src/mesa/drivers/dri/i965/brw_device_info.c

   1 /*
   2  * Copyright © 2013 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 #include <stdio.h>
  25 #include <stdlib.h>
  26 #include "brw_device_info.h"
  27
  28 static const struct brw_device_info brw_device_info_i965 = {
  29    .gen = 4,
  30    .has_negative_rhw_bug = true,
  31    .max_vs_threads = 16,
  32    .max_gs_threads = 2,
  33    .max_wm_threads = 8 * 4,
  34    .urb = {
  35       .size = 256,
  36    },
  37 };
  38
  39 static const struct brw_device_info brw_device_info_g4x = {
  40    .gen = 4,
  41    .has_pln = true,
  42    .has_compr4 = true,
  43    .has_surface_tile_offset = true,
  44    .is_g4x = true,
  45    .max_vs_threads = 32,
  46    .max_gs_threads = 2,
  47    .max_wm_threads = 10 * 5,
  48    .urb = {
  49       .size = 384,
  50    },
  51 };
  52
  53 static const struct brw_device_info brw_device_info_ilk = {
  54    .gen = 5,
  55    .has_pln = true,
  56    .has_compr4 = true,
  57    .has_surface_tile_offset = true,
  58    .max_vs_threads = 72,
  59    .max_gs_threads = 32,
  60    .max_wm_threads = 12 * 6,
  61    .urb = {
  62       .size = 1024,
  63    },
  64 };
  65
  66 static const struct brw_device_info brw_device_info_snb_gt1 = {
  67    .gen = 6,
  68    .gt = 1,
  69    .has_hiz_and_separate_stencil = true,
  70    .has_llc = true,
  71    .has_pln = true,
  72    .has_surface_tile_offset = true,
  73    .needs_unlit_centroid_workaround = true,
  74    .max_vs_threads = 24,
  75    .max_gs_threads = 21, /* conservative; 24 if rendering disabled. */
  76    .max_wm_threads = 40,
  77    .urb = {
  78       .size = 32,
  79       .min_vs_entries = 24,
  80       .max_vs_entries = 256,
  81       .max_gs_entries = 256,
  82    },
  83 };
  84
  85 static const struct brw_device_info brw_device_info_snb_gt2 = {
  86    .gen = 6,
  87    .gt = 2,
  88    .has_hiz_and_separate_stencil = true,
  89    .has_llc = true,
  90    .has_pln = true,
  91    .has_surface_tile_offset = true,
  92    .needs_unlit_centroid_workaround = true,
  93    .max_vs_threads = 60,
  94    .max_gs_threads = 60,
  95    .max_wm_threads = 80,
  96    .urb = {
  97       .size = 64,
  98       .min_vs_entries = 24,
  99       .max_vs_entries = 256,
 100       .max_gs_entries = 256,
 101    },
 102 };
 103
 104 #define GEN7_FEATURES                               \
 105    .gen = 7,                                        \
 106    .has_hiz_and_separate_stencil = true,            \
 107    .must_use_separate_stencil = true,               \
 108    .has_llc = true,                                 \
 109    .has_pln = true,                                 \
 110    .has_surface_tile_offset = true
 111
 112 static const struct brw_device_info brw_device_info_ivb_gt1 = {
 113    GEN7_FEATURES, .is_ivybridge = true, .gt = 1,
 114    .needs_unlit_centroid_workaround = true,
 115    .max_vs_threads = 36,
 116    .max_hs_threads = 36,
 117    .max_ds_threads = 36,
 118    .max_gs_threads = 36,
 119    .max_wm_threads = 48,
 120    .max_cs_threads = 36,
 121    .urb = {
 122       .size = 128,
 123       .min_vs_entries = 32,
 124       .max_vs_entries = 512,
 125       .max_hs_entries = 32,
 126       .max_ds_entries = 288,
 127       .max_gs_entries = 192,
 128    },
 129 };
 130
 131 static const struct brw_device_info brw_device_info_ivb_gt2 = {
 132    GEN7_FEATURES, .is_ivybridge = true, .gt = 2,
 133    .needs_unlit_centroid_workaround = true,
 134    .max_vs_threads = 128,
 135    .max_hs_threads = 128,
 136    .max_ds_threads = 128,
 137    .max_gs_threads = 128,
 138    .max_wm_threads = 172,
 139    .max_cs_threads = 64,
 140    .urb = {
 141       .size = 256,
 142       .min_vs_entries = 32,
 143       .max_vs_entries = 704,
