Re: [Intel-gfx] [PATCH] drm/i915/guc: Check that the breadcrumb irq is enabled

2018-04-10 Thread Chris Wilson
Quoting Chris Wilson (2018-04-09 15:49:22) > Quoting Michal Wajdeczko (2018-04-09 15:08:40) > > On Mon, 09 Apr 2018 14:42:19 +0200, Chris Wilson > > wrote: > > > > > Our execlists emulation for GuC requires use of the breadcrumb following > > > every request as a

Re: [Intel-gfx] [PATCH] drm/i915/guc: Check that the breadcrumb irq is enabled

2018-04-09 Thread Chris Wilson
Quoting Michal Wajdeczko (2018-04-09 15:08:40) > On Mon, 09 Apr 2018 14:42:19 +0200, Chris Wilson > wrote: > > > Our execlists emulation for GuC requires use of the breadcrumb following > > every request as a simulcrum for the context-switch interrupt, which we > >

Re: [Intel-gfx] [PATCH] drm/i915/guc: Check that the breadcrumb irq is enabled

2018-04-09 Thread Michal Wajdeczko
On Mon, 09 Apr 2018 14:42:19 +0200, Chris Wilson wrote: Our execlists emulation for GuC requires use of the breadcrumb following every request as a simulcrum for the context-switch interrupt, which we then use to drive the submission tasklet. Therefore, when we

[Intel-gfx] [PATCH] drm/i915/guc: Check that the breadcrumb irq is enabled

2018-04-09 Thread Chris Wilson
Our execlists emulation for GuC requires use of the breadcrumb following every request as a simulcrum for the context-switch interrupt, which we then use to drive the submission tasklet. Therefore, when we unpark the engine for use with the GuC, we pin the breadcrumb interrupt to keep it enabled