Re: [Intel-gfx] [PATCH 06/11] drm/i915: Keep timeline HWSP allocated until idle across the system

2019-02-27 Thread Chris Wilson
Quoting Tvrtko Ursulin (2019-02-27 10:44:42) > > On 26/02/2019 10:23, Chris Wilson wrote: > > In preparation for enabling HW semaphores, we need to keep in flight > > timeline HWSP alive until its use across entire system has completed, > > as any other timeline active on the GPU may still refer b

Re: [Intel-gfx] [PATCH 06/11] drm/i915: Keep timeline HWSP allocated until idle across the system

2019-02-27 Thread Tvrtko Ursulin
On 26/02/2019 10:23, Chris Wilson wrote: In preparation for enabling HW semaphores, we need to keep in flight timeline HWSP alive until its use across entire system has completed, as any other timeline active on the GPU may still refer back to the already retired timeline. We both have to delay

[Intel-gfx] [PATCH 06/11] drm/i915: Keep timeline HWSP allocated until idle across the system

2019-02-26 Thread Chris Wilson
In preparation for enabling HW semaphores, we need to keep in flight timeline HWSP alive until its use across entire system has completed, as any other timeline active on the GPU may still refer back to the already retired timeline. We both have to delay recycling available cachelines and unpinning