cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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i915_pci.c (34384B)


      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 <drm/drm_color_mgmt.h>
     26#include <drm/drm_drv.h>
     27#include <drm/i915_pciids.h>
     28
     29#include "i915_driver.h"
     30#include "i915_drv.h"
     31#include "i915_pci.h"
     32#include "i915_reg.h"
     33
     34#define PLATFORM(x) .platform = (x)
     35#define GEN(x) \
     36	.graphics.ver = (x), \
     37	.media.ver = (x), \
     38	.display.ver = (x)
     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 TGL_CURSOR_OFFSETS \
    122	.cursor_offsets = { \
    123		[PIPE_A] = CURSOR_A_OFFSET, \
    124		[PIPE_B] = IVB_CURSOR_B_OFFSET, \
    125		[PIPE_C] = IVB_CURSOR_C_OFFSET, \
    126		[PIPE_D] = TGL_CURSOR_D_OFFSET, \
    127	}
    128
    129#define I9XX_COLORS \
    130	.color = { .gamma_lut_size = 256 }
    131#define I965_COLORS \
    132	.color = { .gamma_lut_size = 129, \
    133		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
    134	}
    135#define ILK_COLORS \
    136	.color = { .gamma_lut_size = 1024 }
    137#define IVB_COLORS \
    138	.color = { .degamma_lut_size = 1024, .gamma_lut_size = 1024 }
    139#define CHV_COLORS \
    140	.color = { .degamma_lut_size = 65, .gamma_lut_size = 257, \
    141		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
    142		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
    143	}
    144#define GLK_COLORS \
    145	.color = { .degamma_lut_size = 33, .gamma_lut_size = 1024, \
    146		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
    147					DRM_COLOR_LUT_EQUAL_CHANNELS, \
    148	}
    149#define ICL_COLORS \
    150	.color = { .degamma_lut_size = 33, .gamma_lut_size = 262145, \
    151		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING | \
    152					DRM_COLOR_LUT_EQUAL_CHANNELS, \
    153		   .gamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING, \
    154	}
    155
    156/* Keep in gen based order, and chronological order within a gen */
    157
    158#define GEN_DEFAULT_PAGE_SIZES \
    159	.page_sizes = I915_GTT_PAGE_SIZE_4K
    160
    161#define GEN_DEFAULT_REGIONS \
    162	.memory_regions = REGION_SMEM | REGION_STOLEN_SMEM
    163
    164#define I830_FEATURES \
    165	GEN(2), \
    166	.is_mobile = 1, \
    167	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
    168	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
    169	.display.has_overlay = 1, \
    170	.display.cursor_needs_physical = 1, \
    171	.display.overlay_needs_physical = 1, \
    172	.display.has_gmch = 1, \
    173	.gpu_reset_clobbers_display = true, \
    174	.hws_needs_physical = 1, \
    175	.unfenced_needs_alignment = 1, \
    176	.platform_engine_mask = BIT(RCS0), \
    177	.has_snoop = true, \
    178	.has_coherent_ggtt = false, \
    179	.dma_mask_size = 32, \
    180	I9XX_PIPE_OFFSETS, \
    181	I9XX_CURSOR_OFFSETS, \
    182	I9XX_COLORS, \
    183	GEN_DEFAULT_PAGE_SIZES, \
    184	GEN_DEFAULT_REGIONS
    185
    186#define I845_FEATURES \
    187	GEN(2), \
    188	.display.pipe_mask = BIT(PIPE_A), \
    189	.display.cpu_transcoder_mask = BIT(TRANSCODER_A), \
    190	.display.has_overlay = 1, \
    191	.display.overlay_needs_physical = 1, \
    192	.display.has_gmch = 1, \
    193	.gpu_reset_clobbers_display = true, \
    194	.hws_needs_physical = 1, \
    195	.unfenced_needs_alignment = 1, \
    196	.platform_engine_mask = BIT(RCS0), \
    197	.has_snoop = true, \
    198	.has_coherent_ggtt = false, \
    199	.dma_mask_size = 32, \
    200	I845_PIPE_OFFSETS, \
    201	I845_CURSOR_OFFSETS, \
    202	I9XX_COLORS, \
    203	GEN_DEFAULT_PAGE_SIZES, \
    204	GEN_DEFAULT_REGIONS
    205
    206static const struct intel_device_info i830_info = {
    207	I830_FEATURES,
    208	PLATFORM(INTEL_I830),
    209};
    210
    211static const struct intel_device_info i845g_info = {
    212	I845_FEATURES,
    213	PLATFORM(INTEL_I845G),
    214};
    215
    216static const struct intel_device_info i85x_info = {
    217	I830_FEATURES,
    218	PLATFORM(INTEL_I85X),
    219	.display.fbc_mask = BIT(INTEL_FBC_A),
    220};
    221
    222static const struct intel_device_info i865g_info = {
    223	I845_FEATURES,
    224	PLATFORM(INTEL_I865G),
    225	.display.fbc_mask = BIT(INTEL_FBC_A),
    226};
    227
    228#define GEN3_FEATURES \
    229	GEN(3), \
    230	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
    231	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
    232	.display.has_gmch = 1, \
    233	.gpu_reset_clobbers_display = true, \
    234	.platform_engine_mask = BIT(RCS0), \
    235	.has_snoop = true, \
    236	.has_coherent_ggtt = true, \
    237	.dma_mask_size = 32, \
    238	I9XX_PIPE_OFFSETS, \
    239	I9XX_CURSOR_OFFSETS, \
    240	I9XX_COLORS, \
    241	GEN_DEFAULT_PAGE_SIZES, \
    242	GEN_DEFAULT_REGIONS
    243
    244static const struct intel_device_info i915g_info = {
    245	GEN3_FEATURES,
    246	PLATFORM(INTEL_I915G),
    247	.has_coherent_ggtt = false,
    248	.display.cursor_needs_physical = 1,
    249	.display.has_overlay = 1,
    250	.display.overlay_needs_physical = 1,
    251	.hws_needs_physical = 1,
    252	.unfenced_needs_alignment = 1,
    253};
    254
