[PATCHES] improve gamma support for randr-1.2 drivers

[Maarten Maathuis]

These two patches should accomplish the following:

- Usage of Gamma in xorg.conf will be associated with an output and set 
on the initial crtc.
   (This should work as good as possible for clone modes, eg a non-1.0 
gamma will not be overwritten with a standard value)
- Gamma is stored from preinit and between server generations.
- The old colourmap system will be disabled if gamma hook is available.
- xrandr can now set gamma.

My main question is, are there any xserver ABI's to bump due to the 
changes to the xf86CrtcRec struct?

Maarten.



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