static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size, unsigned sdomain, unsigned ddomain) { struct radeon_bo *dobj = NULL; struct radeon_bo *sobj = NULL; uint64_t saddr, daddr; int r, n; int time; n = RADEON_BENCHMARK_ITERATIONS; r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, &sobj); if (r) { goto out_cleanup; } r = radeon_bo_reserve(sobj, false); if (unlikely(r != 0)) goto out_cleanup; r = radeon_bo_pin(sobj, sdomain, &saddr); radeon_bo_unreserve(sobj); if (r) { goto out_cleanup; } r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, &dobj); if (r) { goto out_cleanup; } r = radeon_bo_reserve(dobj, false); if (unlikely(r != 0)) goto out_cleanup; r = radeon_bo_pin(dobj, ddomain, &daddr); radeon_bo_unreserve(dobj); if (r) { goto out_cleanup; } /* r100 doesn't have dma engine so skip the test */ /* also, VRAM-to-VRAM test doesn't make much sense for DMA */ /* skip it as well if domains are the same */ if ((rdev->asic->copy_dma) && (sdomain != ddomain)) { time = radeon_benchmark_do_move(rdev, size, saddr, daddr, RADEON_BENCHMARK_COPY_DMA, n); if (time < 0) goto out_cleanup; if (time > 0) radeon_benchmark_log_results(n, size, time, sdomain, ddomain, "dma"); } time = radeon_benchmark_do_move(rdev, size, saddr, daddr, RADEON_BENCHMARK_COPY_BLIT, n); if (time < 0) goto out_cleanup; if (time > 0) radeon_benchmark_log_results(n, size, time, sdomain, ddomain, "blit"); out_cleanup: if (sobj) { r = radeon_bo_reserve(sobj, false); if (likely(r == 0)) { radeon_bo_unpin(sobj); radeon_bo_unreserve(sobj); } radeon_bo_unref(&sobj); } if (dobj) { r = radeon_bo_reserve(dobj, false); if (likely(r == 0)) { radeon_bo_unpin(dobj); radeon_bo_unreserve(dobj); } radeon_bo_unref(&dobj); } if (r) { DRM_ERROR("Error while benchmarking BO move.\n"); } }
static void radeon_benchmark_move(struct radeon_device *rdev, unsigned size, unsigned sdomain, unsigned ddomain) { struct radeon_bo *dobj = NULL; struct radeon_bo *sobj = NULL; uint64_t saddr, daddr; int r, n; int time; n = RADEON_BENCHMARK_ITERATIONS; r = radeon_bo_create(rdev, size, PAGE_SIZE, true, sdomain, 0, NULL, &sobj); if (r) { goto out_cleanup; } r = radeon_bo_reserve(sobj, false); if (unlikely(r != 0)) goto out_cleanup; r = radeon_bo_pin(sobj, sdomain, &saddr); radeon_bo_unreserve(sobj); if (r) { goto out_cleanup; } r = radeon_bo_create(rdev, size, PAGE_SIZE, true, ddomain, 0, NULL, &dobj); if (r) { goto out_cleanup; } r = radeon_bo_reserve(dobj, false); if (unlikely(r != 0)) goto out_cleanup; r = radeon_bo_pin(dobj, ddomain, &daddr); radeon_bo_unreserve(dobj); if (r) { goto out_cleanup; } if (rdev->asic->copy.dma) { time = radeon_benchmark_do_move(rdev, size, saddr, daddr, RADEON_BENCHMARK_COPY_DMA, n); if (time < 0) goto out_cleanup; if (time > 0) radeon_benchmark_log_results(n, size, time, sdomain, ddomain, "dma"); } if (rdev->asic->copy.blit) { time = radeon_benchmark_do_move(rdev, size, saddr, daddr, RADEON_BENCHMARK_COPY_BLIT, n); if (time < 0) goto out_cleanup; if (time > 0) radeon_benchmark_log_results(n, size, time, sdomain, ddomain, "blit"); } out_cleanup: if (sobj) { r = radeon_bo_reserve(sobj, false); if (likely(r == 0)) { radeon_bo_unpin(sobj); radeon_bo_unreserve(sobj); } radeon_bo_unref(&sobj); } if (dobj) { r = radeon_bo_reserve(dobj, false); if (likely(r == 0)) { radeon_bo_unpin(dobj); radeon_bo_unreserve(dobj); } radeon_bo_unref(&dobj); } if (r) { DRM_ERROR("Error while benchmarking BO move.\n"); } }
/* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */ void radeon_test_moves(struct radeon_device *rdev) { struct radeon_bo *vram_obj = NULL; struct radeon_bo **gtt_obj = NULL; struct radeon_fence *fence = NULL; uint64_t gtt_addr, vram_addr; unsigned i, n, size; int r; size = 1024 * 1024; /* Number of tests = * (Total GTT - IB pool - writeback page - ring buffers) / test size */ n = rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024; for (i = 0; i < RADEON_NUM_RINGS; ++i) n -= rdev->ring[i].ring_size; if (rdev->wb.wb_obj) n -= RADEON_GPU_PAGE_SIZE; if (rdev->ih.ring_obj) n -= rdev->ih.ring_size; n /= size; gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL); if (!gtt_obj) { DRM_ERROR("Failed to allocate %d pointers\n", n); r = 1; goto out_cleanup; } r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, NULL, &vram_obj); if (r) { DRM_ERROR("Failed to create VRAM object\n"); goto out_cleanup; } r = radeon_bo_reserve(vram_obj, false); if (unlikely(r != 0)) goto out_cleanup; r = radeon_bo_pin(vram_obj, RADEON_GEM_DOMAIN_VRAM, &vram_addr); if (r) { DRM_ERROR("Failed to pin VRAM object\n"); goto out_cleanup; } for (i = 0; i < n; i++) { void *gtt_map, *vram_map; void **gtt_start, **gtt_end; void **vram_start, **vram_end; r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, NULL, gtt_obj + i); if (r) { DRM_ERROR("Failed to create GTT object %d\n", i); goto out_cleanup; } r = radeon_bo_reserve(gtt_obj[i], false); if (unlikely(r != 0)) goto out_cleanup; r = radeon_bo_pin(gtt_obj[i], RADEON_GEM_DOMAIN_GTT, >t_addr); if (r) { DRM_ERROR("Failed to pin GTT object %d\n", i); goto out_cleanup; } r = radeon_bo_kmap(gtt_obj[i], >t_map); if (r) { DRM_ERROR("Failed to map GTT object %d\n", i); goto out_cleanup; } for (gtt_start = gtt_map, gtt_end = gtt_map + size; gtt_start < gtt_end; gtt_start++) *gtt_start = gtt_start; radeon_bo_kunmap(gtt_obj[i]); r = radeon_copy(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, &fence); if (r) { DRM_ERROR("Failed GTT->VRAM copy %d\n", i); goto out_cleanup; } r = radeon_fence_wait(fence, false); if (r) { DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i); goto out_cleanup; } radeon_fence_unref(&fence); r = radeon_bo_kmap(vram_obj, &vram_map); if (r) { DRM_ERROR("Failed to map VRAM object after copy %d\n", i); goto out_cleanup; } for (gtt_start = gtt_map, gtt_end = gtt_map + size, vram_start = vram_map, vram_end = vram_map + size; vram_start < vram_end; gtt_start++, vram_start++) { if (*vram_start != gtt_start) { DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gtt_start, (unsigned long long) (gtt_addr - rdev->mc.gtt_start + (void*)gtt_start - gtt_map), (unsigned long long) (vram_addr - rdev->mc.vram_start + (void*)gtt_start - gtt_map)); radeon_bo_kunmap(vram_obj); goto out_cleanup; } *vram_start = vram_start; } radeon_bo_kunmap(vram_obj); r = radeon_copy(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, &fence); if (r) { DRM_ERROR("Failed VRAM->GTT copy %d\n", i); goto out_cleanup; } r = radeon_fence_wait(fence, false); if (r) { DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i); goto out_cleanup; } radeon_fence_unref(&fence); r = radeon_bo_kmap(gtt_obj[i], >t_map); if (r) { DRM_ERROR("Failed to map GTT object after copy %d\n", i); goto out_cleanup; } for (gtt_start = gtt_map, gtt_end = gtt_map + size, vram_start = vram_map, vram_end = vram_map + size; gtt_start < gtt_end; gtt_start++, vram_start++) { if (*gtt_start != vram_start) { DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gtt_start, vram_start, (unsigned long long) (vram_addr - rdev->mc.vram_start + (void*)vram_start - vram_map), (unsigned long long) (gtt_addr - rdev->mc.gtt_start + (void*)vram_start - vram_map)); radeon_bo_kunmap(gtt_obj[i]); goto out_cleanup; } } radeon_bo_kunmap(gtt_obj[i]); DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n", gtt_addr - rdev->mc.gtt_start); } out_cleanup: if (vram_obj) { if (radeon_bo_is_reserved(vram_obj)) { radeon_bo_unpin(vram_obj); radeon_bo_unreserve(vram_obj); } radeon_bo_unref(&vram_obj); } if (gtt_obj) { for (i = 0; i < n; i++) { if (gtt_obj[i]) { if (radeon_bo_is_reserved(gtt_obj[i])) { radeon_bo_unpin(gtt_obj[i]); radeon_bo_unreserve(gtt_obj[i]); } radeon_bo_unref(>t_obj[i]); } } kfree(gtt_obj); } if (fence) { radeon_fence_unref(&fence); } if (r) { printk(KERN_WARNING "Error while testing BO move.\n"); } }
/* Test BO GTT->VRAM and VRAM->GTT GPU copies across the whole GTT aperture */ static void radeon_do_test_moves(struct radeon_device *rdev, int flag) { struct radeon_bo *vram_obj = NULL; struct radeon_bo **gtt_obj = NULL; struct radeon_fence *fence = NULL; u64 gtt_addr, vram_addr; unsigned n, size; int i, r, ring; switch (flag) { case RADEON_TEST_COPY_DMA: ring = radeon_copy_dma_ring_index(rdev); break; case RADEON_TEST_COPY_BLIT: ring = radeon_copy_blit_ring_index(rdev); break; default: DRM_ERROR("Unknown copy method\n"); return; } size = 1024 * 1024; /* Number of tests = * (Total GTT - IB pool - writeback page - ring buffers) / test size */ n = rdev->mc.gtt_size - rdev->gart_pin_size; n /= size; gtt_obj = kzalloc(n * sizeof(*gtt_obj), GFP_KERNEL); if (!gtt_obj) { DRM_ERROR("Failed to allocate %d pointers\n", n); r = 1; goto out_cleanup; } r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, 0, NULL, &vram_obj); if (r) { DRM_ERROR("Failed to create VRAM object\n"); goto out_cleanup; } r = radeon_bo_reserve(vram_obj, false); if (unlikely(r != 0)) goto out_unref; r = radeon_bo_pin(vram_obj, RADEON_GEM_DOMAIN_VRAM, &vram_addr); if (r) { DRM_ERROR("Failed to pin VRAM object\n"); goto out_unres; } for (i = 0; i < n; i++) { void *gtt_map, *vram_map; void **gtt_start, **gtt_end; void **vram_start, **vram_end; r = radeon_bo_create(rdev, size, PAGE_SIZE, true, RADEON_GEM_DOMAIN_GTT, 0, NULL, gtt_obj + i); if (r) { DRM_ERROR("Failed to create GTT object %d\n", i); goto out_lclean; } r = radeon_bo_reserve(gtt_obj[i], false); if (unlikely(r != 0)) goto out_lclean_unref; r = radeon_bo_pin(gtt_obj[i], RADEON_GEM_DOMAIN_GTT, >t_addr); if (r) { DRM_ERROR("Failed to pin GTT object %d\n", i); goto out_lclean_unres; } r = radeon_bo_kmap(gtt_obj[i], >t_map); if (r) { DRM_ERROR("Failed to map GTT object %d\n", i); goto out_lclean_unpin; } for (gtt_start = gtt_map, gtt_end = (void *)((uintptr_t)gtt_map + size); gtt_start < gtt_end; gtt_start++) *gtt_start = gtt_start; radeon_bo_kunmap(gtt_obj[i]); if (ring == R600_RING_TYPE_DMA_INDEX) r = radeon_copy_dma(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, &fence); else r = radeon_copy_blit(rdev, gtt_addr, vram_addr, size / RADEON_GPU_PAGE_SIZE, &fence); if (r) { DRM_ERROR("Failed GTT->VRAM copy %d\n", i); goto out_lclean_unpin; } r = radeon_fence_wait(fence, false); if (r) { DRM_ERROR("Failed to wait for GTT->VRAM fence %d\n", i); goto out_lclean_unpin; } radeon_fence_unref(&fence); r = radeon_bo_kmap(vram_obj, &vram_map); if (r) { DRM_ERROR("Failed to map VRAM object after copy %d\n", i); goto out_lclean_unpin; } for (gtt_start = gtt_map, gtt_end = (void *)((uintptr_t)gtt_map + size), vram_start = vram_map, vram_end = (void *)((uintptr_t)vram_map + size); vram_start < vram_end; gtt_start++, vram_start++) { if (*vram_start != gtt_start) { DRM_ERROR("Incorrect GTT->VRAM copy %d: Got 0x%p, " "expected 0x%p (GTT/VRAM offset " "0x%16llx/0x%16llx)\n", i, *vram_start, gtt_start, (unsigned long long) ((uintptr_t)gtt_addr - (uintptr_t)rdev->mc.gtt_start + (uintptr_t)gtt_start - (uintptr_t)gtt_map), (unsigned long long) ((uintptr_t)vram_addr - (uintptr_t)rdev->mc.vram_start + (uintptr_t)gtt_start - (uintptr_t)gtt_map)); radeon_bo_kunmap(vram_obj); goto out_lclean_unpin; } *vram_start = vram_start; } radeon_bo_kunmap(vram_obj); if (ring == R600_RING_TYPE_DMA_INDEX) r = radeon_copy_dma(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, &fence); else r = radeon_copy_blit(rdev, vram_addr, gtt_addr, size / RADEON_GPU_PAGE_SIZE, &fence); if (r) { DRM_ERROR("Failed VRAM->GTT copy %d\n", i); goto out_lclean_unpin; } r = radeon_fence_wait(fence, false); if (r) { DRM_ERROR("Failed to wait for VRAM->GTT fence %d\n", i); goto out_lclean_unpin; } radeon_fence_unref(&fence); r = radeon_bo_kmap(gtt_obj[i], >t_map); if (r) { DRM_ERROR("Failed to map GTT object after copy %d\n", i); goto out_lclean_unpin; } for (gtt_start = gtt_map, gtt_end = (void *)((uintptr_t)gtt_map + size), vram_start = vram_map, vram_end = (void *)((uintptr_t)vram_map + size); gtt_start < gtt_end; gtt_start++, vram_start++) { if (*gtt_start != vram_start) { DRM_ERROR("Incorrect VRAM->GTT copy %d: Got 0x%p, " "expected 0x%p (VRAM/GTT offset " "0x%16llx/0x%16llx)\n", i, *gtt_start, vram_start, (unsigned