    255static const struct intel_device_info i915gm_info = {
    256	GEN3_FEATURES,
    257	PLATFORM(INTEL_I915GM),
    258	.is_mobile = 1,
    259	.display.cursor_needs_physical = 1,
    260	.display.has_overlay = 1,
    261	.display.overlay_needs_physical = 1,
    262	.display.supports_tv = 1,
    263	.display.fbc_mask = BIT(INTEL_FBC_A),
    264	.hws_needs_physical = 1,
    265	.unfenced_needs_alignment = 1,
    266};
    267
    268static const struct intel_device_info i945g_info = {
    269	GEN3_FEATURES,
    270	PLATFORM(INTEL_I945G),
    271	.display.has_hotplug = 1,
    272	.display.cursor_needs_physical = 1,
    273	.display.has_overlay = 1,
    274	.display.overlay_needs_physical = 1,
    275	.hws_needs_physical = 1,
    276	.unfenced_needs_alignment = 1,
    277};
    278
    279static const struct intel_device_info i945gm_info = {
    280	GEN3_FEATURES,
    281	PLATFORM(INTEL_I945GM),
    282	.is_mobile = 1,
    283	.display.has_hotplug = 1,
    284	.display.cursor_needs_physical = 1,
    285	.display.has_overlay = 1,
    286	.display.overlay_needs_physical = 1,
    287	.display.supports_tv = 1,
    288	.display.fbc_mask = BIT(INTEL_FBC_A),
    289	.hws_needs_physical = 1,
    290	.unfenced_needs_alignment = 1,
    291};
    292
    293static const struct intel_device_info g33_info = {
    294	GEN3_FEATURES,
    295	PLATFORM(INTEL_G33),
    296	.display.has_hotplug = 1,
    297	.display.has_overlay = 1,
    298	.dma_mask_size = 36,
    299};
    300
    301static const struct intel_device_info pnv_g_info = {
    302	GEN3_FEATURES,
    303	PLATFORM(INTEL_PINEVIEW),
    304	.display.has_hotplug = 1,
    305	.display.has_overlay = 1,
    306	.dma_mask_size = 36,
    307};
    308
    309static const struct intel_device_info pnv_m_info = {
    310	GEN3_FEATURES,
    311	PLATFORM(INTEL_PINEVIEW),
    312	.is_mobile = 1,
    313	.display.has_hotplug = 1,
    314	.display.has_overlay = 1,
    315	.dma_mask_size = 36,
    316};
    317
    318#define GEN4_FEATURES \
    319	GEN(4), \
    320	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
    321	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
    322	.display.has_hotplug = 1, \
    323	.display.has_gmch = 1, \
    324	.gpu_reset_clobbers_display = true, \
    325	.platform_engine_mask = BIT(RCS0), \
    326	.has_snoop = true, \
    327	.has_coherent_ggtt = true, \
    328	.dma_mask_size = 36, \
    329	I9XX_PIPE_OFFSETS, \
    330	I9XX_CURSOR_OFFSETS, \
    331	I965_COLORS, \
    332	GEN_DEFAULT_PAGE_SIZES, \
    333	GEN_DEFAULT_REGIONS
    334
    335static const struct intel_device_info i965g_info = {
    336	GEN4_FEATURES,
    337	PLATFORM(INTEL_I965G),
    338	.display.has_overlay = 1,
    339	.hws_needs_physical = 1,
    340	.has_snoop = false,
    341};
    342
    343static const struct intel_device_info i965gm_info = {
    344	GEN4_FEATURES,
    345	PLATFORM(INTEL_I965GM),
    346	.is_mobile = 1,
    347	.display.fbc_mask = BIT(INTEL_FBC_A),
    348	.display.has_overlay = 1,
    349	.display.supports_tv = 1,
    350	.hws_needs_physical = 1,
    351	.has_snoop = false,
    352};
    353
    354static const struct intel_device_info g45_info = {
    355	GEN4_FEATURES,
    356	PLATFORM(INTEL_G45),
    357	.platform_engine_mask = BIT(RCS0) | BIT(VCS0),
    358	.gpu_reset_clobbers_display = false,
    359};
    360
    361static const struct intel_device_info gm45_info = {
    362	GEN4_FEATURES,
    363	PLATFORM(INTEL_GM45),
    364	.is_mobile = 1,
    365	.display.fbc_mask = BIT(INTEL_FBC_A),
    366	.display.supports_tv = 1,
    367	.platform_engine_mask = BIT(RCS0) | BIT(VCS0),
    368	.gpu_reset_clobbers_display = false,
    369};
    370
    371#define GEN5_FEATURES \
    372	GEN(5), \
    373	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
    374	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
    375	.display.has_hotplug = 1, \
    376	.platform_engine_mask = BIT(RCS0) | BIT(VCS0), \
    377	.has_snoop = true, \
    378	.has_coherent_ggtt = true, \
    379	/* ilk does support rc6, but we do not implement [power] contexts */ \
    380	.has_rc6 = 0, \
    381	.dma_mask_size = 36, \
    382	I9XX_PIPE_OFFSETS, \
    383	I9XX_CURSOR_OFFSETS, \
    384	ILK_COLORS, \
    385	GEN_DEFAULT_PAGE_SIZES, \
    386	GEN_DEFAULT_REGIONS
    387
    388static const struct intel_device_info ilk_d_info = {
    389	GEN5_FEATURES,
    390	PLATFORM(INTEL_IRONLAKE),
    391};
    392
    393static const struct intel_device_info ilk_m_info = {
    394	GEN5_FEATURES,
    395	PLATFORM(INTEL_IRONLAKE),
    396	.is_mobile = 1,
    397	.has_rps = true,
    398	.display.fbc_mask = BIT(INTEL_FBC_A),
    399};
    400
    401#define GEN6_FEATURES \
    402	GEN(6), \
    403	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B), \
    404	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B), \
    405	.display.has_hotplug = 1, \
    406	.display.fbc_mask = BIT(INTEL_FBC_A), \
    407	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
    408	.has_coherent_ggtt = true, \
    409	.has_llc = 1, \
    410	.has_rc6 = 1, \
    411	.has_rc6p = 1, \
    412	.has_rps = true, \
    413	.dma_mask_size = 40, \
    414	.ppgtt_type = INTEL_PPGTT_ALIASING, \
    415	.ppgtt_size = 31, \
    416	I9XX_PIPE_OFFSETS, \
