drm/i915: Restore GTT mapping first upon resume
authorChris Wilson <chris@chris-wilson.co.uk>
Wed, 8 Dec 2010 14:26:19 +0000 (14:26 +0000)
committerChris Wilson <chris@chris-wilson.co.uk>
Thu, 9 Dec 2010 19:46:23 +0000 (19:46 +0000)
As suggested by Daniel Vetter, this is a safeguard should any of the
registers cause reference to PTE entries.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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