From mboxrd@z Thu Jan 1 00:00:00 1970 From: Ville =?iso-8859-1?Q?Syrj=E4l=E4?= Subject: Re: waitforVBlank, how does this even work? Date: Fri, 4 Mar 2005 15:18:58 +0200 Message-ID: <20050304131858.GA18821@sci.fi> References: <9e473391050301215019081bce@mail.gmail.com> <1109806955.5610.129.camel@gaston> <1109816602.5610.153.camel@gaston> <20050303075559.GA7469@sci.fi> <1109887707.5679.214.camel@gaston> Reply-To: linux-fbdev-devel@lists.sourceforge.net Mime-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Disposition: inline In-Reply-To: <1109887707.5679.214.camel@gaston> Sender: linux-fbdev-devel-admin@lists.sourceforge.net Errors-To: linux-fbdev-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: text/plain; charset="iso-8859-1" To: Benjamin Herrenschmidt Cc: Vladimir Dergachev , Jon Smirl , fbdev , DRI developer's list On Fri, Mar 04, 2005 at 09:08:27AM +1100, Benjamin Herrenschmidt wrote: >=20 > > > Oh, but I was not suggesting that. I just meant that interrupt hand= ling=20 > > > code is self-contained and can easily serve several consumers. > >=20 > > I'm with you here. And the same should IMHO hold for DMA handling. An= d for=20 > > memory management of course. >=20 > DMA handling is the main piece of what the DRM does, The actual bits that feed DMA buffers to the hardware are very small. And= =20 I just meant that like the IRQ code those need to be easily accessible=20 from other components (fbdev, video capture module etc.) --=20 Ville Syrj=E4l=E4 syrjala@sci.fi http://www.sci.fi/~syrjala/ ------------------------------------------------------- SF email is sponsored by - The IT Product Guide Read honest & candid reviews on hundreds of IT Products from real users. Discover which products truly live up to the hype. Start reading now. http://ads.osdn.com/?ad_id=6595&alloc_id=14396&op=click