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 "i915_drv.h"
  32 #include "i915_globals.h"
  33 #include "i915_selftest.h"
  34 #include "intel_fbdev.h"
  35
  36 #define PLATFORM(x) .platform = (x)
  37 #define GEN(x) .gen = (x), .gen_mask = BIT((x) - 1)
  38
  39 #define I845_PIPE_OFFSETS \
  40         .pipe_offsets = { \
  41                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  42         }, \
  43         .trans_offsets = { \
  44                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  45         }
  46
  47 #define I9XX_PIPE_OFFSETS \
  48         .pipe_offsets = { \
  49                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  50                 [TRANSCODER_B] = PIPE_B_OFFSET, \
  51         }, \
  52         .trans_offsets = { \
  53                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  54                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
  55         }
  56
  57 #define IVB_PIPE_OFFSETS \
  58         .pipe_offsets = { \
  59                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  60                 [TRANSCODER_B] = PIPE_B_OFFSET, \
  61                 [TRANSCODER_C] = PIPE_C_OFFSET, \
  62         }, \
  63         .trans_offsets = { \
  64                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  65                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
  66                 [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
  67         }
  68
  69 #define HSW_PIPE_OFFSETS \
  70         .pipe_offsets = { \
  71                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  72                 [TRANSCODER_B] = PIPE_B_OFFSET, \
  73                 [TRANSCODER_C] = PIPE_C_OFFSET, \
  74                 [TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
  75         }, \
  76         .trans_offsets = { \
  77                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  78                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
  79                 [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
  80                 [TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
  81         }
  82
  83 #define CHV_PIPE_OFFSETS \
  84         .pipe_offsets = { \
  85                 [TRANSCODER_A] = PIPE_A_OFFSET, \
  86                 [TRANSCODER_B] = PIPE_B_OFFSET, \
  87                 [TRANSCODER_C] = CHV_PIPE_C_OFFSET, \
  88         }, \
  89         .trans_offsets = { \
  90                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
  91                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
  92                 [TRANSCODER_C] = CHV_TRANSCODER_C_OFFSET, \
  93         }
  94
  95 #define I845_CURSOR_OFFSETS \
  96         .cursor_offsets = { \
  97                 [PIPE_A] = CURSOR_A_OFFSET, \
  98         }
  99
 100 #define I9XX_CURSOR_OFFSETS \
 101         .cursor_offsets = { \
 102                 [PIPE_A] = CURSOR_A_OFFSET, \
 103                 [PIPE_B] = CURSOR_B_OFFSET, \
 104         }
 105
 106 #define CHV_CURSOR_OFFSETS \
 107         .cursor_offsets = { \
 108                 [PIPE_A] = CURSOR_A_OFFSET, \
 109                 [PIPE_B] = CURSOR_B_OFFSET, \
 110                 [PIPE_C] = CHV_CURSOR_C_OFFSET, \
 111         }
 112
 113 #define IVB_CURSOR_OFFSETS \
 114         .cursor_offsets = { \
 115                 [PIPE_A] = CURSOR_A_OFFSET, \
 116                 [PIPE_B] = IVB_CURSOR_B_OFFSET, \
 117                 [PIPE_C] = IVB_CURSOR_C_OFFSET, \
 118         }
 119
 120 #define I9XX_COLORS \
 121         .color = { .gamma_lut_size = 256 }
 122 #define I965_COLORS \
 123         .color = { .gamma_lut_size = 129, \
 124                    .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
 125         }
 126 #define ILK_COLORS \
 127         .color = { .gamma_lut_size = 1024 }
 128 #define IVB_COLORS \
 129         .color = { .degamma_lut_size = 1024, .gamma_lut_size = 1024 }
 130 #define CHV_COLORS \
