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 "i915_drv.h"
  30 #include "i915_selftest.h"
  31
  32 #define PLATFORM(x) .platform = (x), .platform_mask = BIT(x)
  33 #define GEN(x) .gen = (x), .gen_mask = BIT((x) - 1)
  34
  35 #define GEN_DEFAULT_PIPEOFFSETS \
  36         .pipe_offsets = { PIPE_A_OFFSET, PIPE_B_OFFSET, \
  37                           PIPE_C_OFFSET, PIPE_EDP_OFFSET }, \
  38         .trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \
  39                            TRANSCODER_C_OFFSET, TRANSCODER_EDP_OFFSET }, \
  40         .palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET }
  41
  42 #define GEN_CHV_PIPEOFFSETS \
  43         .pipe_offsets = { PIPE_A_OFFSET, PIPE_B_OFFSET, \
  44                           CHV_PIPE_C_OFFSET }, \
  45         .trans_offsets = { TRANSCODER_A_OFFSET, TRANSCODER_B_OFFSET, \
  46                            CHV_TRANSCODER_C_OFFSET, }, \
  47         .palette_offsets = { PALETTE_A_OFFSET, PALETTE_B_OFFSET, \
  48                              CHV_PALETTE_C_OFFSET }
  49
  50 #define CURSOR_OFFSETS \
  51         .cursor_offsets = { CURSOR_A_OFFSET, CURSOR_B_OFFSET, CHV_CURSOR_C_OFFSET }
  52
  53 #define IVB_CURSOR_OFFSETS \
  54         .cursor_offsets = { CURSOR_A_OFFSET, IVB_CURSOR_B_OFFSET, IVB_CURSOR_C_OFFSET }
  55
  56 #define BDW_COLORS \
  57         .color = { .degamma_lut_size = 512, .gamma_lut_size = 512 }
  58 #define CHV_COLORS \
  59         .color = { .degamma_lut_size = 65, .gamma_lut_size = 257 }
  60 #define GLK_COLORS \
  61         .color = { .degamma_lut_size = 0, .gamma_lut_size = 1024 }
  62
  63 /* Keep in gen based order, and chronological order within a gen */
  64
  65 #define GEN_DEFAULT_PAGE_SIZES \
  66         .page_sizes = I915_GTT_PAGE_SIZE_4K
  67
  68 #define GEN2_FEATURES \
  69         GEN(2), \
  70         .num_pipes = 1, \
  71         .has_overlay = 1, .overlay_needs_physical = 1, \
  72         .has_gmch_display = 1, \
  73         .hws_needs_physical = 1, \
  74         .unfenced_needs_alignment = 1, \
  75         .ring_mask = RENDER_RING, \
  76         .has_snoop = true, \
  77         GEN_DEFAULT_PIPEOFFSETS, \
  78         GEN_DEFAULT_PAGE_SIZES, \
  79         CURSOR_OFFSETS
  80
  81 static const struct intel_device_info intel_i830_info = {
  82         GEN2_FEATURES,
  83         PLATFORM(INTEL_I830),
  84         .is_mobile = 1, .cursor_needs_physical = 1,
  85         .num_pipes = 2, /* legal, last one wins */
  86 };
  87
  88 static const struct intel_device_info intel_i845g_info = {
  89         GEN2_FEATURES,
  90         PLATFORM(INTEL_I845G),
  91 };
  92
  93 static const struct intel_device_info intel_i85x_info = {
  94         GEN2_FEATURES,
  95         PLATFORM(INTEL_I85X),
  96         .is_mobile = 1,
  97         .num_pipes = 2, /* legal, last one wins */
  98         .cursor_needs_physical = 1,
  99         .has_fbc = 1,
 100 };
 101
 102 static const struct intel_device_info intel_i865g_info = {
 103         GEN2_FEATURES,
 104         PLATFORM(INTEL_I865G),
 105 };
 106
 107 #define GEN3_FEATURES \
 108         GEN(3), \
 109         .num_pipes = 2, \
 110         .has_gmch_display = 1, \
 111         .ring_mask = RENDER_RING, \
 112         .has_snoop = true, \
 113         GEN_DEFAULT_PIPEOFFSETS, \
 114         GEN_DEFAULT_PAGE_SIZES, \
 115         CURSOR_OFFSETS
 116
 117 static const struct intel_device_info intel_i915g_info = {
 118         GEN3_FEATURES,
 119         PLATFORM(INTEL_I915G),
 120         .cursor_needs_physical = 1,
 121         .has_overlay = 1, .overlay_needs_physical = 1,
 122         .hws_needs_physical = 1,
 123         .unfenced_needs_alignment = 1,
 124 };
 125
 126 static const struct intel_device_info intel_i915gm_info = {
 127         GEN3_FEATURES,
 128         PLATFORM(INTEL_I915GM),
 129         .is_mobile = 1,
 130         .cursor_needs_physical = 1,
 131         .has_overlay = 1, .overlay_needs_physical = 1,
 132         .supports_tv = 1,
 133         .has_fbc = 1,
 134         .hws_needs_physical = 1,
 135         .unfenced_needs_alignment = 1,
 136 };
 137
 138 static const struct intel_device_info intel_i945g_info = {
 139         GEN3_FEATURES,
 140         PLATFORM(INTEL_I945G),
 141         .has_hotplug = 1, .cursor_needs_physical = 1,
 142         .has_overlay = 1, .overlay_needs_physical = 1,
 143         .hws_needs_physical = 1,
 144         .unfenced_needs_alignment = 1,
 145 };
 146
 147 static const struct intel_device_info intel_i945gm_info = {
 148         GEN3_FEATURES,
 149         PLATFORM(INTEL_I945GM),
 150         .is_mobile = 1,
 151         .has_hotplug = 1, .cursor_needs_physical = 1,
 152         .has_overlay = 1, .overlay_needs_physical = 1,
 153         .supports_tv = 1,
 154         .has_fbc = 1,
 155         .hws_needs_physical = 1,
 156         .unfenced_needs_alignment = 1,
 157 };
 158
 159 static const struct intel_device_info intel_g33_info = {
 160         GEN3_FEATURES,
 161         PLATFORM(INTEL_G33),
 162         .has_hotplug = 1,
 163         .has_overlay = 1,
 164 };
 165
 166 static const struct intel_device_info intel_pineview_info = {
 167         GEN3_FEATURES,
 168         PLATFORM(INTEL_PINEVIEW),
 169         .is_mobile = 1,
 170         .has_hotplug = 1,
 171         .has_overlay = 1,
 172 };
 173
 174 #define GEN4_FEATURES \
 175         GEN(4), \
 176         .num_pipes = 2, \
 177         .has_hotplug = 1, \
 178         .has_gmch_display = 1, \
 179         .ring_mask = RENDER_RING, \
 180         .has_snoop = true, \
 181         GEN_DEFAULT_PIPEOFFSETS, \
 182         GEN_DEFAULT_PAGE_SIZES, \
 183         CURSOR_OFFSETS
 184
 185 static const struct intel_device_info intel_i965g_info = {
 186         GEN4_FEATURES,
 187         PLATFORM(INTEL_I965G),
 188         .has_overlay = 1,
 189         .hws_needs_physical = 1,
 190         .has_snoop = false,
 191 };
 192
 193 static const struct intel_device_info intel_i965gm_info = {
 194         GEN4_FEATURES,
 195         PLATFORM(INTEL_I965GM),
 196         .is_mobile = 1, .has_fbc = 1,
 197         .has_overlay = 1,
 198         .supports_tv = 1,
 199         .hws_needs_physical = 1,
 200         .has_snoop = false,
 201 };
 202
 203 static const struct intel_device_info intel_g45_info = {
 204         GEN4_FEATURES,
 205         PLATFORM(INTEL_G45),
 206         .ring_mask = RENDER_RING | BSD_RING,
 207 };
 208
