/* * Copyright © 2013 Intel Corporation * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice (including the next * paragraph) shall be included in all copies or substantial portions of the * Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS * IN THE SOFTWARE. */ #include #include #include #include #include #include "gen_device_info.h" #include "compiler/shader_enums.h" #include "util/macros.h" /** * Get the PCI ID for the device name. * * Returns -1 if the device is not known. */ int gen_device_name_to_pci_device_id(const char *name) { static const struct { const char *name; int pci_id; } name_map[] = { { "brw", 0x2a02 }, { "g4x", 0x2a42 }, { "ilk", 0x0042 }, { "snb", 0x0126 }, { "ivb", 0x016a }, { "hsw", 0x0d2e }, { "byt", 0x0f33 }, { "bdw", 0x162e }, { "chv", 0x22B3 }, { "skl", 0x1912 }, { "bxt", 0x5A85 }, { "kbl", 0x5912 }, { "glk", 0x3185 }, { "cnl", 0x5a52 }, { "icl", 0x8a52 }, }; for (unsigned i = 0; i < ARRAY_SIZE(name_map); i++) { if (!strcmp(name_map[i].name, name)) return name_map[i].pci_id; } return -1; } /** * Get the overridden PCI ID for the device. This is set with the * INTEL_DEVID_OVERRIDE environment variable. * * Returns -1 if the override is not set. */ int gen_get_pci_device_id_override(void) { if (geteuid() == getuid()) { const char *devid_override = getenv("INTEL_DEVID_OVERRIDE"); if (devid_override) { const int id = gen_device_name_to_pci_device_id(devid_override); return id >= 0 ? id : strtol(devid_override, NULL, 0); } } return -1; } static const struct gen_device_info gen_device_info_i965 = { .gen = 4, .has_negative_rhw_bug = true, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 4, .max_vs_threads = 16, .max_gs_threads = 2, .max_wm_threads = 8 * 4, .urb = { .size = 256, }, .timestamp_frequency = 12500000, }; static const struct gen_device_info gen_device_info_g4x = { .gen = 4, .has_pln = true, .has_compr4 = true, .has_surface_tile_offset = true, .is_g4x = true, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 5, .max_vs_threads = 32, .max_gs_threads = 2, .max_wm_threads = 10 * 5, .urb = { .size = 384, }, .timestamp_frequency = 12500000, }; static const struct gen_device_info gen_device_info_ilk = { .gen = 5, .has_pln = true, .has_compr4 = true, .has_surface_tile_offset = true, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 6, .max_vs_threads = 72, .max_gs_threads = 32, .max_wm_threads = 12 * 6, .urb = { .size = 1024, }, .timestamp_frequency = 12500000, }; static const struct gen_device_info gen_device_info_snb_gt1 = { .gen = 6, .gt = 1, .has_hiz_and_separate_stencil = true, .has_llc = true, .has_pln = true, .has_surface_tile_offset = true, .needs_unlit_centroid_workaround = true, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 6, /* Not confirmed */ .max_vs_threads = 24, .max_gs_threads = 21, /* conservative; 24 if rendering disabled. */ .max_wm_threads = 40, .urb = { .size = 32, .min_entries = { [MESA_SHADER_VERTEX] = 24, }, .max_entries = { [MESA_SHADER_VERTEX] = 256, [MESA_SHADER_GEOMETRY] = 256, }, }, .timestamp_frequency = 12500000, }; static const struct gen_device_info gen_device_info_snb_gt2 = { .gen = 6, .gt = 2, .has_hiz_and_separate_stencil = true, .has_llc = true, .has_pln = true, .has_surface_tile_offset = true, .needs_unlit_centroid_workaround = true, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 6, /* Not confirmed */ .max_vs_threads = 60, .max_gs_threads = 60, .max_wm_threads = 80, .urb = { .size = 64, .min_entries = { [MESA_SHADER_VERTEX] = 24, }, .max_entries = { [MESA_SHADER_VERTEX] = 256, [MESA_SHADER_GEOMETRY] = 256, }, }, .timestamp_frequency = 12500000, }; #define GEN7_FEATURES \ .gen = 7, \ .has_hiz_and_separate_stencil = true, \ .must_use_separate_stencil = true, \ .has_llc = true, \ .has_pln = true, \ .has_64bit_types = true, \ .has_surface_tile_offset = true, \ .timestamp_frequency = 12500000 static const struct gen_device_info gen_device_info_ivb_gt1 = { GEN7_FEATURES, .is_ivybridge = true, .gt = 1, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 6, .l3_banks = 2, .max_vs_threads = 36, .max_tcs_threads = 36, .max_tes_threads = 36, .max_gs_threads = 36, .max_wm_threads = 48, .max_cs_threads = 36, .urb = { .size = 128, .min_entries = { [MESA_SHADER_VERTEX] = 32, [MESA_SHADER_TESS_EVAL] = 10, }, .max_entries = { [MESA_SHADER_VERTEX] = 512, [MESA_SHADER_TESS_CTRL] = 32, [MESA_SHADER_TESS_EVAL] = 288, [MESA_SHADER_GEOMETRY] = 192, }, }, }; static const struct gen_device_info gen_device_info_ivb_gt2 = { GEN7_FEATURES, .is_ivybridge = true, .gt = 2, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 8, /* Not sure why this isn't a multiple of * @max_wm_threads ... */ .l3_banks = 4, .max_vs_threads = 128, .max_tcs_threads = 128, .max_tes_threads = 128, .max_gs_threads = 128, .max_wm_threads = 172, .max_cs_threads = 64, .urb = { .size = 256, .min_entries = { [MESA_SHADER_VERTEX] = 32, [MESA_SHADER_TESS_EVAL] = 10, }, .max_entries = { [MESA_SHADER_VERTEX] = 704, [MESA_SHADER_TESS_CTRL] = 64, [MESA_SHADER_TESS_EVAL] = 448, [MESA_SHADER_GEOMETRY] = 320, }, }, }; static const struct gen_device_info gen_device_info_byt = { GEN7_FEATURES, .is_baytrail = true, .gt = 1, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 8, .l3_banks = 1, .has_llc = false, .max_vs_threads = 36, .max_tcs_threads = 36, .max_tes_threads = 36, .max_gs_threads = 36, .max_wm_threads = 48, .max_cs_threads = 32, .urb = { .size = 128, .min_entries = { [MESA_SHADER_VERTEX] = 32, [MESA_SHADER_TESS_EVAL] = 10, }, .max_entries = { [MESA_SHADER_VERTEX] = 512, [MESA_SHADER_TESS_CTRL] = 32, [MESA_SHADER_TESS_EVAL] = 288, [MESA_SHADER_GEOMETRY] = 192, }, }, }; #define HSW_FEATURES \ GEN7_FEATURES, \ .is_haswell = true, \ .supports_simd16_3src = true, \ .has_resource_streamer = true static const struct gen_device_info gen_device_info_hsw_gt1 = { HSW_FEATURES, .gt = 1, .num_slices = 1, .num_subslices = { 1, }, .num_thread_per_eu = 7, .l3_banks = 2, .max_vs_threads = 70, .max_tcs_threads = 70, .max_tes_threads = 70, .max_gs_threads = 70, .max_wm_threads = 102, .max_cs_threads = 70, .urb = { .size = 128, .min_entries = { [MESA_SHADER_VERTEX] = 32, [MESA_SHADER_TESS_EVAL] = 10, }, .max_entries = { [MESA_SHADER_VERTEX] = 640, [MESA_SHADER_TESS_CTRL] = 64, [MESA_SHADER_TESS_EVAL] = 384, [MESA_SHADER_GEOMETRY] = 256, }, }, }; static const struct gen_device_info gen_device_info_hsw_gt2 = { HSW_FEATURES, .gt = 2, .num_slices = 1, .num_subslices = { 2, }, .num_thread_per_eu = 7, .l3_banks = 4, .max_vs_threads = 280, .max_tcs_threads = 256, .max_tes_threads = 280, .max_gs_threads = 256, .max_wm_threads = 204, .max_cs_threads = 70, .urb = { .size = 256, .min_entries = { [MESA_SHADER_VERTEX] = 64, [MESA_SHADER_TESS_EVAL] = 10, }, .max_entries = { [MESA_SHADER_VERTEX] = 1664, [MESA_SHADER_TESS_CTRL] = 128, [MESA_SHADER_TESS_EVAL] = 960, [MESA_SHADER_GEOMETRY] = 640, }, }, }; static const struct gen_device_info gen_device_info_hsw_gt3 = { HSW_FEATURES, .gt = 3, .num_slices = 2, .num_subslices = { 2, }, .num_thread_per_eu = 7, .l3_banks = 8, .max_vs_threads = 280, .max_tcs_threads = 256, .max_tes_threads = 280, .max_gs_threads = 256, .max_wm_threads = 408, .max_cs_threads = 70, .urb = { .size = 512, .min_entries = { [MESA_SHADER_VERTEX] = 64, [MESA_SHADER_TESS_EVAL] = 10, }, .max_entries = { [MESA_SHADER_VERTEX] = 1664, [MESA_SHADER_TESS_CTRL] = 128, [MESA_SHADER_TESS_EVAL] = 960, [MESA_SHADER_GEOMETRY] = 640, }, }, }; /* It's unclear how well supported sampling from the hiz buffer is on GEN8, * so keep things conservative for now and set has_sample_with_hiz = false. */ #define GEN8_FEATURES \ .gen = 8, \ .has_hiz_and_separate_stencil = true, \ .has_resource_streamer = true, \ .must_use_separate_stencil = true, \ .has_llc = true, \ .has_sample_with_hiz = false, \ .has_pln = true, \ .has_64bit_types = true, \ .supports_simd16_3src = true, \ .has_surface_tile_offset = true, \ .max_vs_threads = 504, \ .max_tcs_threads = 504, \ .max_tes_threads = 504, \ .max_gs_threads = 504, \ .max_wm_threads = 384, \ .timestamp_frequency = 12500000 static const struct gen_device_info gen_device_info_bdw_gt1 = { GEN8_FEATURES, .gt = 1, .is_broadwell = true, .num_slices = 1, .num_subslices = { 2, }, .num_thread_per_eu = 7, .l3_banks = 2, .max_cs_threads = 42, .urb = { .size = 192, .min_entries = { [MESA_SHADER_VERTEX] = 64, [MESA_SHADER_TESS_EVAL] = 34, }, .max_entries = { [MESA_SHADER_VERTEX] = 2560, [MESA_SHADER_TESS_CTRL] = 504, [MESA_SHADER_TESS_EVAL] = 1536, [MESA_SHADER_GEOMETRY] = 960, }, } }; static const struct gen_device_info gen_device_info_bdw_gt2 = { GEN8_FEATURES, .gt = 2, .is_broadwell = true, .num_slices = 1, .num_subslices = { 3, }, .num_thread_per_eu = 7, .l3_banks = 4, .max_cs_threads = 56, .urb = { .size = 384, .min_entries = { [MESA_SHADER_VERTEX] = 64, [MESA_SHADER_TESS_EVAL] = 34, }, .max_entries = { [MESA_SHADER_VERTEX] = 2560, [MESA_SHADER_TESS_CTRL] = 504, [MESA_SHADER_TESS_EVAL] = 1536, [MESA_SHADER_GEOMETRY] = 960, }, } }; static const struct gen_device_info gen_device_info_bdw_gt3 = { GEN8_FEATURES, .gt = 3, .is_broadwell = true, .num_slices = 2, .num_subslices = { 3, 3, }, .num_thread_per_eu = 7, .l3_banks = 8, .max_cs_threads = 56, .urb = { .size = 384, .min_entries = { [MESA_SHADER_VERTEX] = 64, [MESA_SHADER_TESS_EVAL] = 34, }, .max_entries = { [MESA_SHADER_VERTEX] = 2560, [MESA_SHADER_TESS_CTRL] = 504, [MESA_SHADER_TESS_EVAL] = 1536, [MESA_SHADER_GEOMETRY] = 960, }, } }; static const struct gen_device_info gen_device_info_chv = { GEN8_FEATURES, .is_cherryview = 1, .gt = 1, .has_llc = false, .num_slices = 1, .num_subslices = { 2, }, .num_thread_per_eu = 7, .l3_banks = 