1 /* 2 * Copyright © 2016 Intel Corporation 3 * 4 * Permission is hereby granted, free of charge, to any person obtaining a 5 * copy of this software and associated documentation files (the "Software"), 6 * to deal in the Software without restriction, including without limitation 7 * the rights to use, copy, modify, merge, publish, distribute, sublicense, 8 * and/or sell copies of the Software, and to permit persons to whom the 9 * Software is furnished to do so, subject to the following conditions: 10 * 11 * The above copyright notice and this permission notice (including the next 12 * paragraph) shall be included in all copies or substantial portions of the 13 * 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 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS 21 * IN THE SOFTWARE. 22 * 23 */ 24 25 #include <linux/string_helpers.h> 26 27 #include <drm/drm_print.h> 28 #include <drm/i915_pciids.h> 29 30 #include "display/intel_cdclk.h" 31 #include "display/intel_de.h" 32 #include "gt/intel_gt_regs.h" 33 #include "i915_drv.h" 34 #include "i915_reg.h" 35 #include "i915_utils.h" 36 #include "intel_device_info.h" 37 38 #define PLATFORM_NAME(x) [INTEL_##x] = #x 39 static const char * const platform_names[] = { 40 PLATFORM_NAME(I830), 41 PLATFORM_NAME(I845G), 42 PLATFORM_NAME(I85X), 43 PLATFORM_NAME(I865G), 44 PLATFORM_NAME(I915G), 45 PLATFORM_NAME(I915GM), 46 PLATFORM_NAME(I945G), 47 PLATFORM_NAME(I945GM), 48 PLATFORM_NAME(G33), 49 PLATFORM_NAME(PINEVIEW), 50 PLATFORM_NAME(I965G), 51 PLATFORM_NAME(I965GM), 52 PLATFORM_NAME(G45), 53 PLATFORM_NAME(GM45), 54 PLATFORM_NAME(IRONLAKE), 55 PLATFORM_NAME(SANDYBRIDGE), 56 PLATFORM_NAME(IVYBRIDGE), 57 PLATFORM_NAME(VALLEYVIEW), 58 PLATFORM_NAME(HASWELL), 59 PLATFORM_NAME(BROADWELL), 60 PLATFORM_NAME(CHERRYVIEW), 61 PLATFORM_NAME(SKYLAKE), 62 PLATFORM_NAME(BROXTON), 63 PLATFORM_NAME(KABYLAKE), 64 PLATFORM_NAME(GEMINILAKE), 65 PLATFORM_NAME(COFFEELAKE), 66 PLATFORM_NAME(COMETLAKE), 67 PLATFORM_NAME(ICELAKE), 68 PLATFORM_NAME(ELKHARTLAKE), 69 PLATFORM_NAME(JASPERLAKE), 70 PLATFORM_NAME(TIGERLAKE), 71 PLATFORM_NAME(ROCKETLAKE), 72 PLATFORM_NAME(DG1), 73 PLATFORM_NAME(ALDERLAKE_S), 74 PLATFORM_NAME(ALDERLAKE_P), 75 PLATFORM_NAME(XEHPSDV), 76 PLATFORM_NAME(DG2), 77 PLATFORM_NAME(PONTEVECCHIO), 78 PLATFORM_NAME(METEORLAKE), 79 }; 80 #undef PLATFORM_NAME 81 82 const char *intel_platform_name(enum intel_platform platform) 83 { 84 BUILD_BUG_ON(ARRAY_SIZE(platform_names) != INTEL_MAX_PLATFORMS); 85 86 if (WARN_ON_ONCE(platform >= ARRAY_SIZE(platform_names) || 87 platform_names[platform] == NULL)) 88 return "<unknown>"; 89 90 return platform_names[platform]; 91 } 92 93 void intel_device_info_print(const struct intel_device_info *info, 94 const struct intel_runtime_info *runtime, 95 struct drm_printer *p) 96 { 97 if (runtime->graphics.ip.rel) 98 drm_printf(p, "graphics version: %u.