From: Christian König <christian.koe...@amd.com>
Doesn't make much sense to clear the GTT when it was never filled.
Signed-off-by: Christian König <christian.koe...@amd.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 3 +++
1 file changed, 3 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
index c3780b9..cd5c0f8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c
@@ -734,6 +734,9 @@ 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);
--
2.5.0
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