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    SubjectRe: [Intel-gfx] [PATCH v3 3/9] drm: Add Content Protection property
    Date
    Quoting Daniel Vetter (2017-12-05 15:34:36)
    > Two bits missing imo:
    > - Should explain that userspace should poll this property to detect a
    > change from ENABLED to DESIRED (and take adequate actions and e.g. stop
    > the stream). No uevent will be sent out because the HDCP specs require
    > polling anyway.

    What's more polling than poll()? :-p
    -Chris

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