linux-kernel - hot CPU with 3.6.0-rc7+ and intel graphic

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Date:	Thu, 27 Sep 2012 17:42:16 +0200
From:	Toralf Förster <toralf.foerster@....de>
To:	dri-devel@...ts.freedesktop.org
CC:	Linux Kernel <linux-kernel@...r.kernel.org>
Subject: hot CPU with 3.6.0-rc7+ and intel graphic

Hello,

I'm observing a high CPU usage at my ThinkPad T420 (i5-2540M CPU), w/
integrated intel graphic.

Powertop-2.1 shows that the GPU is always at 100%, although I've defined
these settings :
$> cat /etc/modprobe.d/i915.conf
options i915 i915_enable_rc6=7 lvds_downclock=0

Kernel 3.5.4 works fine, I don't see any differences in dmesg output.



-- 
MfG/Sincerely
Toralf Förster
pgp finger print: 7B1A 07F4 EC82 0F90 D4C2 8936 872A E508 7DB6 9DA3
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