On Thu, Sep 28, 2017 at 11:09:14AM +0000, Chris Wilson wrote: > Quoting Chris Wilson (2017-09-27 17:44:37) > > With preemption, we will want to "unsubmit" a request, taking it back > > from the hw and returning it to the priority sorted execution list. In > > order to know where to insert it into that list, we need to remember > > its adjust priority (which may change even as it was being executed). > s/adjust/adjusted/ > > "This also affects reset for execlists as we are now unsubmitting the > requests following the reset (rather than directly writing the ELSP for > the inflight contexts). This turns reset into an accidental preemption > point, as after the reset we may choose a different pair of contexts to > submit to hw. > > GuC is not updated as this series doesn't add preemption to the GuC > submission, and so it can keep benefiting from the early pruning of the > DFS inside execlists_schedule() for a little longer. We also need to > find a way of reducing the cost of that DFS..." > Reviewed-by: Michał Winiarski <michal.winiarski@xxxxxxxxx> -Michał _______________________________________________ Intel-gfx mailing list Intel-gfx@xxxxxxxxxxxxxxxxxxxxx https://lists.freedesktop.org/mailman/listinfo/intel-gfx
