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/drm_fb_helper.h> 29 #include <drm/radeon_drm.h> 30 #include <drm/drm_fixed.h> 31 #include "radeon.h" 32 #include "atom.h" 33 #include "atom-bits.h" 34 35 static void atombios_overscan_setup(struct drm_crtc *crtc, 36 struct drm_display_mode *mode, 37 struct drm_display_mode *adjusted_mode) 38 { 39 struct drm_device *dev = crtc->dev; 40 struct radeon_device *rdev = dev->dev_private; 41 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 42 SET_CRTC_OVERSCAN_PS_ALLOCATION args; 43 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_OverScan); 44 int a1, a2; 45 46 memset(&args, 0, sizeof(args)); 47 48 args.ucCRTC = radeon_crtc->crtc_id; 49 50 switch (radeon_crtc->rmx_type) { 51 case RMX_CENTER: 52 args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2); 53 args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - mode->crtc_vdisplay) / 2); 54 args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2); 55 args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - mode->crtc_hdisplay) / 2); 56 break; 57 case RMX_ASPECT: 58 a1 = mode->crtc_vdisplay * adjusted_mode->crtc_hdisplay; 59 a2 = adjusted_mode->crtc_vdisplay * mode->crtc_hdisplay; 60 61 if (a1 > a2) { 62 args.usOverscanLeft = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2); 63 args.usOverscanRight = cpu_to_le16((adjusted_mode->crtc_hdisplay - (a2 / mode->crtc_vdisplay)) / 2); 64 } else if (a2 > a1) { 65 args.usOverscanTop = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2); 66 args.usOverscanBottom = cpu_to_le16((adjusted_mode->crtc_vdisplay - (a1 / mode->crtc_hdisplay)) / 2); 67 } 68 break; 69 case RMX_FULL: 70 default: 71 args.usOverscanRight = cpu_to_le16(radeon_crtc->h_border); 72 args.usOverscanLeft = cpu_to_le16(radeon_crtc->h_border); 73 args.usOverscanBottom = cpu_to_le16(radeon_crtc->v_border); 74 args.usOverscanTop = cpu_to_le16(radeon_crtc->v_border); 75 break; 76 } 77 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 78 } 79 80 static void atombios_scaler_setup(struct drm_crtc *crtc) 81 { 82 struct drm_device *dev = crtc->dev; 83 struct radeon_device *rdev = dev->dev_private; 84 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 85 ENABLE_SCALER_PS_ALLOCATION args; 86 int index = GetIndexIntoMasterTable(COMMAND, EnableScaler); 87 struct radeon_encoder *radeon_encoder = 88 to_radeon_encoder(radeon_crtc->encoder); 89 /* fixme - fill in enc_priv for atom dac */ 90 enum radeon_tv_std tv_std = TV_STD_NTSC; 91 bool is_tv = false, is_cv = false; 92 93 if (!ASIC_IS_AVIVO(rdev) && radeon_crtc->crtc_id) 94 return; 95 96 if (radeon_encoder->active_device & ATOM_DEVICE_TV_SUPPORT) { 97 struct radeon_encoder_atom_dac *tv_dac = radeon_encoder->enc_priv; 98 tv_std = tv_dac->tv_std; 99 is_tv = true; 100 } 101 102 memset(&args, 0, sizeof(args)); 103 104 args.ucScaler = radeon_crtc->crtc_id; 105 106 if (is_tv) { 107 switch (tv_std) { 108 case TV_STD_NTSC: 109 default: 110 args.ucTVStandard = ATOM_TV_NTSC; 111 break; 112 case TV_STD_PAL: 113 args.ucTVStandard = ATOM_TV_PAL; 114 break; 115 case TV_STD_PAL_M: 116 args.ucTVStandard = ATOM_TV_PALM; 117 break; 118 case TV_STD_PAL_60: 119 args.ucTVStandard = ATOM_TV_PAL60; 120 break; 121 case TV_STD_NTSC_J: 122 args.ucTVStandard = ATOM_TV_NTSCJ; 123 break; 124 case TV_STD_SCART_PAL: 125 args.ucTVStandard = ATOM_TV_PAL; /* ??? */ 126 break; 127 case TV_STD_SECAM: 128 args.ucTVStandard = ATOM_TV_SECAM; 129 break; 130 case TV_STD_PAL_CN: 131 args.ucTVStandard = ATOM_TV_PALCN; 132 break; 133 } 134 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; 135 } else if (is_cv) { 136 args.ucTVStandard = ATOM_TV_CV; 137 args.ucEnable = SCALER_ENABLE_MULTITAP_MODE; 138 } else { 139 switch (radeon_crtc->rmx_type) { 140 case RMX_FULL: 141 args.ucEnable = ATOM_SCALER_EXPANSION; 142 break; 143 case RMX_CENTER: 144 args.ucEnable = ATOM_SCALER_CENTER; 145 break; 146 case RMX_ASPECT: 147 args.ucEnable = ATOM_SCALER_EXPANSION; 148 break; 149 default: 150 if (ASIC_IS_AVIVO(rdev)) 151 args.ucEnable = ATOM_SCALER_DISABLE; 152 else 153 args.ucEnable = ATOM_SCALER_CENTER; 154 break; 155 } 156 } 157 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 158 if ((is_tv || is_cv) 159 && rdev->family >= CHIP_RV515 && rdev->family <= CHIP_R580) { 160 atom_rv515_force_tv_scaler(rdev, radeon_crtc); 161 } 162 } 163 164 static void atombios_lock_crtc(struct drm_crtc *crtc, int lock) 165 { 166 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 167 struct drm_device *dev = crtc->dev; 168 struct radeon_device *rdev = dev->dev_private; 169 int index = 170 GetIndexIntoMasterTable(COMMAND, UpdateCRTC_DoubleBufferRegisters); 171 ENABLE_CRTC_PS_ALLOCATION args; 172 173 memset(&args, 0, sizeof(args)); 174 175 args.ucCRTC = radeon_crtc->crtc_id; 176 args.ucEnable = lock; 177 178 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 179 } 180 181 static void atombios_enable_crtc(struct drm_crtc *crtc, int state) 182 { 183 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 184 struct drm_device *dev = crtc->dev; 185 struct radeon_device *rdev = dev->dev_private; 186 int index = GetIndexIntoMasterTable(COMMAND, EnableCRTC); 187 ENABLE_CRTC_PS_ALLOCATION args; 188 189 memset(&args, 0, sizeof(args)); 190 191 args.ucCRTC = radeon_crtc->crtc_id; 192 args.ucEnable = state; 193 194 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 195 } 196 197 static void atombios_enable_crtc_memreq(struct drm_crtc *crtc, int state) 198 { 199 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 200 struct drm_device *dev = crtc->dev; 201 struct radeon_device *rdev = dev->dev_private; 202 int index = GetIndexIntoMasterTable(COMMAND, EnableCRTCMemReq); 203 ENABLE_CRTC_PS_ALLOCATION args; 204 205 memset(&args, 0, sizeof(args)); 206 207 args.ucCRTC = radeon_crtc->crtc_id; 208 args.ucEnable = state; 209 210 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 211 } 212 213 static const u32 vga_control_regs[6] = 214 { 215 AVIVO_D1VGA_CONTROL, 216 AVIVO_D2VGA_CONTROL, 217 EVERGREEN_D3VGA_CONTROL, 218 EVERGREEN_D4VGA_CONTROL, 219 EVERGREEN_D5VGA_CONTROL, 220 EVERGREEN_D6VGA_CONTROL, 221 }; 222 223 static void atombios_blank_crtc(struct drm_crtc *crtc, int state) 224 { 225 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 226 struct drm_device *dev = crtc->dev; 227 struct radeon_device *rdev = dev->dev_private; 228 int index = GetIndexIntoMasterTable(COMMAND, BlankCRTC); 229 BLANK_CRTC_PS_ALLOCATION args; 230 u32 vga_control = 0; 231 232 memset(&args, 0, sizeof(args)); 233 234 if (ASIC_IS_DCE8(rdev)) { 235 vga_control = RREG32(vga_control_regs[radeon_crtc->crtc_id]); 236 WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control | 1); 237 } 238 239 args.ucCRTC = radeon_crtc->crtc_id; 240 args.ucBlanking = state; 241 242 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 243 244 if (ASIC_IS_DCE8(rdev)) { 245 WREG32(vga_control_regs[radeon_crtc->crtc_id], vga_control); 246 } 247 } 248 249 static void atombios_powergate_crtc(struct drm_crtc *crtc, int state) 250 { 251 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 252 struct drm_device *dev = crtc->dev; 253 struct radeon_device *rdev = dev->dev_private; 254 int index = GetIndexIntoMasterTable(COMMAND, EnableDispPowerGating); 255 ENABLE_DISP_POWER_GATING_PARAMETERS_V2_1 args; 256 257 memset(&args, 0, sizeof(args)); 258 259 args.ucDispPipeId = radeon_crtc->crtc_id; 260 args.ucEnable = state; 261 262 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 263 } 264 265 void atombios_crtc_dpms(struct drm_crtc *crtc, int mode) 266 { 267 struct drm_device *dev = crtc->dev; 268 struct radeon_device *rdev = dev->dev_private; 269 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 270 271 switch (mode) { 272 case DRM_MODE_DPMS_ON: 273 radeon_crtc->enabled = true; 274 atombios_enable_crtc(crtc, ATOM_ENABLE); 275 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) 276 atombios_enable_crtc_memreq(crtc, ATOM_ENABLE); 277 atombios_blank_crtc(crtc, ATOM_DISABLE); 278 if (dev->num_crtcs > radeon_crtc->crtc_id) 279 drm_vblank_on(dev, radeon_crtc->crtc_id); 280 radeon_crtc_load_lut(crtc); 281 break; 282 case DRM_MODE_DPMS_STANDBY: 283 case DRM_MODE_DPMS_SUSPEND: 284 case DRM_MODE_DPMS_OFF: 285 if (dev->num_crtcs > radeon_crtc->crtc_id) 286 drm_vblank_off(dev, radeon_crtc->crtc_id); 287 if (radeon_crtc->enabled) 288 atombios_blank_crtc(crtc, ATOM_ENABLE); 289 if (ASIC_IS_DCE3(rdev) && !ASIC_IS_DCE6(rdev)) 290 atombios_enable_crtc_memreq(crtc, ATOM_DISABLE); 291 atombios_enable_crtc(crtc, ATOM_DISABLE); 292 radeon_crtc->enabled = false; 293 break; 294 } 295 /* adjust pm to dpms */ 296 radeon_pm_compute_clocks(rdev); 297 } 298 299 static void 300 atombios_set_crtc_dtd_timing(struct drm_crtc *crtc, 301 struct drm_display_mode *mode) 302 { 303 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 304 struct drm_device *dev = crtc->dev; 305 struct radeon_device *rdev = dev->dev_private; 306 SET_CRTC_USING_DTD_TIMING_PARAMETERS args; 307 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_UsingDTDTiming); 308 u16 misc = 0; 309 310 memset(&args, 0, sizeof(args)); 311 args.usH_Size = cpu_to_le16(mode->crtc_hdisplay - (radeon_crtc->h_border * 2)); 312 args.usH_Blanking_Time = 