On Fri, Nov 30, 2012 at 2:00 AM,  <th...@cestona.ro> wrote:
>
>> If you are using xf86-video-ati from git, you can try disabling tiling.
>> Add:
>> Option "ColorTiling2D" "False"
>> in the device section of your xorg.conf
>
> I added a 20-radeon.conf to xorg.conf.d with this content:
> ephraim@errorl:~$ cat /usr/share/X11/xorg.conf.d/20-radeon.conf
> Section "Device"
>         Identifier  "TheCard"
>         Driver "radeon"
>         Option "ColorTiling2D" "False"
> EndSection
>
> And found this in Xorg.0.log:
> [  2219.770] (**) RADEON(G0): Option "ColorTiling2D" "False"
> [  2219.771] (II) RADEON(G0): KMS Color Tiling: enabled
> [  2219.771] (II) RADEON(G0): KMS Color Tiling 2D: disabled
>
> But it changed nothing regarding 3D glitches.
>

How about disabling tiling completely?
Option "ColorTiling" "false"

>
>> You can also try mesa 8.0.5.
>
> Should I downgrade to ver. 8.0.5?? I though that xf86-video-ati needs mesa
> 9.X.X ??

 xf86-video-ati 7.x needs mesa 9.x for 2D tiling.  If you disabling
tiling you can mix and match with older releases.

Alex

>
> Greetings,
> Thilo
>
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