Re: [Intel-gfx] [PATCH 09/12] HACK drm/i915/scheduler: emulate a scheduler for guc

2016-11-03 Thread Tvrtko Ursulin
On 02/11/2016 17:50, Chris Wilson wrote: This emulates execlists on top of the GuC in order to defer submission of requests to the hardware. This deferral allows time for high priority requests to gazump their way to the head of the queue, however it nerfs the GuC by converting it back into a si

[Intel-gfx] [PATCH 09/12] HACK drm/i915/scheduler: emulate a scheduler for guc

2016-11-02 Thread Chris Wilson
This emulates execlists on top of the GuC in order to defer submission of requests to the hardware. This deferral allows time for high priority requests to gazump their way to the head of the queue, however it nerfs the GuC by converting it back into a simple execlist (where the CPU has to wake up