112 default: 113 args.ucTVStandard = ATOM_TV_NTSC; 114 break; 115 case TV_STD_PAL: 116 args.ucTVStandard = ATOM_TV_PAL; 117 break; 118 case TV_STD_PAL_M: 119 args.ucTVStandard = ATOM_TV_PALM; 120 break; 121 case TV_STD_PAL_60: 122 args.ucTVStandard = ATOM_TV_PAL60; 123 break; 124 case TV_STD_NTSC_J: 125 args.ucTVStandard = ATOM_TV_NTSCJ; 126 break; 127 case TV_STD_SCART_PAL: 128 args.ucTVStandard = ATOM_TV_PAL; /* ??? */ 129 break; 130 case TV_STD_SECAM: 131 args.ucTVStandard = ATOM_TV_SECAM; 132 break; 133 case TV_STD_PAL_CN: 134 args.ucTVStandard = ATOM_TV_PALCN; 135 break; 136 } 137 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; 138 } else if (is_cv) { 139 args.ucTVStandard = ATOM_TV_CV; 140 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; 141 } else { 142 switch (radeon_crtc->rmx_type) { 143 case RMX_FULL: 144 args.ucEnable = ATOM_SCALER_EXPANSION; 145 break; 146 case RMX_CENTER: 147 args.ucEnable = ATOM_SCALER_CENTER; 148 break; 149 case RMX_ASPECT: 150 args.ucEnable = ATOM_SCALER_EXPANSION; 151 break; 152 default: 153 if (ASIC_IS_AVIVO(rdev)) 154 args.ucEnable = ATOM_SCALER_DISABLE; 155 else 156 args.ucEnable = ATOM_SCALER_CENTER; 157 break; 158 } 159 } 160 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 161 if ((is_tv || is_cv) 162 && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) { 163 atom_rv515_force_tv_scaler(rdev, radeon_crtc); 164 } 165 } 166 167 static void atombios_lock_crtc(struct drm_crtc *crtc, int lock) 168 { 169 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 170 struct drm_device *dev = crtc->dev; 171 struct radeon_device *rdev = dev->dev_private; 172 int index = 173 GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters); 174 ENABLE_CRTC_PS_ALLOCATION args; 175 176 memset(&args, 0, sizeof(args)); 177 178 args.ucCRTC = radeon_crtc->crtc_id; 179 args.ucEnable = lock; 180 181 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 182 } 183 184 static void atombios_enable_crtc(struct drm_crtc *crtc, int state) 185 { 186 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 187 struct drm_device *dev = crtc->dev; 188 struct radeon_device *rdev = dev->dev_private; 189 int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC); 190 ENABLE_CRTC_PS_ALLOCATION args; 191 192 memset(&args, 0, sizeof(args)); 193 194 args.ucCRTC = radeon_crtc->crtc_id; 195 args.ucEnable = state; 196 197 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 198 } 199 200 static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state) 201 { 202 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 203 struct drm_device *dev = crtc->dev; 204 struct radeon_device *rdev = dev->dev_private; 205 int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq); 206 ENABLE_CRTC_PS_ALLOCATION args; 207 208 memset(&args, 0, sizeof(args)); 209 210 args.ucCRTC = radeon_crtc->crtc_id; 211 args.ucEnable = state; 212 213 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 214 } 215 216 static const u32 vga_control_regs[6] = 217 { 218 AVIVO_D1VGA_CONTROL, 219 AVIVO_D2VGA_CONTROL, 220 EVERGREEN_D3VGA_CONTROL, 221 EVERGREEN_D4VGA_CONTROL, 222 EVERGREEN_D5VGA_CONTROL, 223 EVERGREEN_D6VGA_CONTROL, 224 }; 225 226 static void atombios_blank_crtc(struct drm_crtc *crtc, int state) 227 { 228 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 229 struct drm_device *dev = crtc->dev; 230 struct radeon_device *rdev = dev->dev_private; 231 int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC); 232 BLANK_CRTC_PS_ALLOCATION args; 233 u32 vga_control = 0; 234 235 memset(&args, 0, sizeof(args)); 236 237 if (ASIC_IS_DCE8(rdev)) { 238 vga_control = RREG32(vga_control_regs[radeon_crtc->crtc_id]); 239 WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control | 1); 240 } 241 242 args.ucCRTC = radeon_crtc->crtc_id; 243 args.ucBlanking = state; 244 245 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 246 247 if (ASIC_IS_DCE8(rdev)) 248 WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control); 249 } 250 251 static void atombios_powergate_crtc(struct drm_crtc *crtc, int state) 252 { 253 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 254 struct drm_device *dev = crtc->dev; 255 struct radeon_device *rdev = dev->dev_private; 256 int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); 257 ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; 258 259 memset(&args, 0, sizeof(args)); 260 261 args.ucDispPipeId = radeon_crtc->crtc_id; 262 args.ucEnable = state; 263 264 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 265 } 266 267 void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) 268 { 269 struct drm_device *dev = crtc->dev; 270 struct radeon_device *rdev = dev->dev_private; 271 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 272 273 switch (mode) { 274 case DRM_MODE_DPMS_ON: 275 radeon_crtc->enabled = true; 276 atombios_enable_crtc(crtc, ATOM_ENABLE); 277 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) 278 atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); 279 atombios_blank_crtc(crtc, ATOM_DISABLE); 280 if (dev->num_crtcs > radeon_crtc->crtc_id) 281 drm_crtc_vblank_on(crtc); 282 radeon_crtc_load_lut(crtc); 283 break; 284 case DRM_MODE_DPMS_STANDBY: 285 case DRM_MODE_DPMS_SUSPEND: 286 case DRM_MODE_DPMS_OFF: 287 if (dev->num_crtcs > radeon_crtc->crtc_id) 288 drm_crtc_vblank_off(crtc); 289 if (radeon_crtc->enabled) 290 atombios_blank_crtc(crtc, ATOM_ENABLE); 291 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) 292 atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); 293 atombios_enable_crtc(crtc, ATOM_DISABLE); 294 radeon_crtc->enabled = false; 295 break; 296 } 297 /* adjust pm to dpms */ 298 radeon_pm_compute_clocks(rdev); 299 } 300 301 static void 302 atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, 303 struct drm_display_mode *mode) 304 { 305 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 306 struct drm_device *dev = crtc->dev; 307 struct radeon_device *rdev = dev->dev_private; 308 SET_CRTC_USING_DTD_TIMING_PARAMETERS args; 309 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming); 310 u16 misc = 0; 311 312 memset(&args, 0, sizeof(args)); 313 args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2)); 314 args.usH_Blanking_Time = 315 cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2)); 316 args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2)); 317 args.usV_Blanking_Time = 318 cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2)); 319 args.usH_SyncOffset = 320 cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border); 321 args.usH_SyncWidth = 322 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); 323 args.usV_SyncOffset = 324 cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border); 325 args.usV_SyncWidth = 326 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); 327 args.ucH_Border = radeon_crtc->h_border; 328 args.ucV_Border = radeon_crtc->v_border; 329 330 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 331 misc |= ATOM_VSYNC_POLARITY; 332 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 333 misc |= ATOM_HSYNC_POLARITY; 334 if (mode->flags & DRM_MODE_FLAG_CSYNC) 335 misc |= ATOM_COMPOSITESYNC; 336 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 337 misc |= ATOM_INTERLACE; 338 if (mode->flags & DRM_MODE_FLAG_DBLCLK) 339 misc |= ATOM_DOUBLE_CLOCK_MODE; 340 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 341 misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; 342 343 args.susModeMiscInfo.usAccess = cpu_to_le16(misc); 344 args.ucCRTC = radeon_crtc->crtc_id; 345 346 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 347 } 348 349 static void atombios_crtc_set_timing(struct drm_crtc *crtc, 350 struct drm_display_mode *mode) 351 { 352 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 353 struct drm_device *dev = crtc->dev; 354 struct radeon_device *rdev = dev->dev_private; 355 SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args; 356 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing); 357 u16 misc = 0; 358 359 memset(&args, 0, sizeof(args)); 360 args.usH_Total = cpu_to_le16(mode->crtc_htotal); 361 args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay); 362 args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start); 363 args.usH_SyncWidth = 364 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); 365 args.usV_Total = cpu_to_le16(mode->crtc_vtotal); 366 args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay); 367 args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start); 368 args.usV_SyncWidth = 369 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); 370 371 args.ucOverscanRight = radeon_crtc->h_border; 372 args.ucOverscanLeft = radeon_crtc->h_border; 373 args.ucOverscanBottom = radeon_crtc->v_border; 374 args.ucOverscanTop = radeon_crtc->v_border; 375 376 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 377 misc |= ATOM_VSYNC_POLARITY; 378 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 379 misc |= ATOM_HSYNC_POLARITY; 380 if (mode->flags & DRM_MODE_FLAG_CSYNC) 381 misc |= ATOM_COMPOSITESYNC; 382 