From 074bb195bce1c86b66e5cd809d6663039d3abf42 Mon Sep 17 00:00:00 2001 From: Matthew Brost Date: Thu, 17 Jun 2021 18:06:32 -0700 Subject: 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 Reviewed-by: Jason Ekstrand Signed-off-by: Matt Roper Link: https://patchwork.freedesktop.org/patch/msgid/20210618010638.98941-3-matthew.brost@intel.com --- drivers/gpu/drm/i915/i915_scheduler.h | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'drivers/gpu/drm/i915/i915_scheduler.h') 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, -- cgit