agp/intel: Restore valid PTE bit for Sandybridge after bdd3072

In cleaning up the mask functions in bdd3072, the setting of the PTE
valid bit was dropped for Sandybridge.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
This commit is contained in:
Chris Wilson 2010-10-22 14:59:29 +01:00
commit 85ccc35b7e