[PATCH 54/62] suppress-only-lite-restore
Chris Wilson
chris at chris-wilson.co.uk
Tue Feb 5 11:23:21 UTC 2019
---
drivers/gpu/drm/i915/intel_lrc.c | 20 ++++++++++++++++----
1 file changed, 16 insertions(+), 4 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_lrc.c b/drivers/gpu/drm/i915/intel_lrc.c
index e9e4dd9b0236..5a8c5c00170e 100644
--- a/drivers/gpu/drm/i915/intel_lrc.c
+++ b/drivers/gpu/drm/i915/intel_lrc.c
@@ -1391,10 +1391,22 @@ static void __submit_queue_imm(struct intel_engine_cs *engine)
tasklet_hi_schedule(&execlists->tasklet);
}
-static void submit_queue(struct intel_engine_cs *engine, int prio)
+static bool inflight(const struct intel_engine_execlists *execlists,
+ const struct i915_request *rq)
{
- if (prio > engine->execlists.queue_priority_hint) {
- engine->execlists.queue_priority_hint = prio;
+ const struct i915_request *active = port_request(execlists->port);
+
+ return active && active->hw_context == rq->hw_context;
+}
+
+static void submit_queue(struct intel_engine_cs *engine,
+ const struct i915_request *rq)
+{
+ struct intel_engine_execlists *execlists = &engine->execlists;
+
+ if (rq_prio(rq) > execlists->queue_priority_hint &&
+ !inflight(execlists, rq)) {
+ execlists->queue_priority_hint = rq_prio(rq);
__submit_queue_imm(engine);
}
}
@@ -1412,7 +1424,7 @@ static void execlists_submit_request(struct i915_request *request)
GEM_BUG_ON(RB_EMPTY_ROOT(&engine->execlists.queue.rb_root));
GEM_BUG_ON(list_empty(&request->sched.link));
- submit_queue(engine, rq_prio(request));
+ submit_queue(engine, request);
spin_unlock_irqrestore(&engine->timeline.lock, flags);
}
--
2.20.1
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