diff options
| author | Matthew Brost <matthew.brost@intel.com> | 2021-06-18 04:06:32 +0300 |
|---|---|---|
| committer | Matt Roper <matthew.d.roper@intel.com> | 2021-06-19 01:12:03 +0300 |
| commit | 074bb195bce1c86b66e5cd809d6663039d3abf42 (patch) | |
| tree | 2f651e40d5afefe2bd7d87a3494fc43d4bc682b3 /drivers/gpu/drm/i915 | |
| parent | 3e28d37146db5dd49c469bc62a93ca791067d391 (diff) | |
| download | linux-074bb195bce1c86b66e5cd809d6663039d3abf42.tar.xz | |
drm/i915: Add i915_sched_engine_is_empty function
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>
Signed-off-by: Matt Roper <matthew.d.roper@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210618010638.98941-3-matthew.brost@intel.com
Diffstat (limited to 'drivers/gpu/drm/i915')
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_engine_cs.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/intel_execlists_submission.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/gt/uc/intel_guc_submission.c | 2 | ||||
| -rw-r--r-- | 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 62a28c3c44a8..506b8f702a7f 100644 --- a/drivers/gpu/drm/i915/gt/intel_engine_cs.c +++ b/drivers/gpu/drm/i915/gt/intel_engine_cs.c @@ -1259,7 +1259,7 @@ 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, |