drm/amdgpu: make sure we unpin the UVD BO

Releasing pinned BOs is illegal now. UVD 6 was missing from:
commit 2f40801 ("drm/amdgpu: make sure we unpin the UVD BO")

Fixes: 2f40801 ("drm/amdgpu: make sure we unpin the UVD BO")
Cc: [email protected]
Signed-off-by: Nirmoy Das <[email protected]>
Reviewed-by: Christian König <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>

Author: Nirmoy Das

drivers/gpu/drm/amd/amdgpu/uvd_v6_0.c

@@ -357,6 +357,7 @@ static int uvd_v6_0_enc_ring_test_ib(struct amdgpu_ring *ring, long timeout)
 
 error:
 	dma_fence_put(fence);
+	amdgpu_bo_unpin(bo);
 	amdgpu_bo_unreserve(bo);
 	amdgpu_bo_unref(&bo);
 	return r;