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    SubjectRe: [OT] Re: [PATCH 00/15] GMA500 KMS and GEM
    On Wed, Jun 08, 2011 at 01:24:49PM +0100, Alan Cox wrote:
    > > But I see the vblank (the feature that lets the (whatever space) programs
    > > know when the vertical return occurs ?) as a quite useful thing...
    >
    > Nothing much in the 2D world seems to use it for anything. In the 3D
    > world yes vblank syncing and page flipping is important, but the driver
    > is 2D only.
    >

    Video players probably want to use it to provide tear/stutter-free playback?

    -- Pasi



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