drivers/gpu/drm/i915/i915_pci.c

   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/console.h>
  26 #include <linux/vgaarb.h>
  27 #include <linux/vga_switcheroo.h>
  28
  29 #include <drm/drm_drv.h>
  30
  31 #include "display/intel_fbdev.h"
  32
  33 #include "i915_drv.h"
  34 #include "i915_globals.h"
  35 #include "i915_selftest.h"
  36
  37 #define PLATFORM(x) .platform = (x)
  38 #define GEN(x) .gen = (x), .gen_mask = BIT((x) - 1)
  39
  40 #define I845_PIPE_OFFSETS \
  41         .pipe_offsets = { \
  42                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  43         }, \
  44         .trans_offsets = { \
  45                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  46         }
  47
  48 #define I9XX_PIPE_OFFSETS \
  49         .pipe_offsets = { \
  50                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  51                 [TRANSCODER_B] = PIPE_B_OFFSET, \
  52         }, \
  53         .trans_offsets = { \
  54                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  55                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
  56         }
  57
  58 #define IVB_PIPE_OFFSETS \
  59         .pipe_offsets = { \
  60                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  61                 [TRANSCODER_B] = PIPE_B_OFFSET, \
  62                 [TRANSCODER_C] = PIPE_C_OFFSET, \
  63         }, \
  64         .trans_offsets = { \
  65                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  66                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
  67                 [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
  68         }
  69
  70 #define HSW_PIPE_OFFSETS \
  71         .pipe_offsets = { \
  72                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  73                 [TRANSCODER_B] = PIPE_B_OFFSET, \
  74                 [TRANSCODER_C] = PIPE_C_OFFSET, \
  75                 [TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
  76         }, \
  77         .trans_offsets = { \
  78                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  79                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
  80                 [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
  81                 [TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
  82         }
  83
  84 #define CHV_PIPE_OFFSETS \
  85         .pipe_offsets = { \
  86                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  87                 [TRANSCODER_B] = PIPE_B_OFFSET, \
  88                 [TRANSCODER_C] = CHV_PIPE_C_OFFSET, \
  89         }, \
  90         .trans_offsets = { \
  91                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  92                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
  93                 [TRANSCODER_C] = CHV_TRANSCODER_C_OFFSET, \
  94         }
  95
  96 #define I845_CURSOR_OFFSETS \
  97         .cursor_offsets = { \
  98                 [PIPE_A] = CURSOR_A_OFFSET, \
  99         }
 100
 101 #define I9XX_CURSOR_OFFSETS \
 102         .cursor_offsets = { \
 103                 [PIPE_A] = CURSOR_A_OFFSET, \
 104                 [PIPE_B] = CURSOR_B_OFFSET, \
 105         }
 106
 107 #define CHV_CURSOR_OFFSETS \
 108         .cursor_offsets = { \
 109                 [PIPE_A] = CURSOR_A_OFFSET, \
 110                 [PIPE_B] = CURSOR_B_OFFSET, \
 111                 [PIPE_C] = CHV_CURSOR_C_OFFSET, \
 112         }
 113
 114 #define IVB_CURSOR_OFFSETS \
 115         .cursor_offsets = { \
 116                 [PIPE_A] = CURSOR_A_OFFSET, \
 117                 [PIPE_B] = IVB_CURSOR_B_OFFSET, \
 118                 [PIPE_C] = IVB_CURSOR_C_OFFSET, \
 119         }
 120
 121 #define I9XX_COLORS \
 122         .color = { .gamma_lut_size = 256 }
 123 #define I965_COLORS \
 124         .color = { .gamma_lut_size = 129, \
 125                    .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
 126         }
 127 #define ILK_COLORS \
 128         .color = { .gamma_lut_size = 1024 }
 129 #define IVB_COLORS \
 130         .color = { .degamma_lut_size = 1024, .gamma_lut_size = 1024 }
 131 #define CHV_COLORS \
 132         .color = { .degamma_lut_size = 65, .gamma_lut_size = 257, \
 133                    .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
 134                    .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
 135         }
 136 #define GLK_COLORS \
 137         .color = { .degamma_lut_size = 33, .gamma_lut_size = 1024, \
 138                    .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
 139                                         DRM_COLOR_LUT_EQUAL_CHANNELS, \
 140         }
 141
 142 /* Keep in gen based order, and chronological order within a gen */
 143
 144 #define GEN_DEFAULT_PAGE_SIZES \
 145         .page_sizes = I915_GTT_PAGE_SIZE_4K
 146
 147 #define I830_FEATURES \
 148         GEN(2), \
 149         .is_mobile = 1, \
 150         .num_pipes = 2, \
 151         .display.has_overlay = 1, \
 152         .display.cursor_needs_physical = 1, \
 153         .display.overlay_needs_physical = 1, \
 154         .display.has_gmch = 1, \
 155         .gpu_reset_clobbers_display = true, \
 156         .hws_needs_physical = 1, \
 157         .unfenced_needs_alignment = 1, \
 158         .engine_mask = BIT(RCS0), \
 159         .has_snoop = true, \
 160         .has_coherent_ggtt = false, \
 161         I9XX_PIPE_OFFSETS, \
 162         I9XX_CURSOR_OFFSETS, \
 163         I9XX_COLORS, \
 164         GEN_DEFAULT_PAGE_SIZES
 165
 166 #define I845_FEATURES \
 167         GEN(2), \
 168         .num_pipes = 1, \
 169         .display.has_overlay = 1, \
 170         .display.overlay_needs_physical = 1, \
 171         .display.has_gmch = 1, \
 172         .gpu_reset_clobbers_display = true, \
 173         .hws_needs_physical = 1, \
 174         .unfenced_needs_alignment = 1, \
 175         .engine_mask = BIT(RCS0), \
 176         .has_snoop = true, \
 177         .has_coherent_ggtt = false, \
 178         I845_PIPE_OFFSETS, \
 179         I845_CURSOR_OFFSETS, \
 180         I9XX_COLORS, \
 181         GEN_DEFAULT_PAGE_SIZES
 182
 183 static const struct intel_device_info intel_i830_info = {
 184         I830_FEATURES,
 185         PLATFORM(INTEL_I830),
 186 };
 187
 188 static const struct intel_device_info intel_i845g_info = {
 189         I845_FEATURES,
 190         PLATFORM(INTEL_I845G),
 191 };
 192
 193 static const struct intel_device_info intel_i85x_info = {
 194         I830_FEATURES,
 195         PLATFORM(INTEL_I85X),
 196         .display.has_fbc = 1,
 197 };
 198
 199 static const struct intel_device_info intel_i865g_info = {
 200         I845_FEATURES,
 201         PLATFORM(INTEL_I865G),
 202 };
 203
 204 #define GEN3_FEATURES \
 205         GEN(3), \
 206         .num_pipes = 2, \
 207         .display.has_gmch = 1, \
 208         .gpu_reset_clobbers_display = true, \
 209         .engine_mask = BIT(RCS0), \
 210         .has_snoop = true, \
 211         .has_coherent_ggtt = true, \
 212         I9XX_PIPE_OFFSETS, \
 213         I9XX_CURSOR_OFFSETS, \
 214         I9XX_COLORS, \
 215         GEN_DEFAULT_PAGE_SIZES
 216
 217 static const struct intel_device_info intel_i915g_info = {
 218         GEN3_FEATURES,
 219         PLATFORM(INTEL_I915G),
 220         .has_coherent_ggtt = false,
 221         .display.cursor_needs_physical = 1,
 222         .display.has_overlay = 1,
 223         .display.overlay_needs_physical = 1,
 224         .hws_needs_physical = 1,
 225         .unfenced_needs_alignment = 1,
 226 };
 227
 228 static const struct intel_device_info intel_i915gm_info = {
 229         GEN3_FEATURES,
 230         PLATFORM(INTEL_I915GM),
 231         .is_mobile = 1,
 232         .display.cursor_needs_physical = 1,
 233         .display.has_overlay = 1,
 234         .display.overlay_needs_physical = 1,
 235         .display.supports_tv = 1,
 236         .display.has_fbc = 1,
 237         .hws_needs_physical = 1,
 238         .unfenced_needs_alignment = 1,
 239 };
 240
 241 static const struct intel_device_info intel_i945g_info = {
 242         GEN3_FEATURES,
 243         PLATFORM(INTEL_I945G),
 244         .display.has_hotplug = 1,
 245         .display.cursor_needs_physical = 1,
 246         .display.has_overlay = 1,
 247         .display.overlay_needs_physical = 1,
 248         .hws_needs_physical = 1,
 249         .unfenced_needs_alignment = 1,
 250 };
 251
 252 static const struct intel_device_info intel_i945gm_info = {
 253         GEN3_FEATURES,
 254         PLATFORM(INTEL_I945GM),
 255         .is_mobile = 1,
 256         .display.has_hotplug = 1,
 257         .display.cursor_needs_physical = 1,
 258         .display.has_overlay = 1,
 259         .display.overlay_needs_physical = 1,
 260         .display.supports_tv = 1,
 261         .display.has_fbc = 1,
 262         .hws_needs_physical = 1,
 263         .unfenced_needs_alignment = 1,
 264 };
 265
 266 static const struct intel_device_info intel_g33_info = {
 267         GEN3_FEATURES,
 268         PLATFORM(INTEL_G33),
 269         .display.has_hotplug = 1,
 270         .display.has_overlay = 1,
 271 };
 272
 273 static const struct intel_device_info intel_pineview_g_info = {
 274         GEN3_FEATURES,
 275         PLATFORM(INTEL_PINEVIEW),
 276         .display.has_hotplug = 1,
 277         .display.has_overlay = 1,
 278 };
 279
 280 static const struct intel_device_info intel_pineview_m_info = {
 281         GEN3_FEATURES,
 282         PLATFORM(INTEL_PINEVIEW),
 283         .is_mobile = 1,
 284         .display.has_hotplug = 1,
 285         .display.has_overlay = 1,
 286 };
 287
 288 #define GEN4_FEATURES \
 289         GEN(4), \
 290         .num_pipes = 2, \
 291         .display.has_hotplug = 1, \
 292         .display.has_gmch = 1, \
 293         .gpu_reset_clobbers_display = true, \
 294         .engine_mask = BIT(RCS0), \
 295         .has_snoop = true, \
 296         .has_coherent_ggtt = true, \
 297         I9XX_PIPE_OFFSETS, \
 298         I9XX_CURSOR_OFFSETS, \
 299         I965_COLORS, \
 300         GEN_DEFAULT_PAGE_SIZES
 301
 302 static const struct intel_device_info intel_i965g_info = {
 303         GEN4_FEATURES,
 304         PLATFORM(INTEL_I965G),
 305         .display.has_overlay = 1,
 306         .hws_needs_physical = 1,
 307         .has_snoop = false,
 308 };
 309
 310 static const struct intel_device_info intel_i965gm_info = {
 311         GEN4_FEATURES,
 312         PLATFORM(INTEL_I965GM),
 313         .is_mobile = 1,
 314         .display.has_fbc = 1,
 315         .display.has_overlay = 1,
 316         .display.supports_tv = 1,
 317         .hws_needs_physical = 1,
 318         .has_snoop = false,
 319 };
 320
 321 static const struct intel_device_info intel_g45_info = {
 322         GEN4_FEATURES,
 323         PLATFORM(INTEL_G45),
 324         .engine_mask = BIT(RCS0) | BIT(VCS0),
 325         .gpu_reset_clobbers_display = false,
 326 };
 327
 328 static const struct intel_device_info intel_gm45_info = {
 329         GEN4_FEATURES,
 330         PLATFORM(INTEL_GM45),
 331         .is_mobile = 1,
 332         .display.has_fbc = 1,
 333         .display.supports_tv = 1,
 334         .engine_mask = BIT(RCS0) | BIT(VCS0),
 335         .gpu_reset_clobbers_display = false,
 336 };
 337
 338 #define GEN5_FEATURES \
 339         GEN(5), \
 340         .num_pipes = 2, \
 341         .display.has_hotplug = 1, \
 342         .engine_mask = BIT(RCS0) | BIT(VCS0), \
 343         .has_snoop = true, \
 344         .has_coherent_ggtt = true, \
 345         /* ilk does support rc6, but we do not implement [power] contexts */ \
 346         .has_rc6 = 0, \
 347         I9XX_PIPE_OFFSETS, \
 348         I9XX_CURSOR_OFFSETS, \
 349         ILK_COLORS, \
 350         GEN_DEFAULT_PAGE_SIZES
 351
 352 static const struct intel_device_info intel_ironlake_d_info = {
 353         GEN5_FEATURES,
 354         PLATFORM(INTEL_IRONLAKE),
 355 };
 356
 357 static const struct intel_device_info intel_ironlake_m_info = {
 358         GEN5_FEATURES,
 359         PLATFORM(INTEL_IRONLAKE),
 360         .is_mobile = 1,
 361         .display.has_fbc = 1,
 362 };
 363
 364 #define GEN6_FEATURES \
 365         GEN(6), \
 366         .num_pipes = 2, \
 367         .display.has_hotplug = 1, \
 368         .display.has_fbc = 1, \
 369         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
 370         .has_coherent_ggtt = true, \
 371         .has_llc = 1, \
 372         .has_rc6 = 1, \
 373         .has_rc6p = 1, \
 374         .has_rps = true, \
 375         .ppgtt_type = INTEL_PPGTT_ALIASING, \
 376         .ppgtt_size = 31, \
 377         I9XX_PIPE_OFFSETS, \
 378         I9XX_CURSOR_OFFSETS, \
 379         ILK_COLORS, \
 380         GEN_DEFAULT_PAGE_SIZES
 381
 382 #define SNB_D_PLATFORM \
 383         GEN6_FEATURES, \
 384         PLATFORM(INTEL_SANDYBRIDGE)
 385
 386 static const struct intel_device_info intel_sandybridge_d_gt1_info = {
 387         SNB_D_PLATFORM,
 388         .gt = 1,
 389 };
 390
 391 static const struct intel_device_info intel_sandybridge_d_gt2_info = {
 392         SNB_D_PLATFORM,
 393         .gt = 2,
 394 };
 395
 396 #define SNB_M_PLATFORM \
 397         GEN6_FEATURES, \
 398         PLATFORM(INTEL_SANDYBRIDGE), \
 399         .is_mobile = 1
 400
 401
 402 static const struct intel_device_info intel_sandybridge_m_gt1_info = {
 403         SNB_M_PLATFORM,
 404         .gt = 1,
