drm/msm: Mark important kthreads as performance critical

These kthreads (particularly crtc_event and crtc_commit) play a major role in rendering frames to the display, so mark them as performance critical. Signed-off-by: Sultan Alsawaf <[email protected]>
fraform · Dec 19, 2022 · 109ba9e · 109ba9e
1 parent bca0062
commit 109ba9e
Showing 1 changed file with 3 additions and 3 deletions.
diff --git a/drivers/gpu/drm/msm/msm_drv.c b/drivers/gpu/drm/msm/msm_drv.c
@@ -589,7 +589,7 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 		kthread_init_worker(&priv->disp_thread[i].worker);
 		priv->disp_thread[i].dev = ddev;
 		priv->disp_thread[i].thread =
-			kthread_run(kthread_worker_fn,
+			kthread_run_perf_critical(kthread_worker_fn,
 				&priv->disp_thread[i].worker,
 				"crtc_commit:%d", priv->disp_thread[i].crtc_id);
 		ret = sched_setscheduler(priv->disp_thread[i].thread,
@@ -608,7 +608,7 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 		kthread_init_worker(&priv->event_thread[i].worker);
 		priv->event_thread[i].dev = ddev;
 		priv->event_thread[i].thread =
-			kthread_run(kthread_worker_fn,
+			kthread_run_perf_critical(kthread_worker_fn,
 				&priv->event_thread[i].worker,
 				"crtc_event:%d", priv->event_thread[i].crtc_id);
 		/**
@@ -655,7 +655,7 @@ static int msm_drm_init(struct device *dev, struct drm_driver *drv)
 	 * other important events.
 	 */
 	kthread_init_worker(&priv->pp_event_worker);
-	priv->pp_event_thread = kthread_run(kthread_worker_fn,
+	priv->pp_event_thread = kthread_run_perf_critical(kthread_worker_fn,
 			&priv->pp_event_worker, "pp_event");
 
 	ret = sched_setscheduler(priv->pp_event_thread,