long long) ((uintptr_t)vram_addr - (uintptr_t)rdev->mc.vram_start + (uintptr_t)vram_start - (uintptr_t)vram_map), (unsigned long long) ((uintptr_t)gtt_addr - (uintptr_t)rdev->mc.gtt_start + (uintptr_t)vram_start - (uintptr_t)vram_map)); radeon_bo_kunmap(gtt_obj[i]); goto out_lclean_unpin; } } radeon_bo_kunmap(gtt_obj[i]); DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n", (uintmax_t)gtt_addr - rdev->mc.gtt_start); continue; out_lclean_unpin: radeon_bo_unpin(gtt_obj[i]); out_lclean_unres: radeon_bo_unreserve(gtt_obj[i]); out_lclean_unref: radeon_bo_unref(>t_obj[i]); out_lclean: for (--i; i >= 0; --i) { radeon_bo_unpin(gtt_obj[i]); radeon_bo_unreserve(gtt_obj[i]); radeon_bo_unref(>t_obj[i]); } if (fence && !IS_ERR(fence)) radeon_fence_unref(&fence); break; } radeon_bo_unpin(vram_obj); out_unres: radeon_bo_unreserve(vram_obj); out_unref: radeon_bo_unref(&vram_obj); out_cleanup: if (gtt_obj) kfree(gtt_obj); if (fence) { radeon_fence_unref(&fence); } if (r) { printk(KERN_WARNING "Error while testing BO move.\n"); } }
int radeon_ttm_init(struct radeon_device *rdev) { int r, r2; r = radeon_ttm_global_init(rdev); if (r) { return r; } /* No others user of address space so set it to 0 */ r = ttm_bo_device_init(&rdev->mman.bdev, rdev->mman.bo_global_ref.ref.object, &radeon_bo_driver, DRM_FILE_PAGE_OFFSET, rdev->need_dma32); if (r) { DRM_ERROR("failed initializing buffer object driver(%d).\n", r); return r; } rdev->mman.initialized = true; rdev->ddev->drm_ttm_bdev = &rdev->mman.bdev; r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_VRAM, rdev->mc.real_vram_size >> PAGE_SHIFT); if (r) { DRM_ERROR("Failed initializing VRAM heap.\n"); return r; } r = radeon_bo_create(rdev, 256 * 1024, PAGE_SIZE, true, RADEON_GEM_DOMAIN_VRAM, NULL, &rdev->stollen_vga_memory); if (r) { return r; } r = radeon_bo_reserve(rdev->stollen_vga_memory, false); if (r) { radeon_bo_unref(&rdev->stollen_vga_memory); return r; } r = radeon_bo_pin(rdev->stollen_vga_memory, RADEON_GEM_DOMAIN_VRAM, NULL); radeon_bo_unreserve(rdev->stollen_vga_memory); if (r) { radeon_bo_unref(&rdev->stollen_vga_memory); return r; } DRM_INFO("radeon: %uM of VRAM memory ready\n", (unsigned)rdev->mc.real_vram_size / (1024 * 1024)); r = ttm_bo_init_mm(&rdev->mman.bdev, TTM_PL_TT, rdev->mc.gtt_size >> PAGE_SHIFT); if (r) { DRM_ERROR("Failed initializing GTT heap.\n"); r2 = radeon_bo_reserve(rdev->stollen_vga_memory, false); if (likely(r2 == 0)) { radeon_bo_unpin(rdev->stollen_vga_memory); radeon_bo_unreserve(rdev->stollen_vga_memory); } radeon_bo_unref(&rdev->stollen_vga_memory); return r; } DRM_INFO("radeon: %uM of GTT memory ready.\n", (unsigned)(rdev->mc.gtt_size / (1024 * 1024))); r = radeon_ttm_debugfs_init(rdev); if (r) { DRM_ERROR("Failed to init debugfs\n"); r2 = radeon_bo_reserve(rdev->stollen_vga_memory, false); if (likely(r2 == 0)) { radeon_bo_unpin(rdev->stollen_vga_memory); radeon_bo_unreserve(rdev->stollen_vga_memory); } radeon_bo_unref(&rdev->stollen_vga_memory); return r; } return 0; }