Bug#537964: video-radeon: Re: poor performance on rotated display

[Michel Dänzer]

On Mon, 2010-01-18 at 16:51 +0100, Michal Suchanek wrote: 
> 2010/1/18 Michel Dänzer <daenzer at debian.org>:
> > On Mon, 2010-01-18 at 02:13 +0100, Michal Suchanek wrote:
> >> Package: xserver-xorg-video-radeon
> >> Version: 1:6.12.4-2
> >> Severity: normal
> >> File: video-radeon
> >>
> >>
> >> The bug is back with the latest X server and radeon driver.
> >> Worked with X 1.6.5 and radeon git20091121.
> >
> > [...]
> >
> >> (II) RADEON(0): XAA Render acceleration unsupported on Radeon 9500/9700 and newer. Please use EXA instead.
> 
> Perhaps it should use the supported method then?
> 
> >> (II) RADEON(0): Render acceleration disabled
> >> (II) RADEON(0): num quad-pipes is 1
> >> (II) RADEON(0): Using XFree86 Acceleration Architecture (XAA)
> >
> > Rotation isn't (and probably won't ever be) accelerated with XAA. Try
> > EXA.
> >
> 
> I did not change my xorg.conf (and Debian hopefully does not do that
> behind my back anymore) so it must be the default and it is different
> from what I get with the git snapshots.

Current upstream Git master branch uses EXA by default, but not the 6.12
branch. I doubt it was ever used by default in a Debian package, so
either you chose it explicitly or rotation happened to be usable without
rotation somehow.


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