    417	I9XX_CURSOR_OFFSETS, \
    418	ILK_COLORS, \
    419	GEN_DEFAULT_PAGE_SIZES, \
    420	GEN_DEFAULT_REGIONS
    421
    422#define SNB_D_PLATFORM \
    423	GEN6_FEATURES, \
    424	PLATFORM(INTEL_SANDYBRIDGE)
    425
    426static const struct intel_device_info snb_d_gt1_info = {
    427	SNB_D_PLATFORM,
    428	.gt = 1,
    429};
    430
    431static const struct intel_device_info snb_d_gt2_info = {
    432	SNB_D_PLATFORM,
    433	.gt = 2,
    434};
    435
    436#define SNB_M_PLATFORM \
    437	GEN6_FEATURES, \
    438	PLATFORM(INTEL_SANDYBRIDGE), \
    439	.is_mobile = 1
    440
    441
    442static const struct intel_device_info snb_m_gt1_info = {
    443	SNB_M_PLATFORM,
    444	.gt = 1,
    445};
    446
    447static const struct intel_device_info snb_m_gt2_info = {
    448	SNB_M_PLATFORM,
    449	.gt = 2,
    450};
    451
    452#define GEN7_FEATURES  \
    453	GEN(7), \
    454	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
    455	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C), \
    456	.display.has_hotplug = 1, \
    457	.display.fbc_mask = BIT(INTEL_FBC_A), \
    458	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0), \
    459	.has_coherent_ggtt = true, \
    460	.has_llc = 1, \
    461	.has_rc6 = 1, \
    462	.has_rc6p = 1, \
    463	.has_reset_engine = true, \
    464	.has_rps = true, \
    465	.dma_mask_size = 40, \
    466	.ppgtt_type = INTEL_PPGTT_ALIASING, \
    467	.ppgtt_size = 31, \
    468	IVB_PIPE_OFFSETS, \
    469	IVB_CURSOR_OFFSETS, \
    470	IVB_COLORS, \
    471	GEN_DEFAULT_PAGE_SIZES, \
    472	GEN_DEFAULT_REGIONS
    473
    474#define IVB_D_PLATFORM \
    475	GEN7_FEATURES, \
    476	PLATFORM(INTEL_IVYBRIDGE), \
    477	.has_l3_dpf = 1
    478
    479static const struct intel_device_info ivb_d_gt1_info = {
    480	IVB_D_PLATFORM,
    481	.gt = 1,
    482};
    483
    484static const struct intel_device_info ivb_d_gt2_info = {
    485	IVB_D_PLATFORM,
    486	.gt = 2,
    487};
    488
    489#define IVB_M_PLATFORM \
    490	GEN7_FEATURES, \
    491	PLATFORM(INTEL_IVYBRIDGE), \
    492	.is_mobile = 1, \
    493	.has_l3_dpf = 1
    494
    495static const struct intel_device_info ivb_m_gt1_info = {
    496	IVB_M_PLATFORM,
    497	.gt = 1,
    498};
    499
    500static const struct intel_device_info ivb_m_gt2_info = {
    501	IVB_M_PLATFORM,
    502	.gt = 2,
    503};
    504
    505static const struct intel_device_info ivb_q_info = {
    506	GEN7_FEATURES,
    507	PLATFORM(INTEL_IVYBRIDGE),
    508	.gt = 2,
    509	.display.pipe_mask = 0, /* legal, last one wins */
    510	.display.cpu_transcoder_mask = 0,
    511	.has_l3_dpf = 1,
    512};
    513
    514static const struct intel_device_info vlv_info = {
    515	PLATFORM(INTEL_VALLEYVIEW),
    516	GEN(7),
    517	.is_lp = 1,
    518	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B),
    519	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B),
    520	.has_runtime_pm = 1,
    521	.has_rc6 = 1,
    522	.has_reset_engine = true,
    523	.has_rps = true,
    524	.display.has_gmch = 1,
    525	.display.has_hotplug = 1,
    526	.dma_mask_size = 40,
    527	.ppgtt_type = INTEL_PPGTT_ALIASING,
    528	.ppgtt_size = 31,
    529	.has_snoop = true,
    530	.has_coherent_ggtt = false,
    531	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0),
    532	.display_mmio_offset = VLV_DISPLAY_BASE,
    533	I9XX_PIPE_OFFSETS,
    534	I9XX_CURSOR_OFFSETS,
    535	I965_COLORS,
    536	GEN_DEFAULT_PAGE_SIZES,
    537	GEN_DEFAULT_REGIONS,
    538};
    539
    540#define G75_FEATURES  \
    541	GEN7_FEATURES, \
    542	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
    543	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
    544		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP), \
    545	.display.has_ddi = 1, \
    546	.display.has_fpga_dbg = 1, \
    547	.display.has_dp_mst = 1, \
    548	.has_rc6p = 0 /* RC6p removed-by HSW */, \
    549	HSW_PIPE_OFFSETS, \
    550	.has_runtime_pm = 1
    551
    552#define HSW_PLATFORM \
    553	G75_FEATURES, \
    554	PLATFORM(INTEL_HASWELL), \
    555	.has_l3_dpf = 1
    556
    557static const struct intel_device_info hsw_gt1_info = {
    558	HSW_PLATFORM,
    559	.gt = 1,
    560};
    561
    562static const struct intel_device_info hsw_gt2_info = {
    563	HSW_PLATFORM,
    564	.gt = 2,
    565};
    566
    567static const struct intel_device_info hsw_gt3_info = {
    568	HSW_PLATFORM,
    569	.gt = 3,
    570};
    571
    572#define GEN8_FEATURES \
    573	G75_FEATURES, \
    574	GEN(8), \
    575	.has_logical_ring_contexts = 1, \
    576	.dma_mask_size = 39, \
    577	.ppgtt_type = INTEL_PPGTT_FULL, \
    578	.ppgtt_size = 48, \
    579	.has_64bit_reloc = 1
    580
    581#define BDW_PLATFORM \
    582	GEN8_FEATURES, \
    583	PLATFORM(INTEL_BROADWELL)
    584
    585static const struct intel_device_info bdw_gt1_info = {
    586	BDW_PLATFORM,
    587	.gt = 1,
    588};
    589
    590static const struct intel_device_info bdw_gt2_info = {
    591	BDW_PLATFORM,
    592	.gt = 2,
    593};
    594
    595static const struct intel_device_info bdw_rsvd_info = {
    596	BDW_PLATFORM,
    597	.gt = 3,
    598	/* According to the device ID those devices are GT3, they were
    599	 * previously treated as not GT3, keep it like that.
