From: Rob Clark <robdclark@gmail.com>
Date: Sat, 11 Jan 2014 21:25:08 +0000 (-0500)
Subject: drm/msm: crank down gpu when inactive
X-Git-Tag: v3.15-rc1~51^2~15^2~5
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=37d77c3ab589bf8e3160a33b651fe6dd7439ba48;p=pandora-kernel.git

drm/msm: crank down gpu when inactive

Shut down the clks when the gpu has nothing to do.  A short inactivity
timer is used to provide a low pass filter for power transitions.

Signed-off-by: Rob Clark <robdclark@gmail.com>
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