 131         .color = { .degamma_lut_size = 65, .gamma_lut_size = 257, \
 132                    .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
 133                    .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
 134         }
 135 #define GLK_COLORS \
 136         .color = { .degamma_lut_size = 33, .gamma_lut_size = 1024, \
 137                    .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
 138                                         DRM_COLOR_LUT_EQUAL_CHANNELS, \
 139         }
 140
 141 /* Keep in gen based order, and chronological order within a gen */
 142
 143 #define GEN_DEFAULT_PAGE_SIZES \
 144         .page_sizes = I915_GTT_PAGE_SIZE_4K
 145
 146 #define I830_FEATURES \
 147         GEN(2), \
 148         .is_mobile = 1, \
 149         .num_pipes = 2, \
 150         .display.has_overlay = 1, \
 151         .display.cursor_needs_physical = 1, \
 152         .display.overlay_needs_physical = 1, \
 153         .display.has_gmch = 1, \
 154         .gpu_reset_clobbers_display = true, \
 155         .hws_needs_physical = 1, \
 156         .unfenced_needs_alignment = 1, \
 157         .engine_mask = BIT(RCS0), \
 158         .has_snoop = true, \
 159         .has_coherent_ggtt = false, \
 160         I9XX_PIPE_OFFSETS, \
 161         I9XX_CURSOR_OFFSETS, \
 162         I9XX_COLORS, \
 163         GEN_DEFAULT_PAGE_SIZES
 164
 165 #define I845_FEATURES \
 166         GEN(2), \
 167         .num_pipes = 1, \
 168         .display.has_overlay = 1, \
 169         .display.overlay_needs_physical = 1, \
 170         .display.has_gmch = 1, \
 171         .gpu_reset_clobbers_display = true, \
 172         .hws_needs_physical = 1, \
 173         .unfenced_needs_alignment = 1, \
 174         .engine_mask = BIT(RCS0), \
 175         .has_snoop = true, \
 176         .has_coherent_ggtt = false, \
 177         I845_PIPE_OFFSETS, \
 178         I845_CURSOR_OFFSETS, \
 179         I9XX_COLORS, \
 180         GEN_DEFAULT_PAGE_SIZES
 181
 182 static const struct intel_device_info intel_i830_info = {
 183         I830_FEATURES,
 184         PLATFORM(INTEL_I830),
 185 };
 186
 187 static const struct intel_device_info intel_i845g_info = {
 188         I845_FEATURES,
 189         PLATFORM(INTEL_I845G),
 190 };
 191
 192 static const struct intel_device_info intel_i85x_info = {
 193         I830_FEATURES,
 194         PLATFORM(INTEL_I85X),
 195         .display.has_fbc = 1,
 196 };
 197
 198 static const struct intel_device_info intel_i865g_info = {
 199         I845_FEATURES,
 200         PLATFORM(INTEL_I865G),
 201 };
 202
 203 #define GEN3_FEATURES \
 204         GEN(3), \
 205         .num_pipes = 2, \
 206         .display.has_gmch = 1, \
 207         .gpu_reset_clobbers_display = true, \
 208         .engine_mask = BIT(RCS0), \
 209         .has_snoop = true, \
 210         .has_coherent_ggtt = true, \
 211         I9XX_PIPE_OFFSETS, \
 212         I9XX_CURSOR_OFFSETS, \
 213         I9XX_COLORS, \
 214         GEN_DEFAULT_PAGE_SIZES
 215
 216 static const struct intel_device_info intel_i915g_info = {
 217         GEN3_FEATURES,
 218         PLATFORM(INTEL_I915G),
 219         .has_coherent_ggtt = false,
 220         .display.cursor_needs_physical = 1,
 221         .display.has_overlay = 1,
 222         .display.overlay_needs_physical = 1,
 223         .hws_needs_physical = 1,
 224         .unfenced_needs_alignment = 1,
 225 };
 226
 227 static const struct intel_device_info intel_i915gm_info = {
 228         GEN3_FEATURES,
 229         PLATFORM(INTEL_I915GM),
 230         .is_mobile = 1,
 231         .display.cursor_needs_physical = 1,
 232         .display.has_overlay = 1,
 233         .display.overlay_needs_physical = 1,
 234         .display.supports_tv = 1,
 235         .display.has_fbc = 1,
 236         .hws_needs_physical = 1,
 237         .unfenced_needs_alignment = 1,
 238 };
 239
 240 static const struct intel_device_info intel_i945g_info = {
 241         GEN3_FEATURES,
 242         PLATFORM(INTEL_I945G),
 243         .display.has_hotplug = 1,
