From: Jesse Barnes <jbarnes@virtuousgeek.org>
Date: Wed, 5 Jan 2011 20:01:24 +0000 (-0800)
Subject: drm/i915: re-enable rc6 support for Ironlake+
X-Git-Tag: v2.6.38-rc1~398^2~2^2~14
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=88271da3f3da75d6eaef5e768c82a1627edf7088;p=pandora-kernel.git

drm/i915: re-enable rc6 support for Ironlake+

Re-enable rc6 support on Ironlake for power savings.  Adds a debugfs
file to check current RC state, adds a missing workaround for Ironlake
MI_SET_CONTEXT instructions, and renames MCHBAR_RENDER_STANDBY to
RSTDBYCTL to match the docs.

Keep RC6 and the power context disabled on pre-ILK.  It only seems to
hang and doesn't save any power.

Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
---

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