From: Hunt Xu <mhuntxu@gmail.com>
Date: Sun, 1 Jul 2012 03:45:07 +0000 (+0000)
Subject: drm/i915: make rc6 in sysfs functions conditional
X-Git-Tag: v3.6-rc2~12^2~4^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=5ab3633d6907018b0b830a720e877c3884d679c3;p=pandora-kernel.git

drm/i915: make rc6 in sysfs functions conditional

Commit 0136db586c028f71e7cc21cc183064ff0d5919c8 merges rc6 information
into the power group. However, when compiled with CONFIG_PM not set,
modprobing i915 would taint since power_group_name is defined as NULL.

This patch makes these rc6 in sysfs functions conditional upon the
definition of the CONFIG_PM macro to avoid the above-mentioned problem.

Bugzilla: https://bugzilla.kernel.org/show_bug.cgi?id=45181
Cc: stable@vger.kernel.org
Tested-by: Kris Karas <bugs-a12@moonlit-rail.com>
Signed-off-by: Hunt Xu <mhuntxu@gmail.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
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