Add wrapper function around RB tree to determine if i915_sched_engine is
empty.
Signed-off-by: Matthew Brost <matthew.br...@intel.com>
Reviewed-by: Jason Ekstrand <ja...@jlekstrand.net>
---
drivers/gpu/drm/i915/gt/intel_engine_cs.c | 2 +-
drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 6 +++---
drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 2 +-
drivers/gpu/drm/i915/i915_scheduler.h | 6 ++++++
4 files changed, 11 insertions(+), 5 deletions(-)
diff --git a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
index 4772ed1a1f3a..aeaf5c6f94b2 100644
--- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c
+++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c
@@ -1296,7 +1296,7 @@ bool intel_engine_is_idle(struct intel_engine_cs *engine)
intel_engine_flush_submission(engine);
/* ELSP is empty, but there are ready requests? E.g. after reset */
- if (!RB_EMPTY_ROOT(&engine->sched_engine->queue.rb_root))
+ if (!i915_sched_engine_is_empty(engine->sched_engine))
return false;
/* Ring stopped? */
diff --git a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
index 4f759559a792..e36b0e81876a 100644
--- a/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
+++ b/drivers/gpu/drm/i915/gt/intel_execlists_submission.c
@@ -384,7 +384,7 @@ __unwind_incomplete_requests(struct intel_engine_cs *engine)
prio = rq_prio(rq);
pl = i915_sched_lookup_priolist(engine, prio);
}
- GEM_BUG_ON(RB_EMPTY_ROOT(&engine->sched_engine->queue.rb_root));
+ GEM_BUG_ON(i915_sched_engine_is_empty(engine->sched_engine));
list_move(&rq->sched.link, pl);
set_bit(I915_FENCE_FLAG_PQUEUE, &rq->fence.flags);
@@ -1139,7 +1139,7 @@ static bool needs_timeslice(const struct intel_engine_cs
*engine,
}
/* Otherwise, ELSP[0] is by itself, but may be waiting in the queue */
- if (!RB_EMPTY_ROOT(&engine->sched_engine->queue.rb_root)) {
+ if (!i915_sched_engine_is_empty(engine->sched_engine)) {
ENGINE_TRACE(engine, "timeslice required for queue\n");
return true;
}
@@ -2487,7 +2487,7 @@ static void execlists_submit_request(struct i915_request
*request)
} else {
queue_request(engine, request);
- GEM_BUG_ON(RB_EMPTY_ROOT(&engine->sched_engine->queue.rb_root));
+ GEM_BUG_ON(i915_sched_engine_is_empty(engine->sched_engine));
GEM_BUG_ON(list_empty(&request->sched.link));
if (submit_queue(engine, request))
diff --git a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
index 5c5f33f40055..d65a7665b38e 100644
--- a/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
+++ b/drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c
@@ -515,7 +515,7 @@ static void guc_submit_request(struct i915_request *rq)
queue_request(engine, rq, rq_prio(rq));
- GEM_BUG_ON(RB_EMPTY_ROOT(&engine->sched_engine->queue.rb_root));
+ GEM_BUG_ON(i915_sched_engine_is_empty(engine->sched_engine));
GEM_BUG_ON(list_empty(&rq->sched.link));
tasklet_hi_schedule(&engine->execlists.tasklet);
diff --git a/drivers/gpu/drm/i915/i915_scheduler.h
b/drivers/gpu/drm/i915/i915_scheduler.h
index 91a04e34cac5..5bec7b3b8456 100644
--- a/drivers/gpu/drm/i915/i915_scheduler.h
+++ b/drivers/gpu/drm/i915/i915_scheduler.h
@@ -66,6 +66,12 @@ i915_sched_engine_put(struct i915_sched_engine *sched_engine)
kref_put(&sched_engine->ref, i915_sched_engine_free);
}
+static inline bool
+i915_sched_engine_is_empty(struct i915_sched_engine *sched_engine)
+{
+ return RB_EMPTY_ROOT(&sched_engine->queue.rb_root);
+}
+
void i915_request_show_with_schedule(struct drm_printer *m,
const struct i915_request *rq,
const char *prefix,
--
2.28.0
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