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 383 misc |= ATOM_INTERLACE; 384 if (mode->flags & DRM_MODE_FLAG_DBLCLK) 385 misc |= ATOM_DOUBLE_CLOCK_MODE; 386 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 387 misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; 388 389 args.susModeMiscInfo.usAccess = cpu_to_le16(misc); 390 args.ucCRTC = radeon_crtc->crtc_id; 391 392 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 393 } 394 395 static void atombios_disable_ss(struct radeon_device *rdev, int pll_id) 396 { 397 u32 ss_cntl; 398 399 if (ASIC_IS_DCE4(rdev)) { 400 switch (pll_id) { 401 case ATOM_PPLL1: 402 ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL); 403 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; 404 WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl); 405 break; 406 case ATOM_PPLL2: 407 ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL); 408 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; 409 WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl); 410 break; 411 case ATOM_DCPLL: 412 case ATOM_PPLL_INVALID: 413 return; 414 } 415 } else if (ASIC_IS_AVIVO(rdev)) { 416 switch (pll_id) { 417 case ATOM_PPLL1: 418 ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL); 419 ss_cntl &= ~1; 420 WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl); 421 break; 422 case ATOM_PPLL2: 423 ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL); 424 ss_cntl &= ~1; 425 WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl); 426 break; 427 case ATOM_DCPLL: 428 case ATOM_PPLL_INVALID: 429 return; 430 } 431 } 432 } 433 434 435 union atom_enable_ss { 436 ENABLE_LVDS_SS_PARAMETERS lvds_ss; 437 ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2; 438 ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1; 439 ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2; 440 ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3; 441 }; 442 443 static void atombios_crtc_program_ss(struct radeon_device *rdev, 444 int enable, 445 int pll_id, 446 int crtc_id, 447 struct radeon_atom_ss *ss) 448 { 449 unsigned i; 450 int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL); 451 union atom_enable_ss args; 452 453 if (enable) { 454 /* Don't mess with SS if percentage is 0 or external ss. 455 * SS is already disabled previously, and disabling it 456 * again can cause display problems if the pll is already 457 * programmed. 458 */ 459 if (ss->percentage == 0) 460 return; 461 if (ss->type & ATOM_EXTERNAL_SS_MASK) 462 return; 463 } else { 464 for (i = 0; i < rdev->num_crtc; i++) { 465 if (rdev->mode_info.crtcs[i] && 466 rdev->mode_info.crtcs[i]->enabled && 467 i != crtc_id && 468 pll_id == rdev->mode_info.crtcs[i]->pll_id) { 469 /* one other crtc is using this pll don't turn 470 * off spread spectrum as it might turn off 471 * display on active crtc 472 */ 473 return; 474 } 475 } 476 } 477 478 memset(&args, 0, sizeof(args)); 479 480 if (ASIC_IS_DCE5(rdev)) { 481 args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0); 482 args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 483 switch (pll_id) { 484 case ATOM_PPLL1: 485 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL; 486 break; 487 case ATOM_PPLL2: 488 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL; 489 break; 490 case ATOM_DCPLL: 491 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL; 492 break; 493 case ATOM_PPLL_INVALID: 494 return; 495 } 496 args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); 497 args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step); 498 args.v3.ucEnable = enable; 499 } else if (ASIC_IS_DCE4(rdev)) { 500 args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 501 args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 502 switch (pll_id) { 503 case ATOM_PPLL1: 504 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL; 505 break; 506 case ATOM_PPLL2: 507 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL; 508 break; 509 case ATOM_DCPLL: 510 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL; 511 break; 512 case ATOM_PPLL_INVALID: 513 return; 514 } 515 args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); 516 args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step); 517 args.v2.ucEnable = enable; 518 } else if (ASIC_IS_DCE3(rdev)) { 519 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 520 args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 521 args.v1.ucSpreadSpectrumStep = ss->step; 522 args.v1.ucSpreadSpectrumDelay = ss->delay; 523 args.v1.ucSpreadSpectrumRange = ss->range; 524 args.v1.ucPpll = pll_id; 525 args.v1.ucEnable = enable; 526 } else if (ASIC_IS_AVIVO(rdev)) { 527 if ((enable == ATOM_DISABLE) || (ss->percentage == 0) || 528 (ss->type & ATOM_EXTERNAL_SS_MASK)) { 529 atombios_disable_ss(rdev, pll_id); 530 return; 531 } 532 args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 533 args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 534 args.lvds_ss_2.ucSpreadSpectrumStep = ss->step; 535 args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay; 536 args.lvds_ss_2.ucSpreadSpectrumRange = ss->range; 537 args.lvds_ss_2.ucEnable = enable; 538 } else { 539 if (enable == ATOM_DISABLE) { 540 atombios_disable_ss(rdev, pll_id); 541 return; 542 } 543 args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 544 args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 545 args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2; 546 args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4; 547 args.lvds_ss.ucEnable = enable; 548 } 549 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 550 } 551 552 union adjust_pixel_clock { 553 ADJUST_DISPLAY_PLL_PS_ALLOCATION v1; 554 ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3; 555 }; 556 557 static u32 atombios_adjust_pll(struct drm_crtc *crtc, 558 struct drm_display_mode *mode) 559 { 560 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 561 struct drm_device *dev = crtc->dev; 562 struct radeon_device *rdev = dev->dev_private; 563 struct drm_encoder *encoder = radeon_crtc->encoder; 564 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 565 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 566 u32 adjusted_clock = mode->clock; 567 int encoder_mode = atombios_get_encoder_mode(encoder); 568 u32 dp_clock = mode->clock; 569 u32 clock = mode->clock; 570 int bpc = radeon_crtc->bpc; 571 bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock); 572 573 /* reset the pll flags */ 574 radeon_crtc->pll_flags = 0; 575 576 if (ASIC_IS_AVIVO(rdev)) { 577 if ((rdev->family == CHIP_RS600) || 578 (rdev->family == CHIP_RS690) || 579 (rdev->family == CHIP_RS740)) 580 radeon_crtc->pll_flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/ 581 RADEON_PLL_PREFER_CLOSEST_LOWER); 582 583 if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */ 584 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; 585 else 586 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; 587 588 if (rdev->family < CHIP_RV770) 589 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; 590 /* use frac fb div on APUs */ 591 if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) 592 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 593 /* use frac fb div on RS780/RS880 */ 594 if (((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) 595 && !radeon_crtc->ss_enabled) 596 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 597 if (ASIC_IS_DCE32(rdev) && mode->clock > 165000) 598 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 599 } else { 600 radeon_crtc->pll_flags |= RADEON_PLL_LEGACY; 601 602 if (mode->clock > 200000) /* range limits??? */ 603 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; 604 else 605 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; 606 } 607 608 if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || 609 (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) { 610 if (connector) { 611 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 612 struct radeon_connector_atom_dig *dig_connector = 613 radeon_connector->con_priv; 614 615 dp_clock = dig_connector->dp_clock; 616 } 617 } 618 619 if (radeon_encoder->is_mst_encoder) { 620 struct radeon_encoder_mst *mst_enc = radeon_encoder->enc_priv; 621 struct radeon_connector_atom_dig *dig_connector = mst_enc->connector->con_priv; 622 623 dp_clock = dig_connector->dp_clock; 624 } 625 626 /* use recommended ref_div for ss */ 627 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 628 if (radeon_crtc->ss_enabled) { 629 if (radeon_crtc->ss.refdiv) { 630 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 631 radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv; 632 if (ASIC_IS_AVIVO(rdev) && 633 rdev->family != CHIP_RS780 && 634 rdev->family != CHIP_RS880) 635 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 636 } 637 } 638 } 639 640 if (ASIC_IS_AVIVO(rdev)) { 641 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */ 642 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1) 643 adjusted_clock = mode->clock * 2; 644 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) 645 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_CLOSEST_LOWER; 646 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 647 radeon_crtc->pll_flags |= RADEON_PLL_IS_LCD; 648 } else { 649 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) 650 radeon_crtc->pll_flags |= RADEON_PLL_NO_ODD_POST_DIV; 651 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) 652 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 653 } 654 655 /* adjust pll for deep color modes */ 656 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 657 switch (bpc) { 658 case 8: 659 default: 660 break; 661 case 10: 662 clock = (clock * 5) / 4; 663 break; 664 case 12: 665 clock = (clock * 3) / 2; 666 break; 667 case 16: 668 clock = clock * 2; 669 break; 670 } 671 } 672 673 /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock 674 * accordingly based on the encoder/transmitter to work around 675 * special hw requirements. 