Note
Access to this page requires authorization. You can try signing in or changing directories.
Access to this page requires authorization. You can try changing directories.
OPM configuration can set the version of the High-bandwidth Digital Content Protection (HDCP) System Renewability Message (SRM) for the protected output. To set the version, the display miniport driver's DxgkDdiOPMConfigureProtectedOutput function receives a pointer to a DXGKMDT_OPM_CONFIGURE_PARAMETERS structure with the guidSetting member set to the DXGKMDT_OPM_SET_HDCP_SRM GUID and the abParameters member set to a pointer to a DXGKMDT_OPM_SET_HDCP_SRM_PARAMETERS structure. The DXGKMDT_OPM_SET_HDCP_SRM_PARAMETERS structure contains a ULONG that specifies the version number. The least significant bits (bits 0 through 15) contain the SRM's version number in little-endian format. For more information about the SRM version number, see the HDCP Specification Revision 1.1.