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

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Message-ID: <20110614092455.GP32595@reaktio.net>
Date:	Tue, 14 Jun 2011 12:24:55 +0300
From:	Pasi Kärkkäinen <pasik@....fi>
To:	Alan Cox <alan@...rguk.ukuu.org.uk>
Cc:	Lukasz <el.es.cr@...il.com>, linux-kernel@...r.kernel.org
Subject: Re: [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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