 209 static const struct intel_device_info intel_gm45_info = {
 210         GEN4_FEATURES,
 211         PLATFORM(INTEL_GM45),
 212         .is_mobile = 1, .has_fbc = 1,
 213         .supports_tv = 1,
 214         .ring_mask = RENDER_RING | BSD_RING,
 215 };
 216
 217 #define GEN5_FEATURES \
 218         GEN(5), \
 219         .num_pipes = 2, \
 220         .has_hotplug = 1, \
 221         .ring_mask = RENDER_RING | BSD_RING, \
 222         .has_snoop = true, \
 223         /* ilk does support rc6, but we do not implement [power] contexts */ \
 224         .has_rc6 = 0, \
 225         GEN_DEFAULT_PIPEOFFSETS, \
 226         GEN_DEFAULT_PAGE_SIZES, \
 227         CURSOR_OFFSETS
 228
 229 static const struct intel_device_info intel_ironlake_d_info = {
 230         GEN5_FEATURES,
 231         PLATFORM(INTEL_IRONLAKE),
 232 };
 233
 234 static const struct intel_device_info intel_ironlake_m_info = {
 235         GEN5_FEATURES,
 236         PLATFORM(INTEL_IRONLAKE),
 237         .is_mobile = 1, .has_fbc = 1,
 238 };
 239
 240 #define GEN6_FEATURES \
 241         GEN(6), \
 242         .num_pipes = 2, \
 243         .has_hotplug = 1, \
 244         .has_fbc = 1, \
 245         .ring_mask = RENDER_RING | BSD_RING | BLT_RING, \
 246         .has_llc = 1, \
 247         .has_rc6 = 1, \
 248         .has_rc6p = 1, \
 249         .has_aliasing_ppgtt = 1, \
 250         GEN_DEFAULT_PIPEOFFSETS, \
 251         GEN_DEFAULT_PAGE_SIZES, \
 252         CURSOR_OFFSETS
 253
 254 #define SNB_D_PLATFORM \
 255         GEN6_FEATURES, \
 256         PLATFORM(INTEL_SANDYBRIDGE)
 257
 258 static const struct intel_device_info intel_sandybridge_d_gt1_info = {
 259         SNB_D_PLATFORM,
 260         .gt = 1,
 261 };
 262
 263 static const struct intel_device_info intel_sandybridge_d_gt2_info = {
 264         SNB_D_PLATFORM,
 265         .gt = 2,
 266 };
 267
 268 #define SNB_M_PLATFORM \
 269         GEN6_FEATURES, \
 270         PLATFORM(INTEL_SANDYBRIDGE), \
 271         .is_mobile = 1
 272
 273
 274 static const struct intel_device_info intel_sandybridge_m_gt1_info = {
 275         SNB_M_PLATFORM,
 276         .gt = 1,
 277 };
 278
 279 static const struct intel_device_info intel_sandybridge_m_gt2_info = {
 280         SNB_M_PLATFORM,
 281         .gt = 2,
 282 };
 283
 284 #define GEN7_FEATURES  \
 285         GEN(7), \
 286         .num_pipes = 3, \
 287         .has_hotplug = 1, \
 288         .has_fbc = 1, \
 289         .ring_mask = RENDER_RING | BSD_RING | BLT_RING, \
 290         .has_llc = 1, \
 291         .has_rc6 = 1, \
 292         .has_rc6p = 1, \
 293         .has_aliasing_ppgtt = 1, \
 294         .has_full_ppgtt = 1, \
 295         GEN_DEFAULT_PIPEOFFSETS, \
 296         GEN_DEFAULT_PAGE_SIZES, \
 297         IVB_CURSOR_OFFSETS
 298
 299 #define IVB_D_PLATFORM \
 300         GEN7_FEATURES, \
 301         PLATFORM(INTEL_IVYBRIDGE), \
 302         .has_l3_dpf = 1
 303
 304 static const struct intel_device_info intel_ivybridge_d_gt1_info = {
 305         IVB_D_PLATFORM,
 306         .gt = 1,
 307 };
 308
 309 static const struct intel_device_info intel_ivybridge_d_gt2_info = {
 310         IVB_D_PLATFORM,
 311         .gt = 2,
 312 };
 313
 314 #define IVB_M_PLATFORM \
 315         GEN7_FEATURES, \