    600	 */
    601};
    602
    603static const struct intel_device_info bdw_gt3_info = {
    604	BDW_PLATFORM,
    605	.gt = 3,
    606	.platform_engine_mask =
    607		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
    608};
    609
    610static const struct intel_device_info chv_info = {
    611	PLATFORM(INTEL_CHERRYVIEW),
    612	GEN(8),
    613	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
    614	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | BIT(TRANSCODER_C),
    615	.display.has_hotplug = 1,
    616	.is_lp = 1,
    617	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0),
    618	.has_64bit_reloc = 1,
    619	.has_runtime_pm = 1,
    620	.has_rc6 = 1,
    621	.has_rps = true,
    622	.has_logical_ring_contexts = 1,
    623	.display.has_gmch = 1,
    624	.dma_mask_size = 39,
    625	.ppgtt_type = INTEL_PPGTT_FULL,
    626	.ppgtt_size = 32,
    627	.has_reset_engine = 1,
    628	.has_snoop = true,
    629	.has_coherent_ggtt = false,
    630	.display_mmio_offset = VLV_DISPLAY_BASE,
    631	CHV_PIPE_OFFSETS,
    632	CHV_CURSOR_OFFSETS,
    633	CHV_COLORS,
    634	GEN_DEFAULT_PAGE_SIZES,
    635	GEN_DEFAULT_REGIONS,
    636};
    637
    638#define GEN9_DEFAULT_PAGE_SIZES \
    639	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
    640		      I915_GTT_PAGE_SIZE_64K
    641
    642#define GEN9_FEATURES \
    643	GEN8_FEATURES, \
    644	GEN(9), \
    645	GEN9_DEFAULT_PAGE_SIZES, \
    646	.display.has_dmc = 1, \
    647	.has_gt_uc = 1, \
    648	.display.has_hdcp = 1, \
    649	.display.has_ipc = 1, \
    650	.display.has_psr = 1, \
    651	.display.has_psr_hw_tracking = 1, \
    652	.dbuf.size = 896 - 4, /* 4 blocks for bypass path allocation */ \
    653	.dbuf.slice_mask = BIT(DBUF_S1)
    654
    655#define SKL_PLATFORM \
    656	GEN9_FEATURES, \
    657	PLATFORM(INTEL_SKYLAKE)
    658
    659static const struct intel_device_info skl_gt1_info = {
    660	SKL_PLATFORM,
    661	.gt = 1,
    662};
    663
    664static const struct intel_device_info skl_gt2_info = {
    665	SKL_PLATFORM,
    666	.gt = 2,
    667};
    668
    669#define SKL_GT3_PLUS_PLATFORM \
    670	SKL_PLATFORM, \
    671	.platform_engine_mask = \
    672		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1)
    673
    674
    675static const struct intel_device_info skl_gt3_info = {
    676	SKL_GT3_PLUS_PLATFORM,
    677	.gt = 3,
    678};
    679
    680static const struct intel_device_info skl_gt4_info = {
    681	SKL_GT3_PLUS_PLATFORM,
    682	.gt = 4,
    683};
    684
    685#define GEN9_LP_FEATURES \
    686	GEN(9), \
    687	.is_lp = 1, \
    688	.dbuf.slice_mask = BIT(DBUF_S1), \
    689	.display.has_hotplug = 1, \
    690	.platform_engine_mask = BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0), \
    691	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C), \
    692	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
    693		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
    694		BIT(TRANSCODER_DSI_A) | BIT(TRANSCODER_DSI_C), \
    695	.has_64bit_reloc = 1, \
    696	.display.has_ddi = 1, \
    697	.display.has_fpga_dbg = 1, \
    698	.display.fbc_mask = BIT(INTEL_FBC_A), \
    699	.display.has_hdcp = 1, \
    700	.display.has_psr = 1, \
    701	.display.has_psr_hw_tracking = 1, \
    702	.has_runtime_pm = 1, \
    703	.display.has_dmc = 1, \
    704	.has_rc6 = 1, \
    705	.has_rps = true, \
    706	.display.has_dp_mst = 1, \
    707	.has_logical_ring_contexts = 1, \
    708	.has_gt_uc = 1, \
    709	.dma_mask_size = 39, \
    710	.ppgtt_type = INTEL_PPGTT_FULL, \
    711	.ppgtt_size = 48, \
    712	.has_reset_engine = 1, \
    713	.has_snoop = true, \
    714	.has_coherent_ggtt = false, \
    715	.display.has_ipc = 1, \
    716	HSW_PIPE_OFFSETS, \
    717	IVB_CURSOR_OFFSETS, \
    718	IVB_COLORS, \
    719	GEN9_DEFAULT_PAGE_SIZES, \
    720	GEN_DEFAULT_REGIONS
    721
    722static const struct intel_device_info bxt_info = {
    723	GEN9_LP_FEATURES,
    724	PLATFORM(INTEL_BROXTON),
    725	.dbuf.size = 512 - 4, /* 4 blocks for bypass path allocation */
    726};
    727
    728static const struct intel_device_info glk_info = {
    729	GEN9_LP_FEATURES,
    730	PLATFORM(INTEL_GEMINILAKE),
    731	.display.ver = 10,
    732	.dbuf.size = 1024 - 4, /* 4 blocks for bypass path allocation */
    733	GLK_COLORS,
    734};
    735
    736#define KBL_PLATFORM \
    737	GEN9_FEATURES, \
    738	PLATFORM(INTEL_KABYLAKE)
    739
    740static const struct intel_device_info kbl_gt1_info = {
    741	KBL_PLATFORM,
    742	.gt = 1,
    743};
    744
    745static const struct intel_device_info kbl_gt2_info = {
    746	KBL_PLATFORM,
    747	.gt = 2,
    748};
    749
    750static const struct intel_device_info kbl_gt3_info = {
    751	KBL_PLATFORM,
    752	.gt = 3,
