drm/amdgpu: Make amdgpu_bo_reserve use uninterruptible waits for cleanup

Some of these paths probably cannot be interrupted by a signal anyway.
Those that can would fail to clean up things if they actually got
interrupted.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
index 21f616c..4f2b667 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_kms.c
@@ -821,7 +821,7 @@ void amdgpu_driver_postclose_kms(struct drm_device *dev,
 
 	if (amdgpu_sriov_vf(adev)) {
 		/* TODO: how to handle reserve failure */
-		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, false));
+		BUG_ON(amdgpu_bo_reserve(adev->virt.csa_obj, true));
 		amdgpu_vm_bo_rmv(adev, fpriv->vm.csa_bo_va);
 		fpriv->vm.csa_bo_va = NULL;
 		amdgpu_bo_unreserve(adev->virt.csa_obj);