 316         PLATFORM(INTEL_IVYBRIDGE), \
 317         .is_mobile = 1, \
 318         .has_l3_dpf = 1
 319
 320 static const struct intel_device_info intel_ivybridge_m_gt1_info = {
 321         IVB_M_PLATFORM,
 322         .gt = 1,
 323 };
 324
 325 static const struct intel_device_info intel_ivybridge_m_gt2_info = {
 326         IVB_M_PLATFORM,
 327         .gt = 2,
 328 };
 329
 330 static const struct intel_device_info intel_ivybridge_q_info = {
 331         GEN7_FEATURES,
 332         PLATFORM(INTEL_IVYBRIDGE),
 333         .gt = 2,
 334         .num_pipes = 0, /* legal, last one wins */
 335         .has_l3_dpf = 1,
 336 };
 337
 338 static const struct intel_device_info intel_valleyview_info = {
 339         PLATFORM(INTEL_VALLEYVIEW),
 340         GEN(7),
 341         .is_lp = 1,
 342         .num_pipes = 2,
 343         .has_runtime_pm = 1,
 344         .has_rc6 = 1,
 345         .has_gmch_display = 1,
 346         .has_hotplug = 1,
 347         .has_aliasing_ppgtt = 1,
 348         .has_full_ppgtt = 1,
 349         .has_snoop = true,
 350         .ring_mask = RENDER_RING | BSD_RING | BLT_RING,
 351         .display_mmio_offset = VLV_DISPLAY_BASE,
 352         GEN_DEFAULT_PAGE_SIZES,
 353         GEN_DEFAULT_PIPEOFFSETS,
 354         CURSOR_OFFSETS
 355 };
 356
 357 #define G75_FEATURES  \
 358         GEN7_FEATURES, \
 359         .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, \
 360         .has_ddi = 1, \
 361         .has_fpga_dbg = 1, \
 362         .has_psr = 1, \
 363         .has_resource_streamer = 1, \
 364         .has_dp_mst = 1, \
 365         .has_rc6p = 0 /* RC6p removed-by HSW */, \
 366         .has_runtime_pm = 1
 367
 368 #define HSW_PLATFORM \
 369         G75_FEATURES, \
 370         PLATFORM(INTEL_HASWELL), \
 371         .has_l3_dpf = 1
 372
 373 static const struct intel_device_info intel_haswell_gt1_info = {
 374         HSW_PLATFORM,
 375         .gt = 1,
 376 };
 377
 378 static const struct intel_device_info intel_haswell_gt2_info = {
 379         HSW_PLATFORM,
 380         .gt = 2,
 381 };
 382
 383 static const struct intel_device_info intel_haswell_gt3_info = {
 384         HSW_PLATFORM,
 385         .gt = 3,
 386 };
 387
 388 #define GEN8_FEATURES \
 389         G75_FEATURES, \
 390         GEN(8), \
 391         BDW_COLORS, \
 392         .page_sizes = I915_GTT_PAGE_SIZE_4K | \
 393                       I915_GTT_PAGE_SIZE_2M, \
 394         .has_logical_ring_contexts = 1, \
 395         .has_full_48bit_ppgtt = 1, \
 396         .has_64bit_reloc = 1, \
 397         .has_reset_engine = 1
 398
 399 #define BDW_PLATFORM \
 400         GEN8_FEATURES, \
 401         PLATFORM(INTEL_BROADWELL)
 402
 403 static const struct intel_device_info intel_broadwell_gt1_info = {
 404         BDW_PLATFORM,
 405         .gt = 1,
 406 };
 407
 408 static const struct intel_device_info intel_broadwell_gt2_info = {
 409         BDW_PLATFORM,
 410         .gt = 2,
 411 };
 412
 413 static const struct intel_device_info intel_broadwell_rsvd_info = {
 414         BDW_PLATFORM,
 415         .gt = 3,
 416         /* According to the device ID those devices are GT3, they were
 417          * previously treated as not GT3, keep it like that.
