Slow 2D with radeon KMS

[Dave Airlie]

On Sun, Jan 31, 2010 at 12:35 AM, Damien Mir
<mailings.xorg at mirabel-sil.com> wrote:
> Hi,
>
> I just tried KMS with "radeon" driver, and 2D seems notably slow.
> Widgets takes time to draw, scrolling in Dolphin or Firefox lags, as if
> some 2D acceleration was not working alright.
>
> Used latest 2.6.33rc5 kernel + drm modules from :
> http://download.opensuse.org/repositories/home:/jobermayr/openSUSE_11.2/x86_64/
> http://download.opensuse.org/repositories/Kernel:/HEAD/openSUSE_11.2/x86_64/
>
>
> Relevant xorg.log :
> http://88.191.15.45/RVRV/Xorg.0.log.kms

You really want to be using a 1.7 X server with KMS radeon or nouveau.

Dave.