f591344e89
[Why] Code to enable DCN20 dynamic metadata feature is duplicated in two places and was added to DCE110 enable stream. [How] Create DCN20 specific enable stream function for clarity, and add a hardware sequencer function to program dynamic metadata to avoid the duplicate code. Signed-off-by: Julian Parkin <julian.parkin@amd.com> Reviewed-by: Charlene Liu <Charlene.Liu@amd.com> Acked-by: Leo Li <sunpeng.li@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>