On Fri, Nov 02, 2012 at 11:14:02AM -0700, Jesse Barnes wrote: > The BIOS shouldn't be touching this memory across suspend/resume, so > just leave it alone. This saves us ~6ms on resume on my T420 (retested > with write combined PTEs). > > v2: change gtt restore default on pre-gen4 (Chris) > move needs_gtt_restore flag into dev_priv > v3: make sure we restore GTT on resume from hibernate (Daniel) > use opregion support as the cutoff for restore from resume (Chris) > v4: use a better check for opregion (Chris) > > Reviewed-by: Chris Wilson <chris at chris-wilson.co.uk> > Signed-off-by: Jesse Barnes <jbarnes at virtuousgeek.org> Merged, with some bikeshed applied, and the less-than-careful locking switch in patch 3 fixed. Please check whether I haven't botched it up. Thanks, Daniel -- Daniel Vetter Software Engineer, Intel Corporation +41 (0) 79 365 57 48 - http://blog.ffwll.ch
