From: Matt Roper <matthew.d.roper@intel.com>
Date: Wed, 9 Jul 2014 23:22:11 +0000 (-0700)
Subject: drm/i915: Add a couple WARN()'s to catch missing locks
X-Git-Tag: omap-for-v3.17/fixes-against-rc2~125^2~49^2~27
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=ebcdd39eafb1d87e1aa31edfb65cd53bfc604346;p=pandora-kernel.git

drm/i915: Add a couple WARN()'s to catch missing locks

Add !mutex_is_locked() checks to intel_pin_and_fence_fb_obj() and
intel_unpin_fb_obj() to help catch failures to grab struct_mutex when
operating on fb objects.

Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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