 418          */
 419 };
 420
 421 static const struct intel_device_info intel_broadwell_gt3_info = {
 422         BDW_PLATFORM,
 423         .gt = 3,
 424         .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
 425 };
 426
 427 static const struct intel_device_info intel_cherryview_info = {
 428         PLATFORM(INTEL_CHERRYVIEW),
 429         GEN(8),
 430         .num_pipes = 3,
 431         .has_hotplug = 1,
 432         .is_lp = 1,
 433         .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING,
 434         .has_64bit_reloc = 1,
 435         .has_runtime_pm = 1,
 436         .has_resource_streamer = 1,
 437         .has_rc6 = 1,
 438         .has_logical_ring_contexts = 1,
 439         .has_gmch_display = 1,
 440         .has_aliasing_ppgtt = 1,
 441         .has_full_ppgtt = 1,
 442         .has_reset_engine = 1,
 443         .has_snoop = true,
 444         .display_mmio_offset = VLV_DISPLAY_BASE,
 445         GEN_DEFAULT_PAGE_SIZES,
 446         GEN_CHV_PIPEOFFSETS,
 447         CURSOR_OFFSETS,
 448         CHV_COLORS,
 449 };
 450
 451 #define GEN9_DEFAULT_PAGE_SIZES \
 452         .page_sizes = I915_GTT_PAGE_SIZE_4K | \
 453                       I915_GTT_PAGE_SIZE_64K | \
 454                       I915_GTT_PAGE_SIZE_2M
 455
 456 #define GEN9_FEATURES \
 457         GEN8_FEATURES, \
 458         GEN(9), \
 459         GEN9_DEFAULT_PAGE_SIZES, \
 460         .has_logical_ring_preemption = 1, \
 461         .has_csr = 1, \
 462         .has_guc = 1, \
 463         .has_ipc = 1, \
 464         .ddb_size = 896
 465
 466 #define SKL_PLATFORM \
 467         GEN9_FEATURES, \
 468         PLATFORM(INTEL_SKYLAKE)
 469
 470 static const struct intel_device_info intel_skylake_gt1_info = {
 471         SKL_PLATFORM,
 472         .gt = 1,
 473 };
 474
 475 static const struct intel_device_info intel_skylake_gt2_info = {
 476         SKL_PLATFORM,
 477         .gt = 2,
 478 };
 479
 480 #define SKL_GT3_PLUS_PLATFORM \
 481         SKL_PLATFORM, \
 482         .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING
 483
 484
 485 static const struct intel_device_info intel_skylake_gt3_info = {
 486         SKL_GT3_PLUS_PLATFORM,
 487         .gt = 3,
 488 };
 489
 490 static const struct intel_device_info intel_skylake_gt4_info = {
 491         SKL_GT3_PLUS_PLATFORM,
 492         .gt = 4,
 493 };
 494
 495 #define GEN9_LP_FEATURES \
 496         GEN(9), \
 497         .is_lp = 1, \
 498         .has_hotplug = 1, \
 499         .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING, \
 500         .num_pipes = 3, \
 501         .has_64bit_reloc = 1, \
 502         .has_ddi = 1, \
 503         .has_fpga_dbg = 1, \
 504         .has_fbc = 1, \
 505         .has_psr = 1, \
 506         .has_runtime_pm = 1, \
 507         .has_pooled_eu = 0, \
 508         .has_csr = 1, \
 509         .has_resource_streamer = 1, \
 510         .has_rc6 = 1, \
 511         .has_dp_mst = 1, \
 512         .has_logical_ring_contexts = 1, \
 513         .has_logical_ring_preemption = 1, \
 514         .has_guc = 1, \
