As root PD has no parent, we just need move its status to idle.
Suggested-by: NChristian König <christian.koenig@amd.com>
Signed-off-by: Nxinhui pan <xinhui.pan@amd.com>
Reviewed-by: NChristian König <christian.koenig@amd.com>
CC: Christian König <christian.koenig@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>