On Thu, Oct 13, 2016 at 04:17:07PM +0200, Daniel Vetter wrote: > On Wed, Oct 12, 2016 at 07:21:44AM +0200, Maarten Lankhorst wrote: > > I don't see a nice way to do this, it probably means we shouldn't do this at all.. > > Maybe have a function look at dev_priv->power_domains.domain_use_count[[POWER_DOMAIN_PIPE(pipe)] >= 1? > > It's potentially racy but I don't see a nice way to check, apart from hoping we handle the drm vblank on/off > > calls correctly. > > > > The only other way I see is demidlayering vblank. > > Or switch over power domains over to the core power domain stuff. There's > a reason those are protected with spinlocks, so that you can do these > kinds of checks ;-) Why not both! They're on the wishlist somewhere. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