 405 };
 406
 407 static const struct intel_device_info intel_sandybridge_m_gt2_info = {
 408         SNB_M_PLATFORM,
 409         .gt = 2,
 410 };
 411
 412 #define GEN7_FEATURES  \
 413         GEN(7), \
 414         .num_pipes = 3, \
 415         .display.has_hotplug = 1, \
 416         .display.has_fbc = 1, \
 417         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
 418         .has_coherent_ggtt = true, \
 419         .has_llc = 1, \
 420         .has_rc6 = 1, \
 421         .has_rc6p = 1, \
 422         .has_rps = true, \
 423         .ppgtt_type = INTEL_PPGTT_FULL, \
 424         .ppgtt_size = 31, \
 425         IVB_PIPE_OFFSETS, \
 426         IVB_CURSOR_OFFSETS, \
 427         IVB_COLORS, \
 428         GEN_DEFAULT_PAGE_SIZES
 429
 430 #define IVB_D_PLATFORM \
 431         GEN7_FEATURES, \
 432         PLATFORM(INTEL_IVYBRIDGE), \
 433         .has_l3_dpf = 1
 434
 435 static const struct intel_device_info intel_ivybridge_d_gt1_info = {
 436         IVB_D_PLATFORM,
 437         .gt = 1,
 438 };
 439
 440 static const struct intel_device_info intel_ivybridge_d_gt2_info = {
 441         IVB_D_PLATFORM,
 442         .gt = 2,
 443 };
 444
 445 #define IVB_M_PLATFORM \
 446         GEN7_FEATURES, \
 447         PLATFORM(INTEL_IVYBRIDGE), \
 448         .is_mobile = 1, \
 449         .has_l3_dpf = 1
 450
 451 static const struct intel_device_info intel_ivybridge_m_gt1_info = {
 452         IVB_M_PLATFORM,
 453         .gt = 1,
 454 };
 455
 456 static const struct intel_device_info intel_ivybridge_m_gt2_info = {
 457         IVB_M_PLATFORM,
 458         .gt = 2,
 459 };
 460
 461 static const struct intel_device_info intel_ivybridge_q_info = {
 462         GEN7_FEATURES,
 463         PLATFORM(INTEL_IVYBRIDGE),
 464         .gt = 2,
 465         .num_pipes = 0, /* legal, last one wins */
 466         .has_l3_dpf = 1,
 467 };
 468
 469 static const struct intel_device_info intel_valleyview_info = {
 470         PLATFORM(INTEL_VALLEYVIEW),
 471         GEN(7),
 472         .is_lp = 1,
 473         .num_pipes = 2,
 474         .has_runtime_pm = 1,
 475         .has_rc6 = 1,
 476         .has_rps = true,
 477         .display.has_gmch = 1,
 478         .display.has_hotplug = 1,
 479         .ppgtt_type = INTEL_PPGTT_FULL,
 480         .ppgtt_size = 31,
 481         .has_snoop = true,
 482         .has_coherent_ggtt = false,
 483         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
 484         .display_mmio_offset = VLV_DISPLAY_BASE,
 485         I9XX_PIPE_OFFSETS,
 486         I9XX_CURSOR_OFFSETS,
 487         I965_COLORS,
 488         GEN_DEFAULT_PAGE_SIZES,
 489 };
 490
 491 #define G75_FEATURES  \
 492         GEN7_FEATURES, \
 493         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
 494         .display.has_ddi = 1, \
 495         .has_fpga_dbg = 1, \
 496         .display.has_psr = 1, \
 497         .display.has_dp_mst = 1, \
 498         .has_rc6p = 0 /* RC6p removed-by HSW */, \
 499         HSW_PIPE_OFFSETS, \
 500         .has_runtime_pm = 1
 501
 502 #define HSW_PLATFORM \
 503         G75_FEATURES, \
 504         PLATFORM(INTEL_HASWELL), \
 505         .has_l3_dpf = 1
 506
 507 static const struct intel_device_info intel_haswell_gt1_info = {
 508         HSW_PLATFORM,
 509         .gt = 1,
 510 };
 511
 512 static const struct intel_device_info intel_haswell_gt2_info = {
 513         HSW_PLATFORM,
 514         .gt = 2,
 515 };
 516
 517 static const struct intel_device_info intel_haswell_gt3_info = {
 518         HSW_PLATFORM,
 519         .gt = 3,
 520 };
 521
 522 #define GEN8_FEATURES \
 523         G75_FEATURES, \
 524         GEN(8), \
 525         .has_logical_ring_contexts = 1, \
 526         .ppgtt_type = INTEL_PPGTT_FULL, \
 527         .ppgtt_size = 48, \
 528         .has_64bit_reloc = 1, \
 529         .has_reset_engine = 1
 530
 531 #define BDW_PLATFORM \
 532         GEN8_FEATURES, \
 533         PLATFORM(INTEL_BROADWELL)
 534
 535 static const struct intel_device_info intel_broadwell_gt1_info = {
 536         BDW_PLATFORM,
 537         .gt = 1,
 538 };
 539
 540 static const struct intel_device_info intel_broadwell_gt2_info = {
 541         BDW_PLATFORM,
 542         .gt = 2,
 543 };
 544
 545 static const struct intel_device_info intel_broadwell_rsvd_info = {
 546         BDW_PLATFORM,
 547         .gt = 3,
 548         /* According to the device ID those devices are GT3, they were
 549          * previously treated as not GT3, keep it like that.
