On Wed, Jan 21, 2015 at 03:13:58PM +0100, Daniel Vetter wrote: > On Wed, Jan 21, 2015 at 3:08 PM, Ville Syrjälä > <ville.syrjala@xxxxxxxxxxxxxxx> wrote: > >> @@ -3735,7 +3733,7 @@ i915_gem_object_set_to_gtt_domain(struct drm_i915_gem_object *obj, bool write) > >> if (ret) > >> return ret; > >> > >> - i915_gem_object_flush_cpu_write_domain(obj, false); > >> + i915_gem_object_flush_cpu_write_domain(obj); > > > > This is the only place where there's a slight change in behaviour. > > Previosuly we would not clflush here when pin_display==true, but from > > now on we will. I had a patch to do only this change (part of some FBC > > series), but IIRC you argued it could hide bugs. I guess you've > > now changed you mind ;) > > Hm, I don't remember that I've shot down a patch to change this and I > can't come up with any reason any more why. But you're right that the > commit message is a bit too silent about the behavioral change here. > Lazy me will try harder and augment it when merging. http://lists.freedesktop.org/archives/intel-gfx/2013-November/036421.html Also seems Chris already suggested dropping the force parameter back then, but no one took the bait: http://lists.freedesktop.org/archives/intel-gfx/2013-November/036346.html -- Ville Syrjälä Intel OTC _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx