Bug#461153: xserver-xorg-video-ati: rotation corrupts screen

[Alex Deucher]

On Jan 17, 2008 12:52 PM, Xavier Bestel <xavier.bestel at free.fr> wrote:
>
>
> On jeu, 2008-01-17 at 10:50 -0500, Alex Deucher wrote:
> > On Jan 17, 2008 10:47 AM, Xavier Bestel <xavier.bestel at free.fr> wrote:
> > >
> > > On Thu, 2008-01-17 at 10:42 -0500, Alex Deucher wrote:
> > > > On Jan 17, 2008 4:27 AM, Xavier Bestel <xavier.bestel at free.fr> wrote:
> > > > > On Thu, 2008-01-17 at 10:00 +0100, Michel Dänzer wrote:
> > > > > > On Wed, 2008-01-16 at 23:26 +0100, Xavier Bestel wrote:
> > > > > > > Package: xserver-xorg-video-ati
> > > > > > > Version: 1:6.7.198~git20080109.10e7636c-1
> > > > > > > Severity: normal
> > > > > > >
> > > > > > >
> > > > > > > Hi again ...
> > > > > > >
> > > > > > > when I rotate display using
> > > > > > > xrandr -o 1
> > > > > > > or
> > > > > > > xrandr --output DVI-0 --rotation left
> > > > > > > the display is corrupted. I can see some parts of the windows rotated,
> > > > > > > some part non-rotated, and some garbage everywhere.
> > > > > > > I'm using compiz.
> > > > > >
> > > > > > Then it can't work until xserver 1.5 due to previously missing AIGLX
> > > > > > damage reporting.
> > > > > >
> > > > > >
> > > > > > > 01:00.0 VGA compatible controller: ATI Technologies Inc RV350 AR [Radeon 9600]
> > > > > >
> > > > > > Note that even without a GLX compositing manager, support for
> > > > > > accelerated rotation with R300 generation cards was only just pushed to
> > > > > > the upstream Git repository. Also, AFAIK it's only working correctly
> > > > > > with EXA at this point.
> > > > >
> > > > > Ok, fair enough.
> > > > > I've tried with metacity, and you're right it's damn slow.
> > > > > But the display is also corrupted. All the pixel on the right of the
> > > > > (non-rotated) screen are garbled, I'd say on the last fifth of the
> > > > > display.
> > > > > I took a screenshot, but on the screenshot everything is allright. So
> > > > > the corruption happens only on-screen.
> > > >
> > > > What version of the driver/xserver are you using?  Earlier version of
> > > > radeon had some bugs when it came to rotation.
> > >
> > > xserver 2:1.4.1~git20080105-1
> > > xserver-xorg-video-ati 1:6.7.198~git20080109.10e7636c-1
> >
> > Can you get a picture of the corruption maybe with a digital camera?
> > Also are you using EXA or XAA?
>
> Here are the pictures (1 from afar, 1 nearer).
> I hope attaching big files to a bug is ok.

Can you post your xorg log and config?  Does rotation work ok under
XAA?  How about if you disable tiling (Option "ColorTiling" "False")?
Looks like an issue with damage and tiling.

Alex