drm/radeon: Update to Linux 3.9

[Francois Tigeot]

Hi Michael,

On Sat, Feb 14, 2015 at 09:29:06PM +0100, Michael Neumann wrote:
> 
> I've updated the drm/radeon code to match Linux 3.9. The code is here 
> [1]. Would be nice if other people could test it
> on their radeon devices before I commit.
> 
> On my Radeon 3300 it works (initially I got some errors because I did 
> not do a full buildkernel!).

Your branch works fine on Radeons X300 and X550.

I didn't notice anything weird with 2D operation.
With OpenGL, Openarena crashes after a while with VM errors but I see
the same behavior with -master.

Thanks for updating the Radeon driver !

-- 
Francois Tigeot