[Intel-gfx] [PATCH] drm/i915: allocate & enable MCHBAR if needed

Zhenyu Wang zhenyuw at linux.intel.com
Wed May 6 10:22:52 CEST 2009


On 2009.04.01 05:23:15 +0800, Jesse Barnes wrote:
> I noticed on my Eee 901 that the i915 DRM driver wasn't reading the
> MCHBAR reg at startup time, and so it would disable tiling.  For decent
> performance, especially on an Eee-like platform, tiling is a must.  So
> I put this patch together to allocate MCHBAR space and enable it if
> necessary.
> 
> In combination with the pre-965 tiling patches in the tree now, you
> should see a big performance improvement if you have an affected
> machine.
> 

Jesse, what's the status of this one? I also need this on my eeepc.

-- 
Open Source Technology Center, Intel ltd.

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