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path: root/drivers/gpu/drm/ttm/ttm_tt.c
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Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_tt.c')
-rw-r--r--drivers/gpu/drm/ttm/ttm_tt.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_tt.c b/drivers/gpu/drm/ttm/ttm_tt.c
index 2ec448e1d663..e25d4097aa16 100644
--- a/drivers/gpu/drm/ttm/ttm_tt.c
+++ b/drivers/gpu/drm/ttm/ttm_tt.c
@@ -50,6 +50,9 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
dma_resv_assert_held(bo->base.resv);
+ if (bo->ttm)
+ return 0;
+
if (bdev->need_dma32)
page_flags |= TTM_PAGE_FLAG_DMA32;
@@ -67,7 +70,6 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
page_flags |= TTM_PAGE_FLAG_SG;
break;
default:
- bo->ttm = NULL;
pr_err("Illegal buffer object type\n");
return -EINVAL;
}