 244         .display.cursor_needs_physical = 1,
 245         .display.has_overlay = 1,
 246         .display.overlay_needs_physical = 1,
 247         .hws_needs_physical = 1,
 248         .unfenced_needs_alignment = 1,
 249 };
 250
 251 static const struct intel_device_info intel_i945gm_info = {
 252         GEN3_FEATURES,
 253         PLATFORM(INTEL_I945GM),
 254         .is_mobile = 1,
 255         .display.has_hotplug = 1,
 256         .display.cursor_needs_physical = 1,
 257         .display.has_overlay = 1,
 258         .display.overlay_needs_physical = 1,
 259         .display.supports_tv = 1,
 260         .display.has_fbc = 1,
 261         .hws_needs_physical = 1,
 262         .unfenced_needs_alignment = 1,
 263 };
 264
 265 static const struct intel_device_info intel_g33_info = {
 266         GEN3_FEATURES,
 267         PLATFORM(INTEL_G33),
 268         .display.has_hotplug = 1,
 269         .display.has_overlay = 1,
 270 };
 271
 272 static const struct intel_device_info intel_pineview_g_info = {
 273         GEN3_FEATURES,
 274         PLATFORM(INTEL_PINEVIEW),
 275         .display.has_hotplug = 1,
 276         .display.has_overlay = 1,
 277 };
 278
 279 static const struct intel_device_info intel_pineview_m_info = {
 280         GEN3_FEATURES,
 281         PLATFORM(INTEL_PINEVIEW),
 282         .is_mobile = 1,
 283         .display.has_hotplug = 1,
 284         .display.has_overlay = 1,
 285 };
 286
 287 #define GEN4_FEATURES \
 288         GEN(4), \
 289         .num_pipes = 2, \
 290         .display.has_hotplug = 1, \
 291         .display.has_gmch = 1, \
 292         .gpu_reset_clobbers_display = true, \
 293         .engine_mask = BIT(RCS0), \
 294         .has_snoop = true, \
 295         .has_coherent_ggtt = true, \
 296         I9XX_PIPE_OFFSETS, \
 297         I9XX_CURSOR_OFFSETS, \
 298         I965_COLORS, \
 299         GEN_DEFAULT_PAGE_SIZES
 300
 301 static const struct intel_device_info intel_i965g_info = {
 302         GEN4_FEATURES,
 303         PLATFORM(INTEL_I965G),
 304         .display.has_overlay = 1,
 305         .hws_needs_physical = 1,
 306         .has_snoop = false,
 307 };
 308
 309 static const struct intel_device_info intel_i965gm_info = {
 310         GEN4_FEATURES,
 311         PLATFORM(INTEL_I965GM),
 312         .is_mobile = 1,
 313         .display.has_fbc = 1,
 314         .display.has_overlay = 1,
 315         .display.supports_tv = 1,
 316         .hws_needs_physical = 1,
 317         .has_snoop = false,
 318 };
 319
 320 static const struct intel_device_info intel_g45_info = {
 321         GEN4_FEATURES,
 322         PLATFORM(INTEL_G45),
 323         .engine_mask = BIT(RCS0) | BIT(VCS0),
 324         .gpu_reset_clobbers_display = false,
 325 };
 326
 327 static const struct intel_device_info intel_gm45_info = {
 328         GEN4_FEATURES,
 329         PLATFORM(INTEL_GM45),
 330         .is_mobile = 1,
 331         .display.has_fbc = 1,
 332         .display.supports_tv = 1,
 333         .engine_mask = BIT(RCS0) | BIT(VCS0),
 334         .gpu_reset_clobbers_display = false,
 335 };
 336
 337 #define GEN5_FEATURES \
 338         GEN(5), \
 339         .num_pipes = 2, \
 340         .display.has_hotplug = 1, \
 341         .engine_mask = BIT(RCS0) | BIT(VCS0), \
 342         .has_snoop = true, \
 343         .has_coherent_ggtt = true, \
 344         /* ilk does support rc6, but we do not implement [power] contexts */ \
 345         .has_rc6 = 0, \
 346         I9XX_PIPE_OFFSETS, \
 347         I9XX_CURSOR_OFFSETS, \
 348         ILK_COLORS, \
 349         GEN_DEFAULT_PAGE_SIZES
 350
 351 static const struct intel_device_info intel_ironlake_d_info = {
 352         GEN5_FEATURES,
 353         PLATFORM(INTEL_IRONLAKE),
 354 };
 355
 356 static const struct intel_device_info intel_ironlake_m_info = {
 357         GEN5_FEATURES,
 358         PLATFORM(INTEL_IRONLAKE),
 359         .is_mobile = 1,
 360         .display.has_fbc = 1,
 361 };
 362
 363 #define GEN6_FEATURES \
 364         GEN(6), \
