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STATUS_GRAPHICS_PINNED_MODE_MUST_REMAIN_IN_SET
Pinned modes are constraints, not suggestions
During cofunctional modality enumeration, the VidPN manager can present a topology in which some modes are already pinned. The driver must adjust only the unpinned mode sets so that the result remains compatible with those constraints. This status means an operation would remove a pinned mode that must remain available.
The fix is not to add a similar mode back later. Rebuild the enumeration around the constraining VidPN and preserve every pinned source or target mode while calculating compatible choices for the remaining paths.
What to audit
- Identify all pinned modes before replacing a mode set.
- Verify that the pivot mode set is left unchanged when the enumeration contract requires it.
- Record the reason a proposed replacement excludes the pinned mode; it may reveal an underlying topology or hardware constraint.
References
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