Fix CPDMA hang in PRT mode for both VEGA10 and VEGA20
Signed-off-by: NTao Zhou <tao.zhou1@amd.com>
Tested-by: NYukun.Li <yukun1.li@amd.com>
Acked-by: NAlex Deucher <alexander.deucher@amd.com>
Signed-off-by: NAlex Deucher <alexander.deucher@amd.com>