 515         .has_aliasing_ppgtt = 1, \
 516         .has_full_ppgtt = 1, \
 517         .has_full_48bit_ppgtt = 1, \
 518         .has_reset_engine = 1, \
 519         .has_snoop = true, \
 520         .has_ipc = 1, \
 521         GEN9_DEFAULT_PAGE_SIZES, \
 522         GEN_DEFAULT_PIPEOFFSETS, \
 523         IVB_CURSOR_OFFSETS, \
 524         BDW_COLORS
 525
 526 static const struct intel_device_info intel_broxton_info = {
 527         GEN9_LP_FEATURES,
 528         PLATFORM(INTEL_BROXTON),
 529         .ddb_size = 512,
 530 };
 531
 532 static const struct intel_device_info intel_geminilake_info = {
 533         GEN9_LP_FEATURES,
 534         PLATFORM(INTEL_GEMINILAKE),
 535         .ddb_size = 1024,
 536         GLK_COLORS,
 537 };
 538
 539 #define KBL_PLATFORM \
 540         GEN9_FEATURES, \
 541         PLATFORM(INTEL_KABYLAKE)
 542
 543 static const struct intel_device_info intel_kabylake_gt1_info = {
 544         KBL_PLATFORM,
 545         .gt = 1,
 546 };
 547
 548 static const struct intel_device_info intel_kabylake_gt2_info = {
 549         KBL_PLATFORM,
 550         .gt = 2,
 551 };
 552
 553 static const struct intel_device_info intel_kabylake_gt3_info = {
 554         KBL_PLATFORM,
 555         .gt = 3,
 556         .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
 557 };
 558
 559 #define CFL_PLATFORM \
 560         GEN9_FEATURES, \
 561         PLATFORM(INTEL_COFFEELAKE)
 562
 563 static const struct intel_device_info intel_coffeelake_gt1_info = {
 564         CFL_PLATFORM,
 565         .gt = 1,
 566 };
 567
 568 static const struct intel_device_info intel_coffeelake_gt2_info = {
 569         CFL_PLATFORM,
 570         .gt = 2,
 571 };
 572
 573 static const struct intel_device_info intel_coffeelake_gt3_info = {
 574         CFL_PLATFORM,
 575         .gt = 3,
 576         .ring_mask = RENDER_RING | BSD_RING | BLT_RING | VEBOX_RING | BSD2_RING,
 577 };
 578
 579 #define GEN10_FEATURES \
 580         GEN9_FEATURES, \
 581         GEN(10), \
 582         .ddb_size = 1024, \
 583         GLK_COLORS
 584
 585 static const struct intel_device_info intel_cannonlake_info = {
 586         GEN10_FEATURES,
 587         PLATFORM(INTEL_CANNONLAKE),
 588         .gt = 2,
 589 };
 590
 591 #define GEN11_FEATURES \
 592         GEN10_FEATURES, \
 593         GEN(11), \
 594         .ddb_size = 2048, \
 595         .has_logical_ring_elsq = 1
 596
 597 static const struct intel_device_info intel_icelake_11_info = {
 598         GEN11_FEATURES,
 599         PLATFORM(INTEL_ICELAKE),
 600         .is_alpha_support = 1,
 601         .has_resource_streamer = 0,
 602         .ring_mask = RENDER_RING | BLT_RING | VEBOX_RING | BSD_RING | BSD3_RING,
 603 };
 604
 605 #undef GEN
 606 #undef PLATFORM
 607
 608 /*
 609  * Make sure any device matches here are from most specific to most
 610  * general.  For example, since the Quanta match is based on the subsystem
 611  * and subvendor IDs, we need it to come before the more general IVB
 612  * PCI ID matches, otherwise we'll use the wrong info struct above.
