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SubjectRe: [PATCH 3/3] drm: Add CRTC_GET_SEQUENCE and CRTC_QUEUE_SEQUENCE ioctls
Ville Syrjälä <> writes:

> I was mostly thinking of the 'seq = query(); wait(seq + n);' pattern
> where we can avoid doing the full update more than once if we enable
> the interrupt already during the query.

Don't we still wait 5 seconds before disabling vblank? In that case, the
chances of hitting an idle vblank are pretty slim if the application is
actually busy.

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