From: Chris Wilson <chris@chris-wilson.co.uk>
Date: Thu, 18 Oct 2012 10:46:10 +0000 (+0100)
Subject: drm/i915: Clear FORCEWAKE when taking over from BIOS
X-Git-Tag: v3.8-rc1~82^2~192^2~173
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=16995a9fe140802c026c2ce17bf7e232f86d57ab;p=pandora-kernel.git

drm/i915: Clear FORCEWAKE when taking over from BIOS

Some BIOSes may forcibly suspend RC6 during their operation which
trigger a warning as we find the hardware in a perplexing state upon
first use. So far that appears to be the worst symptom as fortuituously
we use the same values as the BIOS for programming the FORCEWAKE register.

Reported-by: Oleksij Rempel <bug-track@fisher-privat.net>
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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