    753	.platform_engine_mask =
    754		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
    755};
    756
    757#define CFL_PLATFORM \
    758	GEN9_FEATURES, \
    759	PLATFORM(INTEL_COFFEELAKE)
    760
    761static const struct intel_device_info cfl_gt1_info = {
    762	CFL_PLATFORM,
    763	.gt = 1,
    764};
    765
    766static const struct intel_device_info cfl_gt2_info = {
    767	CFL_PLATFORM,
    768	.gt = 2,
    769};
    770
    771static const struct intel_device_info cfl_gt3_info = {
    772	CFL_PLATFORM,
    773	.gt = 3,
    774	.platform_engine_mask =
    775		BIT(RCS0) | BIT(VCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS1),
    776};
    777
    778#define CML_PLATFORM \
    779	GEN9_FEATURES, \
    780	PLATFORM(INTEL_COMETLAKE)
    781
    782static const struct intel_device_info cml_gt1_info = {
    783	CML_PLATFORM,
    784	.gt = 1,
    785};
    786
    787static const struct intel_device_info cml_gt2_info = {
    788	CML_PLATFORM,
    789	.gt = 2,
    790};
    791
    792#define GEN11_DEFAULT_PAGE_SIZES \
    793	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
    794		      I915_GTT_PAGE_SIZE_64K | \
    795		      I915_GTT_PAGE_SIZE_2M
    796
    797#define GEN11_FEATURES \
    798	GEN9_FEATURES, \
    799	GEN11_DEFAULT_PAGE_SIZES, \
    800	.display.abox_mask = BIT(0), \
    801	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
    802		BIT(TRANSCODER_C) | BIT(TRANSCODER_EDP) | \
    803		BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
    804	.pipe_offsets = { \
    805		[TRANSCODER_A] = PIPE_A_OFFSET, \
    806		[TRANSCODER_B] = PIPE_B_OFFSET, \
    807		[TRANSCODER_C] = PIPE_C_OFFSET, \
    808		[TRANSCODER_EDP] = PIPE_EDP_OFFSET, \
    809		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
    810		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
    811	}, \
    812	.trans_offsets = { \
    813		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
    814		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
    815		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
    816		[TRANSCODER_EDP] = TRANSCODER_EDP_OFFSET, \
    817		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
    818		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
    819	}, \
    820	GEN(11), \
    821	ICL_COLORS, \
    822	.dbuf.size = 2048, \
    823	.dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2), \
    824	.display.has_dsc = 1, \
    825	.has_coherent_ggtt = false, \
    826	.has_logical_ring_elsq = 1
    827
    828static const struct intel_device_info icl_info = {
    829	GEN11_FEATURES,
    830	PLATFORM(INTEL_ICELAKE),
    831	.platform_engine_mask =
    832		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
    833};
    834
    835static const struct intel_device_info ehl_info = {
    836	GEN11_FEATURES,
    837	PLATFORM(INTEL_ELKHARTLAKE),
    838	.platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
    839	.ppgtt_size = 36,
    840};
    841
    842static const struct intel_device_info jsl_info = {
    843	GEN11_FEATURES,
    844	PLATFORM(INTEL_JASPERLAKE),
    845	.platform_engine_mask = BIT(RCS0) | BIT(BCS0) | BIT(VCS0) | BIT(VECS0),
    846	.ppgtt_size = 36,
    847};
    848
    849#define GEN12_FEATURES \
    850	GEN11_FEATURES, \
    851	GEN(12), \
    852	.display.abox_mask = GENMASK(2, 1), \
    853	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D), \
    854	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) | \
    855		BIT(TRANSCODER_C) | BIT(TRANSCODER_D) | \
    856		BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1), \
    857	.pipe_offsets = { \
    858		[TRANSCODER_A] = PIPE_A_OFFSET, \
    859		[TRANSCODER_B] = PIPE_B_OFFSET, \
    860		[TRANSCODER_C] = PIPE_C_OFFSET, \
    861		[TRANSCODER_D] = PIPE_D_OFFSET, \
    862		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET, \
    863		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET, \
    864	}, \
    865	.trans_offsets = { \
    866		[TRANSCODER_A] = TRANSCODER_A_OFFSET, \
    867		[TRANSCODER_B] = TRANSCODER_B_OFFSET, \
    868		[TRANSCODER_C] = TRANSCODER_C_OFFSET, \
    869		[TRANSCODER_D] = TRANSCODER_D_OFFSET, \
    870		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET, \
    871		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET, \
    872	}, \
    873	TGL_CURSOR_OFFSETS, \
    874	.has_global_mocs = 1, \
    875	.has_pxp = 1, \
    876	.display.has_dsb = 0 /* FIXME: LUT load is broken with DSB */
    877
    878static const struct intel_device_info tgl_info = {
    879	GEN12_FEATURES,
    880	PLATFORM(INTEL_TIGERLAKE),
    881	.display.has_modular_fia = 1,
    882	.platform_engine_mask =
    883		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
    884};
    885
