diff options
Diffstat (limited to 'drivers/gpu/drm/i915/i915_scheduler.c')
| -rw-r--r-- | drivers/gpu/drm/i915/i915_scheduler.c | 20 |
1 files changed, 16 insertions, 4 deletions
diff --git a/drivers/gpu/drm/i915/i915_scheduler.c b/drivers/gpu/drm/i915/i915_scheduler.c index 4eeba588b996..2d172991024f 100644 --- a/drivers/gpu/drm/i915/i915_scheduler.c +++ b/drivers/gpu/drm/i915/i915_scheduler.c @@ -238,6 +238,18 @@ sched_lock_engine(struct i915_sched_node *node, struct intel_engine_cs *locked) return engine; } +static bool inflight(const struct i915_request *rq, + const struct intel_engine_cs *engine) +{ + const struct i915_request *active; + + if (!rq->global_seqno) + return false; + + active = port_request(engine->execlists.port); + return active->hw_context == rq->hw_context; +} + static void __i915_schedule(struct i915_request *rq, const struct i915_sched_attr *attr) { @@ -327,6 +339,7 @@ static void __i915_schedule(struct i915_request *rq, INIT_LIST_HEAD(&dep->dfs_link); engine = sched_lock_engine(node, engine); + lockdep_assert_held(&engine->timeline.lock); /* Recheck after acquiring the engine->timeline.lock */ if (prio <= node->attr.priority || node_signaled(node)) @@ -355,17 +368,16 @@ static void __i915_schedule(struct i915_request *rq, if (prio <= engine->execlists.queue_priority_hint) continue; + engine->execlists.queue_priority_hint = prio; + /* * If we are already the currently executing context, don't * bother evaluating if we should preempt ourselves. */ - if (node_to_request(node)->global_seqno && - i915_seqno_passed(port_request(engine->execlists.port)->global_seqno, - node_to_request(node)->global_seqno)) + if (inflight(node_to_request(node), engine)) continue; /* Defer (tasklet) submission until after all of our updates. */ - engine->execlists.queue_priority_hint = prio; tasklet_hi_schedule(&engine->execlists.tasklet); } |