drm/amdgpu: use fence_is_later() for vm_flush as well v2

v2: remove superfluous check

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com> (v1)
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
This commit is contained in:
Christian König 2015-10-29 17:01:19 +01:00 • committed by Alex Deucher
commit b56c22853e