[PATCH] new radeon memory map fixes (#3)

[Shawn Starr]

Installed, I will test those tonight. I noticed stalls
during the playing of any movies I have XAA mode
turned on. I am back to EXA now. This was with the
previous set of patches.

Shawn.

--- Benjamin Herrenschmidt <benh at kernel.crashing.org>
wrote:

> Here's a 3rd set of patches. Please report
> regressions ASAP as I intend
> to merge those in the various CVS trees real soon
> now.
> 
> I fixed a couple of possible segfaults I found due
> to initialisation
> issues (places relying on pScrn->pScreen from within
> ScreenInit() and
> incorrect ordering of colormap vs. cursor inits for
> example).
>  
> Also, I fixed a potential issue in the DRM with
> machines where AGP
> writeback doesn't work (we would still rely on AGP
> writeback for the
> ring read ptr instead of reading it from a
> register).
> 
> Patches are at:
> 
> Xorg driver patch:
>
http://gate.crashing.org/~benh/radeon-memmap-7.0-3.diff
> 
> DRM patch:
>
http://gate.crashing.org/~benh/radeon-memmap-drm-4.diff
> 
> Cheers,
> Ben.
> 
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