%02u\n", 99 runtime->graphics.ip.ver, 100 runtime->graphics.ip.rel); 101 else 102 drm_printf(p, "graphics version: %u\n", 103 runtime->graphics.ip.ver); 104 105 if (runtime->media.ip.rel) 106 drm_printf(p, "media version: %u.%02u\n", 107 runtime->media.ip.ver, 108 runtime->media.ip.rel); 109 else 110 drm_printf(p, "media version: %u\n", 111 runtime->media.ip.ver); 112 113 if (runtime->display.ip.rel) 114 drm_printf(p, "display version: %u.%02u\n", 115 runtime->display.ip.ver, 116 runtime->display.ip.rel); 117 else 118 drm_printf(p, "display version: %u\n", 119 runtime->display.ip.ver); 120 121 drm_printf(p, "gt: %d\n", info->gt); 122 drm_printf(p, "memory-regions: %x\n", runtime->memory_regions); 123 drm_printf(p, "page-sizes: %x\n", runtime->page_sizes); 124 drm_printf(p, "platform: %s\n", intel_platform_name(info->platform)); 125 drm_printf(p, "ppgtt-size: %d\n", runtime->ppgtt_size); 126 drm_printf(p, "ppgtt-type: %d\n", runtime->ppgtt_type); 127 drm_printf(p, "dma_mask_size: %u\n", info->dma_mask_size); 128 129 #define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->name)) 130 DEV_INFO_FOR_EACH_FLAG(PRINT_FLAG); 131 #undef PRINT_FLAG 132 133 drm_printf(p, "has_pooled_eu: %s\n", str_yes_no(runtime->has_pooled_eu)); 134 135 #define PRINT_FLAG(name) drm_printf(p, "%s: %s\n", #name, str_yes_no(info->display.name)) 136 DEV_INFO_DISPLAY_FOR_EACH_FLAG(PRINT_FLAG); 137 #undef PRINT_FLAG 138 139 drm_printf(p, "has_hdcp: %s\n", str_yes_no(runtime->has_hdcp)); 140 drm_printf(p, "has_dmc: %s\n", str_yes_no(runtime->has_dmc)); 141 drm_printf(p, "has_dsc: %s\n", str_yes_no(runtime->has_dsc)); 142 143 drm_printf(p, "rawclk rate: %u kHz\n", runtime->rawclk_freq); 144 } 145 146 #undef INTEL_VGA_DEVICE 147 #define INTEL_VGA_DEVICE(id, info) (id) 148 149 static const u16 subplatform_ult_ids[] = { 150 INTEL_HSW_ULT_GT1_IDS(0), 151 INTEL_HSW_ULT_GT2_IDS(0), 152 INTEL_HSW_ULT_GT3_IDS(0), 153 INTEL_BDW_ULT_GT1_IDS(0), 154 INTEL_BDW_ULT_GT2_IDS(0), 155 INTEL_BDW_ULT_GT3_IDS(0), 156 INTEL_BDW_ULT_RSVD_IDS(0), 157 INTEL_SKL_ULT_GT1_IDS(0), 158 INTEL_SKL_ULT_GT2_IDS(0), 159 INTEL_SKL_ULT_GT3_IDS(0), 160 INTEL_KBL_ULT_GT1_IDS(0), 161 INTEL_KBL_ULT_GT2_IDS(0), 162 INTEL_KBL_ULT_GT3_IDS(0), 163 INTEL_CFL_U_GT2_IDS(0), 164 INTEL_CFL_U_GT3_IDS(0), 165 INTEL_WHL_U_GT1_IDS(0), 166 INTEL_WHL_U_GT2_IDS(0), 167 INTEL_WHL_U_GT3_IDS(0), 168 INTEL_CML_U_GT1_IDS(0), 169 INTEL_CML_U_GT2_IDS(0), 170 }; 171 172 static const u16 subplatform_ulx_ids[] = { 173 INTEL_HSW_ULX_GT1_IDS(0), 174 INTEL_HSW_ULX_GT2_IDS(0), 175 INTEL_BDW_ULX_GT1_IDS(0), 176 INTEL_BDW_ULX_GT2_IDS(0), 177 INTEL_BDW_ULX_GT3_IDS(0), 178 INTEL_BDW_ULX_RSVD_IDS(0), 179 INTEL_SKL_ULX_GT1_IDS(0), 180 INTEL_SKL_ULX_GT2_IDS(0), 181 INTEL_KBL_ULX_GT1_IDS(0), 182 INTEL_KBL_ULX_GT2_IDS(0), 183 INTEL_AML_KBL_GT2_IDS(0), 184 INTEL_AML_CFL_GT2_IDS(0), 185 }; 186 187 static const u16 subplatform_portf_ids[] = { 188 INTEL_ICL_PORT_F_IDS(0), 189 }; 190 191 static const u16 subplatform_uy_ids[] = { 192 INTEL_TGL_12_GT2_IDS(0), 193 }; 194 195 static const u16 subplatform_n_ids[] = { 196 INTEL_ADLN_IDS(0), 197 }; 