 613  */
 614 static const struct pci_device_id pciidlist[] = {
 615         INTEL_I830_IDS(&intel_i830_info),
 616         INTEL_I845G_IDS(&intel_i845g_info),
 617         INTEL_I85X_IDS(&intel_i85x_info),
 618         INTEL_I865G_IDS(&intel_i865g_info),
 619         INTEL_I915G_IDS(&intel_i915g_info),
 620         INTEL_I915GM_IDS(&intel_i915gm_info),
 621         INTEL_I945G_IDS(&intel_i945g_info),
 622         INTEL_I945GM_IDS(&intel_i945gm_info),
 623         INTEL_I965G_IDS(&intel_i965g_info),
 624         INTEL_G33_IDS(&intel_g33_info),
 625         INTEL_I965GM_IDS(&intel_i965gm_info),
 626         INTEL_GM45_IDS(&intel_gm45_info),
 627         INTEL_G45_IDS(&intel_g45_info),
 628         INTEL_PINEVIEW_IDS(&intel_pineview_info),
 629         INTEL_IRONLAKE_D_IDS(&intel_ironlake_d_info),
 630         INTEL_IRONLAKE_M_IDS(&intel_ironlake_m_info),
 631         INTEL_SNB_D_GT1_IDS(&intel_sandybridge_d_gt1_info),
 632         INTEL_SNB_D_GT2_IDS(&intel_sandybridge_d_gt2_info),
 633         INTEL_SNB_M_GT1_IDS(&intel_sandybridge_m_gt1_info),
 634         INTEL_SNB_M_GT2_IDS(&intel_sandybridge_m_gt2_info),
 635         INTEL_IVB_Q_IDS(&intel_ivybridge_q_info), /* must be first IVB */
 636         INTEL_IVB_M_GT1_IDS(&intel_ivybridge_m_gt1_info),
 637         INTEL_IVB_M_GT2_IDS(&intel_ivybridge_m_gt2_info),
 638         INTEL_IVB_D_GT1_IDS(&intel_ivybridge_d_gt1_info),
 639         INTEL_IVB_D_GT2_IDS(&intel_ivybridge_d_gt2_info),
 640         INTEL_HSW_GT1_IDS(&intel_haswell_gt1_info),
 641         INTEL_HSW_GT2_IDS(&intel_haswell_gt2_info),
 642         INTEL_HSW_GT3_IDS(&intel_haswell_gt3_info),
 643         INTEL_VLV_IDS(&intel_valleyview_info),
 644         INTEL_BDW_GT1_IDS(&intel_broadwell_gt1_info),
 645         INTEL_BDW_GT2_IDS(&intel_broadwell_gt2_info),
 646         INTEL_BDW_GT3_IDS(&intel_broadwell_gt3_info),
 647         INTEL_BDW_RSVD_IDS(&intel_broadwell_rsvd_info),
 648         INTEL_CHV_IDS(&intel_cherryview_info),
 649         INTEL_SKL_GT1_IDS(&intel_skylake_gt1_info),
 650         INTEL_SKL_GT2_IDS(&intel_skylake_gt2_info),
 651         INTEL_SKL_GT3_IDS(&intel_skylake_gt3_info),
 652         INTEL_SKL_GT4_IDS(&intel_skylake_gt4_info),
 653         INTEL_BXT_IDS(&intel_broxton_info),
 654         INTEL_GLK_IDS(&intel_geminilake_info),
 655         INTEL_KBL_GT1_IDS(&intel_kabylake_gt1_info),
 656         INTEL_KBL_GT2_IDS(&intel_kabylake_gt2_info),
 657         INTEL_KBL_GT3_IDS(&intel_kabylake_gt3_info),
 658         INTEL_KBL_GT4_IDS(&intel_kabylake_gt3_info),
 659         INTEL_AML_GT2_IDS(&intel_kabylake_gt2_info),
 660         INTEL_CFL_S_GT1_IDS(&intel_coffeelake_gt1_info),
 661         INTEL_CFL_S_GT2_IDS(&intel_coffeelake_gt2_info),
 662         INTEL_CFL_H_GT2_IDS(&intel_coffeelake_gt2_info),
 663         INTEL_CFL_U_GT2_IDS(&intel_coffeelake_gt2_info),
 664         INTEL_CFL_U_GT3_IDS(&intel_coffeelake_gt3_info),
 665         INTEL_WHL_U_GT1_IDS(&intel_coffeelake_gt1_info),
 666         INTEL_WHL_U_GT2_IDS(&intel_coffeelake_gt2_info),
 667         INTEL_WHL_U_GT3_IDS(&intel_coffeelake_gt3_info),
 668         INTEL_CNL_IDS(&intel_cannonlake_info),
 669         INTEL_ICL_11_IDS(&intel_icelake_11_info),
 670         {0, 0, 0}
 671 };
 672 MODULE_DEVICE_TABLE(pci, pciidlist);
 673
 674 static void i915_pci_remove(struct pci_dev *pdev)
 675 {
 676         struct drm_device *dev;
 677
 678         dev = pci_get_drvdata(pdev);
 679         if (!dev) /* driver load aborted, nothing to cleanup */
 680                 return;
 681