313 cpu_to_le16(mode->crtc_hblank_end - mode->crtc_hdisplay + (radeon_crtc->h_border * 2)); 314 args.usV_Size = cpu_to_le16(mode->crtc_vdisplay - (radeon_crtc->v_border * 2)); 315 args.usV_Blanking_Time = 316 cpu_to_le16(mode->crtc_vblank_end - mode->crtc_vdisplay + (radeon_crtc->v_border * 2)); 317 args.usH_SyncOffset = 318 cpu_to_le16(mode->crtc_hsync_start - mode->crtc_hdisplay + radeon_crtc->h_border); 319 args.usH_SyncWidth = 320 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); 321 args.usV_SyncOffset = 322 cpu_to_le16(mode->crtc_vsync_start - mode->crtc_vdisplay + radeon_crtc->v_border); 323 args.usV_SyncWidth = 324 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); 325 args.ucH_Border = radeon_crtc->h_border; 326 args.ucV_Border = radeon_crtc->v_border; 327 328 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 329 misc |= ATOM_VSYNC_POLARITY; 330 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 331 misc |= ATOM_HSYNC_POLARITY; 332 if (mode->flags & DRM_MODE_FLAG_CSYNC) 333 misc |= ATOM_COMPOSITESYNC; 334 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 335 misc |= ATOM_INTERLACE; 336 if (mode->flags & DRM_MODE_FLAG_DBLCLK) 337 misc |= ATOM_DOUBLE_CLOCK_MODE; 338 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 339 misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; 340 341 args.susModeMiscInfo.usAccess = cpu_to_le16(misc); 342 args.ucCRTC = radeon_crtc->crtc_id; 343 344 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 345 } 346 347 static void atombios_crtc_set_timing(struct drm_crtc *crtc, 348 struct drm_display_mode *mode) 349 { 350 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 351 struct drm_device *dev = crtc->dev; 352 struct radeon_device *rdev = dev->dev_private; 353 SET_CRTC_TIMING_PARAMETERS_PS_ALLOCATION args; 354 int index = GetIndexIntoMasterTable(COMMAND, SetCRTC_Timing); 355 u16 misc = 0; 356 357 memset(&args, 0, sizeof(args)); 358 args.usH_Total = cpu_to_le16(mode->crtc_htotal); 359 args.usH_Disp = cpu_to_le16(mode->crtc_hdisplay); 360 args.usH_SyncStart = cpu_to_le16(mode->crtc_hsync_start); 361 args.usH_SyncWidth = 362 cpu_to_le16(mode->crtc_hsync_end - mode->crtc_hsync_start); 363 args.usV_Total = cpu_to_le16(mode->crtc_vtotal); 364 args.usV_Disp = cpu_to_le16(mode->crtc_vdisplay); 365 args.usV_SyncStart = cpu_to_le16(mode->crtc_vsync_start); 366 args.usV_SyncWidth = 367 cpu_to_le16(mode->crtc_vsync_end - mode->crtc_vsync_start); 368 369 args.ucOverscanRight = radeon_crtc->h_border; 370 args.ucOverscanLeft = radeon_crtc->h_border; 371 args.ucOverscanBottom = radeon_crtc->v_border; 372 args.ucOverscanTop = radeon_crtc->v_border; 373 374 if (mode->flags & DRM_MODE_FLAG_NVSYNC) 375 misc |= ATOM_VSYNC_POLARITY; 376 if (mode->flags & DRM_MODE_FLAG_NHSYNC) 377 misc |= ATOM_HSYNC_POLARITY; 378 if (mode->flags & DRM_MODE_FLAG_CSYNC) 379 misc |= ATOM_COMPOSITESYNC; 380 if (mode->flags & DRM_MODE_FLAG_INTERLACE) 381 misc |= ATOM_INTERLACE; 382 if (mode->flags & DRM_MODE_FLAG_DBLCLK) 383 misc |= ATOM_DOUBLE_CLOCK_MODE; 384 if (mode->flags & DRM_MODE_FLAG_DBLSCAN) 385 misc |= ATOM_H_REPLICATIONBY2 | ATOM_V_REPLICATIONBY2; 386 387 args.susModeMiscInfo.usAccess = cpu_to_le16(misc); 388 args.ucCRTC = radeon_crtc->crtc_id; 389 390 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 391 } 392 393 static void atombios_disable_ss(struct radeon_device *rdev, int pll_id) 394 { 395 u32 ss_cntl; 396 397 if (ASIC_IS_DCE4(rdev)) { 398 switch (pll_id) { 399 case ATOM_PPLL1: 400 ss_cntl = RREG32(EVERGREEN_P1PLL_SS_CNTL); 401 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; 402 WREG32(EVERGREEN_P1PLL_SS_CNTL, ss_cntl); 403 break; 404 case ATOM_PPLL2: 405 ss_cntl = RREG32(EVERGREEN_P2PLL_SS_CNTL); 406 ss_cntl &= ~EVERGREEN_PxPLL_SS_EN; 407 WREG32(EVERGREEN_P2PLL_SS_CNTL, ss_cntl); 408 break; 409 case ATOM_DCPLL: 410 case ATOM_PPLL_INVALID: 411 return; 412 } 413 } else if (ASIC_IS_AVIVO(rdev)) { 414 switch (pll_id) { 415 case ATOM_PPLL1: 416 ss_cntl = RREG32(AVIVO_P1PLL_INT_SS_CNTL); 417 ss_cntl &= ~1; 418 WREG32(AVIVO_P1PLL_INT_SS_CNTL, ss_cntl); 419 break; 420 case ATOM_PPLL2: 421 ss_cntl = RREG32(AVIVO_P2PLL_INT_SS_CNTL); 422 ss_cntl &= ~1; 423 WREG32(AVIVO_P2PLL_INT_SS_CNTL, ss_cntl); 424 break; 425 case ATOM_DCPLL: 426 case ATOM_PPLL_INVALID: 427 return; 428 } 429 } 430 } 431 432 433 union atom_enable_ss { 434 ENABLE_LVDS_SS_PARAMETERS lvds_ss; 435 ENABLE_LVDS_SS_PARAMETERS_V2 lvds_ss_2; 436 ENABLE_SPREAD_SPECTRUM_ON_PPLL_PS_ALLOCATION v1; 437 ENABLE_SPREAD_SPECTRUM_ON_PPLL_V2 v2; 438 ENABLE_SPREAD_SPECTRUM_ON_PPLL_V3 v3; 439 }; 440 441 static void atombios_crtc_program_ss(struct radeon_device *rdev, 442 int enable, 443 int pll_id, 444 int crtc_id, 445 struct radeon_atom_ss *ss) 446 { 447 unsigned i; 448 int index = GetIndexIntoMasterTable(COMMAND, EnableSpreadSpectrumOnPPLL); 449 union atom_enable_ss args; 450 451 if (enable) { 452 /* Don't mess with SS if percentage is 0 or external ss. 453 * SS is already disabled previously, and disabling it 454 * again can cause display problems if the pll is already 455 * programmed. 456 */ 457 if (ss->percentage == 0) 458 return; 459 if (ss->type & ATOM_EXTERNAL_SS_MASK) 460 return; 461 } else { 462 for (i = 0; i < rdev->num_crtc; i++) { 463 if (rdev->mode_info.crtcs[i] && 464 rdev->mode_info.crtcs[i]->enabled && 465 i != crtc_id && 466 pll_id == rdev->mode_info.crtcs[i]->pll_id) { 467 /* one other crtc is using this pll don't turn 468 * off spread spectrum as it might turn off 469 * display on active crtc 470 */ 471 return; 472 } 473 } 474 } 475 476 memset(&args, 0, sizeof(args)); 477 478 if (ASIC_IS_DCE5(rdev)) { 479 args.v3.usSpreadSpectrumAmountFrac = cpu_to_le16(0); 480 args.v3.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 481 switch (pll_id) { 482 case ATOM_PPLL1: 483 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P1PLL; 484 break; 485 case ATOM_PPLL2: 486 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_P2PLL; 487 break; 488 case ATOM_DCPLL: 489 args.v3.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V3_DCPLL; 490 break; 491 case ATOM_PPLL_INVALID: 492 return; 493 } 494 args.v3.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); 495 args.v3.usSpreadSpectrumStep = cpu_to_le16(ss->step); 496 args.v3.ucEnable = enable; 497 } else if (ASIC_IS_DCE4(rdev)) { 498 args.v2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 499 args.v2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 500 switch (pll_id) { 501 case ATOM_PPLL1: 502 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P1PLL; 503 break; 504 case ATOM_PPLL2: 505 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_P2PLL; 506 break; 507 case ATOM_DCPLL: 508 args.v2.ucSpreadSpectrumType |= ATOM_PPLL_SS_TYPE_V2_DCPLL; 509 break; 510 case ATOM_PPLL_INVALID: 511 return; 512 } 513 args.v2.usSpreadSpectrumAmount = cpu_to_le16(ss->amount); 514 args.v2.usSpreadSpectrumStep = cpu_to_le16(ss->step); 515 args.v2.ucEnable = enable; 516 } else if (ASIC_IS_DCE3(rdev)) { 517 args.v1.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 518 args.v1.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 519 args.v1.ucSpreadSpectrumStep = ss->step; 520 args.v1.ucSpreadSpectrumDelay = ss->delay; 521 args.v1.ucSpreadSpectrumRange = ss->range; 522 args.v1.ucPpll = pll_id; 523 args.v1.ucEnable = enable; 524 } else if (ASIC_IS_AVIVO(rdev)) { 525 if ((enable == ATOM_DISABLE) || (ss->percentage == 0) || 526 (ss->type & ATOM_EXTERNAL_SS_MASK)) { 527 atombios_disable_ss(rdev, pll_id); 528 return; 529 } 530 args.lvds_ss_2.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 531 args.lvds_ss_2.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 532 args.lvds_ss_2.ucSpreadSpectrumStep = ss->step; 533 args.lvds_ss_2.ucSpreadSpectrumDelay = ss->delay; 534 args.lvds_ss_2.ucSpreadSpectrumRange = ss->range; 535 args.lvds_ss_2.ucEnable = enable; 536 } else { 537 if (enable == ATOM_DISABLE) { 538 atombios_disable_ss(rdev, pll_id); 539 return; 540 } 541 args.lvds_ss.usSpreadSpectrumPercentage = cpu_to_le16(ss->percentage); 542 args.lvds_ss.ucSpreadSpectrumType = ss->type & ATOM_SS_CENTRE_SPREAD_MODE_MASK; 543 args.lvds_ss.ucSpreadSpectrumStepSize_Delay = (ss->step & 3) << 2; 544 args.lvds_ss.ucSpreadSpectrumStepSize_Delay |= (ss->delay & 7) << 4; 545 args.lvds_ss.ucEnable = enable; 546 } 547 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 548 } 549 550 union adjust_pixel_clock { 551 ADJUST_DISPLAY_PLL_PS_ALLOCATION v1; 552 ADJUST_DISPLAY_PLL_PS_ALLOCATION_V3 v3; 553 }; 554 555 static u32 atombios_adjust_pll(struct drm_crtc *crtc, 556 struct drm_display_mode *mode) 557 { 558 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 559 struct drm_device *dev = crtc->dev; 560 struct radeon_device *rdev = dev->dev_private; 561 struct drm_encoder *encoder = radeon_crtc->encoder; 562 struct radeon_encoder *radeon_encoder = to_radeon_encoder(encoder); 563 struct drm_connector *connector = radeon_get_connector_for_encoder(encoder); 564 u32 adjusted_clock = mode->clock; 565 int encoder_mode = atombios_get_encoder_mode(encoder); 566 u32 dp_clock = mode->clock; 567 u32 clock = mode->clock; 568 int bpc = radeon_crtc->bpc; 569 bool is_duallink = radeon_dig_monitor_is_duallink(encoder, mode->clock); 