676 */ 677 if (ASIC_IS_DCE3(rdev)) { 678 union adjust_pixel_clock args; 679 u8 frev, crev; 680 int index; 681 682 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll); 683 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 684 &crev)) 685 return adjusted_clock; 686 687 memset(&args, 0, sizeof(args)); 688 689 switch (frev) { 690 case 1: 691 switch (crev) { 692 case 1: 693 case 2: 694 args.v1.usPixelClock = cpu_to_le16(clock / 10); 695 args.v1.ucTransmitterID = radeon_encoder->encoder_id; 696 args.v1.ucEncodeMode = encoder_mode; 697 if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) 698 args.v1.ucConfig |= 699 ADJUST_DISPLAY_CONFIG_SS_ENABLE; 700 701 atom_execute_table(rdev->mode_info.atom_context, 702 index, (uint32_t *)&args); 703 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10; 704 break; 705 case 3: 706 args.v3.sInput.usPixelClock = cpu_to_le16(clock / 10); 707 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id; 708 args.v3.sInput.ucEncodeMode = encoder_mode; 709 args.v3.sInput.ucDispPllConfig = 0; 710 if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) 711 args.v3.sInput.ucDispPllConfig |= 712 DISPPLL_CONFIG_SS_ENABLE; 713 if (ENCODER_MODE_IS_DP(encoder_mode)) { 714 args.v3.sInput.ucDispPllConfig |= 715 DISPPLL_CONFIG_COHERENT_MODE; 716 /* 16200 or 27000 */ 717 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); 718 } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { 719 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 720 if (dig->coherent_mode) 721 args.v3.sInput.ucDispPllConfig |= 722 DISPPLL_CONFIG_COHERENT_MODE; 723 if (is_duallink) 724 args.v3.sInput.ucDispPllConfig |= 725 DISPPLL_CONFIG_DUAL_LINK; 726 } 727 if (radeon_encoder_get_dp_bridge_encoder_id(encoder) != 728 ENCODER_OBJECT_ID_NONE) 729 args.v3.sInput.ucExtTransmitterID = 730 radeon_encoder_get_dp_bridge_encoder_id(encoder); 731 else 732 args.v3.sInput.ucExtTransmitterID = 0; 733 734 atom_execute_table(rdev->mode_info.atom_context, 735 index, (uint32_t *)&args); 736 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10; 737 if (args.v3.sOutput.ucRefDiv) { 738 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 739 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 740 radeon_crtc->pll_reference_div = args.v3.sOutput.ucRefDiv; 741 } 742 if (args.v3.sOutput.ucPostDiv) { 743 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 744 radeon_crtc->pll_flags |= RADEON_PLL_USE_POST_DIV; 745 radeon_crtc->pll_post_div = args.v3.sOutput.ucPostDiv; 746 } 747 break; 748 default: 749 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 750 return adjusted_clock; 751 } 752 break; 753 default: 754 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 755 return adjusted_clock; 756 } 757 } 758 return adjusted_clock; 759 } 760 761 union set_pixel_clock { 762 SET_PIXEL_CLOCK_PS_ALLOCATION base; 763 PIXEL_CLOCK_PARAMETERS v1; 764 PIXEL_CLOCK_PARAMETERS_V2 v2; 765 PIXEL_CLOCK_PARAMETERS_V3 v3; 766 PIXEL_CLOCK_PARAMETERS_V5 v5; 767 PIXEL_CLOCK_PARAMETERS_V6 v6; 768 }; 769 770 /* on DCE5, make sure the voltage is high enough to support the 771 * required disp clk. 772 */ 773 static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev, 774 u32 dispclk) 775 { 776 u8 frev, crev; 777 int index; 778 union set_pixel_clock args; 779 780 memset(&args, 0, sizeof(args)); 781 782 index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); 783 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 784 &crev)) 785 return; 786 787 switch (frev) { 788 case 1: 789 switch (crev) { 790 case 5: 791 /* if the default dcpll clock is specified, 792 * SetPixelClock provides the dividers 793 */ 794 args.v5.ucCRTC = ATOM_CRTC_INVALID; 795 args.v5.usPixelClock = cpu_to_le16(dispclk); 796 args.v5.ucPpll = ATOM_DCPLL; 797 break; 798 case 6: 799 /* if the default dcpll clock is specified, 800 * SetPixelClock provides the dividers 801 */ 802 args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk); 803 if (ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) 804 args.v6.ucPpll = ATOM_EXT_PLL1; 805 else if (ASIC_IS_DCE6(rdev)) 806 args.v6.ucPpll = ATOM_PPLL0; 807 else 808 args.v6.ucPpll = ATOM_DCPLL; 809 break; 810 default: 811 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 812 return; 813 } 814 break; 815 default: 816 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 817 return; 818 } 819 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 820 } 821 822 static void atombios_crtc_program_pll(struct drm_crtc *crtc, 823 u32 crtc_id, 824 int pll_id, 825 u32 encoder_mode, 826 u32 encoder_id, 827 u32 clock, 828 u32 ref_div, 829 u32 fb_div, 830 u32 frac_fb_div, 831 u32 post_div, 832 int bpc, 833 bool ss_enabled, 834 struct radeon_atom_ss *ss) 835 { 836 struct drm_device *dev = crtc->dev; 837 struct radeon_device *rdev = dev->dev_private; 838 u8 frev, crev; 839 int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); 840 union set_pixel_clock args; 841 842 memset(&args, 0, sizeof(args)); 843 844 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 845 &crev)) 846 return; 847 848 switch (frev) { 849 case 1: 850 switch (crev) { 851 case 1: 852 if (clock == ATOM_DISABLE) 853 return; 854 args.v1.usPixelClock = cpu_to_le16(clock / 10); 855 args.v1.usRefDiv = cpu_to_le16(ref_div); 856 args.v1.usFbDiv = cpu_to_le16(fb_div); 857 args.v1.ucFracFbDiv = frac_fb_div; 858 args.v1.ucPostDiv = post_div; 859 args.v1.ucPpll = pll_id; 860 args.v1.ucCRTC = crtc_id; 861 args.v1.ucRefDivSrc = 1; 862 break; 863 case 2: 864 args.v2.usPixelClock = cpu_to_le16(clock / 10); 865 args.v2.usRefDiv = cpu_to_le16(ref_div); 866 args.v2.usFbDiv = cpu_to_le16(fb_div); 867 args.v2.ucFracFbDiv = frac_fb_div; 868 args.v2.ucPostDiv = post_div; 869 args.v2.ucPpll = pll_id; 870 args.v2.ucCRTC = crtc_id; 871 args.v2.ucRefDivSrc = 1; 872 break; 873 case 3: 874 args.v3.usPixelClock = cpu_to_le16(clock / 10); 875 args.v3.usRefDiv = cpu_to_le16(ref_div); 876 args.v3.usFbDiv = cpu_to_le16(fb_div); 877 args.v3.ucFracFbDiv = frac_fb_div; 878 args.v3.ucPostDiv = post_div; 879 args.v3.ucPpll = pll_id; 880 if (crtc_id == ATOM_CRTC2) 881 args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2; 882 else 883 args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1; 884 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 885 args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC; 886 args.v3.ucTransmitterId = encoder_id; 887 args.v3.ucEncoderMode = encoder_mode; 888 break; 889 case 5: 890 args.v5.ucCRTC = crtc_id; 891 args.v5.usPixelClock = cpu_to_le16(clock / 10); 892 args.v5.ucRefDiv = ref_div; 893 args.v5.usFbDiv = cpu_to_le16(fb_div); 894 args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); 895 args.v5.ucPostDiv = post_div; 896 args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */ 897 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 898 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC; 899 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 900 switch (bpc) { 901 case 8: 902 default: 903 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; 904 break; 905 case 10: 906 /* yes this is correct, the atom define is wrong */ 907 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_32BPP; 908 break; 909 case 12: 910 /* yes this is correct, the atom define is wrong */ 911 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; 912 break; 913 } 914 } 915 args.v5.ucTransmitterID = encoder_id; 916 args.v5.ucEncoderMode = encoder_mode; 917 args.v5.ucPpll = pll_id; 918 break; 919 case 6: 920 args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10); 921 args.v6.ucRefDiv = ref_div; 922 args.v6.usFbDiv = cpu_to_le16(fb_div); 923 args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); 924 args.v6.ucPostDiv = post_div; 925 args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */ 926 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 927 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC; 928 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 929 switch (bpc) { 930 case 8: 931 default: 932 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; 933 break; 934 case 10: 935 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP_V6; 936 break; 937 case 12: 938 