    886static const struct intel_device_info rkl_info = {
    887	GEN12_FEATURES,
    888	PLATFORM(INTEL_ROCKETLAKE),
    889	.display.abox_mask = BIT(0),
    890	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C),
    891	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
    892		BIT(TRANSCODER_C),
    893	.display.has_hti = 1,
    894	.display.has_psr_hw_tracking = 0,
    895	.platform_engine_mask =
    896		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0),
    897};
    898
    899#define DGFX_FEATURES \
    900	.memory_regions = REGION_SMEM | REGION_LMEM | REGION_STOLEN_LMEM, \
    901	.has_llc = 0, \
    902	.has_pxp = 0, \
    903	.has_snoop = 1, \
    904	.is_dgfx = 1, \
    905	.has_heci_gscfi = 1
    906
    907static const struct intel_device_info dg1_info = {
    908	GEN12_FEATURES,
    909	DGFX_FEATURES,
    910	.graphics.rel = 10,
    911	PLATFORM(INTEL_DG1),
    912	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
    913	.require_force_probe = 1,
    914	.platform_engine_mask =
    915		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) |
    916		BIT(VCS0) | BIT(VCS2),
    917	/* Wa_16011227922 */
    918	.ppgtt_size = 47,
    919};
    920
    921static const struct intel_device_info adl_s_info = {
    922	GEN12_FEATURES,
    923	PLATFORM(INTEL_ALDERLAKE_S),
    924	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),
    925	.display.has_hti = 1,
    926	.display.has_psr_hw_tracking = 0,
    927	.platform_engine_mask =
    928		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
    929	.dma_mask_size = 39,
    930};
    931
    932#define XE_LPD_CURSOR_OFFSETS \
    933	.cursor_offsets = { \
    934		[PIPE_A] = CURSOR_A_OFFSET, \
    935		[PIPE_B] = IVB_CURSOR_B_OFFSET, \
    936		[PIPE_C] = IVB_CURSOR_C_OFFSET, \
    937		[PIPE_D] = TGL_CURSOR_D_OFFSET, \
    938	}
    939
    940#define XE_LPD_FEATURES \
    941	.display.abox_mask = GENMASK(1, 0),					\
    942	.color = { .degamma_lut_size = 128, .gamma_lut_size = 1024,		\
    943		   .degamma_lut_tests = DRM_COLOR_LUT_NON_DECREASING |		\
    944					DRM_COLOR_LUT_EQUAL_CHANNELS,		\
    945	},									\
    946	.dbuf.size = 4096,							\
    947	.dbuf.slice_mask = BIT(DBUF_S1) | BIT(DBUF_S2) | BIT(DBUF_S3) |		\
    948		BIT(DBUF_S4),							\
    949	.display.has_ddi = 1,							\
    950	.display.has_dmc = 1,							\
    951	.display.has_dp_mst = 1,						\
    952	.display.has_dsb = 1,							\
    953	.display.has_dsc = 1,							\
    954	.display.fbc_mask = BIT(INTEL_FBC_A),					\
    955	.display.has_fpga_dbg = 1,						\
    956	.display.has_hdcp = 1,							\
    957	.display.has_hotplug = 1,						\
    958	.display.has_ipc = 1,							\
    959	.display.has_psr = 1,							\
    960	.display.ver = 13,							\
    961	.display.pipe_mask = BIT(PIPE_A) | BIT(PIPE_B) | BIT(PIPE_C) | BIT(PIPE_D),	\
    962	.pipe_offsets = {							\
    963		[TRANSCODER_A] = PIPE_A_OFFSET,					\
    964		[TRANSCODER_B] = PIPE_B_OFFSET,					\
    965		[TRANSCODER_C] = PIPE_C_OFFSET,					\
    966		[TRANSCODER_D] = PIPE_D_OFFSET,					\
    967		[TRANSCODER_DSI_0] = PIPE_DSI0_OFFSET,				\
    968		[TRANSCODER_DSI_1] = PIPE_DSI1_OFFSET,				\
    969	},									\
    970	.trans_offsets = {							\
    971		[TRANSCODER_A] = TRANSCODER_A_OFFSET,				\
    972		[TRANSCODER_B] = TRANSCODER_B_OFFSET,				\
    973		[TRANSCODER_C] = TRANSCODER_C_OFFSET,				\
    974		[TRANSCODER_D] = TRANSCODER_D_OFFSET,				\
    975		[TRANSCODER_DSI_0] = TRANSCODER_DSI0_OFFSET,			\
    976		[TRANSCODER_DSI_1] = TRANSCODER_DSI1_OFFSET,			\
    977	},									\
    978	XE_LPD_CURSOR_OFFSETS
    979
    980static const struct intel_device_info adl_p_info = {
    981	GEN12_FEATURES,
    982	XE_LPD_FEATURES,
    983	PLATFORM(INTEL_ALDERLAKE_P),
    984	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
    985			       BIT(TRANSCODER_C) | BIT(TRANSCODER_D) |
    986			       BIT(TRANSCODER_DSI_0) | BIT(TRANSCODER_DSI_1),
    987	.display.has_cdclk_crawl = 1,
    988	.display.has_modular_fia = 1,
    989	.display.has_psr_hw_tracking = 0,
    990	.platform_engine_mask =
    991		BIT(RCS0) | BIT(BCS0) | BIT(VECS0) | BIT(VCS0) | BIT(VCS2),
    992	.ppgtt_size = 48,
    993	.dma_mask_size = 39,
    994};
    995
    996#undef GEN
    997
    998#define XE_HP_PAGE_SIZES \
    999	.page_sizes = I915_GTT_PAGE_SIZE_4K | \
   1000		      I915_GTT_PAGE_SIZE_64K | \
   1001		      I915_GTT_PAGE_SIZE_2M
   1002
   1003#define XE_HP_FEATURES \
   1004	.graphics.ver = 12, \
   1005	.graphics.rel = 50, \
   1006	XE_HP_PAGE_SIZES, \
   1007	.dma_mask_size = 46, \
   1008	.has_64bit_reloc = 1, \
   1009	.has_flat_ccs = 1, \
   1010	.has_global_mocs = 1, \
   1011	.has_gt_uc = 1, \
   1012	.has_llc = 1, \
   1013	.has_logical_ring_contexts = 1, \
   1014	.has_logical_ring_elsq = 1, \