2, .max_vs_threads = 80, .max_tcs_threads = 80, .max_tes_threads = 80, .max_gs_threads = 80, .max_wm_threads = 128, .max_cs_threads = 6 * 7, .urb = { .size = 192, .min_entries = { [MESA_SHADER_VERTEX] = 34, [MESA_SHADER_TESS_EVAL] = 34, }, .max_entries = { [MESA_SHADER_VERTEX] = 640, [MESA_SHADER_TESS_CTRL] = 80, [MESA_SHADER_TESS_EVAL] = 384, [MESA_SHADER_GEOMETRY] = 256, }, } }; #define GEN9_HW_INFO \ .gen = 9, \ .max_vs_threads = 336, \ .max_gs_threads = 336, \ .max_tcs_threads = 336, \ .max_tes_threads = 336, \ .max_cs_threads = 56, \ .timestamp_frequency = 12000000, \ .urb = { \ .size = 384, \ .min_entries = { \ [MESA_SHADER_VERTEX] = 64, \ [MESA_SHADER_TESS_EVAL] = 34, \ }, \ .max_entries = { \ [MESA_SHADER_VERTEX] = 1856, \ [MESA_SHADER_TESS_CTRL] = 672, \ [MESA_SHADER_TESS_EVAL] = 1120, \ [MESA_SHADER_GEOMETRY] = 640, \ }, \ } #define GEN9_LP_FEATURES \ GEN8_FEATURES, \ GEN9_HW_INFO, \ .gt = 1, \ .has_llc = false, \ .has_sample_with_hiz = true, \ .num_slices = 1, \ .num_thread_per_eu = 6, \ .max_vs_threads = 112, \ .max_tcs_threads = 112, \ .max_tes_threads = 112, \ .max_gs_threads = 112, \ .max_cs_threads = 6 * 6, \ .timestamp_frequency = 19200000, \ .urb = { \ .size = 192, \ .min_entries = { \ [MESA_SHADER_VERTEX] = 34, \ [MESA_SHADER_TESS_EVAL] = 34, \ }, \ .max_entries = { \ [MESA_SHADER_VERTEX] = 704, \ [MESA_SHADER_TESS_CTRL] = 256, \ [MESA_SHADER_TESS_EVAL] = 416, \ [MESA_SHADER_GEOMETRY] = 256, \ }, \ } #define GEN9_LP_FEATURES_3X6 \ GEN9_LP_FEATURES, \ .num_subslices = { 3, } #define GEN9_LP_FEATURES_2X6 \ GEN9_LP_FEATURES, \ .num_subslices = { 2, }, \ .max_vs_threads = 56, \ .max_tcs_threads = 56, \ .max_tes_threads = 56, \ .max_gs_threads = 56, \ .max_cs_threads = 6 * 6, \ .urb = { \ .size = 128, \ .min_entries = { \ [MESA_SHADER_VERTEX] = 34, \ [MESA_SHADER_TESS_EVAL] = 34, \ }, \ .max_entries = { \ [MESA_SHADER_VERTEX] = 352, \ [MESA_SHADER_TESS_CTRL] = 128, \ [MESA_SHADER_TESS_EVAL] = 208, \ [MESA_SHADER_GEOMETRY] = 128, \ }, \ } #define GEN9_FEATURES \ GEN8_FEATURES, \ GEN9_HW_INFO, \ .has_sample_with_hiz = true, \ .num_thread_per_eu = 7 static const struct gen_device_info gen_device_info_skl_gt1 = { GEN9_FEATURES, .gt = 1, .is_skylake = true, .num_slices = 1, .num_subslices = { 2, }, .l3_banks = 2, .urb.size = 192, }; static const struct gen_device_info gen_device_info_skl_gt2 = { GEN9_FEATURES, .gt = 2, .is_skylake = true, .num_slices = 1, .num_subslices = { 3, }, .l3_banks = 4, }; static const struct gen_device_info gen_device_info_skl_gt3 = { GEN9_FEATURES, .gt = 3, .is_skylake = true, .num_slices = 2, .num_subslices = { 3, 3, }, .l3_banks = 8, }; static const struct gen_device_info gen_device_info_skl_gt4 = { GEN9_FEATURES, .gt = 4, .is_skylake = true, .num_slices = 3, .num_subslices = { 3, 3, 3, }, .l3_banks = 12, /* From the "L3 Allocation and Programming" documentation: * * "URB is limited to 1008KB due to programming restrictions. This is not a * restriction of the L3 implementation, but of the FF and other clients. * Therefore, in a GT4 implementation it is possible for the programmed * allocation of the L3 data array to provide 3*384KB=1152KB for URB, but * only 1008KB of this will be used." */ .urb.size = 1008 / 