198 199 static const u16 subplatform_rpl_ids[] = { 200 INTEL_RPLS_IDS(0), 201 INTEL_RPLP_IDS(0), 202 }; 203 204 static const u16 subplatform_g10_ids[] = { 205 INTEL_DG2_G10_IDS(0), 206 INTEL_ATS_M150_IDS(0), 207 }; 208 209 static const u16 subplatform_g11_ids[] = { 210 INTEL_DG2_G11_IDS(0), 211 INTEL_ATS_M75_IDS(0), 212 }; 213 214 static const u16 subplatform_g12_ids[] = { 215 INTEL_DG2_G12_IDS(0), 216 }; 217 218 static const u16 subplatform_m_ids[] = { 219 INTEL_MTL_M_IDS(0), 220 }; 221 222 static const u16 subplatform_p_ids[] = { 223 INTEL_MTL_P_IDS(0), 224 }; 225 226 static bool find_devid(u16 id, const u16 *p, unsigned int num) 227 { 228 for (; num; num--, p++) { 229 if (*p == id) 230 return true; 231 } 232 233 return false; 234 } 235 236 static void intel_device_info_subplatform_init(struct drm_i915_private *i915) 237 { 238 const struct intel_device_info *info = INTEL_INFO(i915); 239 const struct intel_runtime_info *rinfo = RUNTIME_INFO(i915); 240 const unsigned int pi = __platform_mask_index(rinfo, info->platform); 241 const unsigned int pb = __platform_mask_bit(rinfo, info->platform); 242 u16 devid = INTEL_DEVID(i915); 243 u32 mask = 0; 244 245 /* Make sure IS_<platform> checks are working. */ 246 RUNTIME_INFO(i915)->platform_mask[pi] = BIT(pb); 247 248 /* Find and mark subplatform bits based on the PCI device id. */ 249 if (find_devid(devid, subplatform_ult_ids, 250 ARRAY_SIZE(subplatform_ult_ids))) { 251 mask = BIT(INTEL_SUBPLATFORM_ULT); 252 } else if (find_devid(devid, subplatform_ulx_ids, 253 ARRAY_SIZE(subplatform_ulx_ids))) { 254 mask = BIT(INTEL_SUBPLATFORM_ULX); 255 if (IS_HASWELL(i915) || IS_BROADWELL(i915)) { 256 /* ULX machines are also considered ULT. */ 257 mask |= BIT(INTEL_SUBPLATFORM_ULT); 258 } 259 } else if (find_devid(devid, subplatform_portf_ids, 260 ARRAY_SIZE(subplatform_portf_ids))) { 261 mask = BIT(INTEL_SUBPLATFORM_PORTF); 262 } else if (find_devid(devid, subplatform_uy_ids, 263 ARRAY_SIZE(subplatform_uy_ids))) { 264 mask = BIT(INTEL_SUBPLATFORM_UY); 265 } else if (find_devid(devid, subplatform_n_ids, 266 ARRAY_SIZE(subplatform_n_ids))) { 267 mask = BIT(INTEL_SUBPLATFORM_N); 268 } else if (find_devid(devid, subplatform_rpl_ids, 269 ARRAY_SIZE(subplatform_rpl_ids))) { 270 mask = BIT(INTEL_SUBPLATFORM_RPL); 271 } else if (find_devid(devid, subplatform_g10_ids, 272 ARRAY_SIZE(subplatform_g10_ids))) { 273 mask = BIT(INTEL_SUBPLATFORM_G10); 274 } else if (find_devid(devid, subplatform_g11_ids, 275 ARRAY_SIZE(subplatform_g11_ids))) { 276 mask = BIT(INTEL_SUBPLATFORM_G11); 277 } else if (find_devid(devid, subplatform_g12_ids, 278 ARRAY_SIZE(subplatform_g12_ids))) { 279 mask = BIT(INTEL_SUBPLATFORM_G12); 280 } else if (find_devid(devid, subplatform_m_ids, 281 ARRAY_SIZE(subplatform_m_ids))) { 282 mask = BIT(INTEL_SUBPLATFORM_M); 283 } else if (find_devid(devid, subplatform_p_ids, 284 ARRAY_SIZE(subplatform_p_ids))) { 285 mask = BIT(INTEL_SUBPLATFORM_P); 286 } 287 288 GEM_BUG_ON(mask & ~INTEL_SUBPLATFORM_MASK); 289 290 RUNTIME_INFO(i915)->platform_mask[pi] |= mask; 291 } 292 293 static void ip_ver_read(struct drm_i915_private *i915, u32 offset, struct intel_ip_version *ip) 294 { 295 struct pci_dev *pdev = to_pci_dev(i915->drm.dev); 296 void __iomem *addr; 297 u32 val; 298 u8 expected_ver = ip->ver; 299 u8 expected_rel = ip->rel; 300 301 addr = pci_iomap_range(pdev, 0, offset, sizeof(u32)); 302 if (drm_WARN_ON(&i915->drm, !addr)) 303 return; 304 305 val = ioread32(addr); 306 pci_iounmap(pdev, addr); 307 308 ip->ver = REG_FIELD_GET(GMD_ID_ARCH_MASK, val); 309 ip->rel = REG_FIELD_GET(GMD_ID_RELEASE_MASK, val); 310 ip->step = REG_FIELD_GET(GMD_ID_STEP, val); 311 312 /* Sanity check against expected versions from device info */ 313 if (IP_VER(ip->ver, ip->rel) < IP_VER(expected_ver, expected_rel)) 314 drm_dbg(&i915->drm, 315 "Hardware reports GMD IP version %u.%u (REG[0x%x] = 0x%08x) but minimum expected is %u.%u\n", 316 ip->ver, ip->rel, offset, val, expected_ver, expected_rel); 317 } 318 319 /* 320 * Setup the graphics version for the current device. This must be done before 321 * any code that performs checks on GRAPHICS_VER or DISPLAY_VER, so this 322 * function should be called very early in the driver initialization sequence. 323 * 324 * Regular MMIO access is not yet setup at the point this function is called so 325 * we peek at the appropriate MMIO offset directly. The GMD_ID register is 326 * part of an 'always on' power well by design, so we don't need to worry about 327 * forcewake while reading it. 328 */ 329 static void intel_ipver_early_init(struct drm_i915_private *i915) 330 { 331 struct intel_runtime_info *runtime = RUNTIME_INFO(i915); 332 333 if (!HAS_GMD_ID(i915)) { 334 drm_WARN_ON(&i915->drm, RUNTIME_INFO(i915)->graphics.ip.ver > 12); 335 /* 336 * On older platforms, graphics and media share the same ip 337 * version and release. 338 */ 339 RUNTIME_INFO(i915)->media.ip = 340 RUNTIME_INFO(i915)->graphics.ip; 341 return; 342 } 343 344 ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_GRAPHICS), 345 &runtime->graphics.ip); 346 ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_DISPLAY), 347 &runtime->display.ip); 348 ip_ver_read(i915, i915_mmio_reg_offset(GMD_ID_MEDIA), 349 &runtime->media.ip); 350 } 351 352 /** 353 * intel_device_info_runtime_init_early - initialize early runtime info 354 * @i915: the i915 device 355 * 356 * Determine early intel_device_info fields at runtime. This function needs 357 * to be called before the MMIO has been setup. 358 */ 359 void intel_device_info_runtime_init_early(struct drm_i915_private *i915) 360 { 361 intel_ipver_early_init(i915); 362 intel_device_info_subplatform_init(i915); 363 } 364 365 /** 366 * intel_device_info_runtime_init - initialize runtime info 367 * @dev_priv: the i915 device 368 * 369 * Determine various intel_device_info fields at runtime. 