[Intel-gfx] [PATCH] drm/i915: Use the LLC mode on gen6 for everything but display.

[Eric Anholt]

On Sat, 12 Mar 2011 04:47:23 +0800, "Zou, Nanhai" <nanhai.zou at intel.com> wrote:
> Like we have discussed.
> I think set FB uncached, batch buffer and ring buffer LLC cached.
> everything else LLC+MLC cached may get the best performance.

I don't see how batch or ring uncached should be faster than cache.  Why
send our writes all the way out to main memory before pulling them in
again with the GPU?
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