   1015	.has_mslices = 1, \
   1016	.has_rc6 = 1, \
   1017	.has_reset_engine = 1, \
   1018	.has_rps = 1, \
   1019	.has_runtime_pm = 1, \
   1020	.ppgtt_size = 48, \
   1021	.ppgtt_type = INTEL_PPGTT_FULL
   1022
   1023#define XE_HPM_FEATURES \
   1024	.media.ver = 12, \
   1025	.media.rel = 50
   1026
   1027__maybe_unused
   1028static const struct intel_device_info xehpsdv_info = {
   1029	XE_HP_FEATURES,
   1030	XE_HPM_FEATURES,
   1031	DGFX_FEATURES,
   1032	PLATFORM(INTEL_XEHPSDV),
   1033	.display = { },
   1034	.has_64k_pages = 1,
   1035	.needs_compact_pt = 1,
   1036	.platform_engine_mask =
   1037		BIT(RCS0) | BIT(BCS0) |
   1038		BIT(VECS0) | BIT(VECS1) | BIT(VECS2) | BIT(VECS3) |
   1039		BIT(VCS0) | BIT(VCS1) | BIT(VCS2) | BIT(VCS3) |
   1040		BIT(VCS4) | BIT(VCS5) | BIT(VCS6) | BIT(VCS7) |
   1041		BIT(CCS0) | BIT(CCS1) | BIT(CCS2) | BIT(CCS3),
   1042	.require_force_probe = 1,
   1043};
   1044
   1045#define DG2_FEATURES \
   1046	XE_HP_FEATURES, \
   1047	XE_HPM_FEATURES, \
   1048	DGFX_FEATURES, \
   1049	.graphics.rel = 55, \
   1050	.media.rel = 55, \
   1051	PLATFORM(INTEL_DG2), \
   1052	.has_4tile = 1, \
   1053	.has_64k_pages = 1, \
   1054	.has_guc_deprivilege = 1, \
   1055	.has_heci_pxp = 1, \
   1056	.needs_compact_pt = 1, \
   1057	.platform_engine_mask = \
   1058		BIT(RCS0) | BIT(BCS0) | \
   1059		BIT(VECS0) | BIT(VECS1) | \
   1060		BIT(VCS0) | BIT(VCS2) | \
   1061		BIT(CCS0) | BIT(CCS1) | BIT(CCS2) | BIT(CCS3)
   1062
   1063static const struct intel_device_info dg2_info = {
   1064	DG2_FEATURES,
   1065	XE_LPD_FEATURES,
   1066	.display.cpu_transcoder_mask = BIT(TRANSCODER_A) | BIT(TRANSCODER_B) |
   1067			       BIT(TRANSCODER_C) | BIT(TRANSCODER_D),
   1068	.require_force_probe = 1,
   1069};
   1070
   1071__maybe_unused
   1072static const struct intel_device_info ats_m_info = {
   1073	DG2_FEATURES,
   1074	.display = { 0 },
   1075	.require_force_probe = 1,
   1076};
   1077
   1078#define XE_HPC_FEATURES \
   1079	XE_HP_FEATURES, \
   1080	.dma_mask_size = 52
   1081
   1082__maybe_unused
   1083static const struct intel_device_info pvc_info = {
   1084	XE_HPC_FEATURES,
   1085	XE_HPM_FEATURES,
   1086	DGFX_FEATURES,
   1087	.graphics.rel = 60,
   1088	.media.rel = 60,
   1089	PLATFORM(INTEL_PONTEVECCHIO),
   1090	.display = { 0 },
   1091	.has_flat_ccs = 0,
   1092	.platform_engine_mask =
   1093		BIT(BCS0) |
   1094		BIT(VCS0) |
   1095		BIT(CCS0) | BIT(CCS1) | BIT(CCS2) | BIT(CCS3),
   1096	.require_force_probe = 1,
   1097};
   1098
   1099#undef PLATFORM
   1100
   1101/*
   1102 * Make sure any device matches here are from most specific to most
   1103 * general.  For example, since the Quanta match is based on the subsystem
   1104 * and subvendor IDs, we need it to come before the more general IVB
   1105 * PCI ID matches, otherwise we'll use the wrong info struct above.
   1106 */
   1107static const struct pci_device_id pciidlist[] = {
   1108	INTEL_I830_IDS(&i830_info),
   1109	INTEL_I845G_IDS(&i845g_info),
   1110	INTEL_I85X_IDS(&i85x_info),
   1111	INTEL_I865G_IDS(&i865g_info),
   1112	INTEL_I915G_IDS(&i915g_info),
   1113	INTEL_I915GM_IDS(&i915gm_info),
   1114	INTEL_I945G_IDS(&i945g_info),
   1115	INTEL_I945GM_IDS(&i945gm_info),
   1116	INTEL_I965G_IDS(&i965g_info),
   1117	INTEL_G33_IDS(&g33_info),
   1118	INTEL_I965GM_IDS(&i965gm_info),
   1119	INTEL_GM45_IDS(&gm45_info),
   1120	INTEL_G45_IDS(&g45_info),
   1121	INTEL_PINEVIEW_G_IDS(&pnv_g_info),
   1122	INTEL_PINEVIEW_M_IDS(&pnv_m_info),
   1123	INTEL_IRONLAKE_D_IDS(&ilk_d_info),
   1124	INTEL_IRONLAKE_M_IDS(&ilk_m_info),
   1125	INTEL_SNB_D_GT1_IDS(&snb_d_gt1_info),
   1126	INTEL_SNB_D_GT2_IDS(&snb_d_gt2_info),
   1127	INTEL_SNB_M_GT1_IDS(&snb_m_gt1_info),
   1128	INTEL_SNB_M_GT2_IDS(&snb_m_gt2_info),
   1129	INTEL_IVB_Q_IDS(&ivb_q_info), /* must be first IVB */
   1130	INTEL_IVB_M_GT1_IDS(&ivb_m_gt1_info),
   1131	INTEL_IVB_M_GT2_IDS(&ivb_m_gt2_info),
   1132	INTEL_IVB_D_GT1_IDS(&ivb_d_gt1_info),
   1133	INTEL_IVB_D_GT2_IDS(&ivb_d_gt2_info),
   1134	INTEL_HSW_GT1_IDS(&hsw_gt1_info),
   1135	INTEL_HSW_GT2_IDS(&hsw_gt2_info),
   1136	INTEL_HSW_GT3_IDS(&hsw_gt3_info),
   1137	INTEL_VLV_IDS(&vlv_info),
   1138	INTEL_BDW_GT1_IDS(&bdw_gt1_info),
   1139	INTEL_BDW_GT2_IDS(&bdw_gt2_info),
   1140	INTEL_BDW_GT3_IDS(&bdw_gt3_info),
   1141	INTEL_BDW_RSVD_IDS(&bdw_rsvd_info),
   1142	INTEL_CHV_IDS(&chv_info),
   1143	INTEL_SKL_GT1_IDS(&skl_gt1_info),
   1144	INTEL_SKL_GT2_IDS(&skl_gt2_info),
   1145	INTEL_SKL_GT3_IDS(&skl_gt3_info),
   1146	INTEL_SKL_GT4_IDS(&skl_gt4_info),
   1147	INTEL_BXT_IDS(&bxt_info),
   1148	INTEL_GLK_IDS(&glk_info),
   1149	INTEL_KBL_GT1_IDS(&kbl_gt1_info),
   1150	INTEL_KBL_GT2_IDS(&kbl_gt2_info),
   1151	INTEL_KBL_GT3_IDS(&kbl_gt3_info),
   1152	INTEL_KBL_GT4_IDS(&kbl_gt3_info),
