linux/drivers/gpu/drm/i915/i915_pci.c
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   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
 183static const struct intel_device_info intel_i830_info = {
 184        I830_FEATURES,
 185        PLATFORM(INTEL_I830),
 186};
 187
 188static const struct intel_device_info intel_i845g_info = {
 189        I845_FEATURES,
 190        PLATFORM(INTEL_I845G),
 191};
 192
 193static const struct intel_device_info intel_i85x_info = {
 194        I830_FEATURES,
 195        PLATFORM(INTEL_I85X),
 196        .display.has_fbc = 1,
 197};
 198
 199static 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
 217static 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
 228static 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
 241static 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
 252static 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
 266static 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
 273static 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
 280static 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
 302static 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
 310static 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
 321static 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
 328static 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
 352static const struct intel_device_info intel_ironlake_d_info = {
 353        GEN5_FEATURES,
 354        PLATFORM(INTEL_IRONLAKE),
 355};
 356
 357static 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
 386static const struct intel_device_info intel_sandybridge_d_gt1_info = {
 387        SNB_D_PLATFORM,
 388        .gt = 1,
 389};
 390
 391static 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
 402static const struct intel_device_info intel_sandybridge_m_gt1_info = {
 403        SNB_M_PLATFORM,
 404        .gt = 1,
 405};
 406
 407static 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
 435static const struct intel_device_info intel_ivybridge_d_gt1_info = {
 436        IVB_D_PLATFORM,
 437        .gt = 1,
 438};
 439
 440static 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
 451static const struct intel_device_info intel_ivybridge_m_gt1_info = {
 452        IVB_M_PLATFORM,
 453        .gt = 1,
 454};
 455
 456static const struct intel_device_info intel_ivybridge_m_gt2_info = {
 457        IVB_M_PLATFORM,
 458        .gt = 2,
 459};
 460
 461static 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
 469static 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
 507static const struct intel_device_info intel_haswell_gt1_info = {
 508        HSW_PLATFORM,
 509        .gt = 1,
 510};
 511
 512static const struct intel_device_info intel_haswell_gt2_info = {
 513        HSW_PLATFORM,
 514        .gt = 2,
 515};
 516
 517static 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
 535static const struct intel_device_info intel_broadwell_gt1_info = {
 536        BDW_PLATFORM,
 537        .gt = 1,
 538};
 539
 540static const struct intel_device_info intel_broadwell_gt2_info = {
 541        BDW_PLATFORM,
 542        .gt = 2,
 543};
 544
 545static 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
 553static 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
 560static 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
 603static const struct intel_device_info intel_skylake_gt1_info = {
 604        SKL_PLATFORM,
 605        .gt = 1,
 606};
 607
 608static 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
 619static const struct intel_device_info intel_skylake_gt3_info = {
 620        SKL_GT3_PLUS_PLATFORM,
 621        .gt = 3,
 622};
 623
 624static 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
 659static const struct intel_device_info intel_broxton_info = {
 660        GEN9_LP_FEATURES,
 661        PLATFORM(INTEL_BROXTON),
 662        .ddb_size = 512,
 663};
 664
 665static 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
 676static const struct intel_device_info intel_kabylake_gt1_info = {
 677        KBL_PLATFORM,
 678        .gt = 1,
 679};
 680
 681static const struct intel_device_info intel_kabylake_gt2_info = {
 682        KBL_PLATFORM,
 683        .gt = 2,
 684};
 685
 686static 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
 697static const struct intel_device_info intel_coffeelake_gt1_info = {
 698        CFL_PLATFORM,
 699        .gt = 1,
 700};
 701
 702static const struct intel_device_info intel_coffeelake_gt2_info = {
 703        CFL_PLATFORM,
 704        .gt = 2,
 705};
 706
 707static 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
 721static 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
 756static 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
 763static 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
 792static 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 */
 811static 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};
 876MODULE_DEVICE_TABLE(pci, pciidlist);
 877
 878static 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 */
 893static 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
 930static 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
 979static 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
 987static 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
1021static 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
1030module_init(i915_init);
1031module_exit(i915_exit);
1032
1033MODULE_AUTHOR("Tungsten Graphics, Inc.");
1034MODULE_AUTHOR("Intel Corporation");
1035
1036MODULE_DESCRIPTION(DRIVER_DESC);
1037MODULE_LICENSE("GPL and additional rights");
1038