Quoting Tvrtko Ursulin (2019-01-25 15:24:39) > From: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > > Timeline barrier allows serialization between different timelines. > > After calling i915_timeline_set_barrier with a request, all following > submissions on this timeline will be set up as depending on this request, > or barrier. Once the barrier has been completed it automatically gets > cleared and things continue as normal. > > This facility will be used by the upcoming context SSEU code. > > v2: > * Assert barrier has been retired on timeline_fini. (Chris Wilson) > * Fix mock_timeline. > > v3: > * Improved comment language. (Chris Wilson) > > Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@xxxxxxxxx> > Suggested-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Cc: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> > Reviewed-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx> I sent a fix for this yesterday, we need to preserve the earlier barrier chain setting a new barrier (or else it fails if mix barriers along different timelines). -Chris _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
