[PATCH 3/5] drm/xe: Add xe_sched_add_msg_locked helper

[Matthew Brost <matthew.brost@intel.com>]

Will help by allowing callers to own message locking.

Signed-off-by: Matthew Brost <matthew.brost@intel.com>
---
 drivers/gpu/drm/xe/xe_gpu_scheduler.c | 9 ++++++++-
 drivers/gpu/drm/xe/xe_gpu_scheduler.h | 2 ++
 2 files changed, 10 insertions(+), 1 deletion(-)

diff --git a/drivers/gpu/drm/xe/xe_gpu_scheduler.c b/drivers/gpu/drm/xe/xe_gpu_scheduler.c
index 1c703e8423de..c518d1d16d82 100644
--- a/drivers/gpu/drm/xe/xe_gpu_scheduler.c
+++ b/drivers/gpu/drm/xe/xe_gpu_scheduler.c
@@ -94,8 +94,15 @@ void xe_sched_add_msg(struct xe_gpu_scheduler *sched,
 		      struct xe_sched_msg *msg)
 {
 	xe_sched_msg_lock(sched);
-	list_add_tail(&msg->link, &sched->msgs);
+	xe_sched_add_msg_locked(sched, msg);
 	xe_sched_msg_unlock(sched);
+}
 
+void xe_sched_add_msg_locked(struct xe_gpu_scheduler *sched,
+			     struct xe_sched_msg *msg)
+{
+	lockdep_assert_held(&sched->base.job_list_lock);
+
+	list_add_tail(&msg->link, &sched->msgs);
 	xe_sched_process_msg_queue(sched);
 }
diff --git a/drivers/gpu/drm/xe/xe_gpu_scheduler.h b/drivers/gpu/drm/xe/xe_gpu_scheduler.h
index a54038fb3094..cee9c6809fc0 100644
--- a/drivers/gpu/drm/xe/xe_gpu_scheduler.h
+++ b/drivers/gpu/drm/xe/xe_gpu_scheduler.h
@@ -24,6 +24,8 @@ void xe_sched_submission_stop(struct xe_gpu_scheduler *sched);
 
 void xe_sched_add_msg(struct xe_gpu_scheduler *sched,
 		      struct xe_sched_msg *msg);
+void xe_sched_add_msg_locked(struct xe_gpu_scheduler *sched,
+			     struct xe_sched_msg *msg);
 
 static inline void xe_sched_msg_lock(struct xe_gpu_scheduler *sched)
 {
-- 
2.34.1