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| author | Christian König <christian.koenig@amd.com> | 2016-09-09 13:39:08 (GMT) |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2016-09-14 19:10:44 (GMT) |
| commit | 78ab0a38bfe0e02db6e619185dd4337fc97e3ffe (patch) | |
| tree | 1e3cc06cc04844d3bf328e35fce29352b1705f98 | |
| parent | 9702d40dd3baa90e8f08b42a512fe76e2794f9bc (diff) | |
| download | linux-78ab0a38bfe0e02db6e619185dd4337fc97e3ffe.tar.xz | |
drm/amdgpu: unbind GTT only when it is bound
Doesn't make much sense to clear the GTT when it was never filled.
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c | 3 |
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); |