From mboxrd@z Thu Jan 1 00:00:00 1970 From: Vladimir Dergachev Subject: Re: waitforVBlank, how does this even work? Date: Wed, 2 Mar 2005 11:32:44 -0500 (EST) Message-ID: References: <9e473391050301215019081bce@mail.gmail.com> Reply-To: Vladimir Dergachev Mime-Version: 1.0 In-Reply-To: <9e473391050301215019081bce@mail.gmail.com> Sender: dri-devel-admin@lists.sourceforge.net Errors-To: dri-devel-admin@lists.sourceforge.net List-Unsubscribe: , List-Id: List-Post: List-Help: List-Subscribe: , List-Archive: Content-Type: TEXT/PLAIN; charset="us-ascii"; format="flowed" Content-Transfer-Encoding: 7bit To: Jon Smirl Cc: fbdev , DRI developer's list On Wed, 2 Mar 2005, Jon Smirl wrote: > For the r128 driver both the fbdev and drm drivers have implemented > waitforVBlank and they both play with the interrupt registers. I can > only assume that no one has ever tried to use them at the same time. > In the radeon case the DRM driver has implemented waitforVBlank and > the fbdev driver has not. > > This is a mess and it is yet another reason for merging DRM and fbdev > into a sane, combined driver. Hi Jon, What about isolating interrupt-handling code into a small driver ? Something simple to respond to interrupts and call all handlers with a certain mask. This would be useful not only for drm and fbdev but also for km (v4l capture module) and stereo-glasses code. best Vladimir Dergachev > > -- > Jon Smirl > jonsmirl@gmail.com > > > ------------------------------------------------------- > 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 > -- > _______________________________________________ > Dri-devel mailing list > Dri-devel@lists.sourceforge.net > https://lists.sourceforge.net/lists/listinfo/dri-devel > ------------------------------------------------------- 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 --