Commits
Jesse Barnes committed 0eb96d6ed38
drm/i915: save/restore BLC histogram control reg across suspend/resume Turns out some machines, like the ThinkPad X40 don't come back if you don't save/restore this register. Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org> Signed-off-by: Eric Anholt <eric@anholt.net>