 550          */
 551 };
 552
 553 static const struct intel_device_info intel_broadwell_gt3_info = {
 554         BDW_PLATFORM,
 555         .gt = 3,
 556         .engine_mask =
 557                 BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
 558 };
 559
 560 static const struct intel_device_info intel_cherryview_info = {
 561         PLATFORM(INTEL_CHERRYVIEW),
 562         GEN(8),
 563         .num_pipes = 3,
 564         .display.has_hotplug = 1,
 565         .is_lp = 1,
 566         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
 567         .has_64bit_reloc = 1,
 568         .has_runtime_pm = 1,
 569         .has_rc6 = 1,
 570         .has_rps = true,
 571         .has_logical_ring_contexts = 1,
 572         .display.has_gmch = 1,
 573         .ppgtt_type = INTEL_PPGTT_FULL,
 574         .ppgtt_size = 32,
 575         .has_reset_engine = 1,
 576         .has_snoop = true,
 577         .has_coherent_ggtt = false,
 578         .display_mmio_offset = VLV_DISPLAY_BASE,
 579         CHV_PIPE_OFFSETS,
 580         CHV_CURSOR_OFFSETS,
 581         CHV_COLORS,
 582         GEN_DEFAULT_PAGE_SIZES,
 583 };
 584
 585 #define GEN9_DEFAULT_PAGE_SIZES \
 586         .page_sizes = I915_GTT_PAGE_SIZE_4K | \
 587                       I915_GTT_PAGE_SIZE_64K
 588
 589 #define GEN9_FEATURES \
 590         GEN8_FEATURES, \
 591         GEN(9), \
 592         GEN9_DEFAULT_PAGE_SIZES, \
 593         .has_logical_ring_preemption = 1, \
 594         .display.has_csr = 1, \
 595         .has_gt_uc = 1, \
 596         .display.has_ipc = 1, \
 597         .ddb_size = 896
 598
 599 #define SKL_PLATFORM \
 600         GEN9_FEATURES, \
 601         PLATFORM(INTEL_SKYLAKE)
 602
 603 static const struct intel_device_info intel_skylake_gt1_info = {
 604         SKL_PLATFORM,
 605         .gt = 1,
 606 };
 607
 608 static const struct intel_device_info intel_skylake_gt2_info = {
 609         SKL_PLATFORM,
 610         .gt = 2,
 611 };
 612
 613 #define SKL_GT3_PLUS_PLATFORM \
 614         SKL_PLATFORM, \
 615         .engine_mask = \
 616                 BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
 617
 618
 619 static const struct intel_device_info intel_skylake_gt3_info = {
 620         SKL_GT3_PLUS_PLATFORM,
 621         .gt = 3,
 622 };
 623
 624 static const struct intel_device_info intel_skylake_gt4_info = {
 625         SKL_GT3_PLUS_PLATFORM,
 626         .gt = 4,
 627 };
 628
 629 #define GEN9_LP_FEATURES \
 630         GEN(9), \
 631         .is_lp = 1, \
 632         .display.has_hotplug = 1, \
 633         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
 634         .num_pipes = 3, \
 635         .has_64bit_reloc = 1, \
 636         .display.has_ddi = 1, \
 637         .has_fpga_dbg = 1, \
 638         .display.has_fbc = 1, \
 639         .display.has_psr = 1, \
 640         .has_runtime_pm = 1, \
 641         .display.has_csr = 1, \
 642         .has_rc6 = 1, \
 643         .has_rps = true, \
 644         .display.has_dp_mst = 1, \
 645         .has_logical_ring_contexts = 1, \
 646         .has_logical_ring_preemption = 1, \
 647         .has_gt_uc = 1, \
 648         .ppgtt_type = INTEL_PPGTT_FULL, \
 649         .ppgtt_size = 48, \
 650         .has_reset_engine = 1, \
 651         .has_snoop = true, \
 652         .has_coherent_ggtt = false, \
 653         .display.has_ipc = 1, \
 654         HSW_PIPE_OFFSETS, \
 655         IVB_CURSOR_OFFSETS, \
 656         IVB_COLORS, \
 657         GEN9_DEFAULT_PAGE_SIZES
 658
 659 static const struct intel_device_info intel_broxton_info = {
 660         GEN9_LP_FEATURES,
 661         PLATFORM(INTEL_BROXTON),
 662         .ddb_size = 512,
 663 };
 664
 665 static const struct intel_device_info intel_geminilake_info = {
 666         GEN9_LP_FEATURES,
 667         PLATFORM(INTEL_GEMINILAKE),
 668         .ddb_size = 1024,
 669         GLK_COLORS,
 670 };
 671
 672 #define KBL_PLATFORM \
 673         GEN9_FEATURES, \
 674         PLATFORM(INTEL_KABYLAKE)
 675
 676 static const struct intel_device_info intel_kabylake_gt1_info = {
 677         KBL_PLATFORM,
 678         .gt = 1,
 679 };
 680
 681 static const struct intel_device_info intel_kabylake_gt2_info = {
 682         KBL_PLATFORM,
 683         .gt = 2,
 684 };
 685
 686 static const struct intel_device_info intel_kabylake_gt3_info = {
 687         KBL_PLATFORM,
 688         .gt = 3,
 689         .engine_mask =
 690                 BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
 691 };
 692
 693 #define CFL_PLATFORM \
 694         GEN9_FEATURES, \
 695         PLATFORM(INTEL_COFFEELAKE)
 696
