From be1c1fe21b3a9d48580bdf976c8dac844f456290 Mon Sep 17 00:00:00 2001
From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Mon, 18 Nov 2013 18:32:36 -0800
Subject: [PATCH] drm/i915: Hold pc8 lock around toggling pc8.gpu_idle

We need to hold the pc8 lock around toggling the value of gpu_idle.

Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Cc: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Signed-off-by: Rodrigo Vivi <rodrigo.vivi@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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Reading git-format-patch failed