[Bug 33331] [radeon 5450] screen damage + lack of 2D accelleration.

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=33331

--- Comment #9 from Alex Deucher <agd5f at yahoo.com> 2011-01-21 07:20:09 PST ---
You are using UMS which does not support acceleration with evergreen cards. 
Only KMS supports acceleration.  The display issues are likely caused by a mix
of a UMS ddx (xf86-video-ati) with a KMS kernel; both drivers are trying to
control the hardware.  Make sure you built your ddx with KMS support and that
the drm is loaded before you start X.

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