On Thu, 2010-04-29 at 15:45 -0700, Eric Anholt wrote: > On Fri, 23 Apr 2010 11:17:40 -0400, Adam Jackson <a...@redhat.com> wrote: > > Restore it on the way back up if we disabled it on the way down. > > I don't think we need to restore it on the way back up. The > force_mode_set will DPMS the CRTCs which should turn FBC back on, right? > > Given that, I wonder if we shouldn't move the FBC register save/restore > to the non-KMS path entirely.
Sounds right to me. I'm still a little cautious about enabling gen3 fbc again, Jesse made it sound like there were stability problems with it outside of suspend. Maybe i915.powersave=2 to enable unstable features? - ajax
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