src/amd/common/ac_gpu_info.c

   1 /*
   2  * Copyright © 2017 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining
   5  * a copy of this software and associated documentation files (the
   6  * "Software"), to deal in the Software without restriction, including
   7  * without limitation the rights to use, copy, modify, merge, publish,
   8  * distribute, sub license, and/or sell copies of the Software, and to
   9  * permit persons to whom the Software is furnished to do so, subject to
  10  * the following conditions:
  11  *
  12  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  13  * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
  14  * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  15  * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS
  16  * AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  17  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  18  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  *
  21  * The above copyright notice and this permission notice (including the
  22  * next paragraph) shall be included in all copies or substantial portions
  23  * of the Software.
  24  */
  25
  26 #include "ac_gpu_info.h"
  27 #include "sid.h"
  28 #include "gfx9d.h"
  29
  30 #include "util/u_math.h"
  31
  32 #include <stdio.h>
  33
  34 #include <xf86drm.h>
  35 #include <amdgpu_drm.h>
  36
  37 #define CIK_TILE_MODE_COLOR_2D                  14
  38
  39 #define CIK__GB_TILE_MODE__PIPE_CONFIG(x)        (((x) >> 6) & 0x1f)
  40 #define     CIK__PIPE_CONFIG__ADDR_SURF_P2               0
  41 #define     CIK__PIPE_CONFIG__ADDR_SURF_P4_8x16          4
  42 #define     CIK__PIPE_CONFIG__ADDR_SURF_P4_16x16         5
  43 #define     CIK__PIPE_CONFIG__ADDR_SURF_P4_16x32         6
  44 #define     CIK__PIPE_CONFIG__ADDR_SURF_P4_32x32         7
  45 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16    8
  46 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16    9
  47 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16    10
  48 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16   11
  49 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16   12
  50 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32   13
  51 #define     CIK__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32   14
  52 #define     CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_8X16   16
  53 #define     CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_16X16  17
  54
  55 static unsigned cik_get_num_tile_pipes(struct amdgpu_gpu_info *info)
  56 {
  57    unsigned mode2d = info->gb_tile_mode[CIK_TILE_MODE_COLOR_2D];
  58
  59    switch (CIK__GB_TILE_MODE__PIPE_CONFIG(mode2d)) {
  60    case CIK__PIPE_CONFIG__ADDR_SURF_P2:
  61        return 2;
  62    case CIK__PIPE_CONFIG__ADDR_SURF_P4_8x16:
  63    case CIK__PIPE_CONFIG__ADDR_SURF_P4_16x16:
  64    case CIK__PIPE_CONFIG__ADDR_SURF_P4_16x32:
  65    case CIK__PIPE_CONFIG__ADDR_SURF_P4_32x32:
  66        return 4;
  67    case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16:
  68    case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16:
  69    case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16:
  70    case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16:
  71    case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16:
  72    case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32:
  73    case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32:
  74        return 8;
  75    case CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_8X16:
  76    case CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_16X16:
  77        return 16;
  78    default:
  79        fprintf(stderr, "Invalid CIK pipe configuration, assuming P2\n");
  80        assert(!"this should never occur");
  81        return 2;
  82    }
  83 }
  84
  85 bool ac_query_gpu_info(int fd, amdgpu_device_handle dev,
  86                        struct radeon_info *info,
  87                        struct amdgpu_gpu_info *amdinfo)
  88 {
  89         struct amdgpu_buffer_size_alignments alignment_info = {};
  90         struct amdgpu_heap_info vram, vram_vis, gtt;
  91         struct drm_amdgpu_info_hw_ip dma = {}, compute = {}, uvd = {}, vce = {}, vcn_dec = {};
  92         uint32_t vce_version = 0, vce_feature = 0, uvd_version = 0, uvd_feature = 0;
  93         uint32_t unused_feature;
  94         int r, i, j;
  95         drmDevicePtr devinfo;
  96
  97         /* Get PCI info. */
  98         r = drmGetDevice2(fd, 0, &devinfo);
  99         if (r) {
 100                 fprintf(stderr, "amdgpu: drmGetDevice2 failed.\n");
 101                 return false;
 102         }
 103         info->pci_domain = devinfo->businfo.pci->domain;
 104         info->pci_bus = devinfo->businfo.pci->bus;
 105         info->pci_dev = devinfo->businfo.pci->dev;
 106         info->pci_func = devinfo->businfo.pci->func;
 107         drmFreeDevice(&devinfo);
 108
 109         /* Query hardware and driver information. */
 110         r = amdgpu_query_gpu_info(dev, amdinfo);
 111         if (r) {
 112                 fprintf(stderr, "amdgpu: amdgpu_query_gpu_info failed.\n");
 113                 return false;
 114         }
 115
 116         r = amdgpu_query_buffer_size_alignment(dev, &alignment_info);
 117         if (r) {
 118                 fprintf(stderr, "amdgpu: amdgpu_query_buffer_size_alignment failed.\n");
 119                 return false;
 120         }
 121
 122         r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_VRAM, 0, &vram);
 123         if (r) {
 124                 fprintf(stderr, "amdgpu: amdgpu_query_heap_info(vram) failed.\n");
 125                 return false;
 126         }
 127
 128         r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_VRAM,
 129                                 AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED,
 130                                 &vram_vis);
 131         if (r) {
 132                 fprintf(stderr, "amdgpu: amdgpu_query_heap_info(vram_vis) failed.\n");
 133                 return false;
 134         }
 135
 136         r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_GTT, 0, &gtt);
 137         if (r) {
 138                 fprintf(stderr, "amdgpu: amdgpu_query_heap_info(gtt) failed.\n");
 139                 return false;
 140         }
 141
 142         r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_DMA, 0, &dma);
 143         if (r) {
 144                 fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(dma) failed.\n");
 145                 return false;
 146         }
 147
 148         r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_COMPUTE, 0, &compute);
 149         if (r) {
 150                 fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(compute) failed.\n");
 151                 return false;
 152         }
 153
 154         r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_UVD, 0, &uvd);
 155         if (r) {
 156                 fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(uvd) failed.\n");
 157                 return false;
 158         }
 159
 160         if (info->drm_major == 3 && info->drm_minor >= 17) {
 161                 r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_VCN_DEC, 0, &vcn_dec);
 162                 if (r) {
 163                         fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(vcn_dec) failed.\n");
 164                         return false;
 165                 }
 166         }
 167
 168         r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_ME, 0, 0,
 169                                         &info->me_fw_version, &unused_feature);
 170         if (r) {
 171                 fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(me) failed.\n");
 172                 return false;
 173         }
 174
 175         r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_PFP, 0, 0,
 176                                         &info->pfp_fw_version, &unused_feature);
 177         if (r) {
 178                 fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(pfp) failed.\n");
 179                 return false;
 180         }
 181
 182         r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_CE, 0, 0,
 183                                         &info->ce_fw_version, &unused_feature);
 184         if (r) {
 185                 fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(ce) failed.\n");
 186                 return false;
 187         }
 188
 189         r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_UVD, 0, 0,
 190                                         &uvd_version, &uvd_feature);
 191         if (r) {
 192                 fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(uvd) failed.\n");
 193                 return false;
 194         }
 195
 196         r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_VCE, 0, &vce);
 197         if (r) {
 198                 fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(vce) failed.\n");
 199                 return false;
 200         }
 201
 202         r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_VCE, 0, 0,
 203                                         &vce_version, &vce_feature);
 204         if (r) {
 205                 fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(vce) failed.\n");
 206                 return false;
 207         }
 208
 209         /* Set chip identification. */
 210         info->pci_id = amdinfo->asic_id; /* TODO: is this correct? */
 211         info->vce_harvest_config = amdinfo->vce_harvest_config;
 212
 213         switch (info->pci_id) {
 214 #define CHIPSET(pci_id, name, cfamily) case pci_id: info->family = CHIP_##cfamily; break;
 215 #include "pci_ids/radeonsi_pci_ids.h"
 216 #undef CHIPSET
 217
 218         default:
 219                 fprintf(stderr, "amdgpu: Invalid PCI ID.\n");
 220                 return false;
 221         }
 222
 223         if (info->family >= CHIP_VEGA10)
 224                 info->chip_class = GFX9;
 225         else if (info->family >= CHIP_TONGA)
 226                 info->chip_class = VI;
 227         else if (info->family >= CHIP_BONAIRE)
 228                 info->chip_class = CIK;
 229         else if (info->family >= CHIP_TAHITI)
 230                 info->chip_class = SI;
 231         else {
 232                 fprintf(stderr, "amdgpu: Unknown family.\n");
 233                 return false;
 234         }
 235
 236         /* Set which chips have dedicated VRAM. */
 237         info->has_dedicated_vram =
 238                 !(amdinfo->ids_flags & AMDGPU_IDS_FLAGS_FUSION);
 239
 240         /* Set hardware information. */
 241         info->gart_size = gtt.heap_size;
 242         info->vram_size = vram.heap_size;
 243         info->vram_vis_size = vram_vis.heap_size;
 244         /* The kernel can split large buffers in VRAM but not in GTT, so large
 245          * allocations can fail or cause buffer movement failures in the kernel.