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP_V6; 939 break; 940 case 16: 941 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; 942 break; 943 } 944 } 945 args.v6.ucTransmitterID = encoder_id; 946 args.v6.ucEncoderMode = encoder_mode; 947 args.v6.ucPpll = pll_id; 948 break; 949 default: 950 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 951 return; 952 } 953 break; 954 default: 955 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 956 return; 957 } 958 959 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 960 } 961 962 static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) 963 { 964 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 965 struct drm_device *dev = crtc->dev; 966 struct radeon_device *rdev = dev->dev_private; 967 struct radeon_encoder *radeon_encoder = 968 to_radeon_encoder(radeon_crtc->encoder); 969 int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); 970 971 radeon_crtc->bpc = 8; 972 radeon_crtc->ss_enabled = false; 973 974 if (radeon_encoder->is_mst_encoder) { 975 radeon_dp_mst_prepare_pll(crtc, mode); 976 } else if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || 977 (radeon_encoder_get_dp_bridge_encoder_id(radeon_crtc->encoder) != ENCODER_OBJECT_ID_NONE)) { 978 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 979 struct drm_connector *connector = 980 radeon_get_connector_for_encoder(radeon_crtc->encoder); 981 struct radeon_connector *radeon_connector = 982 to_radeon_connector(connector); 983 struct radeon_connector_atom_dig *dig_connector = 984 radeon_connector->con_priv; 985 int dp_clock; 986 987 /* Assign mode clock for hdmi deep color max clock limit check */ 988 radeon_connector->pixelclock_for_modeset = mode->clock; 989 radeon_crtc->bpc = radeon_get_monitor_bpc(connector); 990 991 switch (encoder_mode) { 992 case ATOM_ENCODER_MODE_DP_MST: 993 case ATOM_ENCODER_MODE_DP: 994 /* DP/eDP */ 995 dp_clock = dig_connector->dp_clock / 10; 996 if (ASIC_IS_DCE4(rdev)) 997 radeon_crtc->ss_enabled = 998 radeon_atombios_get_asic_ss_info(rdev, &radeon_crtc->ss, 999 ASIC_INTERNAL_SS_ON_DP, 1000 dp_clock); 1001 else { 1002 if (dp_clock == 16200) { 1003 radeon_crtc->ss_enabled = 1004 radeon_atombios_get_ppll_ss_info(rdev, 1005 &radeon_crtc->ss, 1006 ATOM_DP_SS_ID2); 1007 if (!radeon_crtc->ss_enabled) 1008 radeon_crtc->ss_enabled = 1009 radeon_atombios_get_ppll_ss_info(rdev, 1010 &radeon_crtc->ss, 1011 ATOM_DP_SS_ID1); 1012 } else { 1013 radeon_crtc->ss_enabled = 1014 radeon_atombios_get_ppll_ss_info(rdev, 1015 &radeon_crtc->ss, 1016 ATOM_DP_SS_ID1); 1017 } 1018 /* disable spread spectrum on DCE3 DP */ 1019 radeon_crtc->ss_enabled = false; 1020 } 1021 break; 1022 case ATOM_ENCODER_MODE_LVDS: 1023 if (ASIC_IS_DCE4(rdev)) 1024 radeon_crtc->ss_enabled = 1025 radeon_atombios_get_asic_ss_info(rdev, 1026 &radeon_crtc->ss, 1027 dig->lcd_ss_id, 1028 mode->clock / 10); 1029 else 1030 radeon_crtc->ss_enabled = 1031 radeon_atombios_get_ppll_ss_info(rdev, 1032 &radeon_crtc->ss, 1033 dig->lcd_ss_id); 1034 break; 1035 case ATOM_ENCODER_MODE_DVI: 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_TMDS, 1041 mode->clock / 10); 1042 break; 1043 case ATOM_ENCODER_MODE_HDMI: 1044 if (ASIC_IS_DCE4(rdev)) 1045 radeon_crtc->ss_enabled = 1046 radeon_atombios_get_asic_ss_info(rdev, 1047 &radeon_crtc->ss, 1048 ASIC_INTERNAL_SS_ON_HDMI, 1049 mode->clock / 10); 1050 break; 1051 default: 1052 break; 1053 } 1054 } 1055 1056 /* adjust pixel clock as needed */ 1057 radeon_crtc->adjusted_clock = atombios_adjust_pll(crtc, mode); 1058 1059 return true; 1060 } 1061 1062 static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) 1063 { 1064 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1065 struct drm_device *dev = crtc->dev; 1066 struct radeon_device *rdev = dev->dev_private; 1067 struct radeon_encoder *radeon_encoder = 1068 to_radeon_encoder(radeon_crtc->encoder); 1069 u32 pll_clock = mode->clock; 1070 u32 clock = mode->clock; 1071 u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0; 1072 struct radeon_pll *pll; 1073 int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); 1074 1075 /* pass the actual clock to atombios_crtc_program_pll for DCE5,6 for HDMI */ 1076 if (ASIC_IS_DCE5(rdev) && 1077 (encoder_mode == ATOM_ENCODER_MODE_HDMI) && 1078 (radeon_crtc->bpc > 8)) 1079 clock = radeon_crtc->adjusted_clock; 1080 1081 switch (radeon_crtc->pll_id) { 1082 case ATOM_PPLL1: 1083 pll = &rdev->clock.p1pll; 1084 break; 1085 case ATOM_PPLL2: 1086 pll = &rdev->clock.p2pll; 1087 break; 1088 case ATOM_DCPLL: 1089 case ATOM_PPLL_INVALID: 1090 default: 1091 pll = &rdev->clock.dcpll; 1092 break; 1093 } 1094 1095 /* update pll params */ 1096 pll->flags = radeon_crtc->pll_flags; 1097 pll->reference_div = radeon_crtc->pll_reference_div; 1098 pll->post_div = radeon_crtc->pll_post_div; 1099 1100 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) 1101 /* TV seems to prefer the legacy algo on some boards */ 1102 radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, 1103 &fb_div, &frac_fb_div, &ref_div, &post_div); 1104 else if (ASIC_IS_AVIVO(rdev)) 1105 radeon_compute_pll_avivo(pll, radeon_crtc->adjusted_clock, &pll_clock, 1106 &fb_div, &frac_fb_div, &ref_div, &post_div); 1107 else 1108 radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, 1109 &fb_div, &frac_fb_div, &ref_div, &post_div); 1110 1111 atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id, 1112 radeon_crtc->crtc_id, &radeon_crtc->ss); 1113 1114 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 1115 encoder_mode, radeon_encoder->encoder_id, clock, 1116 ref_div, fb_div, frac_fb_div, post_div, 1117 radeon_crtc->bpc, radeon_crtc->ss_enabled, &radeon_crtc->ss); 1118 1119 if (radeon_crtc->ss_enabled) { 1120 /* calculate ss amount and step size */ 1121 if (ASIC_IS_DCE4(rdev)) { 1122 u32 step_size; 1123 u32 amount = (((fb_div * 10) + frac_fb_div) * 1124 (u32)radeon_crtc->ss.percentage) / 1125 (100 * (u32)radeon_crtc->ss.percentage_divider); 1126 radeon_crtc->ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK; 1127 radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) & 1128 ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK; 1129 if (radeon_crtc->ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD) 1130 step_size = (4 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / 1131 (125 * 25 * pll->reference_freq / 100); 1132 else 1133 step_size = (2 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / 1134 (125 * 25 * pll->reference_freq / 100); 1135 radeon_crtc->ss.step = step_size; 1136 } 1137 1138 atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id, 1139 radeon_crtc->crtc_id, &radeon_crtc->ss); 1140 } 1141 } 1142 1143 static int dce4_crtc_do_set_base(struct drm_crtc *crtc, 1144 struct drm_framebuffer *fb, 1145 int x, int y, int atomic) 1146 { 1147 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1148 struct drm_device *dev = crtc->dev; 1149 struct radeon_device *rdev = dev->dev_private; 1150 struct drm_framebuffer *target_fb; 1151 struct drm_gem_object *obj; 1152 struct radeon_bo *rbo; 1153 uint64_t fb_location; 1154 uint32_t fb_format, fb_pitch_pixels, tiling_flags; 1155 unsigned bankw, bankh, mtaspect, tile_split; 1156 u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE); 1157 u32 tmp, viewport_w, viewport_h; 1158 int r; 1159 bool bypass_lut = false; 1160 1161 /* no fb bound */ 1162 if (!atomic && !crtc->primary->fb) { 1163 DRM_DEBUG_KMS("No FB bound\n"); 1164 return 0; 1165 } 1166 1167 if (atomic) 1168 target_fb = fb; 1169 else 1170 target_fb = crtc->primary->fb; 1171 1172 /* If atomic, assume fb object is pinned & idle & fenced and 1173 * just update base pointers 1174 */ 1175 obj = target_fb->obj[0]; 1176 rbo = gem_to_radeon_bo(obj); 1177 r = radeon_bo_reserve(rbo, false); 1178 if (unlikely(r != 0)) 1179 return r; 1180 1181 if (atomic) 1182 fb_location = radeon_bo_gpu_offset(rbo); 1183 else { 1184 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); 1185 if (unlikely(r != 0)) { 1186 radeon_bo_unreserve(rbo); 1187 return -EINVAL; 1188 } 1189 } 1190 1191 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); 1192 radeon_bo_unreserve(rbo); 1193 1194 switch (target_fb->format->format) { 1195 case DRM_FORMAT_C8: 1196 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_8BPP) | 1197 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_INDEXED)); 1198 break; 1199 case DRM_FORMAT_XRGB4444: 1200 case DRM_FORMAT_ARGB4444: 1201 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | 1202 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB4444)); 1203 #ifdef __BIG_ENDIAN 1204 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); 1205 #endif 1206 break; 1207 case DRM_FORMAT_XRGB1555: 1208 case DRM_FORMAT_ARGB1555: 1209 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | 1210 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB1555)); 1211 #ifdef __BIG_ENDIAN 1212 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); 1213 #endif 1214 break; 1215 case DRM_FORMAT_BGRX5551: 1216 case DRM_FORMAT_BGRA5551: 1217 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | 1218 