Slow 2D with radeon KMS

[Michel Dänzer]

On Mon, 2010-02-15 at 16:34 +0100, Damien Mir wrote: 
> > vsync was broken when intel merged the new vsync code. So you should
> > use mesa from time before the merge (about a week ago)
> >
> 
> Unfortunately I cannot get vsync working anyhow with Kwin compositing (KDE
> 4.3).
> 
> Any combination of xserver (1.6 / 1.7 / 1.7.99) / Mesa (7.7 or git) gives
> the same results on an R700 HD4650 mobility.
> 
> Any idea on what's going on ? Sorry if it's a bit OT, but does it seem
> related to the R700/xorg/mesa mix ? or might it be something completely
> different ?
> Because being unable to play tear-free videos quite kills a nice
> compositing experience !
> Note : Xv playback is tear-free with kwin compositing disabled

This should be fixed with current xf86-video-ati Git, at least for
OpenGL compositing.


-- 
Earthling Michel Dänzer           |                http://www.vmware.com
Libre software enthusiast         |          Debian, X and DRI developer