From 265db9585e570814d2f7aca109c5563bcde9c948 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 20 Sep 2010 15:41:01 +0100
Subject: [PATCH] drm/i915: Drain any pending flips on the fb prior to
 unpinning

If we have queued a page flip on the current fb and then request a mode
change, wait until the page flip completes before performing the new
request.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Reading git-format-patch failed