 365         .num_pipes = 2, \
 366         .display.has_hotplug = 1, \
 367         .display.has_fbc = 1, \
 368         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
 369         .has_coherent_ggtt = true, \
 370         .has_llc = 1, \
 371         .has_rc6 = 1, \
 372         .has_rc6p = 1, \
 373         .ppgtt_type = INTEL_PPGTT_ALIASING, \
 374         .ppgtt_size = 31, \
 375         I9XX_PIPE_OFFSETS, \
 376         I9XX_CURSOR_OFFSETS, \
 377         ILK_COLORS, \
 378         GEN_DEFAULT_PAGE_SIZES
 379
 380 #define SNB_D_PLATFORM \
 381         GEN6_FEATURES, \
 382         PLATFORM(INTEL_SANDYBRIDGE)
 383
 384 static const struct intel_device_info intel_sandybridge_d_gt1_info = {
 385         SNB_D_PLATFORM,
 386         .gt = 1,
 387 };
 388
 389 static const struct intel_device_info intel_sandybridge_d_gt2_info = {
 390         SNB_D_PLATFORM,
 391         .gt = 2,
 392 };
 393
 394 #define SNB_M_PLATFORM \
 395         GEN6_FEATURES, \
 396         PLATFORM(INTEL_SANDYBRIDGE), \
 397         .is_mobile = 1
 398
 399
 400 static const struct intel_device_info intel_sandybridge_m_gt1_info = {
 401         SNB_M_PLATFORM,
 402         .gt = 1,
 403 };
 404
 405 static const struct intel_device_info intel_sandybridge_m_gt2_info = {
 406         SNB_M_PLATFORM,
 407         .gt = 2,
 408 };
 409
 410 #define GEN7_FEATURES  \
 411         GEN(7), \
 412         .num_pipes = 3, \
 413         .display.has_hotplug = 1, \
 414         .display.has_fbc = 1, \
 415         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
 416         .has_coherent_ggtt = true, \
 417         .has_llc = 1, \
 418         .has_rc6 = 1, \
 419         .has_rc6p = 1, \
 420         .ppgtt_type = INTEL_PPGTT_FULL, \
 421         .ppgtt_size = 31, \
 422         IVB_PIPE_OFFSETS, \
 423         IVB_CURSOR_OFFSETS, \
 424         IVB_COLORS, \
 425         GEN_DEFAULT_PAGE_SIZES
 426
 427 #define IVB_D_PLATFORM \
 428         GEN7_FEATURES, \
 429         PLATFORM(INTEL_IVYBRIDGE), \
 430         .has_l3_dpf = 1
 431
 432 static const struct intel_device_info intel_ivybridge_d_gt1_info = {
 433         IVB_D_PLATFORM,
 434         .gt = 1,
 435 };
 436
 437 static const struct intel_device_info intel_ivybridge_d_gt2_info = {
 438         IVB_D_PLATFORM,
 439         .gt = 2,
 440 };
 441
 442 #define IVB_M_PLATFORM \
 443         GEN7_FEATURES, \
 444         PLATFORM(INTEL_IVYBRIDGE), \
 445         .is_mobile = 1, \
 446         .has_l3_dpf = 1
 447
 448 static const struct intel_device_info intel_ivybridge_m_gt1_info = {
 449         IVB_M_PLATFORM,
 450         .gt = 1,
 451 };
 452
 453 static const struct intel_device_info intel_ivybridge_m_gt2_info = {
 454         IVB_M_PLATFORM,
 455         .gt = 2,
 456 };
 457
 458 static const struct intel_device_info intel_ivybridge_q_info = {
 459         GEN7_FEATURES,
 460         PLATFORM(INTEL_IVYBRIDGE),
 461         .gt = 2,
 462         .num_pipes = 0, /* legal, last one wins */
 463         .has_l3_dpf = 1,
 464 };
 465
 466 static const struct intel_device_info intel_valleyview_info = {
 467         PLATFORM(INTEL_VALLEYVIEW),
 468         GEN(7),
 469         .is_lp = 1,
 470         .num_pipes = 2,
 471         .has_runtime_pm = 1,
 472         .has_rc6 = 1,
 473         .display.has_gmch = 1,
 474         .display.has_hotplug = 1,
 475         .ppgtt_type = INTEL_PPGTT_FULL,
 476         .ppgtt_size = 31,
 477         .has_snoop = true,
 478         .has_coherent_ggtt = false,
 479         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
 480         .display_mmio_offset = VLV_DISPLAY_BASE,
 481         I9XX_PIPE_OFFSETS,
 482         I9XX_CURSOR_OFFSETS,
 483         I965_COLORS,
 484         GEN_DEFAULT_PAGE_SIZES,
 485 };
 486
 487 #define G75_FEATURES  \
 488         GEN7_FEATURES, \
 489         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
 490         .display.has_ddi = 1, \
 491         .has_fpga_dbg = 1, \
 492         .display.has_psr = 1, \
 493         .display.has_dp_mst = 1, \
