[Intel-gfx] xf86-video-intel drm-gem branch merged

Jesse Barnes jbarnes at virtuousgeek.org
Thu Aug 7 18:30:00 CEST 2008

On Thursday, August 7, 2008 7:41 am Lukas Hejtmanek wrote:
> Jesse,
> On Wed, Aug 06, 2008 at 01:01:24PM -0700, Jesse Barnes wrote:
> > GEM won't be used unless the underlying kernel supports it, so there
> > shouldn't be any regressions (aside from the already reported bugs QA
> > told me about before I merged, but they're not that serious), but please
> > refresh your trees and report any problems.
> I tried it but was too chicky to use drm-gem. I see two regressions:
> 1) driver is now slower but it may be relaed to the reverted Carl's patch.

Yeah, hopefully we can rework that change quickly.  Still have to talk with 
Carl about it...

> 2) framebuffer compression is terribly broken, I got huge screen corruption
> if fbc is enabled. If this is one of known regression, maybe the fbc should
> be off by default.

No, that's new to me, it works on my t61.  Are you using kernel modules that 
support GEM as well?  Or do you see trouble with just the stock kernel (e.g. 


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