On Wed, Apr 26, 2017 at 11:35:33AM +0100, Tvrtko Ursulin wrote:
>
> On 26/04/2017 09:06, Chris Wilson wrote:
> >If we are enabling the breadcrumbs signaling prior to submitting the
> >request, we know that we cannot have missed the interrupt and can
> >therefore skip immediately waking the signale
On 26/04/2017 09:06, Chris Wilson wrote:
If we are enabling the breadcrumbs signaling prior to submitting the
request, we know that we cannot have missed the interrupt and can
therefore skip immediately waking the signaler to check.
This reduces a significant chunk of the __i915_gem_request_sub
If we are enabling the breadcrumbs signaling prior to submitting the
request, we know that we cannot have missed the interrupt and can
therefore skip immediately waking the signaler to check.
This reduces a significant chunk of the __i915_gem_request_submit()
overhead for inter-engine synchronisat