 494         .has_rc6p = 0 /* RC6p removed-by HSW */, \
 495         HSW_PIPE_OFFSETS, \
 496         .has_runtime_pm = 1
 497
 498 #define HSW_PLATFORM \
 499         G75_FEATURES, \
 500         PLATFORM(INTEL_HASWELL), \
 501         .has_l3_dpf = 1
 502
 503 static const struct intel_device_info intel_haswell_gt1_info = {
 504         HSW_PLATFORM,
 505         .gt = 1,
 506 };
 507
 508 static const struct intel_device_info intel_haswell_gt2_info = {
 509         HSW_PLATFORM,
 510         .gt = 2,
 511 };
 512
 513 static const struct intel_device_info intel_haswell_gt3_info = {
 514         HSW_PLATFORM,
 515         .gt = 3,
 516 };
 517
 518 #define GEN8_FEATURES \
 519         G75_FEATURES, \
 520         GEN(8), \
 521         .page_sizes = I915_GTT_PAGE_SIZE_4K | \
 522                       I915_GTT_PAGE_SIZE_2M, \
 523         .has_logical_ring_contexts = 1, \
 524         .ppgtt_type = INTEL_PPGTT_FULL, \
 525         .ppgtt_size = 48, \
 526         .has_64bit_reloc = 1, \
 527         .has_reset_engine = 1
 528
 529 #define BDW_PLATFORM \
 530         GEN8_FEATURES, \
 531         PLATFORM(INTEL_BROADWELL)
 532
 533 static const struct intel_device_info intel_broadwell_gt1_info = {
 534         BDW_PLATFORM,
 535         .gt = 1,
 536 };
 537
 538 static const struct intel_device_info intel_broadwell_gt2_info = {
 539         BDW_PLATFORM,
 540         .gt = 2,
 541 };
 542
 543 static const struct intel_device_info intel_broadwell_rsvd_info = {
 544         BDW_PLATFORM,
 545         .gt = 3,
 546         /* According to the device ID those devices are GT3, they were
 547          * previously treated as not GT3, keep it like that.
 548          */
 549 };
 550
 551 static const struct intel_device_info intel_broadwell_gt3_info = {
 552         BDW_PLATFORM,
 553         .gt = 3,
 554         .engine_mask =
 555                 BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
 556 };
 557
 558 static const struct intel_device_info intel_cherryview_info = {
 559         PLATFORM(INTEL_CHERRYVIEW),
 560         GEN(8),
 561         .num_pipes = 3,
 562         .display.has_hotplug = 1,
 563         .is_lp = 1,
 564         .engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
 565         .has_64bit_reloc = 1,
 566         .has_runtime_pm = 1,
 567         .has_rc6 = 1,
 568         .has_logical_ring_contexts = 1,
 569         .display.has_gmch = 1,
 570         .ppgtt_type = INTEL_PPGTT_FULL,
 571         .ppgtt_size = 32,
 572         .has_reset_engine = 1,
 573         .has_snoop = true,
 574         .has_coherent_ggtt = false,
 575         .display_mmio_offset = VLV_DISPLAY_BASE,
 576         CHV_PIPE_OFFSETS,
 577         CHV_CURSOR_OFFSETS,
 578         CHV_COLORS,
 579         GEN_DEFAULT_PAGE_SIZES,
 580 };
 581
 582 #define GEN9_DEFAULT_PAGE_SIZES \
 583         .page_sizes = I915_GTT_PAGE_SIZE_4K | \
 584                       I915_GTT_PAGE_SIZE_64K | \
 585                       I915_GTT_PAGE_SIZE_2M
 586
 587 #define GEN9_FEATURES \
 588         GEN8_FEATURES, \
 589         GEN(9), \
 590         GEN9_DEFAULT_PAGE_SIZES, \
 591         .has_logical_ring_preemption = 1, \
 592         .display.has_csr = 1, \
 593         .has_guc = 1, \
 594         .display.has_ipc = 1, \
 595         .ddb_size = 896
 596
 597 #define SKL_PLATFORM \
 598         GEN9_FEATURES, \
 599         /* Display WA #0477 WaDisableIPC: skl */ \
 600         .display.has_ipc = 0, \
 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         .display.has_dp_mst = 1, \
 644         .has_logical_ring_contexts = 1, \
 645         .has_logical_ring_preemption = 1, \
 646         .has_guc = 1, \
 647         .ppgtt_type = INTEL_PPGTT_FULL, \
 648         .ppgtt_size = 48, \
 649         .has_reset_engine = 1, \
 650         .has_snoop = true, \
 651         .has_coherent_ggtt = false, \
 652         .display.has_ipc = 1, \
 653         HSW_PIPE_OFFSETS, \
 654         IVB_CURSOR_OFFSETS, \
 655         IVB_COLORS, \
 656         GEN9_DEFAULT_PAGE_SIZES
 657
 658 static const struct intel_device_info intel_broxton_info = {
 659         GEN9_LP_FEATURES,
 660         PLATFORM(INTEL_BROXTON),
 661         .ddb_size = 512,
 662 };
 663
 664 static const struct intel_device_info intel_geminilake_info = {
 665         GEN9_LP_FEATURES,
 666         PLATFORM(INTEL_GEMINILAKE),
 667         .ddb_size = 1024,
 668         GLK_COLORS,
 669 };
 670
 671 #define KBL_PLATFORM \
 672         GEN9_FEATURES, \
 673         PLATFORM(INTEL_KABYLAKE)
 674
 675 static const struct intel_device_info intel_kabylake_gt1_info = {
 676         KBL_PLATFORM,
 677         .gt = 1,
 678 };
 679
 680 static const struct intel_device_info intel_kabylake_gt2_info = {
 681         KBL_PLATFORM,
 682         .gt = 2,
 683 };
 684
 685 static const struct intel_device_info intel_kabylake_gt3_info = {
 686         KBL_PLATFORM,
 687         .gt = 3,
 688         .engine_mask =
 689                 BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
 690 };
 691
 692 #define CFL_PLATFORM \
 693         GEN9_FEATURES, \
 694         PLATFORM(INTEL_COFFEELAKE)
 695
 696 static const struct intel_device_info intel_coffeelake_gt1_info = {
 697         CFL_PLATFORM,
 698         .gt = 1,
 699 };
 700
 701 static const struct intel_device_info intel_coffeelake_gt2_info = {
 702         CFL_PLATFORM,
 703         .gt = 2,
 704 };
 705
 706 static const struct intel_device_info intel_coffeelake_gt3_info = {
 707         CFL_PLATFORM,
 708         .gt = 3,
 709         .engine_mask =
 710                 BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
 711 };
 712
 713 #define GEN10_FEATURES \
 714         GEN9_FEATURES, \
 715         GEN(10), \
 716         .ddb_size = 1024, \
 717         .has_coherent_ggtt = false, \
 718         GLK_COLORS
 719
 720 static const struct intel_device_info intel_cannonlake_info = {
 721         GEN10_FEATURES,
 722         PLATFORM(INTEL_CANNONLAKE),
 723         .gt = 2,
 724 };
 725
 726 #define GEN11_FEATURES \
 727         GEN10_FEATURES, \
 728         .pipe_offsets = { \
 729                 [TRANSCODER_A] = PIPE_A_OFFSET, \
 730                 [TRANSCODER_B] = PIPE_B_OFFSET, \
 731                 [TRANSCODER_C] = PIPE_C_OFFSET, \
 732                 [TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
 733                 [TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
 734                 [TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
 735         }, \
 736         .trans_offsets = { \
 737                 [TRANSCODER_A] = TRANSCODER_A_OFFSET, \
 738                 [TRANSCODER_B] = TRANSCODER_B_OFFSET, \
 739                 [TRANSCODER_C] = TRANSCODER_C_OFFSET, \
 740                 [TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
 741                 [TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
 742                 [TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
 743         }, \
 744         GEN(11), \
 745         .ddb_size = 2048, \
 746         .has_logical_ring_elsq = 1, \
 747         .color = { .degamma_lut_size = 33, .gamma_lut_size = 1024 }
 748
 749 static const struct intel_device_info intel_icelake_11_info = {
 750         GEN11_FEATURES,
 751         PLATFORM(INTEL_ICELAKE),
 752         .engine_mask =
 753                 BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
 754 };
 755
 756 static const struct intel_device_info intel_elkhartlake_info = {
 757         GEN11_FEATURES,
 758         PLATFORM(INTEL_ELKHARTLAKE),
 759         .is_alpha_support = 1,
 760         .engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0),
 761         .ppgtt_size = 36,
 762 };
 763
 764 #undef GEN
 765 #undef PLATFORM
 766
 767 /*
 768  * Make sure any device matches here are from most specific to most
 769  * general.  For example, since the Quanta match is based on the subsystem
 770  * and subvendor IDs, we need it to come before the more general IVB
 771  * PCI ID matches, otherwise we'll use the wrong info struct above.