570 571 /* reset the pll flags */ 572 radeon_crtc->pll_flags = 0; 573 574 if (ASIC_IS_AVIVO(rdev)) { 575 if ((rdev->family == CHIP_RS600) || 576 (rdev->family == CHIP_RS690) || 577 (rdev->family == CHIP_RS740)) 578 radeon_crtc->pll_flags |= (/*RADEON_PLL_USE_FRAC_FB_DIV |*/ 579 RADEON_PLL_PREFER_CLOSEST_LOWER); 580 581 if (ASIC_IS_DCE32(rdev) && mode->clock > 200000) /* range limits??? */ 582 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; 583 else 584 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; 585 586 if (rdev->family < CHIP_RV770) 587 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_MINM_OVER_MAXP; 588 /* use frac fb div on APUs */ 589 if (ASIC_IS_DCE41(rdev) || ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) 590 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 591 /* use frac fb div on RS780/RS880 */ 592 if ((rdev->family == CHIP_RS780) || (rdev->family == CHIP_RS880)) 593 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 594 if (ASIC_IS_DCE32(rdev) && mode->clock > 165000) 595 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 596 } else { 597 radeon_crtc->pll_flags |= RADEON_PLL_LEGACY; 598 599 if (mode->clock > 200000) /* range limits??? */ 600 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_HIGH_FB_DIV; 601 else 602 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_LOW_REF_DIV; 603 } 604 605 if ((radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || 606 (radeon_encoder_get_dp_bridge_encoder_id(encoder) != ENCODER_OBJECT_ID_NONE)) { 607 if (connector) { 608 struct radeon_connector *radeon_connector = to_radeon_connector(connector); 609 struct radeon_connector_atom_dig *dig_connector = 610 radeon_connector->con_priv; 611 612 dp_clock = dig_connector->dp_clock; 613 } 614 } 615 616 if (radeon_encoder->is_mst_encoder) { 617 struct radeon_encoder_mst *mst_enc = radeon_encoder->enc_priv; 618 struct radeon_connector_atom_dig *dig_connector = mst_enc->connector->con_priv; 619 620 dp_clock = dig_connector->dp_clock; 621 } 622 623 /* use recommended ref_div for ss */ 624 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) { 625 if (radeon_crtc->ss_enabled) { 626 if (radeon_crtc->ss.refdiv) { 627 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 628 radeon_crtc->pll_reference_div = radeon_crtc->ss.refdiv; 629 if (ASIC_IS_AVIVO(rdev)) 630 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 631 } 632 } 633 } 634 635 if (ASIC_IS_AVIVO(rdev)) { 636 /* DVO wants 2x pixel clock if the DVO chip is in 12 bit mode */ 637 if (radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_KLDSCP_DVO1) 638 adjusted_clock = mode->clock * 2; 639 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) 640 radeon_crtc->pll_flags |= RADEON_PLL_PREFER_CLOSEST_LOWER; 641 if (radeon_encoder->devices & (ATOM_DEVICE_LCD_SUPPORT)) 642 radeon_crtc->pll_flags |= RADEON_PLL_IS_LCD; 643 } else { 644 if (encoder->encoder_type != DRM_MODE_ENCODER_DAC) 645 radeon_crtc->pll_flags |= RADEON_PLL_NO_ODD_POST_DIV; 646 if (encoder->encoder_type == DRM_MODE_ENCODER_LVDS) 647 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 648 } 649 650 /* adjust pll for deep color modes */ 651 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 652 switch (bpc) { 653 case 8: 654 default: 655 break; 656 case 10: 657 clock = (clock * 5) / 4; 658 break; 659 case 12: 660 clock = (clock * 3) / 2; 661 break; 662 case 16: 663 clock = clock * 2; 664 break; 665 } 666 } 667 668 /* DCE3+ has an AdjustDisplayPll that will adjust the pixel clock 669 * accordingly based on the encoder/transmitter to work around 670 * special hw requirements. 671 */ 672 if (ASIC_IS_DCE3(rdev)) { 673 union adjust_pixel_clock args; 674 u8 frev, crev; 675 int index; 676 677 index = GetIndexIntoMasterTable(COMMAND, AdjustDisplayPll); 678 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 679 &crev)) 680 return adjusted_clock; 681 682 memset(&args, 0, sizeof(args)); 683 684 switch (frev) { 685 case 1: 686 switch (crev) { 687 case 1: 688 case 2: 689 args.v1.usPixelClock = cpu_to_le16(clock / 10); 690 args.v1.ucTransmitterID = radeon_encoder->encoder_id; 691 args.v1.ucEncodeMode = encoder_mode; 692 if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) 693 args.v1.ucConfig |= 694 ADJUST_DISPLAY_CONFIG_SS_ENABLE; 695 696 atom_execute_table(rdev->mode_info.atom_context, 697 index, (uint32_t *)&args); 698 adjusted_clock = le16_to_cpu(args.v1.usPixelClock) * 10; 699 break; 700 case 3: 701 args.v3.sInput.usPixelClock = cpu_to_le16(clock / 10); 702 args.v3.sInput.ucTransmitterID = radeon_encoder->encoder_id; 703 args.v3.sInput.ucEncodeMode = encoder_mode; 704 args.v3.sInput.ucDispPllConfig = 0; 705 if (radeon_crtc->ss_enabled && radeon_crtc->ss.percentage) 706 args.v3.sInput.ucDispPllConfig |= 707 DISPPLL_CONFIG_SS_ENABLE; 708 if (ENCODER_MODE_IS_DP(encoder_mode)) { 709 args.v3.sInput.ucDispPllConfig |= 710 DISPPLL_CONFIG_COHERENT_MODE; 711 /* 16200 or 27000 */ 712 args.v3.sInput.usPixelClock = cpu_to_le16(dp_clock / 10); 713 } else if (radeon_encoder->devices & (ATOM_DEVICE_DFP_SUPPORT)) { 714 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 715 if (dig->coherent_mode) 716 args.v3.sInput.ucDispPllConfig |= 717 DISPPLL_CONFIG_COHERENT_MODE; 718 if (is_duallink) 719 args.v3.sInput.ucDispPllConfig |= 720 DISPPLL_CONFIG_DUAL_LINK; 721 } 722 if (radeon_encoder_get_dp_bridge_encoder_id(encoder) != 723 ENCODER_OBJECT_ID_NONE) 724 args.v3.sInput.ucExtTransmitterID = 725 radeon_encoder_get_dp_bridge_encoder_id(encoder); 726 else 727 args.v3.sInput.ucExtTransmitterID = 0; 728 729 atom_execute_table(rdev->mode_info.atom_context, 730 index, (uint32_t *)&args); 731 adjusted_clock = le32_to_cpu(args.v3.sOutput.ulDispPllFreq) * 10; 732 if (args.v3.sOutput.ucRefDiv) { 733 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 734 radeon_crtc->pll_flags |= RADEON_PLL_USE_REF_DIV; 735 radeon_crtc->pll_reference_div = args.v3.sOutput.ucRefDiv; 736 } 737 if (args.v3.sOutput.ucPostDiv) { 738 radeon_crtc->pll_flags |= RADEON_PLL_USE_FRAC_FB_DIV; 739 radeon_crtc->pll_flags |= RADEON_PLL_USE_POST_DIV; 740 radeon_crtc->pll_post_div = args.v3.sOutput.ucPostDiv; 741 } 742 break; 743 default: 744 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 745 return adjusted_clock; 746 } 747 break; 748 default: 749 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 750 return adjusted_clock; 751 } 752 } 753 return adjusted_clock; 754 } 755 756 union set_pixel_clock { 757 SET_PIXEL_CLOCK_PS_ALLOCATION base; 758 PIXEL_CLOCK_PARAMETERS v1; 759 PIXEL_CLOCK_PARAMETERS_V2 v2; 760 PIXEL_CLOCK_PARAMETERS_V3 v3; 761 PIXEL_CLOCK_PARAMETERS_V5 v5; 762 PIXEL_CLOCK_PARAMETERS_V6 v6; 763 }; 764 765 /* on DCE5, make sure the voltage is high enough to support the 766 * required disp clk. 767 */ 768 static void atombios_crtc_set_disp_eng_pll(struct radeon_device *rdev, 769 u32 dispclk) 770 { 771 u8 frev, crev; 772 int index; 773 union set_pixel_clock args; 774 775 memset(&args, 0, sizeof(args)); 776 777 index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); 778 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 779 &crev)) 780 return; 781 782 switch (frev) { 783 case 1: 784 switch (crev) { 785 case 5: 786 /* if the default dcpll clock is specified, 787 * SetPixelClock provides the dividers 788 */ 789 args.v5.ucCRTC = ATOM_CRTC_INVALID; 790 args.v5.usPixelClock = cpu_to_le16(dispclk); 791 args.v5.ucPpll = ATOM_DCPLL; 792 break; 793 case 6: 794 /* if the default dcpll clock is specified, 795 * SetPixelClock provides the dividers 796 */ 797 args.v6.ulDispEngClkFreq = cpu_to_le32(dispclk); 798 if (ASIC_IS_DCE61(rdev) || ASIC_IS_DCE8(rdev)) 799 args.v6.ucPpll = ATOM_EXT_PLL1; 800 else if (ASIC_IS_DCE6(rdev)) 801 args.v6.ucPpll = ATOM_PPLL0; 802 else 803 args.v6.ucPpll = ATOM_DCPLL; 804 break; 805 default: 806 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 807 return; 808 } 809 break; 810 default: 811 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 812 return; 813 } 814 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 815 } 816 817 static void atombios_crtc_program_pll(struct drm_crtc *crtc, 818 u32 crtc_id, 819 int pll_id, 820 u32 encoder_mode, 821 u32 encoder_id, 822 u32 clock, 823 u32 ref_div, 824 u32 fb_div, 825 u32 frac_fb_div, 826 u32 post_div, 827 int bpc, 828 bool ss_enabled, 829 struct radeon_atom_ss *ss) 830 { 831 struct drm_device *dev = crtc->dev; 832 struct radeon_device *rdev = dev->dev_private; 833 u8 frev, crev; 834 int index = GetIndexIntoMasterTable(COMMAND, SetPixelClock); 835 union set_pixel_clock args; 836 837 memset(&args, 0, sizeof(args)); 838 839 if (!atom_parse_cmd_header(rdev->mode_info.atom_context, index, &frev, 840 &crev)) 841 return; 842 843 switch (frev) { 844 case 1: 845 switch (crev) { 846 case 1: 847 if (clock == ATOM_DISABLE) 848 return; 849 args.v1.usPixelClock = cpu_to_le16(clock / 10); 850 args.v1.usRefDiv = cpu_to_le16(ref_div); 851 args.v1.usFbDiv = cpu_to_le16(fb_div); 852 args.v1.ucFracFbDiv = frac_fb_div; 853 args.v1.ucPostDiv = post_div; 854 args.v1.ucPpll = pll_id; 855 args.v1.ucCRTC = crtc_id; 856 args.v1.ucRefDivSrc = 1; 857 break; 858 case 2: 859 args.v2.usPixelClock = cpu_to_le16(clock / 10); 860 args.v2.usRefDiv = cpu_to_le16(ref_div); 861 args.v2.usFbDiv = cpu_to_le16(fb_div); 862 args.v2.ucFracFbDiv = frac_fb_div; 863 args.v2.ucPostDiv = post_div; 864 args.v2.ucPpll = pll_id; 865 args.v2.ucCRTC = crtc_id; 866 args.v2.ucRefDivSrc = 1; 867 break; 868 case 3: 869 args.v3.usPixelClock = cpu_to_le16(clock / 10); 870 args.v3.usRefDiv = cpu_to_le16(ref_div); 871 args.v3.usFbDiv = cpu_to_le16(fb_div); 872 args.v3.ucFracFbDiv = frac_fb_div; 873 args.v3.ucPostDiv = post_div; 874 args.v3.ucPpll = pll_id; 875 if (crtc_id == ATOM_CRTC2) 876 args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC2; 877 else 878 args.v3.ucMiscInfo = PIXEL_CLOCK_MISC_CRTC_SEL_CRTC1; 879 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 880 args.v3.ucMiscInfo |= PIXEL_CLOCK_MISC_REF_DIV_SRC; 881 args.v3.ucTransmitterId = encoder_id; 882 args.v3.ucEncoderMode = encoder_mode; 883 break; 884 case 5: 885 args.v5.ucCRTC = crtc_id; 886 args.v5.usPixelClock = cpu_to_le16(clock / 10); 887 args.v5.ucRefDiv = ref_div; 888 args.v5.usFbDiv = cpu_to_le16(fb_div); 889 args.v5.