 144       .max_hs_entries = 64,
 145       .max_ds_entries = 448,
 146       .max_gs_entries = 320,
 147    },
 148 };
 149
 150 static const struct brw_device_info brw_device_info_byt = {
 151    GEN7_FEATURES, .is_baytrail = true, .gt = 1,
 152    .needs_unlit_centroid_workaround = true,
 153    .has_llc = false,
 154    .max_vs_threads = 36,
 155    .max_hs_threads = 36,
 156    .max_ds_threads = 36,
 157    .max_gs_threads = 36,
 158    .max_wm_threads = 48,
 159    .max_cs_threads = 32,
 160    .urb = {
 161       .size = 128,
 162       .min_vs_entries = 32,
 163       .max_vs_entries = 512,
 164       .max_hs_entries = 32,
 165       .max_ds_entries = 288,
 166       .max_gs_entries = 192,
 167    },
 168 };
 169
 170 #define HSW_FEATURES             \
 171    GEN7_FEATURES,                \
 172    .is_haswell = true,           \
 173    .supports_simd16_3src = true, \
 174    .has_resource_streamer = true
 175
 176 static const struct brw_device_info brw_device_info_hsw_gt1 = {
 177    HSW_FEATURES, .gt = 1,
 178    .max_vs_threads = 70,
 179    .max_hs_threads = 70,
 180    .max_ds_threads = 70,
 181    .max_gs_threads = 70,
 182    .max_wm_threads = 102,
 183    .max_cs_threads = 70,
 184    .urb = {
 185       .size = 128,
 186       .min_vs_entries = 32,
 187       .max_vs_entries = 640,
 188       .max_hs_entries = 64,
 189       .max_ds_entries = 384,
 190       .max_gs_entries = 256,
 191    },
 192 };
 193
 194 static const struct brw_device_info brw_device_info_hsw_gt2 = {
 195    HSW_FEATURES, .gt = 2,
 196    .max_vs_threads = 280,
 197    .max_hs_threads = 256,
 198    .max_ds_threads = 280,
 199    .max_gs_threads = 256,
 200    .max_wm_threads = 204,
 201    .max_cs_threads = 70,
 202    .urb = {
 203       .size = 256,
 204       .min_vs_entries = 64,
 205       .max_vs_entries = 1664,
 206       .max_hs_entries = 128,
 207       .max_ds_entries = 960,
 208       .max_gs_entries = 640,
 209    },
 210 };
 211
 212 static const struct brw_device_info brw_device_info_hsw_gt3 = {
 213    HSW_FEATURES, .gt = 3,
 214    .max_vs_threads = 280,
 215    .max_hs_threads = 256,
 216    .max_ds_threads = 280,
 217    .max_gs_threads = 256,
 218    .max_wm_threads = 408,
 219    .max_cs_threads = 70,
 220    .urb = {
 221       .size = 512,
 222       .min_vs_entries = 64,
 223       .max_vs_entries = 1664,
 224       .max_hs_entries = 128,
 225       .max_ds_entries = 960,
 226       .max_gs_entries = 640,
 227    },
 228 };
 229
 230 #define GEN8_FEATURES                               \
 231    .gen = 8,                                        \
 232    .has_hiz_and_separate_stencil = true,            \
 233    .has_resource_streamer = true,                   \
 234    .must_use_separate_stencil = true,               \
 235    .has_llc = true,                                 \
 236    .has_pln = true,                                 \
 237    .supports_simd16_3src = true,                    \
 238    .max_vs_threads = 504,                           \
 239    .max_hs_threads = 504,                           \
 240    .max_ds_threads = 504,                           \
 241    .max_gs_threads = 504,                           \
 242    .max_wm_threads = 384
 243
 244 static const struct brw_device_info brw_device_info_bdw_gt1 = {
 245    GEN8_FEATURES, .gt = 1,
 246    .max_cs_threads = 42,
 247    .urb = {
 248       .size = 192,
 249       .min_vs_entries = 64,
 250       .max_vs_entries = 2560,
 251       .max_hs_entries = 504,
 252       .max_ds_entries = 1536,
 253       .max_gs_entries = 960,
 254    }
 255 };
 256
 257 static const struct brw_device_info brw_device_info_bdw_gt2 = {
 258    GEN8_FEATURES, .gt = 2,
 259    .max_cs_threads = 56,
 260    .urb = {