370 * 371 * Use it when either: 372 * - it's judged too laborious to fill n static structures with the limit 373 * when a simple if statement does the job, 374 * - run-time checks (eg read fuse/strap registers) are needed. 375 * 376 * This function needs to be called: 377 * - after the MMIO has been setup as we are reading registers, 378 * - after the PCH has been detected, 379 * - before the first usage of the fields it can tweak. 380 */ 381 void intel_device_info_runtime_init(struct drm_i915_private *dev_priv) 382 { 383 struct intel_device_info *info = mkwrite_device_info(dev_priv); 384 struct intel_runtime_info *runtime = RUNTIME_INFO(dev_priv); 385 enum pipe pipe; 386 387 /* Wa_14011765242: adl-s A0,A1 */ 388 if (IS_ADLS_DISPLAY_STEP(dev_priv, STEP_A0, STEP_A2)) 389 for_each_pipe(dev_priv, pipe) 390 runtime->num_scalers[pipe] = 0; 391 else if (DISPLAY_VER(dev_priv) >= 11) { 392 for_each_pipe(dev_priv, pipe) 393 runtime->num_scalers[pipe] = 2; 394 } else if (DISPLAY_VER(dev_priv) >= 9) { 395 runtime->num_scalers[PIPE_A] = 2; 396 runtime->num_scalers[PIPE_B] = 2; 397 runtime->num_scalers[PIPE_C] = 1; 398 } 399 400 BUILD_BUG_ON(BITS_PER_TYPE(intel_engine_mask_t) < I915_NUM_ENGINES); 401 402 if (DISPLAY_VER(dev_priv) >= 13 || HAS_D12_PLANE_MINIMIZATION(dev_priv)) 403 for_each_pipe(dev_priv, pipe) 404 runtime->num_sprites[pipe] = 4; 405 else if (DISPLAY_VER(dev_priv) >= 11) 406 for_each_pipe(dev_priv, pipe) 407 runtime->num_sprites[pipe] = 6; 408 else if (DISPLAY_VER(dev_priv) == 10) 409 for_each_pipe(dev_priv, pipe) 410 runtime->num_sprites[pipe] = 3; 411 else if (IS_BROXTON(dev_priv)) { 412 /* 413 * Skylake and Broxton currently don't expose the topmost plane as its 414 * use is exclusive with the legacy cursor and we only want to expose 415 * one of those, not both. Until we can safely expose the topmost plane 416 * as a DRM_PLANE_TYPE_CURSOR with all the features exposed/supported, 417 * we don't expose the topmost plane at all to prevent ABI breakage 418 * down the line. 419 */ 420 421 runtime->num_sprites[PIPE_A] = 2; 422 runtime->num_sprites[PIPE_B] = 2; 423 runtime->num_sprites[PIPE_C] = 1; 424 } else if (IS_VALLEYVIEW(dev_priv) || IS_CHERRYVIEW(dev_priv)) { 425 for_each_pipe(dev_priv, pipe) 426 runtime->num_sprites[pipe] = 2; 427 } else if (DISPLAY_VER(dev_priv) >= 5 || IS_G4X(dev_priv)) { 428 for_each_pipe(dev_priv, pipe) 429 runtime->num_sprites[pipe] = 1; 430 } 431 432 if (HAS_DISPLAY(dev_priv) && IS_GRAPHICS_VER(dev_priv, 7, 8) && 433 HAS_PCH_SPLIT(dev_priv)) { 434 u32 fuse_strap = intel_de_read(dev_priv, FUSE_STRAP); 435 u32 sfuse_strap = intel_de_read(dev_priv, SFUSE_STRAP); 436 437 /* 438 * SFUSE_STRAP is supposed to have a bit signalling the display 439 * is fused off. Unfortunately it seems that, at least in 440 * certain cases, fused off display means that PCH display 441 * reads don't land anywhere. In that case, we read 0s. 442 * 443 * On CPT/PPT, we can detect this case as SFUSE_STRAP_FUSE_LOCK 444 * should be set when taking over after the firmware. 