   1153	INTEL_AML_KBL_GT2_IDS(&kbl_gt2_info),
   1154	INTEL_CFL_S_GT1_IDS(&cfl_gt1_info),
   1155	INTEL_CFL_S_GT2_IDS(&cfl_gt2_info),
   1156	INTEL_CFL_H_GT1_IDS(&cfl_gt1_info),
   1157	INTEL_CFL_H_GT2_IDS(&cfl_gt2_info),
   1158	INTEL_CFL_U_GT2_IDS(&cfl_gt2_info),
   1159	INTEL_CFL_U_GT3_IDS(&cfl_gt3_info),
   1160	INTEL_WHL_U_GT1_IDS(&cfl_gt1_info),
   1161	INTEL_WHL_U_GT2_IDS(&cfl_gt2_info),
   1162	INTEL_AML_CFL_GT2_IDS(&cfl_gt2_info),
   1163	INTEL_WHL_U_GT3_IDS(&cfl_gt3_info),
   1164	INTEL_CML_GT1_IDS(&cml_gt1_info),
   1165	INTEL_CML_GT2_IDS(&cml_gt2_info),
   1166	INTEL_CML_U_GT1_IDS(&cml_gt1_info),
   1167	INTEL_CML_U_GT2_IDS(&cml_gt2_info),
   1168	INTEL_ICL_11_IDS(&icl_info),
   1169	INTEL_EHL_IDS(&ehl_info),
   1170	INTEL_JSL_IDS(&jsl_info),
   1171	INTEL_TGL_12_IDS(&tgl_info),
   1172	INTEL_RKL_IDS(&rkl_info),
   1173	INTEL_ADLS_IDS(&adl_s_info),
   1174	INTEL_ADLP_IDS(&adl_p_info),
   1175	INTEL_ADLN_IDS(&adl_p_info),
   1176	INTEL_DG1_IDS(&dg1_info),
   1177	INTEL_RPLS_IDS(&adl_s_info),
   1178	INTEL_RPLP_IDS(&adl_p_info),
   1179	INTEL_DG2_IDS(&dg2_info),
   1180	{0, 0, 0}
   1181};
   1182MODULE_DEVICE_TABLE(pci, pciidlist);
   1183
   1184static void i915_pci_remove(struct pci_dev *pdev)
   1185{
   1186	struct drm_i915_private *i915;
   1187
   1188	i915 = pci_get_drvdata(pdev);
   1189	if (!i915) /* driver load aborted, nothing to cleanup */
   1190		return;
   1191
   1192	i915_driver_remove(i915);
   1193	pci_set_drvdata(pdev, NULL);
   1194}
   1195
   1196/* is device_id present in comma separated list of ids */
   1197static bool force_probe(u16 device_id, const char *devices)
   1198{
   1199	char *s, *p, *tok;
   1200	bool ret;
   1201
   1202	if (!devices || !*devices)
   1203		return false;
   1204
   1205	/* match everything */
   1206	if (strcmp(devices, "*") == 0)
   1207		return true;
   1208
   1209	s = kstrdup(devices, GFP_KERNEL);
   1210	if (!s)
   1211		return false;
   1212
   1213	for (p = s, ret = false; (tok = strsep(&p, ",")) != NULL; ) {
   1214		u16 val;
   1215
   1216		if (kstrtou16(tok, 16, &val) == 0 && val == device_id) {
   1217			ret = true;
   1218			break;
   1219		}
   1220	}
   1221
   1222	kfree(s);
   1223
   1224	return ret;
   1225}
   1226
   1227static int i915_pci_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
   1228{
   1229	struct intel_device_info *intel_info =
   1230		(struct intel_device_info *) ent->driver_data;
   1231	int err;
   1232
   1233	if (intel_info->require_force_probe &&
   1234	    !force_probe(pdev->device, i915_modparams.force_probe)) {
   1235		dev_info(&pdev->dev,
   1236			 "Your graphics device %04x is not properly supported by the driver in this\n"
   1237			 "kernel version. To force driver probe anyway, use i915.force_probe=%04x\n"
   1238			 "module parameter or CONFIG_DRM_I915_FORCE_PROBE=%04x configuration option,\n"
   1239			 "or (recommended) check for kernel updates.\n",
   1240			 pdev->device, pdev->device, pdev->device);
   1241		return -ENODEV;
   1242	}
   1243
   1244	/* Only bind to function 0 of the device. Early generations
   1245	 * used function 1 as a placeholder for multi-head. This causes
   1246	 * us confusion instead, especially on the systems where both
   1247	 * functions have the same PCI-ID!
   1248	 */
   1249	if (PCI_FUNC(pdev->devfn))
   1250		return -ENODEV;
   1251
   1252	/* Detect if we need to wait for other drivers early on */
   1253	if (intel_modeset_probe_defer(pdev))
   1254		return -EPROBE_DEFER;
   1255
   1256	err = i915_driver_probe(pdev, ent);
   1257	if (err)
   1258		return err;
   1259
   1260	if (i915_inject_probe_failure(pci_get_drvdata(pdev))) {
   1261		i915_pci_remove(pdev);
   1262		return -ENODEV;
   1263	}
   1264
   1265	err = i915_live_selftests(pdev);
   1266	if (err) {
   1267		i915_pci_remove(pdev);
   1268		return err > 0 ? -ENOTTY : err;
   1269	}
   1270
   1271	err = i915_perf_selftests(pdev);
   1272	if (err) {
   1273		i915_pci_remove(pdev);
   1274		return err > 0 ? -ENOTTY : err;
   1275	}
   1276
   1277	return 0;
   1278}
   1279
   1280static void i915_pci_shutdown(struct pci_dev *pdev)
   1281{
   1282	struct drm_i915_private *i915 = pci_get_drvdata(pdev);
   1283
   1284	i915_driver_shutdown(i915);
   1285}
   1286
   1287static struct pci_driver i915_pci_driver = {
   1288	.name = DRIVER_NAME,
   1289	.id_table = pciidlist,
   1290	.probe = i915_pci_probe,
   1291	.remove = i915_pci_remove,
   1292	.shutdown = i915_pci_shutdown,
   1293	.driver.pm = &i915_pm_ops,
   1294};
   1295
   1296int i915_pci_register_driver(void)
   1297{
   1298	return pci_register_driver(&i915_pci_driver);
   1299}
   1300
   1301void i915_pci_unregister_driver(void)
   1302{
   1303	pci_unregister_driver(&i915_pci_driver);
   1304}