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); 890 args.v5.ucPostDiv = post_div; 891 args.v5.ucMiscInfo = 0; /* HDMI depth, etc. */ 892 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 893 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_REF_DIV_SRC; 894 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 895 switch (bpc) { 896 case 8: 897 default: 898 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_24BPP; 899 break; 900 case 10: 901 /* yes this is correct, the atom define is wrong */ 902 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_32BPP; 903 break; 904 case 12: 905 /* yes this is correct, the atom define is wrong */ 906 args.v5.ucMiscInfo |= PIXEL_CLOCK_V5_MISC_HDMI_30BPP; 907 break; 908 } 909 } 910 args.v5.ucTransmitterID = encoder_id; 911 args.v5.ucEncoderMode = encoder_mode; 912 args.v5.ucPpll = pll_id; 913 break; 914 case 6: 915 args.v6.ulDispEngClkFreq = cpu_to_le32(crtc_id << 24 | clock / 10); 916 args.v6.ucRefDiv = ref_div; 917 args.v6.usFbDiv = cpu_to_le16(fb_div); 918 args.v6.ulFbDivDecFrac = cpu_to_le32(frac_fb_div * 100000); 919 args.v6.ucPostDiv = post_div; 920 args.v6.ucMiscInfo = 0; /* HDMI depth, etc. */ 921 if (ss_enabled && (ss->type & ATOM_EXTERNAL_SS_MASK)) 922 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_REF_DIV_SRC; 923 if (encoder_mode == ATOM_ENCODER_MODE_HDMI) { 924 switch (bpc) { 925 case 8: 926 default: 927 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_24BPP; 928 break; 929 case 10: 930 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_30BPP_V6; 931 break; 932 case 12: 933 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_36BPP_V6; 934 break; 935 case 16: 936 args.v6.ucMiscInfo |= PIXEL_CLOCK_V6_MISC_HDMI_48BPP; 937 break; 938 } 939 } 940 args.v6.ucTransmitterID = encoder_id; 941 args.v6.ucEncoderMode = encoder_mode; 942 args.v6.ucPpll = pll_id; 943 break; 944 default: 945 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 946 return; 947 } 948 break; 949 default: 950 DRM_ERROR("Unknown table version %d %d\n", frev, crev); 951 return; 952 } 953 954 atom_execute_table(rdev->mode_info.atom_context, index, (uint32_t *)&args); 955 } 956 957 static bool atombios_crtc_prepare_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) 958 { 959 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 960 struct drm_device *dev = crtc->dev; 961 struct radeon_device *rdev = dev->dev_private; 962 struct radeon_encoder *radeon_encoder = 963 to_radeon_encoder(radeon_crtc->encoder); 964 int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); 965 966 radeon_crtc->bpc = 8; 967 radeon_crtc->ss_enabled = false; 968 969 if (radeon_encoder->is_mst_encoder) { 970 radeon_dp_mst_prepare_pll(crtc, mode); 971 } else if ((radeon_encoder->active_device & (ATOM_DEVICE_LCD_SUPPORT | ATOM_DEVICE_DFP_SUPPORT)) || 972 (radeon_encoder_get_dp_bridge_encoder_id(radeon_crtc->encoder) != ENCODER_OBJECT_ID_NONE)) { 973 struct radeon_encoder_atom_dig *dig = radeon_encoder->enc_priv; 974 struct drm_connector *connector = 975 radeon_get_connector_for_encoder(radeon_crtc->encoder); 976 struct radeon_connector *radeon_connector = 977 to_radeon_connector(connector); 978 struct radeon_connector_atom_dig *dig_connector = 979 radeon_connector->con_priv; 980 int dp_clock; 981 982 /* Assign mode clock for hdmi deep color max clock limit check */ 983 radeon_connector->pixelclock_for_modeset = mode->clock; 984 radeon_crtc->bpc = radeon_get_monitor_bpc(connector); 985 986 switch (encoder_mode) { 987 case ATOM_ENCODER_MODE_DP_MST: 988 case ATOM_ENCODER_MODE_DP: 989 /* DP/eDP */ 990 dp_clock = dig_connector->dp_clock / 10; 991 if (ASIC_IS_DCE4(rdev)) 992 radeon_crtc->ss_enabled = 993 radeon_atombios_get_asic_ss_info(rdev, &radeon_crtc->ss, 994 ASIC_INTERNAL_SS_ON_DP, 995 dp_clock); 996 else { 997 if (dp_clock == 16200) { 998 radeon_crtc->ss_enabled = 999 radeon_atombios_get_ppll_ss_info(rdev, 1000 &radeon_crtc->ss, 1001 ATOM_DP_SS_ID2); 1002 if (!radeon_crtc->ss_enabled) 1003 radeon_crtc->ss_enabled = 1004 radeon_atombios_get_ppll_ss_info(rdev, 1005 &radeon_crtc->ss, 1006 ATOM_DP_SS_ID1); 1007 } else { 1008 radeon_crtc->ss_enabled = 1009 radeon_atombios_get_ppll_ss_info(rdev, 1010 &radeon_crtc->ss, 1011 ATOM_DP_SS_ID1); 1012 } 1013 /* disable spread spectrum on DCE3 DP */ 1014 radeon_crtc->ss_enabled = false; 1015 } 1016 break; 1017 case ATOM_ENCODER_MODE_LVDS: 1018 if (ASIC_IS_DCE4(rdev)) 1019 radeon_crtc->ss_enabled = 1020 radeon_atombios_get_asic_ss_info(rdev, 1021 &radeon_crtc->ss, 1022 dig->lcd_ss_id, 1023 mode->clock / 10); 1024 else 1025 radeon_crtc->ss_enabled = 1026 radeon_atombios_get_ppll_ss_info(rdev, 1027 &radeon_crtc->ss, 1028 dig->lcd_ss_id); 1029 break; 1030 case ATOM_ENCODER_MODE_DVI: 1031 if (ASIC_IS_DCE4(rdev)) 1032 radeon_crtc->ss_enabled = 1033 radeon_atombios_get_asic_ss_info(rdev, 1034 &radeon_crtc->ss, 1035 ASIC_INTERNAL_SS_ON_TMDS, 1036 mode->clock / 10); 1037 break; 1038 case ATOM_ENCODER_MODE_HDMI: 1039 if (ASIC_IS_DCE4(rdev)) 1040 radeon_crtc->ss_enabled = 1041 radeon_atombios_get_asic_ss_info(rdev, 1042 &radeon_crtc->ss, 1043 ASIC_INTERNAL_SS_ON_HDMI, 1044 mode->clock / 10); 1045 break; 1046 default: 1047 break; 1048 } 1049 } 1050 1051 /* adjust pixel clock as needed */ 1052 radeon_crtc->adjusted_clock = atombios_adjust_pll(crtc, mode); 1053 1054 return true; 1055 } 1056 1057 static void atombios_crtc_set_pll(struct drm_crtc *crtc, struct drm_display_mode *mode) 1058 { 1059 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1060 struct drm_device *dev = crtc->dev; 1061 struct radeon_device *rdev = dev->dev_private; 1062 struct radeon_encoder *radeon_encoder = 1063 to_radeon_encoder(radeon_crtc->encoder); 1064 u32 pll_clock = mode->clock; 1065 u32 clock = mode->clock; 1066 u32 ref_div = 0, fb_div = 0, frac_fb_div = 0, post_div = 0; 1067 struct radeon_pll *pll; 1068 int encoder_mode = atombios_get_encoder_mode(radeon_crtc->encoder); 1069 1070 /* pass the actual clock to atombios_crtc_program_pll for DCE5,6 for HDMI */ 1071 if (ASIC_IS_DCE5(rdev) && 1072 (encoder_mode == ATOM_ENCODER_MODE_HDMI) && 1073 (radeon_crtc->bpc > 8)) 1074 clock = radeon_crtc->adjusted_clock; 1075 1076 switch (radeon_crtc->pll_id) { 1077 case ATOM_PPLL1: 1078 pll = &rdev->clock.p1pll; 1079 break; 1080 case ATOM_PPLL2: 1081 pll = &rdev->clock.p2pll; 1082 break; 1083 case ATOM_DCPLL: 1084 case ATOM_PPLL_INVALID: 1085 default: 1086 pll = &rdev->clock.dcpll; 1087 break; 1088 } 1089 1090 /* update pll params */ 1091 pll->flags = radeon_crtc->pll_flags; 1092 pll->reference_div = radeon_crtc->pll_reference_div; 1093 pll->post_div = radeon_crtc->pll_post_div; 1094 1095 if (radeon_encoder->active_device & (ATOM_DEVICE_TV_SUPPORT)) 1096 /* TV seems to prefer the legacy algo on some boards */ 1097 radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, 1098 &fb_div, &frac_fb_div, &ref_div, &post_div); 1099 else if (ASIC_IS_AVIVO(rdev)) 1100 radeon_compute_pll_avivo(pll, radeon_crtc->adjusted_clock, &pll_clock, 1101 &fb_div, &frac_fb_div, &ref_div, &post_div); 1102 else 1103 radeon_compute_pll_legacy(pll, radeon_crtc->adjusted_clock, &pll_clock, 1104 &fb_div, &frac_fb_div, &ref_div, &post_div); 1105 1106 atombios_crtc_program_ss(rdev, ATOM_DISABLE, radeon_crtc->pll_id, 1107 radeon_crtc->crtc_id, &radeon_crtc->ss); 1108 1109 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 1110 encoder_mode, radeon_encoder->encoder_id, clock, 1111 ref_div, fb_div, frac_fb_div, post_div, 1112 radeon_crtc->bpc, radeon_crtc->ss_enabled, &radeon_crtc->ss); 1113 1114 if (radeon_crtc->ss_enabled) { 1115 /* calculate ss amount and step size */ 1116 if (ASIC_IS_DCE4(rdev)) { 1117 u32 step_size; 1118 u32 amount = (((fb_div * 10) + frac_fb_div) * 1119 (u32)radeon_crtc->ss.percentage) / 1120 (100 * (u32)radeon_crtc->ss.percentage_divider); 1121 radeon_crtc->ss.amount = (amount / 10) & ATOM_PPLL_SS_AMOUNT_V2_FBDIV_MASK; 1122 radeon_crtc->ss.amount |= ((amount - (amount / 10)) << ATOM_PPLL_SS_AMOUNT_V2_NFRAC_SHIFT) & 1123 ATOM_PPLL_SS_AMOUNT_V2_NFRAC_MASK; 1124 if (radeon_crtc->ss.type & ATOM_PPLL_SS_TYPE_V2_CENTRE_SPREAD) 1125 step_size = (4 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / 1126 (125 * 25 * pll->reference_freq / 100); 1127 else 1128 step_size = (2 * amount * ref_div * ((u32)radeon_crtc->ss.rate * 2048)) / 1129 (125 * 25 * pll->reference_freq / 100); 1130 radeon_crtc->ss.step = step_size; 1131 } 1132 1133 atombios_crtc_program_ss(rdev, ATOM_ENABLE, radeon_crtc->pll_id, 1134 radeon_crtc->crtc_id, &radeon_crtc->ss); 1135 } 1136 } 1137 1138 static int dce4_crtc_do_set_base(struct drm_crtc *crtc, 1139 struct drm_framebuffer *fb, 1140 int x, int y, int atomic) 1141 { 1142 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1143 struct drm_device *dev = crtc->dev; 1144 struct radeon_device *rdev = dev->dev_private; 1145 struct radeon_framebuffer *radeon_fb; 1146 struct drm_framebuffer *target_fb; 1147 struct drm_gem_object *obj; 1148 struct radeon_bo *rbo; 1149 uint64_t fb_location; 1150 uint32_t fb_format, fb_pitch_pixels, tiling_flags; 1151 unsigned bankw, bankh, mtaspect, tile_split; 1152 u32 fb_swap = EVERGREEN_GRPH_ENDIAN_SWAP(EVERGREEN_GRPH_ENDIAN_NONE); 1153 u32 tmp, viewport_w, viewport_h; 1154 int r; 1155 bool bypass_lut = false; 1156 1157 /* no fb bound */ 1158 if (!atomic && !crtc->primary->fb) { 1159 DRM_DEBUG_KMS("No FB bound\n"); 1160 return 0; 1161 } 1162 1163 if (atomic) { 1164 radeon_fb = to_radeon_framebuffer(fb); 1165 target_fb = fb; 1166 } 1167 else { 1168 radeon_fb = to_radeon_framebuffer(crtc->primary->fb); 1169 target_fb = crtc->primary->fb; 1170 } 1171 1172 /* If atomic, assume fb object is pinned & idle & fenced and 1173 * just update base pointers 1174 */ 1175 obj = radeon_fb->obj; 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->pixel_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 default: 1259 DRM_ERROR("Unsupported screen format %s\n", 1260 drm_get_format_name(target_fb->pixel_format)); 1261 return -EINVAL; 1262 } 1263 1264 if (tiling_flags & RADEON_TILING_MACRO) { 1265 evergreen_tiling_fields(tiling_flags, &bankw, &bankh, &mtaspect, &tile_split); 1266 1267 /* Set NUM_BANKS. */ 1268 if (rdev->family >= CHIP_TAHITI) { 1269 unsigned index, num_banks; 1270 1271 if (rdev->family >= CHIP_BONAIRE) { 1272 unsigned tileb, tile_split_bytes; 1273 1274 /* Calculate the macrotile mode index. */ 1275 tile_split_bytes = 64 << tile_split; 1276 tileb = 8 * 8 * target_fb->bits_per_pixel / 8; 1277 tileb = min(tile_split_bytes, tileb); 1278 1279 for (index = 0; tileb > 64; index++) 1280 tileb >>= 1; 1281 1282 if (index >= 16) { 1283 DRM_ERROR("Wrong screen bpp (%u) or tile split (%u)\n", 1284 target_fb->bits_per_pixel, tile_split); 1285 return -EINVAL; 1286 } 1287 1288 num_banks = (rdev->config.cik.macrotile_mode_array[index] >> 6) & 0x3; 1289 } else { 1290 switch (target_fb->bits_per_pixel) { 1291 case 8: 1292 index = 10; 1293 break; 1294 case 16: 1295 index = SI_TILE_MODE_COLOR_2D_SCANOUT_16BPP; 1296 break; 1297 default: 1298 case 32: 1299 index = SI_TILE_MODE_COLOR_2D_SCANOUT_32BPP; 1300 break; 1301 } 1302 1303 num_banks = (rdev->config.si.tile_mode_array[index] >> 20) & 0x3; 1304 } 1305 1306 fb_format |= EVERGREEN_GRPH_NUM_BANKS(num_banks); 1307 } else { 1308 /* NI and older. */ 1309 if (rdev->family >= CHIP_CAYMAN) 1310 tmp = rdev->config.cayman.tile_config; 1311 else 1312 tmp = rdev->config.evergreen.tile_config; 1313 1314 switch ((tmp & 0xf0) >> 4) { 1315 case 0: /* 4 banks */ 1316 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_4_BANK); 1317 break; 1318 case 1: /* 8 banks */ 1319 default: 1320 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_8_BANK); 1321 break; 1322 case 2: /* 16 banks */ 1323 fb_format |= EVERGREEN_GRPH_NUM_BANKS(EVERGREEN_ADDR_SURF_16_BANK); 1324 break; 1325 } 1326 } 1327 1328 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_2D_TILED_THIN1); 1329 fb_format |= EVERGREEN_GRPH_TILE_SPLIT(tile_split); 1330 fb_format |= EVERGREEN_GRPH_BANK_WIDTH(bankw); 1331 fb_format |= EVERGREEN_GRPH_BANK_HEIGHT(bankh); 1332 fb_format |= EVERGREEN_GRPH_MACRO_TILE_ASPECT(mtaspect); 1333 if (rdev->family >= CHIP_BONAIRE) { 1334 /* XXX need to know more about the surface tiling mode */ 1335 fb_format |= CIK_GRPH_MICRO_TILE_MODE(CIK_DISPLAY_MICRO_TILING); 1336 } 1337 } else if (tiling_flags & RADEON_TILING_MICRO) 1338 fb_format |= EVERGREEN_GRPH_ARRAY_MODE(EVERGREEN_GRPH_ARRAY_1D_TILED_THIN1); 1339 1340 if (rdev->family >= CHIP_BONAIRE) { 1341 /* Read the pipe config from the 2D TILED SCANOUT mode. 1342 * It should be the same for the other modes too, but not all 1343 * modes set the pipe config field. */ 1344 u32 pipe_config = (rdev->config.cik.tile_mode_array[10] >> 6) & 0x1f; 1345 1346 fb_format |= CIK_GRPH_PIPE_CONFIG(pipe_config); 1347 } else if ((rdev->family == CHIP_TAHITI) || 1348 (rdev->family == CHIP_PITCAIRN)) 1349 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P8_32x32_8x16); 1350 else if ((rdev->family == CHIP_VERDE) || 1351 (rdev->family == CHIP_OLAND) || 1352 (rdev->family == CHIP_HAINAN)) /* for completeness. HAINAN has no display hw */ 1353 fb_format |= SI_GRPH_PIPE_CONFIG(SI_ADDR_SURF_P4_8x16); 1354 1355 switch (radeon_crtc->crtc_id) { 1356 case 0: 1357 WREG32(AVIVO_D1VGA_CONTROL, 0); 1358 break; 1359 case 1: 1360 WREG32(AVIVO_D2VGA_CONTROL, 0); 1361 break; 1362 case 2: 1363 WREG32(EVERGREEN_D3VGA_CONTROL, 0); 1364 break; 1365 case 3: 1366 WREG32(EVERGREEN_D4VGA_CONTROL, 0); 1367 break; 1368 case 4: 1369 WREG32(EVERGREEN_D5VGA_CONTROL, 0); 1370 break; 1371 case 5: 1372 WREG32(EVERGREEN_D6VGA_CONTROL, 0); 1373 break; 1374 default: 1375 break; 1376 } 1377 1378 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 1379 upper_32_bits(fb_location)); 1380 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS_HIGH + radeon_crtc->crtc_offset, 1381 upper_32_bits(fb_location)); 1382 WREG32(EVERGREEN_GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1383 (u32)fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); 1384 WREG32(EVERGREEN_GRPH_SECONDARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1385 (u32) fb_location & EVERGREEN_GRPH_SURFACE_ADDRESS_MASK); 1386 WREG32(EVERGREEN_GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); 1387 WREG32(EVERGREEN_GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); 1388 1389 /* 1390 * The LUT only has 256 slots for indexing by a 8 bpc fb. Bypass the LUT 1391 * for > 8 bpc scanout to avoid truncation of fb indices to 8 msb's, to 1392 * retain the full precision throughout the pipeline. 1393 */ 1394 WREG32_P(EVERGREEN_GRPH_LUT_10BIT_BYPASS_CONTROL + radeon_crtc->crtc_offset, 1395 (bypass_lut ? EVERGREEN_LUT_10BIT_BYPASS_EN : 0), 1396 ~EVERGREEN_LUT_10BIT_BYPASS_EN); 1397 1398 if (bypass_lut) 1399 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 1400 1401 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); 1402 WREG32(EVERGREEN_GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); 1403 WREG32(EVERGREEN_GRPH_X_START + radeon_crtc->crtc_offset, 0); 1404 WREG32(EVERGREEN_GRPH_Y_START + radeon_crtc->crtc_offset, 0); 1405 WREG32(EVERGREEN_GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); 1406 WREG32(EVERGREEN_GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); 1407 1408 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8); 1409 WREG32(EVERGREEN_GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); 1410 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 1); 1411 1412 if (rdev->family >= CHIP_BONAIRE) 1413 WREG32(CIK_LB_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1414 target_fb->height); 1415 else 1416 WREG32(EVERGREEN_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1417 target_fb->height); 1418 x &= ~3; 1419 y &= ~1; 1420 WREG32(EVERGREEN_VIEWPORT_START + radeon_crtc->crtc_offset, 1421 (x << 16) | y); 1422 viewport_w = crtc->mode.hdisplay; 1423 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 1424 if ((rdev->family >= CHIP_BONAIRE) && 1425 (crtc->mode.flags & DRM_MODE_FLAG_INTERLACE)) 1426 viewport_h *= 2; 1427 WREG32(EVERGREEN_VIEWPORT_SIZE + radeon_crtc->crtc_offset, 1428 (viewport_w << 16) | viewport_h); 1429 1430 /* pageflip setup */ 1431 /* make sure flip is at vb rather than hb */ 1432 tmp = RREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); 1433 tmp &= ~EVERGREEN_GRPH_SURFACE_UPDATE_H_RETRACE_EN; 1434 WREG32(EVERGREEN_GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); 1435 1436 /* set pageflip to happen only at start of vblank interval (front porch) */ 1437 WREG32(EVERGREEN_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); 1438 1439 if (!atomic && fb && fb != crtc->primary->fb) { 1440 radeon_fb = to_radeon_framebuffer(fb); 1441 rbo = gem_to_radeon_bo(radeon_fb->obj); 1442 r = radeon_bo_reserve(rbo, false); 1443 if (unlikely(r != 0)) 1444 return r; 1445 radeon_bo_unpin(rbo); 1446 radeon_bo_unreserve(rbo); 1447 } 1448 1449 /* Bytes per pixel may have changed */ 1450 radeon_bandwidth_update(rdev); 1451 1452 return 0; 1453 } 1454 1455 static int avivo_crtc_do_set_base(struct drm_crtc *crtc, 1456 struct drm_framebuffer *fb, 1457 int x, int y, int atomic) 1458 { 1459 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1460 struct drm_device *dev = crtc->dev; 1461 struct radeon_device *rdev = dev->dev_private; 1462 struct radeon_framebuffer *radeon_fb; 1463 struct drm_gem_object *obj; 1464 struct radeon_bo *rbo; 