On Mon, Jan 11, 2016 at 06:42:39PM +0000, John.C.Harrison@xxxxxxxxx wrote: > From: John Harrison <John.C.Harrison@xxxxxxxxx> > > MMIO flips are the preferred mechanism now but more importantly, Says who? > pipe > based flips cause issues for the scheduler. Specifically, submitting > work to the rings around the side of the scheduler could cause that > work to be lost if the scheduler generates a pre-emption event on that > ring. That just says that you haven't designed for the ability to schedule a flip into the scheduler, including handling the priority bump that might required to hit the deadline. -Chris -- Chris Wilson, Intel Open Source Technology Centre _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/intel-gfx