static int radeon_move_blit(struct ttm_buffer_object *bo, bool evict, int no_wait_reserve, bool no_wait_gpu, struct ttm_mem_reg *new_mem, struct ttm_mem_reg *old_mem) { struct radeon_device *rdev; uint64_t old_start, new_start; struct radeon_fence *fence; int r; rdev = radeon_get_rdev(bo->bdev); r = radeon_fence_create(rdev, &fence); if (unlikely(r)) { return r; } old_start = old_mem->start << PAGE_SHIFT; new_start = new_mem->start << PAGE_SHIFT; switch (old_mem->mem_type) { case TTM_PL_VRAM: old_start += rdev->mc.vram_start; break; case TTM_PL_TT: old_start += rdev->mc.gtt_start; break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); return -EINVAL; } switch (new_mem->mem_type) { case TTM_PL_VRAM: new_start += rdev->mc.vram_start; break; case TTM_PL_TT: new_start += rdev->mc.gtt_start; break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); return -EINVAL; } if (!rdev->cp.ready) { DRM_ERROR("Trying to move memory with CP turned off.\n"); return -EINVAL; } BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0); r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */ fence); /* FIXME: handle copy error */ r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL, evict, no_wait_reserve, no_wait_gpu, new_mem); radeon_fence_unref(&fence); return r; }
static int radeon_move_blit(struct ttm_buffer_object *bo, bool evict, bool no_wait_gpu, struct ttm_mem_reg *new_mem, struct ttm_mem_reg *old_mem) { struct radeon_device *rdev; uint64_t old_start, new_start; struct radeon_fence *fence; int r, ridx; rdev = radeon_get_rdev(bo->bdev); ridx = radeon_copy_ring_index(rdev); old_start = old_mem->start << PAGE_SHIFT; new_start = new_mem->start << PAGE_SHIFT; switch (old_mem->mem_type) { case TTM_PL_VRAM: old_start += rdev->mc.vram_start; break; case TTM_PL_TT: old_start += rdev->mc.gtt_start; break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); return -EINVAL; } switch (new_mem->mem_type) { case TTM_PL_VRAM: new_start += rdev->mc.vram_start; break; case TTM_PL_TT: new_start += rdev->mc.gtt_start; break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); return -EINVAL; } if (!rdev->ring[ridx].ready) { DRM_ERROR("Trying to move memory with ring turned off.\n"); return -EINVAL; } CTASSERT((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) == 0); /* sync other rings */ fence = bo->sync_obj; r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */ &fence); /* FIXME: handle copy error */ r = ttm_bo_move_accel_cleanup(bo, (void *)fence, evict, no_wait_gpu, new_mem); radeon_fence_unref(&fence); return r; }
static int radeon_move_blit(struct ttm_buffer_object *bo, bool evict, int no_wait, struct ttm_mem_reg *new_mem, struct ttm_mem_reg *old_mem) { struct radeon_device *rdev; uint64_t old_start, new_start; struct radeon_fence *fence; int r; rdev = radeon_get_rdev(bo->bdev); r = radeon_fence_create(rdev, &fence); if (unlikely(r)) { return r; } old_start = old_mem->mm_node->start << PAGE_SHIFT; new_start = new_mem->mm_node->start << PAGE_SHIFT; switch (old_mem->mem_type) { case TTM_PL_VRAM: old_start += rdev->mc.vram_location; break; case TTM_PL_TT: old_start += rdev->mc.gtt_location; break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); return -EINVAL; } switch (new_mem->mem_type) { case TTM_PL_VRAM: new_start += rdev->mc.vram_location; break; case TTM_PL_TT: new_start += rdev->mc.gtt_location; break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); return -EINVAL; } if (!rdev->cp.ready) { DRM_ERROR("Trying to move memory with CP turned off.\n"); return -EINVAL; } r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages, fence); r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL, evict, no_wait, new_mem); radeon_fence_unref(&fence); return r; }
static int radeon_move_blit(struct ttm_buffer_object *bo, bool evict, int no_wait_reserve, bool no_wait_gpu, struct ttm_mem_reg *new_mem, struct ttm_mem_reg *old_mem) { struct radeon_device *rdev; uint64_t old_start, new_start; struct radeon_fence *fence; int r, i; rdev = radeon_get_rdev(bo->bdev); r = radeon_fence_create(rdev, &fence, radeon_copy_ring_index(rdev)); if (unlikely(r)) { return r; } old_start = old_mem->start << PAGE_SHIFT; new_start = new_mem->start << PAGE_SHIFT; switch (old_mem->mem_type) { case TTM_PL_VRAM: old_start += rdev->mc.vram_start; break; case TTM_PL_TT: old_start += rdev->mc.gtt_start; break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); return -EINVAL; } switch (new_mem->mem_type) { case TTM_PL_VRAM: new_start += rdev->mc.vram_start; break; case TTM_PL_TT: new_start += rdev->mc.gtt_start; break; default: DRM_ERROR("Unknown placement %d\n", old_mem->mem_type); return -EINVAL; } if (!rdev->ring[radeon_copy_ring_index(rdev)].ready) { DRM_ERROR("Trying to move memory with ring turned off.