We may choose not to submit for a number of reasons, yet not fill both
ELSP. In which case we must start timeslicing (there will be no ACK
event on which to hook the start) if the queue would benefit from the
currently active context being evicted.
Signed-off-by: Chris Wilson <chris@xxxxxxxxxxxxxxxxxx>
---
drivers/gpu/drm/i915/gt/intel_lrc.c | 5 ++---
1 file changed, 2 insertions(+), 3 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_lrc.c b/drivers/gpu/drm/i915/gt/intel_lrc.c
index 92c3368ffcbd..d55a5e0466e5 100644
--- a/drivers/gpu/drm/i915/gt/intel_lrc.c
+++ b/drivers/gpu/drm/i915/gt/intel_lrc.c
@@ -2362,10 +2362,8 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
if (last->context == rq->context)
goto done;
- if (i915_request_has_sentinel(last)) {
- start_timeslice(engine, rq_prio(rq));
+ if (i915_request_has_sentinel(last))
goto done;
- }
/*
* If GVT overrides us we only ever submit
@@ -2446,6 +2444,7 @@ static void execlists_dequeue(struct intel_engine_cs *engine)
set_preempt_timeout(engine, *active);
execlists_submit_ports(engine);
} else {
+ start_timeslice(engine, execlists->queue_priority_hint);
skip_submit:
ring_set_paused(engine, 0);
}
--
2.20.1
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