On Thu, Sep 28, 2017 at 11:09:14AM +, 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
On Wed, 2017-09-27 at 17:44 +0100, Chris Wilson wrote:
> 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
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
Quoting Chris Wilson (2017-09-28 10:31:00)
> Quoting Michał Winiarski (2017-09-28 10:14:47)
> > Please, add the same behavior to GuC submission path.
>
> Why?
To expand on this, there is a large negative cost in removing the
dfs optimisation. What benefit does it bring to the execution when
Quoting Michał Winiarski (2017-09-28 10:14:47)
> On Wed, Sep 27, 2017 at 04:44:37PM +, Chris Wilson wrote:
> > 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
On Wed, Sep 27, 2017 at 04:44:37PM +, Chris Wilson wrote:
> 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
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).
Signed-off-by:
