tree 704c50f7b10f6b3bfe159aba2e21bbadac8c3191
parent 58a27471d00dc09945cbcfbbc5cbcdcd3c28211d
author Jesse Barnes <jbarnes@virtuousgeek.org> 1255548821 -0700
committer Eric Anholt <eric@anholt.net> 1255623648 -0700

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>