agp/intel: Don't do the chipset flush on Sandybridge.
authorEric Anholt <eric@anholt.net>
Thu, 18 Mar 2010 19:19:37 +0000 (12:19 -0700)
committerEric Anholt <eric@anholt.net>
Thu, 18 Mar 2010 23:48:00 +0000 (16:48 -0700)
This CPU should be coherent with graphics in this direction, though
flushing graphics caches are still required.  Fixes a system reset on
module load on Sandybridge with 4G+ memory.

Signed-off-by: Eric Anholt <eric@anholt.net>

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