 697 static const struct intel_device_info intel_coffeelake_gt1_info = {
 698         CFL_PLATFORM,
 699         .gt = 1,
 700 };
 701
 702 static const struct intel_device_info intel_coffeelake_gt2_info = {
 703         CFL_PLATFORM,
 704         .gt = 2,
 705 };
 706
 707 static const struct intel_device_info intel_coffeelake_gt3_info = {
 708         CFL_PLATFORM,
 709         .gt = 3,
 710         .engine_mask =
 711                 BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
 712 };
 713
 714 #define GEN10_FEATURES \
 715         GEN9_FEATURES, \
 716         GEN(10), \
 717         .ddb_size = 1024, \
 718         .has_coherent_ggtt = false, \
 719         GLK_COLORS
 720
 721 static const struct intel_device_info intel_cannonlake_info = {
 722         GEN10_FEATURES,
 723         PLATFORM(INTEL_CANNONLAKE),
 724         .gt = 2,
 725 };
 726
 727 #define GEN11_DEFAULT_PAGE_SIZES \
 728         .page_sizes = I915_GTT_PAGE_SIZE_4K | \
 729                       I915_GTT_PAGE_SIZE_64K | \
 730                       I915_GTT_PAGE_SIZE_2M
 731
 732 #define GEN11_FEATURES \
 733         GEN10_FEATURES, \
 734         GEN11_DEFAULT_PAGE_SIZES, \
 735         .pipe_offsets = { \
 736                 [TRANSCODER_A] = PIPE_A_OFFSET, \
 737                 [TRANSCODER_B] = PIPE_B_OFFSET, \
 738                 [TRANSCODER_C] = PIPE_C_OFFSET, \
 739                 [TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
 740                 [TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
 741                 [TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
 742         }, \
 743         .trans_offsets = { \
 744                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
 745                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
 746                 [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
 747                 [TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
 748                 [TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
 749                 [TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
 750         }, \
 751         GEN(11), \
 752         .ddb_size = 2048, \
 753         .has_logical_ring_elsq = 1, \
 754         .color = { .degamma_lut_size = 33, .gamma_lut_size = 262145 }
 755
 756 static const struct intel_device_info intel_icelake_11_info = {
 757         GEN11_FEATURES,
 758         PLATFORM(INTEL_ICELAKE),
 759         .engine_mask =
 760                 BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
 761 };
 762
 763 static const struct intel_device_info intel_elkhartlake_info = {
 764         GEN11_FEATURES,
 765         PLATFORM(INTEL_ELKHARTLAKE),
 766         .require_force_probe = 1,
 767         .engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
 768         .ppgtt_size = 36,
 769 };
 770
 771 #define GEN12_FEATURES \
 772         GEN11_FEATURES, \
 773         GEN(12), \
 774         .pipe_offsets = { \
 775                 [TRANSCODER_A] = PIPE_A_OFFSET, \
 776                 [TRANSCODER_B] = PIPE_B_OFFSET, \
 777                 [TRANSCODER_C] = PIPE_C_OFFSET, \
 778                 [TRANSCODER_D] = PIPE_D_OFFSET, \
 779                 [TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
 780                 [TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
 781         }, \
 782         .trans_offsets = { \
 783                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
 784                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
 785                 [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
 786                 [TRANSCODER_D] = TRANSCODER_D_OFFSET, \
 787                 [TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
 788                 [TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
 789         }, \
 790         .has_global_mocs = 1
 791
 792 static const struct intel_device_info intel_tigerlake_12_info = {
 793         GEN12_FEATURES,
 794         PLATFORM(INTEL_TIGERLAKE),
 795         .num_pipes = 4,
 796         .require_force_probe = 1,
 797         .display.has_modular_fia = 1,
 798         .engine_mask =
 799                 BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
 800 };
 801
 802 #undef GEN
 803 #undef PLATFORM
 804
 805 /*
 806  * Make sure any device matches here are from most specific to most
 807  * general.  For example, since the Quanta match is based on the subsystem
 808  * and subvendor IDs, we need it to come before the more general IVB
 809  * PCI ID matches, otherwise we'll use the wrong info struct above.