1465 struct drm_framebuffer *target_fb; 1466 uint64_t fb_location; 1467 uint32_t fb_format, fb_pitch_pixels, tiling_flags; 1468 u32 fb_swap = R600_D1GRPH_SWAP_ENDIAN_NONE; 1469 u32 tmp, viewport_w, viewport_h; 1470 int r; 1471 bool bypass_lut = false; 1472 1473 /* no fb bound */ 1474 if (!atomic && !crtc->primary->fb) { 1475 DRM_DEBUG_KMS("No FB bound\n"); 1476 return 0; 1477 } 1478 1479 if (atomic) { 1480 radeon_fb = to_radeon_framebuffer(fb); 1481 target_fb = fb; 1482 } 1483 else { 1484 radeon_fb = to_radeon_framebuffer(crtc->primary->fb); 1485 target_fb = crtc->primary->fb; 1486 } 1487 1488 obj = radeon_fb->obj; 1489 rbo = gem_to_radeon_bo(obj); 1490 r = radeon_bo_reserve(rbo, false); 1491 if (unlikely(r != 0)) 1492 return r; 1493 1494 /* If atomic, assume fb object is pinned & idle & fenced and 1495 * just update base pointers 1496 */ 1497 if (atomic) 1498 fb_location = radeon_bo_gpu_offset(rbo); 1499 else { 1500 r = radeon_bo_pin(rbo, RADEON_GEM_DOMAIN_VRAM, &fb_location); 1501 if (unlikely(r != 0)) { 1502 radeon_bo_unreserve(rbo); 1503 return -EINVAL; 1504 } 1505 } 1506 radeon_bo_get_tiling_flags(rbo, &tiling_flags, NULL); 1507 radeon_bo_unreserve(rbo); 1508 1509 switch (target_fb->pixel_format) { 1510 case DRM_FORMAT_C8: 1511 fb_format = 1512 AVIVO_D1GRPH_CONTROL_DEPTH_8BPP | 1513 AVIVO_D1GRPH_CONTROL_8BPP_INDEXED; 1514 break; 1515 case DRM_FORMAT_XRGB4444: 1516 case DRM_FORMAT_ARGB4444: 1517 fb_format = 1518 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1519 AVIVO_D1GRPH_CONTROL_16BPP_ARGB4444; 1520 #ifdef __BIG_ENDIAN 1521 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1522 #endif 1523 break; 1524 case DRM_FORMAT_XRGB1555: 1525 fb_format = 1526 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1527 AVIVO_D1GRPH_CONTROL_16BPP_ARGB1555; 1528 #ifdef __BIG_ENDIAN 1529 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1530 #endif 1531 break; 1532 case DRM_FORMAT_RGB565: 1533 fb_format = 1534 AVIVO_D1GRPH_CONTROL_DEPTH_16BPP | 1535 AVIVO_D1GRPH_CONTROL_16BPP_RGB565; 1536 #ifdef __BIG_ENDIAN 1537 fb_swap = R600_D1GRPH_SWAP_ENDIAN_16BIT; 1538 #endif 1539 break; 1540 case DRM_FORMAT_XRGB8888: 1541 case DRM_FORMAT_ARGB8888: 1542 fb_format = 1543 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | 1544 AVIVO_D1GRPH_CONTROL_32BPP_ARGB8888; 1545 #ifdef __BIG_ENDIAN 1546 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; 1547 #endif 1548 break; 1549 case DRM_FORMAT_XRGB2101010: 1550 case DRM_FORMAT_ARGB2101010: 1551 fb_format = 1552 AVIVO_D1GRPH_CONTROL_DEPTH_32BPP | 1553 AVIVO_D1GRPH_CONTROL_32BPP_ARGB2101010; 1554 #ifdef __BIG_ENDIAN 1555 fb_swap = R600_D1GRPH_SWAP_ENDIAN_32BIT; 1556 #endif 1557 /* Greater 8 bpc fb needs to bypass hw-lut to retain precision */ 1558 bypass_lut = true; 1559 break; 1560 default: 1561 DRM_ERROR("Unsupported screen format %s\n", 1562 drm_get_format_name(target_fb->pixel_format)); 1563 return -EINVAL; 1564 } 1565 1566 if (rdev->family >= CHIP_R600) { 1567 if (tiling_flags & RADEON_TILING_MACRO) 1568 fb_format |= R600_D1GRPH_ARRAY_MODE_2D_TILED_THIN1; 1569 else if (tiling_flags & RADEON_TILING_MICRO) 1570 fb_format |= R600_D1GRPH_ARRAY_MODE_1D_TILED_THIN1; 1571 } else { 1572 if (tiling_flags & RADEON_TILING_MACRO) 1573 fb_format |= AVIVO_D1GRPH_MACRO_ADDRESS_MODE; 1574 1575 if (tiling_flags & RADEON_TILING_MICRO) 1576 fb_format |= AVIVO_D1GRPH_TILED; 1577 } 1578 1579 if (radeon_crtc->crtc_id == 0) 1580 WREG32(AVIVO_D1VGA_CONTROL, 0); 1581 else 1582 WREG32(AVIVO_D2VGA_CONTROL, 0); 1583 1584 if (rdev->family >= CHIP_RV770) { 1585 if (radeon_crtc->crtc_id) { 1586 WREG32(R700_D2GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1587 WREG32(R700_D2GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1588 } else { 1589 WREG32(R700_D1GRPH_PRIMARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1590 WREG32(R700_D1GRPH_SECONDARY_SURFACE_ADDRESS_HIGH, upper_32_bits(fb_location)); 1591 } 1592 } 1593 WREG32(AVIVO_D1GRPH_PRIMARY_SURFACE_ADDRESS + radeon_crtc->crtc_offset, 1594 (u32) fb_location); 1595 WREG32(AVIVO_D1GRPH_SECONDARY_SURFACE_ADDRESS + 1596 radeon_crtc->crtc_offset, (u32) fb_location); 1597 WREG32(AVIVO_D1GRPH_CONTROL + radeon_crtc->crtc_offset, fb_format); 1598 if (rdev->family >= CHIP_R600) 1599 WREG32(R600_D1GRPH_SWAP_CONTROL + radeon_crtc->crtc_offset, fb_swap); 1600 1601 /* LUT only has 256 slots for 8 bpc fb. Bypass for > 8 bpc scanout for precision */ 1602 WREG32_P(AVIVO_D1GRPH_LUT_SEL + radeon_crtc->crtc_offset, 1603 (bypass_lut ? AVIVO_LUT_10BIT_BYPASS_EN : 0), ~AVIVO_LUT_10BIT_BYPASS_EN); 1604 1605 if (bypass_lut) 1606 DRM_DEBUG_KMS("Bypassing hardware LUT due to 10 bit fb scanout.\n"); 1607 1608 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_X + radeon_crtc->crtc_offset, 0); 1609 WREG32(AVIVO_D1GRPH_SURFACE_OFFSET_Y + radeon_crtc->crtc_offset, 0); 1610 WREG32(AVIVO_D1GRPH_X_START + radeon_crtc->crtc_offset, 0); 1611 WREG32(AVIVO_D1GRPH_Y_START + radeon_crtc->crtc_offset, 0); 1612 WREG32(AVIVO_D1GRPH_X_END + radeon_crtc->crtc_offset, target_fb->width); 1613 WREG32(AVIVO_D1GRPH_Y_END + radeon_crtc->crtc_offset, target_fb->height); 1614 1615 fb_pitch_pixels = target_fb->pitches[0] / (target_fb->bits_per_pixel / 8); 1616 WREG32(AVIVO_D1GRPH_PITCH + radeon_crtc->crtc_offset, fb_pitch_pixels); 1617 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 1); 1618 1619 WREG32(AVIVO_D1MODE_DESKTOP_HEIGHT + radeon_crtc->crtc_offset, 1620 target_fb->height); 1621 x &= ~3; 1622 y &= ~1; 1623 WREG32(AVIVO_D1MODE_VIEWPORT_START + radeon_crtc->crtc_offset, 1624 (x << 16) | y); 1625 viewport_w = crtc->mode.hdisplay; 1626 viewport_h = (crtc->mode.vdisplay + 1) & ~1; 1627 WREG32(AVIVO_D1MODE_VIEWPORT_SIZE + radeon_crtc->crtc_offset, 1628 (viewport_w << 16) | viewport_h); 1629 1630 /* pageflip setup */ 1631 /* make sure flip is at vb rather than hb */ 1632 tmp = RREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset); 1633 tmp &= ~AVIVO_D1GRPH_SURFACE_UPDATE_H_RETRACE_EN; 1634 WREG32(AVIVO_D1GRPH_FLIP_CONTROL + radeon_crtc->crtc_offset, tmp); 1635 1636 /* set pageflip to happen only at start of vblank interval (front porch) */ 1637 WREG32(AVIVO_D1MODE_MASTER_UPDATE_MODE + radeon_crtc->crtc_offset, 3); 1638 1639 if (!atomic && fb && fb != crtc->primary->fb) { 1640 radeon_fb = to_radeon_framebuffer(fb); 1641 rbo = gem_to_radeon_bo(radeon_fb->obj); 1642 r = radeon_bo_reserve(rbo, false); 1643 if (unlikely(r != 0)) 1644 return r; 1645 radeon_bo_unpin(rbo); 1646 radeon_bo_unreserve(rbo); 1647 } 1648 1649 /* Bytes per pixel may have changed */ 1650 radeon_bandwidth_update(rdev); 1651 1652 return 0; 1653 } 1654 1655 int atombios_crtc_set_base(struct drm_crtc *crtc, int x, int y, 1656 struct drm_framebuffer *old_fb) 1657 { 1658 struct drm_device *dev = crtc->dev; 1659 struct radeon_device *rdev = dev->dev_private; 1660 1661 if (ASIC_IS_DCE4(rdev)) 1662 return dce4_crtc_do_set_base(crtc, old_fb, x, y, 0); 1663 else if (ASIC_IS_AVIVO(rdev)) 1664 return avivo_crtc_do_set_base(crtc, old_fb, x, y, 0); 1665 else 1666 return radeon_crtc_do_set_base(crtc, old_fb, x, y, 0); 1667 } 1668 1669 int atombios_crtc_set_base_atomic(struct drm_crtc *crtc, 1670 struct drm_framebuffer *fb, 1671 int x, int y, enum mode_set_atomic state) 1672 { 1673 struct drm_device *dev = crtc->dev; 1674 struct radeon_device *rdev = dev->dev_private; 1675 1676 if (ASIC_IS_DCE4(rdev)) 1677 return dce4_crtc_do_set_base(crtc, fb, x, y, 1); 1678 else if (ASIC_IS_AVIVO(rdev)) 1679 return avivo_crtc_do_set_base(crtc, fb, x, y, 1); 1680 else 1681 return radeon_crtc_do_set_base(crtc, fb, x, y, 1); 1682 } 1683 1684 /* properly set additional regs when using atombios */ 1685 static void radeon_legacy_atom_fixup(struct drm_crtc *crtc) 1686 { 1687 struct drm_device *dev = crtc->dev; 1688 struct radeon_device *rdev = dev->dev_private; 1689 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1690 u32 disp_merge_cntl; 1691 1692 switch (radeon_crtc->crtc_id) { 1693 case 0: 1694 disp_merge_cntl = RREG32(RADEON_DISP_MERGE_CNTL); 1695 disp_merge_cntl &= ~RADEON_DISP_RGB_OFFSET_EN; 1696 WREG32(RADEON_DISP_MERGE_CNTL, disp_merge_cntl); 1697 break; 1698 case 1: 1699 disp_merge_cntl = RREG32(RADEON_DISP2_MERGE_CNTL); 1700 disp_merge_cntl &= ~RADEON_DISP2_RGB_OFFSET_EN; 1701 WREG32(RADEON_DISP2_MERGE_CNTL, disp_merge_cntl); 1702 WREG32(RADEON_FP_H2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_H_SYNC_STRT_WID)); 1703 WREG32(RADEON_FP_V2_SYNC_STRT_WID, RREG32(RADEON_CRTC2_V_SYNC_STRT_WID)); 1704 break; 1705 } 1706 } 1707 1708 /** 1709 * radeon_get_pll_use_mask - look up a mask of which pplls are in use 1710 * 1711 * @crtc: drm crtc 1712 * 1713 * Returns the mask of which PPLLs (Pixel PLLs) are in use. 1714 */ 1715 static u32 radeon_get_pll_use_mask(struct drm_crtc *crtc) 1716 { 1717 struct drm_device *dev = crtc->dev; 1718 struct drm_crtc *test_crtc; 1719 struct radeon_crtc *test_radeon_crtc; 1720 u32 pll_in_use = 0; 1721 1722 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1723 if (crtc == test_crtc) 1724 continue; 1725 1726 test_radeon_crtc = to_radeon_crtc(test_crtc); 1727 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1728 pll_in_use |= (1 << test_radeon_crtc->pll_id); 1729 } 1730 return pll_in_use; 1731 } 1732 1733 /** 1734 * radeon_get_shared_dp_ppll - return the PPLL used by another crtc for DP 1735 * 1736 * @crtc: drm crtc 1737 * 1738 * Returns the PPLL (Pixel PLL) used by another crtc/encoder which is 1739 * also in DP mode. For DP, a single PPLL can be used for all DP 1740 * crtcs/encoders. 