the root cause is vram content is lost completely after pci reset.
Signed-off-by: NChunming Zhou <David1.Zhou@amd.com>
Reviewed-by: NRoger.He <Hongbo.He@amd.com>
Acked-by: NChristian König <christian.koenig@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>