[PATCH] Massive clean-up to MGA server-side DRI code

[Dave Airlie]

> 
> The main reason I made this change was that I'll be adding a couple
> ioctls and associated data structures in the MGA DRM.  I don't want to
> have to maintain the same information in 2 different places, whether
> they have the same names or not.

What about building MGA drivers on non-BSD/Linux platforms, that don't
have a DRM at all.. are these things all wrapped with the XF86DRI
define etc..

Dave.