1741 */ 1742 static int radeon_get_shared_dp_ppll(struct drm_crtc *crtc) 1743 { 1744 struct drm_device *dev = crtc->dev; 1745 struct radeon_device *rdev = dev->dev_private; 1746 struct drm_crtc *test_crtc; 1747 struct radeon_crtc *test_radeon_crtc; 1748 1749 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1750 if (crtc == test_crtc) 1751 continue; 1752 test_radeon_crtc = to_radeon_crtc(test_crtc); 1753 if (test_radeon_crtc->encoder && 1754 ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { 1755 /* PPLL2 is exclusive to UNIPHYA on DCE61 */ 1756 if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && 1757 test_radeon_crtc->pll_id == ATOM_PPLL2) 1758 continue; 1759 /* for DP use the same PLL for all */ 1760 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1761 return test_radeon_crtc->pll_id; 1762 } 1763 } 1764 return ATOM_PPLL_INVALID; 1765 } 1766 1767 /** 1768 * radeon_get_shared_nondp_ppll - return the PPLL used by another non-DP crtc 1769 * 1770 * @crtc: drm crtc 1771 * @encoder: drm encoder 1772 * 1773 * Returns the PPLL (Pixel PLL) used by another non-DP crtc/encoder which can 1774 * be shared (i.e., same clock). 1775 */ 1776 static int radeon_get_shared_nondp_ppll(struct drm_crtc *crtc) 1777 { 1778 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1779 struct drm_device *dev = crtc->dev; 1780 struct radeon_device *rdev = dev->dev_private; 1781 struct drm_crtc *test_crtc; 1782 struct radeon_crtc *test_radeon_crtc; 1783 u32 adjusted_clock, test_adjusted_clock; 1784 1785 adjusted_clock = radeon_crtc->adjusted_clock; 1786 1787 if (adjusted_clock == 0) 1788 return ATOM_PPLL_INVALID; 1789 1790 list_for_each_entry(test_crtc, &dev->mode_config.crtc_list, head) { 1791 if (crtc == test_crtc) 1792 continue; 1793 test_radeon_crtc = to_radeon_crtc(test_crtc); 1794 if (test_radeon_crtc->encoder && 1795 !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(test_radeon_crtc->encoder))) { 1796 /* PPLL2 is exclusive to UNIPHYA on DCE61 */ 1797 if (ASIC_IS_DCE61(rdev) && !ASIC_IS_DCE8(rdev) && 1798 test_radeon_crtc->pll_id == ATOM_PPLL2) 1799 continue; 1800 /* check if we are already driving this connector with another crtc */ 1801 if (test_radeon_crtc->connector == radeon_crtc->connector) { 1802 /* if we are, return that pll */ 1803 if (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID) 1804 return test_radeon_crtc->pll_id; 1805 } 1806 /* for non-DP check the clock */ 1807 test_adjusted_clock = test_radeon_crtc->adjusted_clock; 1808 if ((crtc->mode.clock == test_crtc->mode.clock) && 1809 (adjusted_clock == test_adjusted_clock) && 1810 (radeon_crtc->ss_enabled == test_radeon_crtc->ss_enabled) && 1811 (test_radeon_crtc->pll_id != ATOM_PPLL_INVALID)) 1812 return test_radeon_crtc->pll_id; 1813 } 1814 } 1815 return ATOM_PPLL_INVALID; 1816 } 1817 1818 /** 1819 * radeon_atom_pick_pll - Allocate a PPLL for use by the crtc. 1820 * 1821 * @crtc: drm crtc 1822 * 1823 * Returns the PPLL (Pixel PLL) to be used by the crtc. For DP monitors 1824 * a single PPLL can be used for all DP crtcs/encoders. For non-DP 1825 * monitors a dedicated PPLL must be used. If a particular board has 1826 * an external DP PLL, return ATOM_PPLL_INVALID to skip PLL programming 1827 * as there is no need to program the PLL itself. If we are not able to 1828 * allocate a PLL, return ATOM_PPLL_INVALID to skip PLL programming to 1829 * avoid messing up an existing monitor. 1830 * 1831 * Asic specific PLL information 1832 * 1833 * DCE 8.x 1834 * KB/KV 1835 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) 1836 * CI 1837 * - PPLL0, PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1838 * 1839 * DCE 6.1 1840 * - PPLL2 is only available to UNIPHYA (both DP and non-DP) 1841 * - PPLL0, PPLL1 are available for UNIPHYB/C/D/E/F (both DP and non-DP) 1842 * 1843 * DCE 6.0 1844 * - PPLL0 is available to all UNIPHY (DP only) 1845 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1846 * 1847 * DCE 5.0 1848 * - DCPLL is available to all UNIPHY (DP only) 1849 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1850 * 1851 * DCE 3.0/4.0/4.1 1852 * - PPLL1, PPLL2 are available for all UNIPHY (both DP and non-DP) and DAC 1853 * 1854 */ 1855 static int radeon_atom_pick_pll(struct drm_crtc *crtc) 1856 { 1857 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 1858 struct drm_device *dev = crtc->dev; 1859 struct radeon_device *rdev = dev->dev_private; 1860 struct radeon_encoder *radeon_encoder = 1861 to_radeon_encoder(radeon_crtc->encoder); 1862 u32 pll_in_use; 1863 int pll; 1864 1865 if (ASIC_IS_DCE8(rdev)) { 1866 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1867 if (rdev->clock.dp_extclk) 1868 /* skip PPLL programming if using ext clock */ 1869 return ATOM_PPLL_INVALID; 1870 else { 1871 /* use the same PPLL for all DP monitors */ 1872 pll = radeon_get_shared_dp_ppll(crtc); 1873 if (pll != ATOM_PPLL_INVALID) 1874 return pll; 1875 } 1876 } else { 1877 /* use the same PPLL for all monitors with the same clock */ 1878 pll = radeon_get_shared_nondp_ppll(crtc); 1879 if (pll != ATOM_PPLL_INVALID) 1880 return pll; 1881 } 1882 /* otherwise, pick one of the plls */ 1883 if ((rdev->family == CHIP_KABINI) || 1884 (rdev->family == CHIP_MULLINS)) { 1885 /* KB/ML has PPLL1 and PPLL2 */ 1886 pll_in_use = radeon_get_pll_use_mask(crtc); 1887 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1888 return ATOM_PPLL2; 1889 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1890 return ATOM_PPLL1; 1891 DRM_ERROR("unable to allocate a PPLL\n"); 1892 return ATOM_PPLL_INVALID; 1893 } else { 1894 /* CI/KV has PPLL0, PPLL1, and PPLL2 */ 1895 pll_in_use = radeon_get_pll_use_mask(crtc); 1896 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1897 return ATOM_PPLL2; 1898 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1899 return ATOM_PPLL1; 1900 if (!(pll_in_use & (1 << ATOM_PPLL0))) 1901 return ATOM_PPLL0; 1902 DRM_ERROR("unable to allocate a PPLL\n"); 1903 return ATOM_PPLL_INVALID; 1904 } 1905 } else if (ASIC_IS_DCE61(rdev)) { 1906 struct radeon_encoder_atom_dig *dig = 1907 radeon_encoder->enc_priv; 1908 1909 if ((radeon_encoder->encoder_id == ENCODER_OBJECT_ID_INTERNAL_UNIPHY) && 1910 (dig->linkb == false)) 1911 /* UNIPHY A uses PPLL2 */ 1912 return ATOM_PPLL2; 1913 else if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1914 /* UNIPHY B/C/D/E/F */ 1915 if (rdev->clock.dp_extclk) 1916 /* skip PPLL programming if using ext clock */ 1917 return ATOM_PPLL_INVALID; 1918 else { 1919 /* use the same PPLL for all DP monitors */ 1920 pll = radeon_get_shared_dp_ppll(crtc); 1921 if (pll != ATOM_PPLL_INVALID) 1922 return pll; 1923 } 1924 } else { 1925 /* use the same PPLL for all monitors with the same clock */ 1926 pll = radeon_get_shared_nondp_ppll(crtc); 1927 if (pll != ATOM_PPLL_INVALID) 1928 return pll; 1929 } 1930 /* UNIPHY B/C/D/E/F */ 1931 pll_in_use = radeon_get_pll_use_mask(crtc); 1932 if (!(pll_in_use & (1 << ATOM_PPLL0))) 1933 return ATOM_PPLL0; 1934 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1935 return ATOM_PPLL1; 1936 DRM_ERROR("unable to allocate a PPLL\n"); 1937 return ATOM_PPLL_INVALID; 1938 } else if (ASIC_IS_DCE41(rdev)) { 1939 /* Don't share PLLs on DCE4.1 chips */ 1940 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1941 if (rdev->clock.dp_extclk) 1942 /* skip PPLL programming if using ext clock */ 1943 return ATOM_PPLL_INVALID; 1944 } 1945 pll_in_use = radeon_get_pll_use_mask(crtc); 1946 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1947 return ATOM_PPLL1; 1948 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1949 return ATOM_PPLL2; 1950 DRM_ERROR("unable to allocate a PPLL\n"); 1951 return ATOM_PPLL_INVALID; 1952 } else if (ASIC_IS_DCE4(rdev)) { 1953 /* in DP mode, the DP ref clock can come from PPLL, DCPLL, or ext clock, 1954 * depending on the asic: 1955 * DCE4: PPLL or ext clock 1956 * DCE5: PPLL, DCPLL, or ext clock 1957 * DCE6: PPLL, PPLL0, or ext clock 1958 * 1959 * Setting ATOM_PPLL_INVALID will cause SetPixelClock to skip 1960 * PPLL/DCPLL programming and only program the DP DTO for the 1961 * crtc virtual pixel clock. 1962 */ 1963 if (ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) { 1964 if (rdev->clock.dp_extclk) 1965 /* skip PPLL programming if using ext clock */ 1966 return ATOM_PPLL_INVALID; 1967 else if (ASIC_IS_DCE6(rdev)) 1968 /* use PPLL0 for all DP */ 1969 return ATOM_PPLL0; 1970 else if (ASIC_IS_DCE5(rdev)) 1971 /* use DCPLL for all DP */ 1972 return ATOM_DCPLL; 1973 else { 1974 /* use the same PPLL for all DP monitors */ 1975 pll = radeon_get_shared_dp_ppll(crtc); 1976 if (pll != ATOM_PPLL_INVALID) 1977 return pll; 1978 } 1979 } else { 1980 /* use the same PPLL for all monitors with the same clock */ 1981 pll = radeon_get_shared_nondp_ppll(crtc); 1982 if (pll != ATOM_PPLL_INVALID) 1983 return pll; 1984 } 1985 /* all other cases */ 1986 pll_in_use = radeon_get_pll_use_mask(crtc); 1987 if (!