3, }; static const struct gen_device_info gen_device_info_bxt = { GEN9_LP_FEATURES_3X6, .is_broxton = true, .l3_banks = 2, }; static const struct gen_device_info gen_device_info_bxt_2x6 = { GEN9_LP_FEATURES_2X6, .is_broxton = true, .l3_banks = 1, }; /* * Note: for all KBL SKUs, the PRM says SKL for GS entries, not SKL+. * There's no KBL entry. Using the default SKL (GEN9) GS entries value. */ static const struct gen_device_info gen_device_info_kbl_gt1 = { GEN9_FEATURES, .is_kabylake = true, .gt = 1, .max_cs_threads = 7 * 6, .urb.size = 192, .num_slices = 1, .num_subslices = { 2, }, .l3_banks = 2, }; static const struct gen_device_info gen_device_info_kbl_gt1_5 = { GEN9_FEATURES, .is_kabylake = true, .gt = 1, .max_cs_threads = 7 * 6, .num_slices = 1, .num_subslices = { 3, }, .l3_banks = 4, }; static const struct gen_device_info gen_device_info_kbl_gt2 = { GEN9_FEATURES, .is_kabylake = true, .gt = 2, .num_slices = 1, .num_subslices = { 3, }, .l3_banks = 4, }; static const struct gen_device_info gen_device_info_kbl_gt3 = { GEN9_FEATURES, .is_kabylake = true, .gt = 3, .num_slices = 2, .num_subslices = { 3, 3, }, .l3_banks = 8, }; static const struct gen_device_info gen_device_info_kbl_gt4 = { GEN9_FEATURES, .is_kabylake = true, .gt = 4, /* * From the "L3 Allocation and Programming" documentation: * * "URB is limited to 1008KB due to programming restrictions. This * is not a restriction of the L3 implementation, but of the FF and * other clients. Therefore, in a GT4 implementation it is * possible for the programmed allocation of the L3 data array to * provide 3*384KB=1152KB for URB, but only 1008KB of this * will be used." */ .urb.size = 1008 / 3, .num_slices = 3, .num_subslices = { 3, 3, 3, }, .l3_banks = 12, }; static const struct gen_device_info gen_device_info_glk = { GEN9_LP_FEATURES_3X6, .is_geminilake = true, .l3_banks = 2, }; /*TODO: Initialize l3_banks when we know the number. */ static const struct gen_device_info gen_device_info_glk_2x6 = { GEN9_LP_FEATURES_2X6, .is_geminilake = true, }; static const struct gen_device_info gen_device_info_cfl_gt1 = { GEN9_FEATURES, .is_coffeelake = true, .gt = 1, .num_slices = 1, .num_subslices = { 2, }, .l3_banks = 2, }; static const struct gen_device_info gen_device_info_cfl_gt2 = { GEN9_FEATURES, .is_coffeelake = true, .gt = 2, .num_slices = 1, .num_subslices = { 3, }, .l3_banks = 4, }; static const struct gen_device_info gen_device_info_cfl_gt3 = { GEN9_FEATURES, .is_coffeelake = true, .gt = 3, .num_slices = 2, .num_subslices = { 3, 3, }, .l3_banks = 8, }; #define GEN10_HW_INFO \ .gen = 10, \ .num_thread_per_eu = 7, \ .max_vs_threads = 728, \ .max_gs_threads = 432, \ .max_tcs_threads = 432, \ .max_tes_threads = 624, \ .max_cs_threads = 56, \ .timestamp_frequency = 19200000, \ .urb = { \ .size = 256, \ .min_entries = { \ [MESA_SHADER_VERTEX] = 64, \ [MESA_SHADER_TESS_EVAL] = 34, \ }, \ .max_entries = { \ [MESA_SHADER_VERTEX] = 3936, \ [MESA_SHADER_TESS_CTRL] = 896, \ [MESA_SHADER_TESS_EVAL] = 2064, \ [MESA_SHADER_GEOMETRY] = 832, \ }, \ } #define subslices(args...) { args, } #define GEN10_FEATURES(_gt, _slices, _subslices, _l3) \ GEN8_FEATURES, \ GEN10_HW_INFO, \ .has_sample_with_hiz = true, \ .gt = _gt, \ .num_slices = _slices, \ .num_subslices = _subslices, \ .l3_banks = _l3 static const struct gen_device_info gen_device_info_cnl_2x8 = { /* GT0.5 */ GEN10_FEATURES(1, 1, subslices(2), 2), .is_cannonlake = true, }; static const struct gen_device_info gen_device_info_cnl_3x8 = { /* GT1 */ GEN10_FEATURES(1, 1, subslices(3), 3), .is_cannonlake = true, }; static const struct gen_device_info gen_device_info_cnl_4x8 = { /* GT 1.5 */ GEN10_FEATURES(1, 2, subslices(2, 2), 6), .is_cannonlake = true, }; static const struct gen_device_info gen_device_info_cnl_5x8 = { /* GT2 */ GEN10_FEATURES(2, 2, subslices(3, 2), 6), .is_cannonlake = true, }; #define GEN11_HW_INFO \ .gen = 11, \ .has_pln = false, \ .max_vs_threads = 364, \ .max_gs_threads = 224, \ .max_tcs_threads = 224, \ .max_tes_threads = 364, \ .max_cs_threads = 56, \ .urb = { \ .size = 1024, \ .min_entries = { \ [MESA_SHADER_VERTEX] = 64, \ [MESA_SHADER_TESS_EVAL] = 34, \ }, \ .max_entries = { \ [MESA_SHADER_VERTEX] = 2384, \ [MESA_SHADER_TESS_CTRL] = 1032, \ [MESA_SHADER_TESS_EVAL] = 2384, \ [MESA_SHADER_GEOMETRY] = 1032, \ }, \ } #define GEN11_FEATURES(_gt, _slices, _subslices, _l3) \ GEN8_FEATURES, \ GEN11_HW_INFO, \ .has_64bit_types = false, \ .gt = _gt, .num_slices = _slices, .l3_banks = _l3, \ .num_subslices = _subslices static const struct gen_device_info gen_device_info_icl_8x8 = { GEN11_FEATURES(2, 1, subslices(8), 8), }; static const struct gen_device_info gen_device_info_icl_6x8 = { GEN11_FEATURES(1, 1, subslices(6), 6), }; static const struct gen_device_info gen_device_info_icl_4x8 = { GEN11_FEATURES(1, 1, subslices(4), 6), }; static const struct gen_device_info gen_device_info_icl_1x8 = { GEN11_FEATURES(1, 1, subslices(1), 6), }; bool gen_get_device_info(int devid, struct gen_device_info *devinfo) { switch (devid) { #undef CHIPSET #define CHIPSET(id, family, name) \ case id: *devinfo = gen_device_info_##family; break; #include "pci_ids/i965_pci_ids.h" default: fprintf(stderr, "i965_dri.so does not support the 0x%x PCI ID.\n", devid); return false; } /* From the Skylake PRM, 3DSTATE_PS::Scratch Space Base Pointer: * * "Scratch Space per slice is computed based on 4 sub-slices. SW must * allocate scratch space enough so that each slice has 4 slices allowed." * * The equivalent internal documentation says that this programming note * applies to all Gen9+ platforms. * * The hardware typically calculates the scratch space pointer by taking * the base address, and adding per-thread-scratch-space * thread ID. * Extra padding can be necessary depending how the thread IDs are * calculated for a particular shader stage. */ switch(devinfo->gen) { case 9: case 10: devinfo->max_wm_threads = 64 /* threads-per-PSD */ * devinfo->num_slices * 4; /* effective subslices per slice */ break; case 11: devinfo->max_wm_threads = 128 /* threads-per-PSD */ * devinfo->num_slices * 8; /* subslices per slice */ break; default: break; } assert(devinfo->num_slices <= ARRAY_SIZE(devinfo->num_subslices)); return true; } const char * gen_get_device_name(int devid) { switch (devid) { #undef CHIPSET #define CHIPSET(id, family, name) case id: return name; #include "pci_ids/i965_pci_ids.h" default: return NULL; } }