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[Why] For the legacy secure display, it involves PSP + DMUB to confgiure and retrieve the CRC/ROI result. Have requirement to support mode which all handled by driver only. [How] Add another "DisplayCRC" mode, which doesn't involve PSP + DMUB. All things are handled by the driver only Reviewed-by: HaoPing Liu <haoping.liu@amd.com> Signed-off-by: Wayne Lin <Wayne.Lin@amd.com> Signed-off-by: Tom Chung <chiahsuan.chung@amd.com> Tested-by: Daniel Wheeler <daniel.wheeler@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>