Quoting Ville Syrjala (2017-11-16 19:14:47) > From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx> > > The current code is trying to be lazy with fences on scanout buffers. > That looks broken for several reasons: > * gen2/3 always need a fence for tiled scanout Which it already gets. All gen2-gen4 are given a fenceable vma. > * the unpin doesn't know whether we pinned the fence or not so it > may unpin something we don't own Then track it correctly. > * FBC GTT tracking needs a fence (not sure we have proper fallback > for when there is no fence) Debatable as whether that is worth forcing a fence; the argument being that you don't want to stall your flip upon eviction which is the situation you are already in if you didn't get a fence in the first place. -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