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA5551)); 1219 #ifdef __BIG_ENDIAN 1220 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); 1221 #endif 1222 break; 1223 case DRM_FORMAT_RGB565: 1224 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_16BPP) | 1225 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB565)); 1226 #ifdef __BIG_ENDIAN 1227 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN16); 1228 #endif 1229 break; 1230 case DRM_FORMAT_XRGB8888: 1231 case DRM_FORMAT_ARGB8888: 1232 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | 1233 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); 1234 #ifdef __BIG_ENDIAN 1235 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); 1236 #endif 1237 break; 1238 case DRM_FORMAT_XRGB2101010: 1239 case DRM_FORMAT_ARGB2101010: 1240 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | 1241 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB2101010)); 1242 #ifdef __BIG_ENDIAN 1243 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); 1244 #endif 1245 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1246 bypass_lut = true; 1247 break; 1248 case DRM_FORMAT_BGRX1010102: 1249 case DRM_FORMAT_BGRA1010102: 1250 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | 1251 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_BGRA1010102)); 1252 #ifdef __BIG_ENDIAN 1253 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); 1254 #endif 1255 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1256 bypass_lut = true; 1257 break; 1258 case DRM_FORMAT_XBGR8888: 1259 case DRM_FORMAT_ABGR8888: 1260 fb_format = (EVERGREEN_GRPH_DEPTH(EVERGREEN_GRPH_DEPTH_32BPP) | 1261 EVERGREEN_GRPH_FORMAT(EVERGREEN_GRPH_FORMAT_ARGB8888)); 1262 fb_swap = (EVERGREEN_GRPH_RED_CROSSBAR(EVERGREEN_GRPH_RED_SEL_B) | 1263 EVERGREEN_GRPH_BLUE_CROSSBAR(EVERGREEN_GRPH_BLUE_SEL_R)); 1264 #ifdef __BIG_ENDIAN 1265 fb_swap |= EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_8IN32); 1266 #endif 1267 break; 1268 default: 1269 DRM_ERROR("Unsupported screen format %p4cc\n", 1270 &target_fb->format->format); 1271 return -EINVAL; 1272 } 1273 1274 if (tiling_flags & RADEON_TILING_MACRO) { 1275 evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); 1276 1277 /* Set NUM_BANKS. */ 1278 if (rdev->family >= CHIP_TAHITI) { 1279 unsigned index, num_banks; 1280 1281 if (rdev->family >= CHIP_BONAIRE) { 1282 unsigned tileb, tile_split_bytes; 1283 1284 /* Calculate the macrotile mode index. */ 1285 tile_split_bytes = 64 << tile_split; 1286 tileb = 8 * 8 * target_fb->format->cpp[0]; 1287 tileb = min(tile_split_bytes, tileb); 1288 1289 for (index = 0; tileb > 64; index++) 1290 tileb >>= 1; 1291 1292 if (index >= 16) { 1293 DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n", 1294 target_fb->format->cpp[0] * 8, 1295 tile_split); 1296 return -EINVAL; 1297 } 1298 1299 num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; 1300 } else { 1301 switch (target_fb->format->cpp[0] * 8) { 1302 case 8: 1303 index = 10; 1304 break; 1305 case 16: 1306 index = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP; 1307 break; 1308 default: 1309 case 32: 1310 index = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP; 1311 break; 1312 } 1313 1314 num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3; 1315 } 1316 1317 fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); 1318 } else { 1319 /* NI and older. */ 1320 if (rdev->family >= CHIP_CAYMAN) 1321 tmp = rdev->config.cayman.tile_config; 1322 else 1323 tmp = rdev->config.evergreen.tile_config; 1324 1325 switch ((tmp & 0xf0) >> 4) { 1326 case 0: /* 4 banks */ 1327 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); 1328 break; 1329 case 1: /* 8 banks */ 1330 default: 1331 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); 1332 break; 1333 case 2: /* 16 banks */ 1334 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); 1335 break; 1336 } 1337 } 1338 1339 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1); 1340 fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split); 1341 fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw); 1342 fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh); 1343 fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect); 1344 if (rdev->family >= CHIP_BONAIRE) { 1345 /* XXX need to know more about the surface tiling mode */ 1346 fb_format |= CIK_GRPH_MICRO_TILE_MODE(CIK_DISPLAY_MICRO_TILING); 1347 } 1348 } else if (tiling_flags & RADEON_TILING_MICRO) 1349 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); 1350 1351 if (rdev->family >= CHIP_BONAIRE) { 1352 /* Read the pipe config from the 2D TILED SCANOUT mode. 1353 * It should be the same for the other modes too, but not all 1354 * modes set the pipe config field. */ 1355 u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f; 1356 1357 fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config); 1358 } else if ((rdev->family == CHIP_TAHITI) || 1359 (rdev->family == CHIP_PITCAIRN)) 1360 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16); 1361 else if ((rdev->family == CHIP_VERDE) || 1362 (rdev->family == CHIP_OLAND) || 1363 (rdev->family == CHIP_HAINAN)) /* for completeness. HAINAN has no display hw */ 1364 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16); 1365 1366 switch (radeon_crtc->crtc_id) { 1367 case 0: 1368 WREG32(AVIVO_D1VGA_CONTROL, 0); 1369 break; 1370 case 1: 1371 WREG32(AVIVO_D2VGA_CONTROL, 0); 1372 break; 1373 case 2: 1374 WREG32(EVERGREEN_D3VGA_CONTROL, 0); 1375 break; 1376 case 3: 1377 WREG32(EVERGREEN_D4VGA_CONTROL, 0); 1378 break; 1379 case 4: 1380 WREG32(EVERGREEN_D5VGA_CONTROL, 0); 1381 break; 1382 case 5: 1383 WREG32(EVERGREEN_D6VGA_CONTROL, 0); 1384 break; 1385 default: 1386 break; 1387 } 1388 1389 /* Make sure surface address is updated at vertical blank rather than 1390 * horizontal blank 1391 */ 1392 WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, 0); 1393 1394 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 1395 upper_32_bits(fb_location)); 1396 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 1397 upper_32_bits(fb_location)); 1398 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1399 (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); 1400 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1401 (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); 1402 WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); 1403 WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); 1404 1405 /* 1406 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 1407 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 1408 * retain the full precision throughout the pipeline. 1409 */ 1410 WREG32_P(EVERGREEN_GRPH_LUT_10BIT_BYPASS_CONTROL + radeon_crtc->crtc_offset, 1411 (bypass_lut ? EVERGREEN_LUT_10BIT_BYPASS_EN : 0), 1412 ~EVERGREEN_LUT_10BIT_BYPASS_EN); 1413 1414 if (bypass_lut) 1415 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 1416 1417 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); 1418 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); 1419 WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0); 1420 WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0); 1421 WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); 1422 WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); 1423 1424 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 1425 WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); 1426 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); 1427 1428 if (rdev->family >= CHIP_BONAIRE) 1429 WREG32(CIK_LB_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1430 target_fb->height); 1431 else 1432 WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1433 target_fb->height); 1434 x &= ~3; 1435 y &= ~1; 1436 WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset, 1437 (x << 16) | y); 1438 viewport_w = crtc->mode.hdisplay; 1439 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 1440 if ((rdev->family >= CHIP_BONAIRE) && 1441 (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)) 1442 viewport_h *= 2; 1443 WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, 1444 (viewport_w << 16) | viewport_h); 1445 1446 /* set pageflip to happen anywhere in vblank interval */ 1447 WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 0); 1448 1449 if (!atomic && fb && fb != crtc->primary->fb) { 1450 rbo = gem_to_radeon_bo(fb->obj[0]); 1451 r = radeon_bo_reserve(rbo, false); 1452 if (unlikely(r != 0)) 1453 return r; 1454 radeon_bo_unpin(rbo); 1455 radeon_bo_unreserve(rbo); 1456 } 1457 1458 /* Bytes per pixel may have changed */ 1459 radeon_bandwidth_update(rdev); 1460 1461 return 0; 1462 } 1463 1464 static int avivo_crtc_do_set_base(struct drm_crtc *crtc, 1465 struct drm_framebuffer *fb, 1466 int x, int y, int atomic) 1467 { 1468 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1469 struct drm_device *dev = crtc->dev; 1470 struct radeon_device *rdev = dev->dev_private; 1471 struct drm_gem_object *obj; 1472 struct radeon_bo *rbo; 1473 struct drm_framebuffer *target_fb; 1474 uint64_t fb_location; 1475 uint32_t