-----Original Message-----
From: Chris Wilson [mailto:ch...@chris-wilson.co.uk]
Sent: Thursday, February 8, 2018 3:37 PM
To: Li, Weinan Z <weinan.z...@intel.com>; intel-gfx@lists.freedesktop.org
Cc: intel-gvt-...@lists.freedesktop.org; Li, Weinan Z <weinan.z...@intel.com>;
Zhenyu Wang <zhen...@linux.intel.com>
Subject: Re: [PATCH] drm/i915: add schedule out notification of completed
request during unwind
Quoting Weinan Li (2018-02-08 01:17:59)
> There is one corner case missing schedule out notification for GVT-g
> in __unwind_incomplete_requests, it may cause vgpu no response. Add
> notification when ensure one request has been completed during doing
> unwind.
You never get the schedule-in for those, only ELSP.
-Chris
@@ -285,9 +314,10 @@ static void __unwind_incomplete_requests(struct
intel_engine_cs *engine)
list_for_each_entry_safe_reverse(rq, rn,
&engine->timeline->requests,
link) {
- if (i915_gem_request_completed(rq))
+ if (i915_gem_request_completed(rq)) {
Thanks Chris, Do you mean it won't run to here, I am not sure but I indeed
found notification missing in GVT-g with linux guest.
+ execlists_context_schedule_out(rq);
return;
-
+ }
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