Hi guys,

I bisected down to

commit 450f2b3d51025a1749b694ee13f0e4e23ed58750
Author: Daniel Vetter <daniel.vet...@ffwll.ch>
Date:   Sat Sep 11 23:48:25 2010 +0200

    intel-gtt: generic (insert|remove)_entries for g33/i965

    Like for the i915.

    Signed-off-by: Daniel Vetter <daniel.vet...@ffwll.ch>
    Signed-off-by: Chris Wilson <ch...@chris-wilson.co.uk>

Before this point I get no DMAR, after this I get DMAR, which isn't
surprising since this commit is the one that removes the calls to the
map/unmap via PCI layer calls.

I'm hoping you just missed something small, and didn't just undo all
the PCI DMA work we did in the AGP layer out of missing the point.

Dave.
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