drm/i915: Add more registers save/restore for Ironlake suspend
authorZhenyu Wang <zhenyuw@linux.intel.com>
Fri, 6 Nov 2009 02:13:02 +0000 (02:13 +0000)
committerEric Anholt <eric@anholt.net>
Thu, 12 Nov 2009 19:21:14 +0000 (11:21 -0800)
commit5586c8bc93ac5fe75f5fd14e8c7add5344d1c548
treebec847e7cc496e9449750d7e2ed207286fb09e7d
parent2d109a845dd3074885db726892c629ab73dd0ed8
drm/i915: Add more registers save/restore for Ironlake suspend

Add more display registers save/restore to fix unstable issues
during S4 testing on Ironlake. And DPLL_B_MD should not be restored
on Ironlake.

Signed-off-by: Zhenyu Wang <zhenyuw@linux.intel.com>
Signed-off-by: Eric Anholt <eric@anholt.net>
drivers/gpu/drm/i915/i915_drv.h
drivers/gpu/drm/i915/i915_suspend.c