fb_format, fb_pitch_pixels, tiling_flags; 1476 u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; 1477 u32 viewport_w, viewport_h; 1478 int r; 1479 bool bypass_lut = false; 1480 1481 /* no fb bound */ 1482 if (!atomic && !crtc->primary->fb) { 1483 DRM_DEBUG_KMS("No FB bound\n"); 1484 return 0; 1485 } 1486 1487 if (atomic) 1488 target_fb = fb; 1489 else 1490 target_fb = crtc->primary->fb; 1491 1492 obj = target_fb->obj[0]; 1493 rbo = gem_to_radeon_bo(obj); 1494 r = radeon_bo_reserve(rbo, false); 1495 if (unlikely(r != 0)) 1496 return r; 1497 1498 /* If atomic, assume fb object is pinned & idle & fenced and 1499 * just update base pointers 1500 */ 1501 if (atomic) 1502 fb_location = radeon_bo_gpu_offset(rbo); 1503 else { 1504 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); 1505 if (unlikely(r != 0)) { 1506 radeon_bo_unreserve(rbo); 1507 return -EINVAL; 1508 } 1509 } 1510 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); 1511 radeon_bo_unreserve(rbo); 1512 1513 switch (target_fb->format->format) { 1514 case DRM_FORMAT_C8: 1515 fb_format = 1516 AVIVO_D1GRPH_CONTROL_DEPTH_8BPP | 1517 AVIVO_D1GRPH_CONTROL_8BPP_INDEXED; 1518 break; 1519 case DRM_FORMAT_XRGB4444: 1520 case DRM_FORMAT_ARGB4444: 1521 fb_format = 1522 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1523 AVIVO_D1GRPH_CONTROL_16BPP_ARGB4444; 1524 #ifdef __BIG_ENDIAN 1525 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1526 #endif 1527 break; 1528 case DRM_FORMAT_XRGB1555: 1529 fb_format = 1530 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1531 AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555; 1532 #ifdef __BIG_ENDIAN 1533 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1534 #endif 1535 break; 1536 case DRM_FORMAT_RGB565: 1537 fb_format = 1538 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1539 AVIVO_D1GRPH_CONTROL_16BPP_RGB565; 1540 #ifdef __BIG_ENDIAN 1541 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1542 #endif 1543 break; 1544 case DRM_FORMAT_XRGB8888: 1545 case DRM_FORMAT_ARGB8888: 1546 fb_format = 1547 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | 1548 AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; 1549 #ifdef __BIG_ENDIAN 1550 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; 1551 #endif 1552 break; 1553 case DRM_FORMAT_XRGB2101010: 1554 case DRM_FORMAT_ARGB2101010: 1555 fb_format = 1556 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | 1557 AVIVO_D1GRPH_CONTROL_32BPP_ARGB2101010; 1558 #ifdef __BIG_ENDIAN 1559 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; 1560 #endif 1561 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1562 bypass_lut = true; 1563 break; 1564 case DRM_FORMAT_XBGR8888: 1565 case DRM_FORMAT_ABGR8888: 1566 fb_format = 1567 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | 1568 AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; 1569 if (rdev->family >= CHIP_R600) 1570 fb_swap = 1571 (R600_D1GRPH_RED_CROSSBAR(R600_D1GRPH_RED_SEL_B) | 1572 R600_D1GRPH_BLUE_CROSSBAR(R600_D1GRPH_BLUE_SEL_R)); 1573 else /* DCE1 (R5xx) */ 1574 fb_format |= AVIVO_D1GRPH_SWAP_RB; 1575 #ifdef __BIG_ENDIAN 1576 fb_swap |= R600_D1GRPH_SWAP_ENDIAN_32BIT; 1577 #endif 1578 break; 1579 default: 1580 DRM_ERROR("Unsupported screen format %p4cc\n", 1581 &target_fb->format->format); 1582 return -EINVAL; 1583 } 1584 1585 if (rdev->family >= CHIP_R600) { 1586 if (tiling_flags & RADEON_TILING_MACRO) 1587 fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1; 1588 else if (tiling_flags & RADEON_TILING_MICRO) 1589 fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1; 1590 } else { 1591 if (tiling_flags & RADEON_TILING_MACRO) 1592 fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE; 1593 1594 if (tiling_flags & RADEON_TILING_MICRO) 1595 fb_format |= AVIVO_D1GRPH_TILED; 1596 } 1597 1598 if (radeon_crtc->crtc_id == 0) 1599 WREG32(AVIVO_D1VGA_CONTROL, 0); 1600 else 1601 WREG32(AVIVO_D2VGA_CONTROL, 0); 1602 1603 /* Make sure surface address is update at vertical blank rather than 1604 * horizontal blank 1605 */ 1606 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, 0); 1607 1608 if (rdev->family >= CHIP_RV770) { 1609 if (radeon_crtc->crtc_id) { 1610 WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1611 WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1612 } else { 1613 WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1614 WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1615 } 1616 } 1617 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1618 (u32) fb_location); 1619 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + 1620 radeon_crtc->crtc_offset, (u32) fb_location); 1621 WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); 1622 if (rdev->family >= CHIP_R600) 1623 WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); 1624 1625 /* LUT only has 256 slots for 8 bpc fb. Bypass for > 8 bpc scanout for precision */ 1626 WREG32_P(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, 1627 (bypass_lut ? AVIVO_LUT_10BIT_BYPASS_EN : 0), ~AVIVO_LUT_10BIT_BYPASS_EN); 1628 1629 if (bypass_lut) 1630 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 1631 1632 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); 1633 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); 1634 WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0); 1635 WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0); 1636 WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); 1637 WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); 1638 1639 fb_pitch_pixels = target_fb->pitches[0] / target_fb->format->cpp[0]; 1640 WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); 1641 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); 1642 1643 WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1644 target_fb->height); 1645 x &= ~3; 1646 y &= ~1; 1647 WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, 1648 (x << 16) | y); 1649 viewport_w = crtc->mode.hdisplay; 1650 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 1651 WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, 1652 (viewport_w << 16) | viewport_h); 1653 1654 /* set pageflip to happen only at start of vblank interval (front porch) */ 1655 WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); 1656 1657 if (!atomic && fb && fb != crtc->primary->fb) { 1658 rbo = gem_to_radeon_bo(fb->obj[0]); 1659 r = radeon_bo_reserve(rbo, false); 1660 if (unlikely(r != 0)) 1661 return r; 1662 radeon_bo_unpin(rbo); 1663 radeon_bo_unreserve(rbo); 1664 } 1665 1666 /* Bytes per pixel may have changed */ 1667 radeon_bandwidth_update(rdev); 1668 1669 return 0; 1670 } 1671 1672 int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y, 1673 struct drm_framebuffer *old_fb) 1674 { 1675 struct drm_device *dev = crtc->dev; 1676 struct radeon_device *rdev = dev->dev_private; 1677 1678 if (ASIC_IS_DCE4(rdev)) 1679 return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0); 1680 else if (ASIC_IS_AVIVO(rdev)) 1681 return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0); 1682 else 1683 return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0); 1684 } 1685 1686 int atombios_crtc_set_base_atomic(struct drm_crtc *crtc, 1687 struct drm_framebuffer *fb, 1688 int x, int y, enum mode_set_atomic state) 1689 { 1690 struct drm_device *dev = crtc->dev; 1691 struct radeon_device *rdev = dev->dev_private; 1692 1693 if (ASIC_IS_DCE4(rdev)) 1694 return dce4_crtc_do_set_base(crtc, fb, x, y, 1); 1695 else if (ASIC_IS_AVIVO(rdev)) 1696 return avivo_crtc_do_set_base(crtc, fb, x, y, 1); 1697 else 1698 return radeon_crtc_do_set_base(crtc, fb, x, y, 1); 1699 } 1700 1701 /* properly set additional regs when using atombios */ 1702 static void radeon_legacy_atom_fixup(struct drm_crtc *crtc) 1703 { 1704 struct drm_device *dev = crtc->dev; 1705 struct radeon_device *rdev = dev->dev_private; 1706 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1707 u32 disp_merge_cntl; 1708 1709 switch (radeon_crtc->crtc_id) { 1710 case 0: 1711 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL); 1712 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN; 1713 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl); 1714 break; 1715 case 1: 1716 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL); 1717 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN; 1718 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl); 1719 WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID)); 1720 WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID)); 1721 break; 1722 } 1723 } 1724 1725 /** 1726 * radeon_get_pll_use_mask - look up a mask of which pplls are in use 1727 * 1728 * @crtc: drm crtc 1729 * 1730 * Returns the mask of which PPLLs (Pixel PLLs) are in use. 1731 */ 1732 static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc) 1733 { 1734 struct drm_device *dev = crtc->dev; 1735 struct drm_crtc *test_crtc; 1736 struct radeon_crtc *test_radeon_crtc; 1737 u32 pll_in_use = 0; 1738 1739 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1740 if (crtc == test_crtc) 1741 continue; 1742 1743 test_radeon_crtc = to_radeon_crtc(test_crtc); 1744 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1745 pll_in_use |= (1 << test_radeon_crtc->pll_id); 1746 } 1747 return pll_in_use; 1748 } 1749 1750 /** 1751 * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP 1752 * 1753 * @crtc: drm crtc 1754 * 1755 * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is 1756 * also in DP mode. For DP, a single PPLL can be used for all DP 1757 * crtcs/encoders. 