--
> From: Chris Wilson [mailto:ch...@chris-wilson.co.uk]
> Sent: Monday, March 12, 2018 6:47 PM
> To: He, Min <min...@intel.com>; intel-gfx@lists.freedesktop.org
> Subject: Re: [Intel-gfx] [PATCH] drm/i915: avoid false fence signaling when
> enabling preemption
>
>
Quoting Chris Wilson (2018-03-12 10:42:56)
> Quoting Min He (2018-03-12 06:17:10)
> > In i915_request_wait(), it adds a local intel_wait variable into rb tree
> > of waiters. However, when the corresponding request is preempted, the
> > seqno of this wait will not be updated, which will lead to a
Quoting Chris Wilson (2018-03-12 10:42:56)
> Quoting Min He (2018-03-12 06:17:10)
> > In i915_request_wait(), it adds a local intel_wait variable into rb tree
> > of waiters. However, when the corresponding request is preempted, the
> > seqno of this wait will not be updated, which will lead to a
Quoting Min He (2018-03-12 06:17:10)
> In i915_request_wait(), it adds a local intel_wait variable into rb tree
> of waiters. However, when the corresponding request is preempted, the
> seqno of this wait will not be updated, which will lead to a false
> signaling to the request and cause the