\n"); return -EINVAL; } BUILD_BUG_ON((PAGE_SIZE % RADEON_GPU_PAGE_SIZE) != 0); /* sync other rings */ if (rdev->family >= CHIP_R600) { for (i = 0; i < RADEON_NUM_RINGS; ++i) { /* no need to sync to our own or unused rings */ if (i == radeon_copy_ring_index(rdev) || !rdev->ring[i].ready) continue; if (!fence->semaphore) { r = radeon_semaphore_create(rdev, &fence->semaphore); /* FIXME: handle semaphore error */ if (r) continue; } r = radeon_ring_lock(rdev, &rdev->ring[i], 3); /* FIXME: handle ring lock error */ if (r) continue; radeon_semaphore_emit_signal(rdev, i, fence->semaphore); radeon_ring_unlock_commit(rdev, &rdev->ring[i]); r = radeon_ring_lock(rdev, &rdev->ring[radeon_copy_ring_index(rdev)], 3); /* FIXME: handle ring lock error */ if (r) continue; radeon_semaphore_emit_wait(rdev, radeon_copy_ring_index(rdev), fence->semaphore); radeon_ring_unlock_commit(rdev, &rdev->ring[radeon_copy_ring_index(rdev)]); } } r = radeon_copy(rdev, old_start, new_start, new_mem->num_pages * (PAGE_SIZE / RADEON_GPU_PAGE_SIZE), /* GPU pages */ fence); /* FIXME: handle copy error */ r = ttm_bo_move_accel_cleanup(bo, (void *)fence, NULL, evict, no_wait_reserve, no_wait_gpu, new_mem); radeon_fence_unref(&fence); return r; }
/* 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, &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, 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_fence_create(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX); if (r) { DRM_ERROR("Failed to create GTT->VRAM fence %d\n", i); goto out_cleanup; } 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_fence_create(rdev, &fence, RADEON_RING_TYPE_GFX_INDEX); if (r) { DRM_ERROR("Failed to create VRAM->GTT fence %d\n", i); goto out_cleanup; } 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"); } }
void radeon_test_moves(struct radeon_device *rdev) { struct radeon_object *vram_obj = NULL; struct radeon_object **gtt_obj = NULL; struct radeon_fence *fence = NULL; uint64_t gtt_addr, vram_addr; unsigned i, n, size; int r; size = 1024 * 1024; n = ((u32)(rdev->mc.gtt_size - RADEON_IB_POOL_SIZE*64*1024 - RADEON_GPU_PAGE_SIZE - rdev->cp.ring_size)) / 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_object_create(rdev, NULL, size, true, RADEON_GEM_DOMAIN_VRAM, false, &vram_obj); if (r) { DRM_ERROR("Failed to create VRAM object\n"); goto out_cleanup; } r = radeon_object_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_object_create(rdev, NULL, size, true, RADEON_GEM_DOMAIN_GTT, false, gtt_obj + i); if (r) { DRM_ERROR("Failed to create GTT object %d\n", i); goto out_cleanup; } r = radeon_object_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_object_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_object_kunmap(gtt_obj[i]); r = radeon_fence_create(rdev, &fence); if (r) { DRM_ERROR("Failed to create GTT->VRAM fence %d\n", i); goto out_cleanup; } 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_object_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 map 0x%p-0x%p)\n", i, *vram_start, gtt_start, gtt_map, gtt_end); radeon_object_kunmap(vram_obj); goto out_cleanup; } *vram_start = vram_start; } radeon_object_kunmap(vram_obj); r = radeon_fence_create(rdev, &fence); if (r) { DRM_ERROR("Failed to create VRAM->GTT fence %d\n", i); goto out_cleanup; } 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_object_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 map 0x%p-0x%p)\n", i, *gtt_start, vram_start, vram_map, vram_end); radeon_object_kunmap(gtt_obj[i]); goto out_cleanup; } } radeon_object_kunmap(gtt_obj[i]); DRM_INFO("Tested GTT->VRAM and VRAM->GTT copy for GTT offset 0x%llx\n", gtt_addr - rdev->mc.gtt_location); } out_cleanup: if (vram_obj) { radeon_object_unpin(vram_obj); radeon_object_unref(&vram_obj); } if (gtt_obj) { for (i = 0; i < n; i++) { if (gtt_obj[i]) { radeon_object_unpin(gtt_obj[i]); radeon_object_unref(>t_obj[i]); } } kfree(gtt_obj); } if (fence) { radeon_fence_unref(&fence); } if (r) { printk(KERN_WARNING "Error while testing BO move.\n"); } }