drm/i915: Ensure that the mode change flushing is currently uninterruptible
authorChris Wilson <chris@chris-wilson.co.uk>
Sun, 26 Sep 2010 21:47:46 +0000 (22:47 +0100)
committerChris Wilson <chris@chris-wilson.co.uk>
Sun, 26 Sep 2010 21:50:36 +0000 (22:50 +0100)
Introduced by 48b956c5, I had thought I had already fixed this. Oh well.

Reported-by: Sitsofe Wheeler <sitsofe@yahoo.com>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>

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