No there is no working Accelleration for me here, at least I can't call this messiness Acceleration Maybe I can upload a video to video.google.com then you can see how it works on my firstname.lastname@example.org:
Good to hear that accelleration support basically works on your machine! I too experience the slowness of scrolling but without screen corruptions. Well, there's at least no mess on my screen without the working drm module
Edit: I took some screenshots about the corruption.
This is what happens when you move windows around. This should explain how terribly slow window paintings are.
these are screenshots:
And this is my xorg.0.log