[Intel-gfx] [PATCH 16/49] drm/i915: Optimistically spin for the request completion

2015-03-27 Thread Chris Wilson
This provides a nice boost to mesa in swap bound scenarios (as mesa throttles itself to the previous frame and given the scenario that will complete shortly). It will also provide a good boost to systems running with semaphores disabled and so frequently waiting on the GPU as it switches rings. In

Re: [Intel-gfx] [PATCH 16/49] drm/i915: Optimistically spin for the request completion

2015-03-27 Thread Tvrtko Ursulin
On 03/27/2015 11:01 AM, Chris Wilson wrote: This provides a nice boost to mesa in swap bound scenarios (as mesa throttles itself to the previous frame and given the scenario that will complete shortly). It will also provide a good boost to systems running with semaphores disabled and so