/* * Copyright © 2017 Advanced Micro Devices, Inc. * * 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, sub license, 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 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 * NON-INFRINGEMENT. IN NO EVENT SHALL THE COPYRIGHT HOLDERS, AUTHORS * AND/OR ITS SUPPLIERS 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. * * The above copyright notice and this permission notice (including the * next paragraph) shall be included in all copies or substantial portions * of the Software. */ #include "ac_gpu_info.h" #include "sid.h" #include "gfx9d.h" #include "util/u_math.h" #include #include #include #define CIK_TILE_MODE_COLOR_2D 14 #define CIK__GB_TILE_MODE__PIPE_CONFIG(x) (((x) >> 6) & 0x1f) #define CIK__PIPE_CONFIG__ADDR_SURF_P2 0 #define CIK__PIPE_CONFIG__ADDR_SURF_P4_8x16 4 #define CIK__PIPE_CONFIG__ADDR_SURF_P4_16x16 5 #define CIK__PIPE_CONFIG__ADDR_SURF_P4_16x32 6 #define CIK__PIPE_CONFIG__ADDR_SURF_P4_32x32 7 #define CIK__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16 8 #define CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16 9 #define CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16 10 #define CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16 11 #define CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16 12 #define CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32 13 #define CIK__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32 14 #define CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_8X16 16 #define CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_16X16 17 static unsigned cik_get_num_tile_pipes(struct amdgpu_gpu_info *info) { unsigned mode2d = info->gb_tile_mode[CIK_TILE_MODE_COLOR_2D]; switch (CIK__GB_TILE_MODE__PIPE_CONFIG(mode2d)) { case CIK__PIPE_CONFIG__ADDR_SURF_P2: return 2; case CIK__PIPE_CONFIG__ADDR_SURF_P4_8x16: case CIK__PIPE_CONFIG__ADDR_SURF_P4_16x16: case CIK__PIPE_CONFIG__ADDR_SURF_P4_16x32: case CIK__PIPE_CONFIG__ADDR_SURF_P4_32x32: return 4; case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x16_8x16: case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_8x16: case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_8x16: case CIK__PIPE_CONFIG__ADDR_SURF_P8_16x32_16x16: case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x16: case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x32_16x32: case CIK__PIPE_CONFIG__ADDR_SURF_P8_32x64_32x32: return 8; case CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_8X16: case CIK__PIPE_CONFIG__ADDR_SURF_P16_32X32_16X16: return 16; default: fprintf(stderr, "Invalid CIK pipe configuration, assuming P2\n"); assert(!"this should never occur"); return 2; } } bool ac_query_gpu_info(int fd, amdgpu_device_handle dev, struct radeon_info *info, struct amdgpu_gpu_info *amdinfo) { struct amdgpu_buffer_size_alignments alignment_info = {}; struct amdgpu_heap_info vram, vram_vis, gtt; struct drm_amdgpu_info_hw_ip dma = {}, compute = {}, uvd = {}, vce = {}; uint32_t vce_version = 0, vce_feature = 0, uvd_version = 0, uvd_feature = 0; uint32_t unused_feature; int r, i, j; drmDevicePtr devinfo; /* Get PCI info. */ r = drmGetDevice2(fd, 0, &devinfo); if (r) { fprintf(stderr, "amdgpu: drmGetDevice2 failed.\n"); return false; } info->pci_domain = devinfo->businfo.pci->domain; info->pci_bus = devinfo->businfo.pci->bus; info->pci_dev = devinfo->businfo.pci->dev; info->pci_func = devinfo->businfo.pci->func; drmFreeDevice(&devinfo); /* Query hardware and driver information. */ r = amdgpu_query_gpu_info(dev, amdinfo); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_gpu_info failed.\n"); return false; } r = amdgpu_query_buffer_size_alignment(dev, &alignment_info); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_buffer_size_alignment failed.\n"); return false; } r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_VRAM, 0, &vram); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_heap_info(vram) failed.\n"); return false; } r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_VRAM, AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED, &vram_vis); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_heap_info(vram_vis) failed.\n"); return false; } r = amdgpu_query_heap_info(dev, AMDGPU_GEM_DOMAIN_GTT, 0, >t); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_heap_info(gtt) failed.\n"); return false; } r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_DMA, 0, &dma); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(dma) failed.