 261       .size = 384,
 262       .min_vs_entries = 64,
 263       .max_vs_entries = 2560,
 264       .max_hs_entries = 504,
 265       .max_ds_entries = 1536,
 266       .max_gs_entries = 960,
 267    }
 268 };
 269
 270 static const struct brw_device_info brw_device_info_bdw_gt3 = {
 271    GEN8_FEATURES, .gt = 3,
 272    .max_cs_threads = 56,
 273    .urb = {
 274       .size = 384,
 275       .min_vs_entries = 64,
 276       .max_vs_entries = 2560,
 277       .max_hs_entries = 504,
 278       .max_ds_entries = 1536,
 279       .max_gs_entries = 960,
 280    }
 281 };
 282
 283 static const struct brw_device_info brw_device_info_chv = {
 284    GEN8_FEATURES, .is_cherryview = 1, .gt = 1,
 285    .has_llc = false,
 286    .max_vs_threads = 80,
 287    .max_hs_threads = 80,
 288    .max_ds_threads = 80,
 289    .max_gs_threads = 80,
 290    .max_wm_threads = 128,
 291    .max_cs_threads = 28,
 292    .urb = {
 293       .size = 192,
 294       .min_vs_entries = 34,
 295       .max_vs_entries = 640,
 296       .max_hs_entries = 80,
 297       .max_ds_entries = 384,
 298       .max_gs_entries = 256,
 299    }
 300 };
 301
 302 /* Thread counts and URB limits are placeholders, and may not be accurate. */
 303 #define GEN9_FEATURES                               \
 304    .gen = 9,                                        \
 305    .has_hiz_and_separate_stencil = true,            \
 306    .has_resource_streamer = true,                   \
 307    .must_use_separate_stencil = true,               \
 308    .has_llc = true,                                 \
 309    .has_pln = true,                                 \
 310    .supports_simd16_3src = true,                    \
 311    .max_vs_threads = 280,                           \
 312    .max_gs_threads = 256,                           \
 313    .max_wm_threads = 408,                           \
 314    .urb = {                                         \
 315       .size = 128,                                  \
 316       .min_vs_entries = 64,                         \
 317       .max_vs_entries = 1664,                       \
 318       .max_gs_entries = 640,                        \
 319    }
 320
 321 static const struct brw_device_info brw_device_info_skl_early = {
 322    GEN9_FEATURES, .gt = 1,
 323    .supports_simd16_3src = false,
 324 };
 325
 326 static const struct brw_device_info brw_device_info_skl_gt1 = {
 327    GEN9_FEATURES, .gt = 1,
 328 };
 329
 330 static const struct brw_device_info brw_device_info_skl_gt2 = {
 331    GEN9_FEATURES, .gt = 2,
 332 };
 333
 334 static const struct brw_device_info brw_device_info_skl_gt3 = {
 335    GEN9_FEATURES, .gt = 3,
 336 };
 337
 338 static const struct brw_device_info brw_device_info_bxt = {
 339    GEN9_FEATURES,
 340    .is_broxton = 1,
 341    .gt = 1,
 342    .has_llc = false,
 343    .max_vs_threads = 112,
 344    .max_gs_threads = 112,
 345    .max_wm_threads = 32,
 346    .urb = {
 347       .size = 64,
 348       .min_vs_entries = 34,
 349       .max_vs_entries = 640,
 350       .max_gs_entries = 256,
 351    }
 352 };
 353
 354 const struct brw_device_info *
 355 brw_get_device_info(int devid, int revision)
 356 {
 357    const struct brw_device_info *devinfo;
 358    switch (devid) {
 359 #undef CHIPSET
 360 #define CHIPSET(id, family, name) \
 361    case id: devinfo = &brw_device_info_##family; break;
 362 #include "pci_ids/i965_pci_ids.h"
 363    default:
 364       fprintf(stderr, "i965_dri.so does not support the 0x%x PCI ID.\n", devid);
 365       return NULL;
 366    }
 367
 368    if (devinfo->gen == 9 &&
 369        !devinfo->is_broxton &&
 370        (revision == 2 || revision == 3 || revision == -1))
 371       return &brw_device_info_skl_early;
 372
 373    return devinfo;
 374 }