Re: [Intel-gfx] [PATCH] drm/i915/guc: Remove preemption support for current fw

2019-02-15 Thread Daniele Ceraolo Spurio
On 2/15/19 2:48 PM, Chris Wilson wrote: Preemption via GuC submission quickly degrades into confused firmware and misordered requests. It is not being supported with no intention of being fixed in its current incarnation, so remove the unstable code. By removing the workqueue from the GuC submi

[Intel-gfx] [PATCH] drm/i915/guc: Remove preemption support for current fw

2019-02-15 Thread Chris Wilson
Preemption via GuC submission quickly degrades into confused firmware and misordered requests. It is not being supported with no intention of being fixed in its current incarnation, so remove the unstable code. By removing the workqueue from the GuC submission path, we can now do direct engine-rese