 246          */
 247         info->max_alloc_size = MIN2(info->vram_size * 0.9, info->gart_size * 0.7);
 248         /* convert the shader clock from KHz to MHz */
 249         info->max_shader_clock = amdinfo->max_engine_clk / 1000;
 250         info->max_se = amdinfo->num_shader_engines;
 251         info->max_sh_per_se = amdinfo->num_shader_arrays_per_engine;
 252         info->has_hw_decode = uvd.available_rings != 0;
 253         info->uvd_fw_version =
 254                 uvd.available_rings ? uvd_version : 0;
 255         info->vce_fw_version =
 256                 vce.available_rings ? vce_version : 0;
 257         info->has_userptr = true;
 258         info->num_render_backends = amdinfo->rb_pipes;
 259         info->clock_crystal_freq = amdinfo->gpu_counter_freq;
 260         info->tcc_cache_line_size = 64; /* TC L2 line size on GCN */
 261         if (info->chip_class == GFX9) {
 262                 info->num_tile_pipes = 1 << G_0098F8_NUM_PIPES(amdinfo->gb_addr_cfg);
 263                 info->pipe_interleave_bytes =
 264                         256 << G_0098F8_PIPE_INTERLEAVE_SIZE_GFX9(amdinfo->gb_addr_cfg);
 265         } else {
 266                 info->num_tile_pipes = cik_get_num_tile_pipes(amdinfo);
 267                 info->pipe_interleave_bytes =
 268                         256 << G_0098F8_PIPE_INTERLEAVE_SIZE_GFX6(amdinfo->gb_addr_cfg);
 269         }
 270         info->has_virtual_memory = true;
 271
 272         assert(util_is_power_of_two(dma.available_rings + 1));
 273         assert(util_is_power_of_two(compute.available_rings + 1));
 274
 275         info->num_sdma_rings = util_bitcount(dma.available_rings);
 276         info->num_compute_rings = util_bitcount(compute.available_rings);
 277
 278         /* Get the number of good compute units. */
 279         info->num_good_compute_units = 0;
 280         for (i = 0; i < info->max_se; i++)
 281                 for (j = 0; j < info->max_sh_per_se; j++)
 282                         info->num_good_compute_units +=
 283                                 util_bitcount(amdinfo->cu_bitmap[i][j]);
 284
 285         memcpy(info->si_tile_mode_array, amdinfo->gb_tile_mode,
 286                 sizeof(amdinfo->gb_tile_mode));
 287         info->enabled_rb_mask = amdinfo->enabled_rb_pipes_mask;
 288
 289         memcpy(info->cik_macrotile_mode_array, amdinfo->gb_macro_tile_mode,
 290                 sizeof(amdinfo->gb_macro_tile_mode));
 291
 292         info->pte_fragment_size = alignment_info.size_local;
 293         info->gart_page_size = alignment_info.size_remote;
 294
 295         if (info->chip_class == SI)
 296                 info->gfx_ib_pad_with_type2 = TRUE;
 297
 298         return true;
 299 }
 300