Add wrapper function around RB tree to determine if i915_sched_engine is empty.
Signed-off-by: Matthew Brost matthew.brost@intel.com Reviewed-by: Jason Ekstrand jason@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 49d44c3ac055..75a773cd4e24 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -1289,7 +1289,7 @@ 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,