On Fri, 2 Nov 2012 23:55:04 +0100 Daniel Vetter <daniel at ffwll.ch> wrote: > 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. Hm I even changed the name of the rps struct to catch all the cases at compile time. Maybe I sent out an old version or forgot a git add... thanks for fixing it up. -- Jesse Barnes, Intel Open Source Technology Center
