Re: [OT] Re: [PATCH 00/15] GMA500 KMS and GEM

From: Pasi Kärkkäinen
Date: Tue Jun 14 2011 - 05:25:05 EST


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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