 810  */
 811 static const struct pci_device_id pciidlist[] = {
 812         INTEL_I830_IDS(&intel_i830_info),
 813         INTEL_I845G_IDS(&intel_i845g_info),
 814         INTEL_I85X_IDS(&intel_i85x_info),
 815         INTEL_I865G_IDS(&intel_i865g_info),
 816         INTEL_I915G_IDS(&intel_i915g_info),
 817         INTEL_I915GM_IDS(&intel_i915gm_info),
 818         INTEL_I945G_IDS(&intel_i945g_info),
 819         INTEL_I945GM_IDS(&intel_i945gm_info),
 820         INTEL_I965G_IDS(&intel_i965g_info),
 821         INTEL_G33_IDS(&intel_g33_info),
 822         INTEL_I965GM_IDS(&intel_i965gm_info),
 823         INTEL_GM45_IDS(&intel_gm45_info),
 824         INTEL_G45_IDS(&intel_g45_info),
 825         INTEL_PINEVIEW_G_IDS(&intel_pineview_g_info),
 826         INTEL_PINEVIEW_M_IDS(&intel_pineview_m_info),
 827         INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info),
 828         INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info),
 829         INTEL_SNB_D_GT1_IDS(&intel_sandybridge_d_gt1_info),
 830         INTEL_SNB_D_GT2_IDS(&intel_sandybridge_d_gt2_info),
 831         INTEL_SNB_M_GT1_IDS(&intel_sandybridge_m_gt1_info),
 832         INTEL_SNB_M_GT2_IDS(&intel_sandybridge_m_gt2_info),
 833         INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */
 834         INTEL_IVB_M_GT1_IDS(&intel_ivybridge_m_gt1_info),
 835         INTEL_IVB_M_GT2_IDS(&intel_ivybridge_m_gt2_info),
 836         INTEL_IVB_D_GT1_IDS(&intel_ivybridge_d_gt1_info),
 837         INTEL_IVB_D_GT2_IDS(&intel_ivybridge_d_gt2_info),
 838         INTEL_HSW_GT1_IDS(&intel_haswell_gt1_info),
 839         INTEL_HSW_GT2_IDS(&intel_haswell_gt2_info),
 840         INTEL_HSW_GT3_IDS(&intel_haswell_gt3_info),
 841         INTEL_VLV_IDS(&intel_valleyview_info),
 842         INTEL_BDW_GT1_IDS(&intel_broadwell_gt1_info),
 843         INTEL_BDW_GT2_IDS(&intel_broadwell_gt2_info),
 844         INTEL_BDW_GT3_IDS(&intel_broadwell_gt3_info),
 845         INTEL_BDW_RSVD_IDS(&intel_broadwell_rsvd_info),
 846         INTEL_CHV_IDS(&intel_cherryview_info),
 847         INTEL_SKL_GT1_IDS(&intel_skylake_gt1_info),
 848         INTEL_SKL_GT2_IDS(&intel_skylake_gt2_info),
 849         INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info),
 850         INTEL_SKL_GT4_IDS(&intel_skylake_gt4_info),
 851         INTEL_BXT_IDS(&intel_broxton_info),
 852         INTEL_GLK_IDS(&intel_geminilake_info),
 853         INTEL_KBL_GT1_IDS(&intel_kabylake_gt1_info),
 854         INTEL_KBL_GT2_IDS(&intel_kabylake_gt2_info),
 855         INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info),
 856         INTEL_KBL_GT4_IDS(&intel_kabylake_gt3_info),
 857         INTEL_AML_KBL_GT2_IDS(&intel_kabylake_gt2_info),
 858         INTEL_CFL_S_GT1_IDS(&intel_coffeelake_gt1_info),
 859         INTEL_CFL_S_GT2_IDS(&intel_coffeelake_gt2_info),
 860         INTEL_CFL_H_GT1_IDS(&intel_coffeelake_gt1_info),
 861         INTEL_CFL_H_GT2_IDS(&intel_coffeelake_gt2_info),
 862         INTEL_CFL_U_GT2_IDS(&intel_coffeelake_gt2_info),
 863         INTEL_CFL_U_GT3_IDS(&intel_coffeelake_gt3_info),
 864         INTEL_WHL_U_GT1_IDS(&intel_coffeelake_gt1_info),
 865         INTEL_WHL_U_GT2_IDS(&intel_coffeelake_gt2_info),
 866         INTEL_AML_CFL_GT2_IDS(&intel_coffeelake_gt2_info),
 867         INTEL_WHL_U_GT3_IDS(&intel_coffeelake_gt3_info),
 868         INTEL_CML_GT1_IDS(&intel_coffeelake_gt1_info),
 869         INTEL_CML_GT2_IDS(&intel_coffeelake_gt2_info),
 870         INTEL_CNL_IDS(&intel_cannonlake_info),
 871         INTEL_ICL_11_IDS(&intel_icelake_11_info),
 872         INTEL_EHL_IDS(&intel_elkhartlake_info),
 873         INTEL_TGL_12_IDS(&intel_tigerlake_12_info),
 874         {0, 0, 0}
 875 };
 876 MODULE_DEVICE_TABLE(pci, pciidlist);
 877
 878 static void i915_pci_remove(struct pci_dev *pdev)
 879 {
 880         struct drm_i915_private *i915;
 881
 882         i915 = pci_get_drvdata(pdev);
 883         if (!i915) /* driver load aborted, nothing to cleanup */
 884                 return;
 885
 886         i915_driver_remove(i915);
 887         pci_set_drvdata(pdev, NULL);
 888
 889         drm_dev_put(&i915->drm);
 890 }
 891
 892 /* is device_id present in comma separated list of ids */
 893 static bool force_probe(u16 device_id, const char *devices)
 894 {
 895         char *s, *p, *tok;
 896         bool ret;
 897
 898         /* FIXME: transitional */
 899         if (i915_modparams.alpha_support) {
 900                 DRM_INFO("i915.alpha_support is deprecated, use i915.force_probe=%04x instead\n",
