agp/intel: restore cache behavior on sandybridge

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This restores cache behavior for default AGP_USER_MEMORY as
uncached, and leave default AGP_USER_CACHED_MEMORY as LLC only.
I've seen different cache behavior on one sandybridge desktop CPU vs.
another mobile CPU. Until we figure out how to detect the real cache
config, restore back to the original behavior now.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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Zhenyu Wang 2010-11-02 17:30:47 +08:00 • committed by Chris Wilson

parent d110852513

commit 897ef19251

1 changed files with 1 additions and 1 deletions

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drivers/char/agp/intel-gtt.c

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