From 09c3de135063f93d7137ad112f551f293b1204cf Mon Sep 17 00:00:00 2001
From: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Date: Wed, 29 Jan 2014 11:05:09 +0100
Subject: [PATCH] drm/nouveau: fix lock unbalance in nouveau_crtc_page_flip

Fixes a regression introduced by d5c1e84b3a130f0
"drm/nouveau: hold mutex while syncing to kernel channel".

Cc: stable@vger.kernel.org #3.13
Reported-by: Fengguang Wu <fengguang.wu@intel.com>
Signed-off-by: Maarten Lankhorst <maarten.lankhorst@canonical.com>
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
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Reading git-format-patch failed