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STATUS_GRAPHICS_OPM_INVALID_SRM
STATUS_GRAPHICS_OPM_INVALID_SRM is specific to the HDCP System Renewability Message (SRM) accepted through OPM configuration. An SRM participates in HDCP revocation processing; it is not a display-mode setting and it should not be replaced with arbitrary bytes merely to make a configuration call succeed.
HDCP specifications describe integrity verification of an SRM before authentication can continue. OPM exposes supported commands for setting or querying SRM-related state, while the protected-media stack normally owns the update flow.
What to preserve
- Identify the exact OPM command and SRM source rather than logging only a generic HDCP failure.
- Use the platform-supported update path; do not alter, truncate, or manually synthesize the SRM payload.
- Distinguish invalid SRM input from
STATUS_GRAPHICS_OPM_HDCP_SRM_NEVER_SET, which reports that no successful SRM set occurred before a version query.
References
- Microsoft: OPM_SET_HDCP_SRM_PARAMETERS
- Digital Content Protection: HDCP on HDMI specification
- Microsoft: OPM commands
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