 772  */
 773 static const struct pci_device_id pciidlist[] = {
 774         INTEL_I830_IDS(&intel_i830_info),
 775         INTEL_I845G_IDS(&intel_i845g_info),
 776         INTEL_I85X_IDS(&intel_i85x_info),
 777         INTEL_I865G_IDS(&intel_i865g_info),
 778         INTEL_I915G_IDS(&intel_i915g_info),
 779         INTEL_I915GM_IDS(&intel_i915gm_info),
 780         INTEL_I945G_IDS(&intel_i945g_info),
 781         INTEL_I945GM_IDS(&intel_i945gm_info),
 782         INTEL_I965G_IDS(&intel_i965g_info),
 783         INTEL_G33_IDS(&intel_g33_info),
 784         INTEL_I965GM_IDS(&intel_i965gm_info),
 785         INTEL_GM45_IDS(&intel_gm45_info),
 786         INTEL_G45_IDS(&intel_g45_info),
 787         INTEL_PINEVIEW_G_IDS(&intel_pineview_g_info),
 788         INTEL_PINEVIEW_M_IDS(&intel_pineview_m_info),
 789         INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info),
 790         INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info),
 791         INTEL_SNB_D_GT1_IDS(&intel_sandybridge_d_gt1_info),
 792         INTEL_SNB_D_GT2_IDS(&intel_sandybridge_d_gt2_info),
 793         INTEL_SNB_M_GT1_IDS(&intel_sandybridge_m_gt1_info),
 794         INTEL_SNB_M_GT2_IDS(&intel_sandybridge_m_gt2_info),
 795         INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */
 796         INTEL_IVB_M_GT1_IDS(&intel_ivybridge_m_gt1_info),
 797         INTEL_IVB_M_GT2_IDS(&intel_ivybridge_m_gt2_info),
 798         INTEL_IVB_D_GT1_IDS(&intel_ivybridge_d_gt1_info),
 799         INTEL_IVB_D_GT2_IDS(&intel_ivybridge_d_gt2_info),
 800         INTEL_HSW_GT1_IDS(&intel_haswell_gt1_info),
 801         INTEL_HSW_GT2_IDS(&intel_haswell_gt2_info),
 802         INTEL_HSW_GT3_IDS(&intel_haswell_gt3_info),
 803         INTEL_VLV_IDS(&intel_valleyview_info),
 804         INTEL_BDW_GT1_IDS(&intel_broadwell_gt1_info),
 805         INTEL_BDW_GT2_IDS(&intel_broadwell_gt2_info),
 806         INTEL_BDW_GT3_IDS(&intel_broadwell_gt3_info),
 807         INTEL_BDW_RSVD_IDS(&intel_broadwell_rsvd_info),
 808         INTEL_CHV_IDS(&intel_cherryview_info),
 809         INTEL_SKL_GT1_IDS(&intel_skylake_gt1_info),
 810         INTEL_SKL_GT2_IDS(&intel_skylake_gt2_info),
 811         INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info),
 812         INTEL_SKL_GT4_IDS(&intel_skylake_gt4_info),
 813         INTEL_BXT_IDS(&intel_broxton_info),
 814         INTEL_GLK_IDS(&intel_geminilake_info),
 815         INTEL_KBL_GT1_IDS(&intel_kabylake_gt1_info),
 816         INTEL_KBL_GT2_IDS(&intel_kabylake_gt2_info),
 817         INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info),
 818         INTEL_KBL_GT4_IDS(&intel_kabylake_gt3_info),
 819         INTEL_AML_KBL_GT2_IDS(&intel_kabylake_gt2_info),
 820         INTEL_CFL_S_GT1_IDS(&intel_coffeelake_gt1_info),
 821         INTEL_CFL_S_GT2_IDS(&intel_coffeelake_gt2_info),
 822         INTEL_CFL_H_GT1_IDS(&intel_coffeelake_gt1_info),
 823         INTEL_CFL_H_GT2_IDS(&intel_coffeelake_gt2_info),
 824         INTEL_CFL_U_GT2_IDS(&intel_coffeelake_gt2_info),
 825         INTEL_CFL_U_GT3_IDS(&intel_coffeelake_gt3_info),
 826         INTEL_WHL_U_GT1_IDS(&intel_coffeelake_gt1_info),
 827         INTEL_WHL_U_GT2_IDS(&intel_coffeelake_gt2_info),
 828         INTEL_AML_CFL_GT2_IDS(&intel_coffeelake_gt2_info),
 829         INTEL_WHL_U_GT3_IDS(&intel_coffeelake_gt3_info),
 830         INTEL_CML_GT1_IDS(&intel_coffeelake_gt1_info),
 831         INTEL_CML_GT2_IDS(&intel_coffeelake_gt2_info),
 832         INTEL_CNL_IDS(&intel_cannonlake_info),
 833         INTEL_ICL_11_IDS(&intel_icelake_11_info),
 834         INTEL_EHL_IDS(&intel_elkhartlake_info),
 835         {0, 0, 0}
 836 };
 837 MODULE_DEVICE_TABLE(pci, pciidlist);
 838
 839 static void i915_pci_remove(struct pci_dev *pdev)
 840 {
 841         struct drm_device *dev;
 842
