summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--drivers/gpu/drm/radeon/radeon_ttm.c54
1 files changed, 24 insertions, 30 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_ttm.c b/drivers/gpu/drm/radeon/radeon_ttm.c
index 0ca381b95d3d..2b598141225f 100644
--- a/drivers/gpu/drm/radeon/radeon_ttm.c
+++ b/drivers/gpu/drm/radeon/radeon_ttm.c
@@ -216,27 +216,15 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
struct ttm_resource *old_mem = &bo->mem;
int r;
- if ((old_mem->mem_type == TTM_PL_SYSTEM &&
- new_mem->mem_type == TTM_PL_VRAM) ||
- (old_mem->mem_type == TTM_PL_VRAM &&
- new_mem->mem_type == TTM_PL_SYSTEM)) {
- hop->fpfn = 0;
- hop->lpfn = 0;
- hop->mem_type = TTM_PL_TT;
- hop->flags = 0;
- return -EMULTIHOP;
- }
-
if (new_mem->mem_type == TTM_PL_TT) {
r = radeon_ttm_tt_bind(bo->bdev, bo->ttm, new_mem);
if (r)
return r;
}
- radeon_bo_move_notify(bo, evict, new_mem);
r = ttm_bo_wait_ctx(bo, ctx);
if (r)
- goto fail;
+ return r;
/* Can't move a pinned BO */
rbo = container_of(bo, struct radeon_bo, tbo);
@@ -246,12 +234,12 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
rdev = radeon_get_rdev(bo->bdev);
if (old_mem->mem_type == TTM_PL_SYSTEM && bo->ttm == NULL) {
ttm_bo_move_null(bo, new_mem);
- return 0;
+ goto out;
}
if (old_mem->mem_type == TTM_PL_SYSTEM &&
new_mem->mem_type == TTM_PL_TT) {
ttm_bo_move_null(bo, new_mem);
- return 0;
+ goto out;
}
if (old_mem->mem_type == TTM_PL_TT &&
@@ -259,31 +247,37 @@ static int radeon_bo_move(struct ttm_buffer_object *bo, bool evict,
radeon_ttm_tt_unbind(bo->bdev, bo->ttm);
ttm_resource_free(bo, &bo->mem);
ttm_bo_assign_mem(bo, new_mem);
- return 0;
+ goto out;
}
- if (!rdev->ring[radeon_copy_ring_index(rdev)].ready ||
- rdev->asic->copy.copy == NULL) {
- /* use memcpy */
- goto memcpy;
+ if (rdev->ring[radeon_copy_ring_index(rdev)].ready &&
+ rdev->asic->copy.copy != NULL) {
+ if ((old_mem->mem_type == TTM_PL_SYSTEM &&
+ new_mem->mem_type == TTM_PL_VRAM) ||
+ (old_mem->mem_type == TTM_PL_VRAM &&
+ new_mem->mem_type == TTM_PL_SYSTEM)) {
+ hop->fpfn = 0;
+ hop->lpfn = 0;
+ hop->mem_type = TTM_PL_TT;
+ hop->flags = 0;
+ return -EMULTIHOP;
+ }
+
+ r = radeon_move_blit(bo, evict, new_mem, old_mem);
+ } else {
+ r = -ENODEV;
}
- r = radeon_move_blit(bo, evict, new_mem, old_mem);
if (r) {
-memcpy:
r = ttm_bo_move_memcpy(bo, ctx, new_mem);
- if (r) {
- goto fail;
- }
+ if (r)
+ return r;
}
+out:
/* update statistics */
atomic64_add((u64)bo->num_pages << PAGE_SHIFT, &rdev->num_bytes_moved);
+ radeon_bo_move_notify(bo, evict, new_mem);
return 0;
-fail:
- swap(*new_mem, bo->mem);
- radeon_bo_move_notify(bo, false, new_mem);
- swap(*new_mem, bo->mem);
- return r;
}
static int radeon_ttm_io_mem_reserve(struct ttm_bo_device *bdev, struct ttm_resource *mem)