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-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c3
1 files changed, 3 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index b50535c..8aa3fe6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -733,6 +733,9 @@ static int amdgpu_ttm_backend_unbind(struct ttm_tt *ttm)
{
struct amdgpu_ttm_tt *gtt = (void *)ttm;
+ if (!amdgpu_ttm_is_bound(ttm))
+ return 0;
+
/* unbind shouldn't be done for GDS/GWS/OA in ttm_bo_clean_mm */
if (gtt->adev->gart.ready)
amdgpu_gart_unbind(gtt->adev, gtt->offset, ttm->num_pages);