[PATCH] Add 2-level GPUVM pagetables support to radeon driver.

[Dmitry Cherkassov]

Michel,

> E.g. reflect from Mesa Demos wasn't able to sustain 60 fps in
> fullscreen.
>

I've tried reflect with my patches on cayman and it sustained 60 fps
in maximized window
@ 1680x1080

I'll test when i have tahiti machine ready.

-- 
With best regards,
Dmitry