1758 */ 1759 static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc) 1760 { 1761 struct drm_device *dev = crtc->dev; 1762 struct radeon_device *rdev = dev->dev_private; 1763 struct drm_crtc *test_crtc; 1764 struct radeon_crtc *test_radeon_crtc; 1765 1766 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1767 if (crtc == test_crtc) 1768 continue; 1769 test_radeon_crtc = to_radeon_crtc(test_crtc); 1770 if (test_radeon_crtc->encoder && 1771 ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { 1772 /* PPLL2 is exclusive to UNIPHYA on DCE61 */ 1773 if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && 1774 test_radeon_crtc->pll_id == ATOM_PPLL2) 1775 continue; 1776 /* for DP use the same PLL for all */ 1777 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1778 return test_radeon_crtc->pll_id; 1779 } 1780 } 1781 return ATOM_PPLL_INVALID; 1782 } 1783 1784 /** 1785 * radeon_get_shared_nondp_ppll - return the PPLL used by another non-DP crtc 1786 * 1787 * @crtc: drm crtc 1788 * 1789 * Returns the PPLL (Pixel PLL) used by another non-DP crtc/encoder which can 1790 * be shared (i.e., same clock). 1791 */ 1792 static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc) 1793 { 1794 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1795 struct drm_device *dev = crtc->dev; 1796 struct radeon_device *rdev = dev->dev_private; 1797 struct drm_crtc *test_crtc; 1798 struct radeon_crtc *test_radeon_crtc; 1799 u32 adjusted_clock, test_adjusted_clock; 1800 1801 adjusted_clock = radeon_crtc->adjusted_clock; 1802 1803 if (adjusted_clock == 0) 1804 return ATOM_PPLL_INVALID; 1805 1806 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1807 if (crtc == test_crtc) 1808 continue; 1809 test_radeon_crtc = to_radeon_crtc(test_crtc); 1810 if (test_radeon_crtc->encoder && 1811 !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { 1812 /* PPLL2 is exclusive to UNIPHYA on DCE61 */ 1813 if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && 1814 test_radeon_crtc->pll_id == ATOM_PPLL2) 1815 continue; 1816 /* check if we are already driving this connector with another crtc */ 1817 if (test_radeon_crtc->connector == radeon_crtc->connector) { 1818 /* if we are, return that pll */ 1819 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1820 return test_radeon_crtc->pll_id; 1821 } 1822 /* for non-DP check the clock */ 1823 test_adjusted_clock = test_radeon_crtc->adjusted_clock; 1824 if ((crtc->mode.clock == test_crtc->mode.clock) && 1825 (adjusted_clock == test_adjusted_clock) && 1826 (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) && 1827 (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)) 1828 return test_radeon_crtc->pll_id; 1829 } 1830 } 1831 return ATOM_PPLL_INVALID; 1832 } 1833 1834 /** 1835 * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc. 1836 * 1837 * @crtc: drm crtc 1838 * 1839 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 1840 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 1841 * monitors a dedicated PPLL must be used. If a particular board has 1842 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 1843 * as there is no need to program the PLL itself. If we are not able to 1844 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 1845 * avoid messing up an existing monitor. 1846 * 1847 * Asic specific PLL information 1848 * 1849 * DCE 8.x 1850 * KB/KV 1851 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 1852 * CI 1853 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1854 * 1855 * DCE 6.1 1856 * - PPLL2 is only available to UNIPHYA (both DP and non-DP) 1857 * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP) 1858 * 1859 * DCE 6.0 1860 * - PPLL0 is available to all UNIPHY (DP only) 1861 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1862 * 1863 * DCE 5.0 1864 * - DCPLL is available to all UNIPHY (DP only) 1865 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1866 * 1867 * DCE 3.0/4.0/4.1 1868 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1869 * 1870 */ 1871 static int radeon_atom_pick_pll(struct drm_crtc *crtc) 1872 { 1873 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1874 struct drm_device *dev = crtc->dev; 1875 struct radeon_device *rdev = dev->dev_private; 1876 struct radeon_encoder *radeon_encoder = 1877 to_radeon_encoder(radeon_crtc->encoder); 1878 u32 pll_in_use; 1879 int pll; 1880 1881 if (ASIC_IS_DCE8(rdev)) { 1882 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1883 if (rdev->clock.dp_extclk) 1884 /* skip PPLL programming if using ext clock */ 1885 return ATOM_PPLL_INVALID; 1886 else { 1887 /* use the same PPLL for all DP monitors */ 1888 pll = radeon_get_shared_dp_ppll(crtc); 1889 if (pll != ATOM_PPLL_INVALID) 1890 return pll; 1891 } 1892 } else { 1893 /* use the same PPLL for all monitors with the same clock */ 1894 pll = radeon_get_shared_nondp_ppll(crtc); 1895 if (pll != ATOM_PPLL_INVALID) 1896 return pll; 1897 } 1898 /* otherwise, pick one of the plls */ 1899 if ((rdev->family == CHIP_KABINI) || 1900 (rdev->family == CHIP_MULLINS)) { 1901 /* KB/ML has PPLL1 and PPLL2 */ 1902 pll_in_use = radeon_get_pll_use_mask(crtc); 1903 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1904 return ATOM_PPLL2; 1905 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1906 return ATOM_PPLL1; 1907 DRM_ERROR("unable to allocate a PPLL\n"); 1908 return ATOM_PPLL_INVALID; 1909 } else { 1910 /* CI/KV has PPLL0, PPLL1, and PPLL2 */ 1911 pll_in_use = radeon_get_pll_use_mask(crtc); 1912 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1913 return ATOM_PPLL2; 1914 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1915 return ATOM_PPLL1; 1916 if (!(pll_in_use & (1 << ATOM_PPLL0))) 1917 return ATOM_PPLL0; 1918 DRM_ERROR("unable to allocate a PPLL\n"); 1919 return ATOM_PPLL_INVALID; 1920 } 1921 } else if (ASIC_IS_DCE61(rdev)) { 1922 struct radeon_encoder_atom_dig *dig = 1923 radeon_encoder->enc_priv; 1924 1925 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY) && 1926 (dig->linkb == false)) 1927 /* UNIPHY A uses PPLL2 */ 1928 return ATOM_PPLL2; 1929 else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1930 /* UNIPHY B/C/D/E/F */ 1931 if (rdev->clock.dp_extclk) 1932 /* skip PPLL programming if using ext clock */ 1933 return ATOM_PPLL_INVALID; 1934 else { 1935 /* use the same PPLL for all DP monitors */ 1936 pll = radeon_get_shared_dp_ppll(crtc); 1937 if (pll != ATOM_PPLL_INVALID) 1938 return pll; 1939 } 1940 } else { 1941 /* use the same PPLL for all monitors with the same clock */ 1942 pll = radeon_get_shared_nondp_ppll(crtc); 1943 if (pll != ATOM_PPLL_INVALID) 1944 return pll; 1945 } 1946 /* UNIPHY B/C/D/E/F */ 1947 pll_in_use = radeon_get_pll_use_mask(crtc); 1948 if (!(pll_in_use & (1 << ATOM_PPLL0))) 1949 return ATOM_PPLL0; 1950 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1951 return ATOM_PPLL1; 1952 DRM_ERROR("unable to allocate a PPLL\n"); 1953 return ATOM_PPLL_INVALID; 1954 } else if (ASIC_IS_DCE41(rdev)) { 1955 /* Don't share PLLs on DCE4.1 chips */ 1956 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1957 if (rdev->clock.dp_extclk) 1958 /* skip PPLL programming if using ext clock */ 1959 return ATOM_PPLL_INVALID; 1960 } 1961 pll_in_use = radeon_get_pll_use_mask(crtc); 1962 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1963 return ATOM_PPLL1; 1964 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1965 return ATOM_PPLL2; 1966 DRM_ERROR("unable to allocate a PPLL\n"); 1967 return ATOM_PPLL_INVALID; 1968 } else if (ASIC_IS_DCE4(rdev)) { 1969 /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock, 1970 * depending on the asic: 1971 * DCE4: PPLL or ext clock 1972 * DCE5: PPLL, DCPLL, or ext clock 1973 * DCE6: PPLL, PPLL0, or ext clock 1974 * 1975 * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip 1976 * PPLL/DCPLL programming and only program the DP DTO for the 1977 * crtc virtual pixel clock. 1978 */ 1979 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1980 if (rdev->clock.dp_extclk) 1981 /* skip PPLL programming if using ext clock */ 1982 return ATOM_PPLL_INVALID; 1983 else if (ASIC_IS_DCE6(rdev)) 1984 /* use PPLL0 for all DP */ 1985 return ATOM_PPLL0; 1986 else if (ASIC_IS_DCE5(rdev)) 1987 /* use DCPLL for all DP */ 1988 return ATOM_DCPLL; 1989 else { 1990 /* use the same PPLL for all DP monitors */ 1991 pll = radeon_get_shared_dp_ppll(crtc); 1992 if (pll != ATOM_PPLL_INVALID) 1993 return pll; 1994 } 1995 } else { 1996 /* use the same PPLL for all monitors with the same clock */ 1997 pll = radeon_get_shared_nondp_ppll(crtc); 1998 if (pll != ATOM_PPLL_INVALID) 1999 return pll; 2000 } 2001 /* all other cases */ 2002 pll_in_use = radeon_get_pll_use_mask(crtc); 2003 if (!