(pll_in_use & (1 << ATOM_PPLL1))) 1988 return ATOM_PPLL1; 1989 if (!(pll_in_use & (1 << ATOM_PPLL2))) 1990 return ATOM_PPLL2; 1991 DRM_ERROR("unable to allocate a PPLL\n"); 1992 return ATOM_PPLL_INVALID; 1993 } else { 1994 /* on pre-R5xx asics, the crtc to pll mapping is hardcoded */ 1995 /* some atombios (observed in some DCE2/DCE3) code have a bug, 1996 * the matching btw pll and crtc is done through 1997 * PCLK_CRTC[1|2]_CNTL (0x480/0x484) but atombios code use the 1998 * pll (1 or 2) to select which register to write. ie if using 1999 * pll1 it will use PCLK_CRTC1_CNTL (0x480) and if using pll2 2000 * it will use PCLK_CRTC2_CNTL (0x484), it then use crtc id to 2001 * choose which value to write. Which is reverse order from 2002 * register logic. So only case that works is when pllid is 2003 * same as crtcid or when both pll and crtc are enabled and 2004 * both use same clock. 2005 * 2006 * So just return crtc id as if crtc and pll were hard linked 2007 * together even if they aren't 2008 */ 2009 return radeon_crtc->crtc_id; 2010 } 2011 } 2012 2013 void radeon_atom_disp_eng_pll_init(struct radeon_device *rdev) 2014 { 2015 /* always set DCPLL */ 2016 if (ASIC_IS_DCE6(rdev)) 2017 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); 2018 else if (ASIC_IS_DCE4(rdev)) { 2019 struct radeon_atom_ss ss; 2020 bool ss_enabled = radeon_atombios_get_asic_ss_info(rdev, &ss, 2021 ASIC_INTERNAL_SS_ON_DCPLL, 2022 rdev->clock.default_dispclk); 2023 if (ss_enabled) 2024 atombios_crtc_program_ss(rdev, ATOM_DISABLE, ATOM_DCPLL, -1, &ss); 2025 /* XXX: DCE5, make sure voltage, dispclk is high enough */ 2026 atombios_crtc_set_disp_eng_pll(rdev, rdev->clock.default_dispclk); 2027 if (ss_enabled) 2028 atombios_crtc_program_ss(rdev, ATOM_ENABLE, ATOM_DCPLL, -1, &ss); 2029 } 2030 2031 } 2032 2033 int atombios_crtc_mode_set(struct drm_crtc *crtc, 2034 struct drm_display_mode *mode, 2035 struct drm_display_mode *adjusted_mode, 2036 int x, int y, struct drm_framebuffer *old_fb) 2037 { 2038 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2039 struct drm_device *dev = crtc->dev; 2040 struct radeon_device *rdev = dev->dev_private; 2041 struct radeon_encoder *radeon_encoder = 2042 to_radeon_encoder(radeon_crtc->encoder); 2043 bool is_tvcv = false; 2044 2045 if (radeon_encoder->active_device & 2046 (ATOM_DEVICE_TV_SUPPORT | ATOM_DEVICE_CV_SUPPORT)) 2047 is_tvcv = true; 2048 2049 if (!radeon_crtc->adjusted_clock) 2050 return -EINVAL; 2051 2052 atombios_crtc_set_pll(crtc, adjusted_mode); 2053 2054 if (ASIC_IS_DCE4(rdev)) 2055 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2056 else if (ASIC_IS_AVIVO(rdev)) { 2057 if (is_tvcv) 2058 atombios_crtc_set_timing(crtc, adjusted_mode); 2059 else 2060 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2061 } else { 2062 atombios_crtc_set_timing(crtc, adjusted_mode); 2063 if (radeon_crtc->crtc_id == 0) 2064 atombios_set_crtc_dtd_timing(crtc, adjusted_mode); 2065 radeon_legacy_atom_fixup(crtc); 2066 } 2067 atombios_crtc_set_base(crtc, x, y, old_fb); 2068 atombios_overscan_setup(crtc, mode, adjusted_mode); 2069 atombios_scaler_setup(crtc); 2070 radeon_cursor_reset(crtc); 2071 /* update the hw version fpr dpm */ 2072 radeon_crtc->hw_mode = *adjusted_mode; 2073 2074 return 0; 2075 } 2076 2077 static bool atombios_crtc_mode_fixup(struct drm_crtc *crtc, 2078 const struct drm_display_mode *mode, 2079 struct drm_display_mode *adjusted_mode) 2080 { 2081 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2082 struct drm_device *dev = crtc->dev; 2083 struct drm_encoder *encoder; 2084 2085 /* assign the encoder to the radeon crtc to avoid repeated lookups later */ 2086 list_for_each_entry(encoder, &dev->mode_config.encoder_list, head) { 2087 if (encoder->crtc == crtc) { 2088 radeon_crtc->encoder = encoder; 2089 radeon_crtc->connector = radeon_get_connector_for_encoder(encoder); 2090 break; 2091 } 2092 } 2093 if ((radeon_crtc->encoder == NULL) || (radeon_crtc->connector == NULL)) { 2094 radeon_crtc->encoder = NULL; 2095 radeon_crtc->connector = NULL; 2096 return false; 2097 } 2098 if (radeon_crtc->encoder) { 2099 struct radeon_encoder *radeon_encoder = 2100 to_radeon_encoder(radeon_crtc->encoder); 2101 2102 radeon_crtc->output_csc = radeon_encoder->output_csc; 2103 } 2104 if (!radeon_crtc_scaling_mode_fixup(crtc, mode, adjusted_mode)) 2105 return false; 2106 if (!atombios_crtc_prepare_pll(crtc, adjusted_mode)) 2107 return false; 2108 /* pick pll */ 2109 radeon_crtc->pll_id = radeon_atom_pick_pll(crtc); 2110 /* if we can't get a PPLL for a non-DP encoder, fail */ 2111 if ((radeon_crtc->pll_id == ATOM_PPLL_INVALID) && 2112 !ENCODER_MODE_IS_DP(atombios_get_encoder_mode(radeon_crtc->encoder))) 2113 return false; 2114 2115 return true; 2116 } 2117 2118 static void atombios_crtc_prepare(struct drm_crtc *crtc) 2119 { 2120 struct drm_device *dev = crtc->dev; 2121 struct radeon_device *rdev = dev->dev_private; 2122 2123 /* disable crtc pair power gating before programming */ 2124 if (ASIC_IS_DCE6(rdev)) 2125 atombios_powergate_crtc(crtc, ATOM_DISABLE); 2126 2127 atombios_lock_crtc(crtc, ATOM_ENABLE); 2128 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2129 } 2130 2131 static void atombios_crtc_commit(struct drm_crtc *crtc) 2132 { 2133 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_ON); 2134 atombios_lock_crtc(crtc, ATOM_DISABLE); 2135 } 2136 2137 static void atombios_crtc_disable(struct drm_crtc *crtc) 2138 { 2139 struct radeon_crtc *radeon_crtc = to_radeon_crtc(crtc); 2140 struct drm_device *dev = crtc->dev; 2141 struct radeon_device *rdev = dev->dev_private; 2142 struct radeon_atom_ss ss; 2143 int i; 2144 2145 atombios_crtc_dpms(crtc, DRM_MODE_DPMS_OFF); 2146 if (crtc->primary->fb) { 2147 int r; 2148 struct radeon_framebuffer *radeon_fb; 2149 struct radeon_bo *rbo; 2150 2151 radeon_fb = to_radeon_framebuffer(crtc->primary->fb); 2152 rbo = gem_to_radeon_bo(radeon_fb->obj); 2153 r = radeon_bo_reserve(rbo, false); 2154 if (unlikely(r)) 2155 DRM_ERROR("failed to reserve rbo before unpin\n"); 2156 else { 2157 radeon_bo_unpin(rbo); 2158 radeon_bo_unreserve(rbo); 2159 } 2160 } 2161 /* disable the GRPH */ 2162 if (ASIC_IS_DCE4(rdev)) 2163 WREG32(EVERGREEN_GRPH_ENABLE + radeon_crtc->crtc_offset, 0); 2164 else if (ASIC_IS_AVIVO(rdev)) 2165 WREG32(AVIVO_D1GRPH_ENABLE + radeon_crtc->crtc_offset, 0); 2166 2167 if (ASIC_IS_DCE6(rdev)) 2168 atombios_powergate_crtc(crtc, ATOM_ENABLE); 2169 2170 for (i = 0; i < rdev->num_crtc; i++) { 2171 if (rdev->mode_info.crtcs[i] && 2172 rdev->mode_info.crtcs[i]->enabled && 2173 i != radeon_crtc->crtc_id && 2174 radeon_crtc->pll_id == rdev->mode_info.crtcs[i]->pll_id) { 2175 /* one other crtc is using this pll don't turn 2176 * off the pll 2177 */ 2178 goto done; 2179 } 2180 } 2181 2182 switch (radeon_crtc->pll_id) { 2183 case ATOM_PPLL1: 2184 case ATOM_PPLL2: 2185 /* disable the ppll */ 2186 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 2187 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2188 break; 2189 case ATOM_PPLL0: 2190 /* disable the ppll */ 2191 if ((rdev->family == CHIP_ARUBA) || 2192 (rdev->family == CHIP_KAVERI) || 2193 (rdev->family == CHIP_BONAIRE) || 2194 (rdev->family == CHIP_HAWAII)) 2195 atombios_crtc_program_pll(crtc, radeon_crtc->crtc_id, radeon_crtc->pll_id, 2196 0, 0, ATOM_DISABLE, 0, 0, 0, 0, 0, false, &ss); 2197 break; 2198 default: 2199 break; 2200 } 2201 done: 2202 radeon_crtc->pll_id = ATOM_PPLL_INVALID; 2203 radeon_crtc->adjusted_clock = 0; 2204 radeon_crtc->encoder = NULL; 2205 radeon_crtc->connector = NULL; 2206 } 2207 2208 static const struct drm_crtc_helper_funcs atombios_helper_funcs = { 2209 .dpms = atombios_crtc_dpms, 2210 .mode_fixup = atombios_crtc_mode_fixup, 2211 .mode_set = atombios_crtc_mode_set, 2212 .mode_set_base = atombios_crtc_set_base, 2213 .mode_set_base_atomic = atombios_crtc_set_base_atomic, 2214 .prepare = atombios_crtc_prepare, 2215 .commit = atombios_crtc_commit, 2216 .load_lut = radeon_crtc_load_lut, 2217 .disable = atombios_crtc_disable, 2218 }; 2219 2220 void radeon_atombios_init_crtc(struct drm_device *dev, 2221 struct radeon_crtc *radeon_crtc) 2222 { 2223 struct radeon_device *rdev = dev->dev_private; 2224 2225 if (ASIC_IS_DCE4(rdev)) { 2226 switch (radeon_crtc->crtc_id) { 2227 case 0: 2228 default: 2229 radeon_crtc->crtc_offset = EVERGREEN_CRTC0_REGISTER_OFFSET; 2230 break; 2231 case 1: 2232 radeon_crtc->crtc_offset = EVERGREEN_CRTC1_REGISTER_OFFSET; 2233 break; 2234 case 2: 2235 radeon_crtc->crtc_offset = EVERGREEN_CRTC2_REGISTER_OFFSET; 2236 break; 2237 case 3: 2238 radeon_crtc->crtc_offset = EVERGREEN_CRTC3_REGISTER_OFFSET; 2239 break; 2240 case 4: 2241 radeon_crtc->crtc_offset = EVERGREEN_CRTC4_REGISTER_OFFSET; 2242 break; 2243 case 5: 2244 radeon_crtc->crtc_offset = EVERGREEN_CRTC5_REGISTER_OFFSET; 2245 break; 2246 } 2247 } else { 2248 if (radeon_crtc->crtc_id == 1) 2249 radeon_crtc->crtc_offset = 2250 AVIVO_D2CRTC_H_TOTAL - AVIVO_D1CRTC_H_TOTAL; 2251 else 2252 radeon_crtc->crtc_offset = 0; 2253 } 2254 radeon_crtc->pll_id = ATOM_PPLL_INVALID; 2255 radeon_crtc->adjusted_clock = 0; 2256 radeon_crtc->encoder = NULL; 2257 radeon_crtc->connector = NULL; 2258 drm_crtc_helper_add(&radeon_crtc->base, &atombios_helper_funcs); 2259 } 2260