 682         i915_driver_unload(dev);
 683         drm_dev_put(dev);
 684
 685         pci_set_drvdata(pdev, NULL);
 686 }
 687
 688 static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
 689 {
 690         struct intel_device_info *intel_info =
 691                 (struct intel_device_info *) ent->driver_data;
 692         int err;
 693
 694         if (IS_ALPHA_SUPPORT(intel_info) && !i915_modparams.alpha_support) {
 695                 DRM_INFO("The driver support for your hardware in this kernel version is alpha quality\n"
 696                          "See CONFIG_DRM_I915_ALPHA_SUPPORT or i915.alpha_support module parameter\n"
 697                          "to enable support in this kernel version, or check for kernel updates.\n");
 698                 return -ENODEV;
 699         }
 700
 701         /* Only bind to function 0 of the device. Early generations
 702          * used function 1 as a placeholder for multi-head. This causes
 703          * us confusion instead, especially on the systems where both
 704          * functions have the same PCI-ID!
 705          */
 706         if (PCI_FUNC(pdev->devfn))
 707                 return -ENODEV;
 708
 709         /*
 710          * apple-gmux is needed on dual GPU MacBook Pro
 711          * to probe the panel if we're the inactive GPU.
 712          */
 713         if (vga_switcheroo_client_probe_defer(pdev))
 714                 return -EPROBE_DEFER;
 715
 716         err = i915_driver_load(pdev, ent);
 717         if (err)
 718                 return err;
 719
 720         if (i915_inject_load_failure()) {
 721                 i915_pci_remove(pdev);
 722                 return -ENODEV;
 723         }
 724
 725         err = i915_live_selftests(pdev);
 726         if (err) {
 727                 i915_pci_remove(pdev);
 728                 return err > 0 ? -ENOTTY : err;
 729         }
 730
 731         return 0;
 732 }
 733
 734 static struct pci_driver i915_pci_driver = {
 735         .name = DRIVER_NAME,
 736         .id_table = pciidlist,
 737         .probe = i915_pci_probe,
 738         .remove = i915_pci_remove,
 739         .driver.pm = &i915_pm_ops,
 740 };
 741
 742 static int __init i915_init(void)
 743 {
 744         bool use_kms = true;
 745         int err;
 746
 747         err = i915_mock_selftests();
 748         if (err)
 749                 return err > 0 ? 0 : err;
 750
 751         /*
 752          * Enable KMS by default, unless explicitly overriden by
 753          * either the i915.modeset prarameter or by the
 754          * vga_text_mode_force boot option.
 755          */
 756
 757         if (i915_modparams.modeset == 0)
 758                 use_kms = false;
 759
 760         if (vgacon_text_force() && i915_modparams.modeset == -1)
 761                 use_kms = false;
 762
 763         if (!use_kms) {
 764                 /* Silently fail loading to not upset userspace. */
 765                 DRM_DEBUG_DRIVER("KMS disabled.\n");
 766                 return 0;
 767         }
 768
 769         return pci_register_driver(&i915_pci_driver);
 770 }
 771
 772 static void __exit i915_exit(void)
 773 {
 774         if (!i915_pci_driver.driver.owner)
 775                 return;
 776
 777         pci_unregister_driver(&i915_pci_driver);
 778 }
 779
 780 module_init(i915_init);
 781 module_exit(i915_exit);
 782
 783 MODULE_AUTHOR("Tungsten Graphics, Inc.");
 784 MODULE_AUTHOR("Intel Corporation");
 785
 786 MODULE_DESCRIPTION(DRIVER_DESC);
 787 MODULE_LICENSE("GPL and additional rights");