Re: [Intel-gfx] [PATCH 13/13] drm/i915: Allow specification of parallel execbuf

2019-03-11 Thread Tvrtko Ursulin
On 08/03/2019 14:12, Chris Wilson wrote: There is a desire to split a task onto two engines and have them run at the same time, e.g. scanline interleaving to spread the workload evenly. Through the use of the out-fence from the first execbuf, we can coordinate secondary execbuf to only become re

[Intel-gfx] [PATCH 13/13] drm/i915: Allow specification of parallel execbuf

2019-03-08 Thread Chris Wilson
There is a desire to split a task onto two engines and have them run at the same time, e.g. scanline interleaving to spread the workload evenly. Through the use of the out-fence from the first execbuf, we can coordinate secondary execbuf to only become ready simultaneously with the first, so that w