From: Peng Li <peng.li@intel.com>
Date: Tue, 18 Nov 2008 04:39:02 +0000 (+0800)
Subject: drm/i915: Save/restore HWS_PGA on suspend/resume
X-Git-Tag: v2.6.28-rc7~46^2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=461cba2d294fe83297edf8a6556912812903dce1;p=pandora-kernel.git

drm/i915: Save/restore HWS_PGA on suspend/resume

It fixes suspend/resume failure of xf86-video-intel dri2
branch. As dri2 branch doesn't call I830DRIResume() to restore
hardware status page anymore, we need to preserve
this register across suspend/resume.

Signed-off-by: Peng Li <peng.li@intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
Signed-off-by: Dave Airlie <airlied@redhat.com>
---

Reading git-diff-tree failed