\n"); return false; } r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_COMPUTE, 0, &compute); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(compute) failed.\n"); return false; } r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_UVD, 0, &uvd); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(uvd) failed.\n"); return false; } r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_ME, 0, 0, &info->me_fw_version, &unused_feature); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(me) failed.\n"); return false; } r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_PFP, 0, 0, &info->pfp_fw_version, &unused_feature); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(pfp) failed.\n"); return false; } r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_GFX_CE, 0, 0, &info->ce_fw_version, &unused_feature); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(ce) failed.\n"); return false; } r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_UVD, 0, 0, &uvd_version, &uvd_feature); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(uvd) failed.\n"); return false; } r = amdgpu_query_hw_ip_info(dev, AMDGPU_HW_IP_VCE, 0, &vce); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_hw_ip_info(vce) failed.\n"); return false; } r = amdgpu_query_firmware_version(dev, AMDGPU_INFO_FW_VCE, 0, 0, &vce_version, &vce_feature); if (r) { fprintf(stderr, "amdgpu: amdgpu_query_firmware_version(vce) failed.\n"); return false; } /* Set chip identification. */ info->pci_id = amdinfo->asic_id; /* TODO: is this correct? */ info->vce_harvest_config = amdinfo->vce_harvest_config; switch (info->pci_id) { #define CHIPSET(pci_id, name, cfamily) case pci_id: info->family = CHIP_##cfamily; break; #include "pci_ids/radeonsi_pci_ids.h" #undef CHIPSET default: fprintf(stderr, "amdgpu: Invalid PCI ID.\n"); return false; } if (info->family >= CHIP_VEGA10) info->chip_class = GFX9; else if (info->family >= CHIP_TONGA) info->chip_class = VI; else if (info->family >= CHIP_BONAIRE) info->chip_class = CIK; else if (info->family >= CHIP_TAHITI) info->chip_class = SI; else { fprintf(stderr, "amdgpu: Unknown family.\n"); return false; } /* Set which chips have dedicated VRAM. */ info->has_dedicated_vram = !(amdinfo->ids_flags & AMDGPU_IDS_FLAGS_FUSION); /* Set hardware information. */ info->gart_size = gtt.heap_size; info->vram_size = vram.heap_size; info->vram_vis_size = vram_vis.heap_size; /* The kernel can split large buffers in VRAM but not in GTT, so large * allocations can fail or cause buffer movement failures in the kernel. */ info->max_alloc_size = MIN2(info->vram_size * 0.9, info->gart_size * 0.7); /* convert the shader clock from KHz to MHz */ info->max_shader_clock = amdinfo->max_engine_clk / 1000; info->max_se = amdinfo->num_shader_engines; info->max_sh_per_se = amdinfo->num_shader_arrays_per_engine; info->has_uvd = uvd.available_rings != 0; info->uvd_fw_version = uvd.available_rings ? uvd_version : 0; info->vce_fw_version = vce.available_rings ? vce_version : 0; info->has_userptr = true; info->num_render_backends = amdinfo->rb_pipes; info->clock_crystal_freq = amdinfo->gpu_counter_freq; info->tcc_cache_line_size = 64; /* TC L2 line size on GCN */ if (info->chip_class == GFX9) { info->num_tile_pipes = 1 << G_0098F8_NUM_PIPES(amdinfo->gb_addr_cfg); info->pipe_interleave_bytes = 256 << G_0098F8_PIPE_INTERLEAVE_SIZE_GFX9(amdinfo->gb_addr_cfg); } else { info->num_tile_pipes = cik_get_num_tile_pipes(amdinfo); info->pipe_interleave_bytes = 256 << G_0098F8_PIPE_INTERLEAVE_SIZE_GFX6(amdinfo->gb_addr_cfg); } info->has_virtual_memory = true; assert(util_is_power_of_two(dma.available_rings + 1)); assert(util_is_power_of_two(compute.available_rings + 1)); info->num_sdma_rings = util_bitcount(dma.available_rings); info->num_compute_rings = util_bitcount(compute.available_rings); /* Get the number of good compute units. */ info->num_good_compute_units = 0; for (i = 0; i < info->max_se; i++) for (j = 0; j < info->max_sh_per_se; j++) info->num_good_compute_units += util_bitcount(amdinfo->cu_bitmap[i][j]); memcpy(info->si_tile_mode_array, amdinfo->gb_tile_mode, sizeof(amdinfo->gb_tile_mode)); info->enabled_rb_mask = amdinfo->enabled_rb_pipes_mask; memcpy(info->cik_macrotile_mode_array, amdinfo->gb_macro_tile_mode, sizeof(amdinfo->gb_macro_tile_mode)); info->gart_page_size = alignment_info.size_remote; if (info->chip_class == SI) info->gfx_ib_pad_with_type2 = TRUE; return true; }