 901                          device_id);
 902                 return true;
 903         }
 904
 905         if (!devices || !*devices)
 906                 return false;
 907
 908         /* match everything */
 909         if (strcmp(devices, "*") == 0)
 910                 return true;
 911
 912         s = kstrdup(devices, GFP_KERNEL);
 913         if (!s)
 914                 return false;
 915
 916         for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
 917                 u16 val;
 918
 919                 if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
 920                         ret = true;
 921                         break;
 922                 }
 923         }
 924
 925         kfree(s);
 926
 927         return ret;
 928 }
 929
 930 static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 931 {
 932         struct intel_device_info *intel_info =
 933                 (struct intel_device_info *) ent->driver_data;
 934         int err;
 935
 936         if (intel_info->require_force_probe &&
 937             !force_probe(pdev->device, i915_modparams.force_probe)) {
 938                 DRM_INFO("Your graphics device %04x is not properly supported by the driver in this\n"
 939                          "kernel version. To force driver probe anyway, use i915.force_probe=%04x\n"
 940                          "module parameter or CONFIG_DRM_I915_FORCE_PROBE=%04x configuration option,\n"
 941                          "or (recommended) check for kernel updates.\n",
 942                          pdev->device, pdev->device, pdev->device);
 943                 return -ENODEV;
 944         }
 945
 946         /* Only bind to function 0 of the device. Early generations
 947          * used function 1 as a placeholder for multi-head. This causes
 948          * us confusion instead, especially on the systems where both
 949          * functions have the same PCI-ID!
 950          */
 951         if (PCI_FUNC(pdev->devfn))
 952                 return -ENODEV;
 953
 954         /*
 955          * apple-gmux is needed on dual GPU MacBook Pro
 956          * to probe the panel if we're the inactive GPU.
 957          */
 958         if (vga_switcheroo_client_probe_defer(pdev))
 959                 return -EPROBE_DEFER;
 960
 961         err = i915_driver_probe(pdev, ent);
 962         if (err)
 963                 return err;
 964
 965         if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
 966                 i915_pci_remove(pdev);
 967                 return -ENODEV;
 968         }
 969
 970         err = i915_live_selftests(pdev);
 971         if (err) {
 972                 i915_pci_remove(pdev);
 973                 return err > 0 ? -ENOTTY : err;
 974         }
 975
 976         return 0;
 977 }
 978
 979 static struct pci_driver i915_pci_driver = {
 980         .name = DRIVER_NAME,
 981         .id_table = pciidlist,
 982         .probe = i915_pci_probe,
 983         .remove = i915_pci_remove,
 984         .driver.pm = &i915_pm_ops,
 985 };
 986
 987 static int __init i915_init(void)
 988 {
 989         bool use_kms = true;
 990         int err;
 991
 992         err = i915_globals_init();
 993         if (err)
 994                 return err;
 995
 996         err = i915_mock_selftests();
 997         if (err)
 998                 return err > 0 ? 0 : err;
 999
1000         /*
1001          * Enable KMS by default, unless explicitly overriden by
1002          * either the i915.modeset prarameter or by the
1003          * vga_text_mode_force boot option.
1004          */
1005
1006         if (i915_modparams.modeset == 0)
1007                 use_kms = false;
1008
1009         if (vgacon_text_force() && i915_modparams.modeset == -1)
1010                 use_kms = false;
1011
1012         if (!use_kms) {
1013                 /* Silently fail loading to not upset userspace. */
1014                 DRM_DEBUG_DRIVER("KMS disabled.\n");
1015                 return 0;
1016         }
1017
1018         return pci_register_driver(&i915_pci_driver);
1019 }
1020
1021 static void __exit i915_exit(void)
1022 {
1023         if (!i915_pci_driver.driver.owner)
1024                 return;
1025
1026         pci_unregister_driver(&i915_pci_driver);
1027         i915_globals_exit();
1028 }
1029
1030 module_init(i915_init);
1031 module_exit(i915_exit);
1032
1033 MODULE_AUTHOR("Tungsten Graphics, Inc.");
1034 MODULE_AUTHOR("Intel Corporation");
1035
1036 MODULE_DESCRIPTION(DRIVER_DESC);
1037 MODULE_LICENSE("GPL and additional rights");