 843         dev = pci_get_drvdata(pdev);
 844         if (!dev) /* driver load aborted, nothing to cleanup */
 845                 return;
 846
 847         i915_driver_unload(dev);
 848         drm_dev_put(dev);
 849
 850         pci_set_drvdata(pdev, NULL);
 851 }
 852
 853 static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 854 {
 855         struct intel_device_info *intel_info =
 856                 (struct intel_device_info *) ent->driver_data;
 857         int err;
 858
 859         if (IS_ALPHA_SUPPORT(intel_info) && !i915_modparams.alpha_support) {
 860                 DRM_INFO("The driver support for your hardware in this kernel version is alpha quality\n"
 861                          "See CONFIG_DRM_I915_ALPHA_SUPPORT or i915.alpha_support module parameter\n"
 862                          "to enable support in this kernel version, or check for kernel updates.\n");
 863                 return -ENODEV;
 864         }
 865
 866         /* Only bind to function 0 of the device. Early generations
 867          * used function 1 as a placeholder for multi-head. This causes
 868          * us confusion instead, especially on the systems where both
 869          * functions have the same PCI-ID!
 870          */
 871         if (PCI_FUNC(pdev->devfn))
 872                 return -ENODEV;
 873
 874         /*
 875          * apple-gmux is needed on dual GPU MacBook Pro
 876          * to probe the panel if we're the inactive GPU.
 877          */
 878         if (vga_switcheroo_client_probe_defer(pdev))
 879                 return -EPROBE_DEFER;
 880
 881         err = i915_driver_load(pdev, ent);
 882         if (err)
 883                 return err;
 884
 885         if (i915_inject_load_failure()) {
 886                 i915_pci_remove(pdev);
 887                 return -ENODEV;
 888         }
 889
 890         err = i915_live_selftests(pdev);
 891         if (err) {
 892                 i915_pci_remove(pdev);
 893                 return err > 0 ? -ENOTTY : err;
 894         }
 895
 896         return 0;
 897 }
 898
 899 static struct pci_driver i915_pci_driver = {
 900         .name = DRIVER_NAME,
 901         .id_table = pciidlist,
 902         .probe = i915_pci_probe,
 903         .remove = i915_pci_remove,
 904         .driver.pm = &i915_pm_ops,
 905 };
 906
 907 static int __init i915_init(void)
 908 {
 909         bool use_kms = true;
 910         int err;
 911
 912         err = i915_globals_init();
 913         if (err)
 914                 return err;
 915
 916         err = i915_mock_selftests();
 917         if (err)
 918                 return err > 0 ? 0 : err;
 919
 920         /*
 921          * Enable KMS by default, unless explicitly overriden by
 922          * either the i915.modeset prarameter or by the
 923          * vga_text_mode_force boot option.
 924          */
 925
 926         if (i915_modparams.modeset == 0)
 927                 use_kms = false;
 928
 929         if (vgacon_text_force() && i915_modparams.modeset == -1)
 930                 use_kms = false;
 931
 932         if (!use_kms) {
 933                 /* Silently fail loading to not upset userspace. */
 934                 DRM_DEBUG_DRIVER("KMS disabled.\n");
 935                 return 0;
 936         }
 937
 938         return pci_register_driver(&i915_pci_driver);
 939 }
 940
 941 static void __exit i915_exit(void)
 942 {
 943         if (!i915_pci_driver.driver.owner)
 944                 return;
 945
 946         pci_unregister_driver(&i915_pci_driver);
 947         i915_globals_exit();
 948 }
 949
 950 module_init(i915_init);
 951 module_exit(i915_exit);
 952
 953 MODULE_AUTHOR("Tungsten Graphics, Inc.");
 954 MODULE_AUTHOR("Intel Corporation");
 955
 956 MODULE_DESCRIPTION(DRIVER_DESC);
 957 MODULE_LICENSE("GPL and additional rights");