On Mon, Jul 29, 2013 at 05:48:24PM -0300, Paulo Zanoni wrote: > From: Paulo Zanoni <paulo.r.zanoni@xxxxxxxxx> > > If we're already allowing PC8, just don't use the IRQs, so we won't > need to wake from PC8. Waking up from PC8 is a slow thing, so avoid it > when we can. You would also need to explain that the GMBUS is outside of the display power well. Looks reasonable, the only bit is moving the read of forbid_count into hsw_pc8_enabled() so that the gmbus code isn't poking around with someone else's locks, and we can safely do an unlocked optimistic read here. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx
