mes self test rely on vm mapping, move it after
drm sched re-started so that vm mapping can work
during gpu reset.
Signed-off-by: NJack Xiao <Jack.Xiao@amd.com>
Acked-and-tested-by: NEvan Quan <evan.quan@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>