(pll_in_use & (1 << ATOM_PPLL1))) 2004 return ATOM_PPLL1; 2005 if (!(pll_in_use & (1 << ATOM_PPLL2))) 2006 return ATOM_PPLL2; 2007 DRM_ERROR("unable to allocate a PPLL\n"); 2008 return ATOM_PPLL_INVALID; 2009 } else { 2010 /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ 2011 /* some atombios (observed in some DCE2/DCE3) code have a bug, 2012 * the matching btw pll and crtc is done through 2013 * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the 2014 * pll (1 or 2) to select which register to write. ie if using 2015 * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2 2016 * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to 2017 * choose which value to write. Which is reverse order from 2018 * register logic. So only case that works is when pllid is 2019 * same as crtcid or when both pll and crtc are enabled and 2020 * both use same clock. 2021 * 2022 * So just return crtc id as if crtc and pll were hard linked 2023 * together even if they aren't 2024 */ 2025 return radeon_crtc->crtc_id; 2026 } 2027 } 2028 2029 void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev) 2030 { 2031 /* always set DCPLL */ 2032 if (ASIC_IS_DCE6(rdev)) 2033 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); 2034 else if (ASIC_IS_DCE4(rdev)) { 2035 struct radeon_atom_ss ss; 2036 bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, 2037 ASIC_INTERNAL_SS_ON_DCPLL, 2038 rdev->clock.default_dispclk); 2039 if (ss_enabled) 2040 atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, -1, &ss); 2041 /* XXX: DCE5, make sure voltage, dispclk is high enough */ 2042 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); 2043 if (ss_enabled) 2044 atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, -1, &ss); 2045 } 2046 2047 } 2048 2049 int atombios_crtc_mode_set(struct drm_crtc *crtc, 2050 struct drm_display_mode *mode, 2051 struct drm_display_mode *adjusted_mode, 2052 int x, int y, struct drm_framebuffer *old_fb) 2053 { 2054 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2055 struct drm_device *dev = crtc->dev; 2056 struct radeon_device *rdev = dev->dev_private; 2057 struct radeon_encoder *radeon_encoder = 2058 to_radeon_encoder(radeon_crtc->encoder); 2059 bool is_tvcv = false; 2060 2061 if (radeon_encoder->active_device & 2062 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) 2063 is_tvcv = true; 2064 2065 if (!radeon_crtc->adjusted_clock) 2066 return -EINVAL; 2067 2068 atombios_crtc_set_pll(crtc, adjusted_mode); 2069 2070 if (ASIC_IS_DCE4(rdev)) 2071 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2072 else if (ASIC_IS_AVIVO(rdev)) { 2073 if (is_tvcv) 2074 atombios_crtc_set_timing(crtc, adjusted_mode); 2075 else 2076 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2077 } else { 2078 atombios_crtc_set_timing(crtc, adjusted_mode); 2079 if (radeon_crtc->crtc_id == 0) 2080 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2081 radeon_legacy_atom_fixup(crtc); 2082 } 2083 atombios_crtc_set_base(crtc, x, y, old_fb); 2084 atombios_overscan_setup(crtc, mode, adjusted_mode); 2085 atombios_scaler_setup(crtc); 2086 radeon_cursor_reset(crtc); 2087 /* update the hw version fpr dpm */ 2088 radeon_crtc->hw_mode = *adjusted_mode; 2089 2090 return 0; 2091 } 2092 2093 static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc, 2094 const struct drm_display_mode *mode, 2095 struct drm_display_mode *adjusted_mode) 2096 { 2097 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2098 struct drm_device *dev = crtc->dev; 2099 struct drm_encoder *encoder; 2100 2101 /* assign the encoder to the radeon crtc to avoid repeated lookups later */ 2102 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2103 if (encoder->crtc == crtc) { 2104 radeon_crtc->encoder = encoder; 2105 radeon_crtc->connector = radeon_get_connector_for_encoder(encoder); 2106 break; 2107 } 2108 } 2109 if ((radeon_crtc->encoder == NULL) || (radeon_crtc->connector == NULL)) { 2110 radeon_crtc->encoder = NULL; 2111 radeon_crtc->connector = NULL; 2112 return false; 2113 } 2114 if (radeon_crtc->encoder) { 2115 struct radeon_encoder *radeon_encoder = 2116 to_radeon_encoder(radeon_crtc->encoder); 2117 2118 radeon_crtc->output_csc = radeon_encoder->output_csc; 2119 } 2120 if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2121 return false; 2122 if (!atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2123 return false; 2124 /* pick pll */ 2125 radeon_crtc->pll_id = radeon_atom_pick_pll(crtc); 2126 /* if we can't get a PPLL for a non-DP encoder, fail */ 2127 if ((radeon_crtc->pll_id == ATOM_PPLL_INVALID) && 2128 !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) 2129 return false; 2130 2131 return true; 2132 } 2133 2134 static void atombios_crtc_prepare(struct drm_crtc *crtc) 2135 { 2136 struct drm_device *dev = crtc->dev; 2137 struct radeon_device *rdev = dev->dev_private; 2138 2139 /* disable crtc pair power gating before programming */ 2140 if (ASIC_IS_DCE6(rdev)) 2141 atombios_powergate_crtc(crtc, ATOM_DISABLE); 2142 2143 atombios_lock_crtc(crtc, ATOM_ENABLE); 2144 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2145 } 2146 2147 static void atombios_crtc_commit(struct drm_crtc *crtc) 2148 { 2149 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2150 atombios_lock_crtc(crtc, ATOM_DISABLE); 2151 } 2152 2153 static void atombios_crtc_disable(struct drm_crtc *crtc) 2154 { 2155 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2156 struct drm_device *dev = crtc->dev; 2157 struct radeon_device *rdev = dev->dev_private; 2158 struct radeon_atom_ss ss; 2159 int i; 2160 2161 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2162 if (crtc->primary->fb) { 2163 int r; 2164 struct radeon_bo *rbo; 2165 2166 rbo = gem_to_radeon_bo(crtc->primary->fb->obj[0]); 2167 r = radeon_bo_reserve(rbo, false); 2168 if (unlikely(r)) 2169 DRM_ERROR("failed to reserve rbo before unpin\n"); 2170 else { 2171 radeon_bo_unpin(rbo); 2172 radeon_bo_unreserve(rbo); 2173 } 2174 } 2175 /* disable the GRPH */ 2176 if (ASIC_IS_DCE4(rdev)) 2177 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 0); 2178 else if (ASIC_IS_AVIVO(rdev)) 2179 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 0); 2180 2181 if (ASIC_IS_DCE6(rdev)) 2182 atombios_powergate_crtc(crtc, ATOM_ENABLE); 2183 2184 for (i = 0; i < rdev->num_crtc; i++) { 2185 if (rdev->mode_info.crtcs[i] && 2186 rdev->mode_info.crtcs[i]->enabled && 2187 i != radeon_crtc->crtc_id && 2188 radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) { 2189 /* one other crtc is using this pll don't turn 2190 * off the pll 2191 */ 2192 goto done; 2193 } 2194 } 2195 2196 switch (radeon_crtc->pll_id) { 2197 case ATOM_PPLL1: 2198 case ATOM_PPLL2: 2199 /* disable the ppll */ 2200 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 2201 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2202 break; 2203 case ATOM_PPLL0: 2204 /* disable the ppll */ 2205 if ((rdev->family == CHIP_ARUBA) || 2206 (rdev->family == CHIP_KAVERI) || 2207 (rdev->family == CHIP_BONAIRE) || 2208 (rdev->family == CHIP_HAWAII)) 2209 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 2210 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2211 break; 2212 default: 2213 break; 2214 } 2215 done: 2216 radeon_crtc->pll_id = ATOM_PPLL_INVALID; 2217 radeon_crtc->adjusted_clock = 0; 2218 radeon_crtc->encoder = NULL; 2219 radeon_crtc->connector = NULL; 2220 } 2221 2222 static const struct drm_crtc_helper_funcs atombios_helper_funcs = { 2223 .dpms = atombios_crtc_dpms, 2224 .mode_fixup = atombios_crtc_mode_fixup, 2225 .mode_set = atombios_crtc_mode_set, 2226 .mode_set_base = atombios_crtc_set_base, 2227 .mode_set_base_atomic = atombios_crtc_set_base_atomic, 2228 .prepare = atombios_crtc_prepare, 2229 .commit = atombios_crtc_commit, 2230 .disable = atombios_crtc_disable, 2231 .get_scanout_position = radeon_get_crtc_scanout_position, 2232 }; 2233 2234 void radeon_atombios_init_crtc(struct drm_device *dev, 2235 struct radeon_crtc *radeon_crtc) 2236 { 2237 struct radeon_device *rdev = dev->dev_private; 2238 2239 if (ASIC_IS_DCE4(rdev)) { 2240 switch (radeon_crtc->crtc_id) { 2241 case 0: 2242 default: 2243 radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET; 2244 break; 2245 case 1: 2246 radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET; 2247 break; 2248 case 2: 2249 radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET; 2250 break; 2251 case 3: 2252 radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET; 2253 break; 2254 case 4: 2255 radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET; 2256 break; 2257 case 5: 2258 radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET; 2259 break; 2260 } 2261 } else { 2262 if (radeon_crtc->crtc_id == 1) 2263 radeon_crtc->crtc_offset = 2264 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL; 2265 else 2266 radeon_crtc->crtc_offset = 0; 2267 } 2268 radeon_crtc->pll_id = ATOM_PPLL_INVALID; 2269 radeon_crtc->adjusted_clock = 0; 2270 radeon_crtc->encoder = NULL; 2271 radeon_crtc->connector = NULL; 2272 drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs); 2273 } 2274