445 */ 446 if (fuse_strap & ILK_INTERNAL_DISPLAY_DISABLE || 447 sfuse_strap & SFUSE_STRAP_DISPLAY_DISABLED || 448 (HAS_PCH_CPT(dev_priv) && 449 !(sfuse_strap & SFUSE_STRAP_FUSE_LOCK))) { 450 drm_info(&dev_priv->drm, 451 "Display fused off, disabling\n"); 452 runtime->pipe_mask = 0; 453 runtime->cpu_transcoder_mask = 0; 454 runtime->fbc_mask = 0; 455 } else if (fuse_strap & IVB_PIPE_C_DISABLE) { 456 drm_info(&dev_priv->drm, "PipeC fused off\n"); 457 runtime->pipe_mask &= ~BIT(PIPE_C); 458 runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C); 459 } 460 } else if (HAS_DISPLAY(dev_priv) && DISPLAY_VER(dev_priv) >= 9) { 461 u32 dfsm = intel_de_read(dev_priv, SKL_DFSM); 462 463 if (dfsm & SKL_DFSM_PIPE_A_DISABLE) { 464 runtime->pipe_mask &= ~BIT(PIPE_A); 465 runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_A); 466 runtime->fbc_mask &= ~BIT(INTEL_FBC_A); 467 } 468 if (dfsm & SKL_DFSM_PIPE_B_DISABLE) { 469 runtime->pipe_mask &= ~BIT(PIPE_B); 470 runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_B); 471 } 472 if (dfsm & SKL_DFSM_PIPE_C_DISABLE) { 473 runtime->pipe_mask &= ~BIT(PIPE_C); 474 runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_C); 475 } 476 477 if (DISPLAY_VER(dev_priv) >= 12 && 478 (dfsm & TGL_DFSM_PIPE_D_DISABLE)) { 479 runtime->pipe_mask &= ~BIT(PIPE_D); 480 runtime->cpu_transcoder_mask &= ~BIT(TRANSCODER_D); 481 } 482 483 if (dfsm & SKL_DFSM_DISPLAY_HDCP_DISABLE) 484 runtime->has_hdcp = 0; 485 486 if (dfsm & SKL_DFSM_DISPLAY_PM_DISABLE) 487 runtime->fbc_mask = 0; 488 489 if (DISPLAY_VER(dev_priv) >= 11 && (dfsm & ICL_DFSM_DMC_DISABLE)) 490 runtime->has_dmc = 0; 491 492 if (IS_DISPLAY_VER(dev_priv, 10, 12) && 493 (dfsm & GLK_DFSM_DISPLAY_DSC_DISABLE)) 494 runtime->has_dsc = 0; 495 } 496 497 if (GRAPHICS_VER(dev_priv) == 6 && i915_vtd_active(dev_priv)) { 498 drm_info(&dev_priv->drm, 499 "Disabling ppGTT for VT-d support\n"); 500 runtime->ppgtt_type = INTEL_PPGTT_NONE; 501 } 502 503 runtime->rawclk_freq = intel_read_rawclk(dev_priv); 504 drm_dbg(&dev_priv->drm, "rawclk rate: %d kHz\n", runtime->rawclk_freq); 505 506 if (!HAS_DISPLAY(dev_priv)) { 507 dev_priv->drm.driver_features &= ~(DRIVER_MODESET | 508 DRIVER_ATOMIC); 509 memset(&info->display, 0, sizeof(info->display)); 510 511 runtime->cpu_transcoder_mask = 0; 512 memset(runtime->num_sprites, 0, sizeof(runtime->num_sprites)); 513 memset(runtime->num_scalers, 0, sizeof(runtime->num_scalers)); 514 runtime->fbc_mask = 0; 515 runtime->has_hdcp = false; 516 runtime->has_dmc = false; 517 runtime->has_dsc = false; 518 } 519 520 /* Disable nuclear pageflip by default on pre-g4x */ 521 if (!dev_priv->params.nuclear_pageflip && 522 DISPLAY_VER(dev_priv) < 5 && !IS_G4X(dev_priv)) 523 dev_priv->drm.driver_features &= ~DRIVER_ATOMIC; 524 } 525 526 void intel_driver_caps_print(const struct intel_driver_caps *caps, 527 struct drm_printer *p) 528 { 529 drm_printf(p, "Has logical contexts? %s\n", 530 str_yes_no(caps->has_logical_contexts)); 531 drm_printf(p, "scheduler: %x\n", caps->scheduler); 532 } 533