Re: [Intel-gfx] [PATCH 28/33] drm/i915: Drop fake breadcrumb irq

2019-01-25 Thread Tvrtko Ursulin
On 25/01/2019 02:30, Chris Wilson wrote: Missed breadcrumb detection is defunct due to the tight coupling with dma_fence signaling and the myriad ways we may signal fences from everywhere but from an interrupt, i.e. we frequently signal a fence before we even see its interrupt. This means that e

[Intel-gfx] [PATCH 28/33] drm/i915: Drop fake breadcrumb irq

2019-01-24 Thread Chris Wilson
Missed breadcrumb detection is defunct due to the tight coupling with dma_fence signaling and the myriad ways we may signal fences from everywhere but from an interrupt, i.e. we frequently signal a fence before we even see its interrupt. This means that even if we miss an interrupt for a fence, it