diff --git a/drivers/gpu/drm/drm_atomic_helper.c b/drivers/gpu/drm/drm_atomic_helper.c
index 9d7e4da6c292..3f13fa9a9e24 100644
--- a/drivers/gpu/drm/drm_atomic_helper.c
+++ b/drivers/gpu/drm/drm_atomic_helper.c
@@ -26,6 +26,7 @@
  */
 
 #include <linux/dma-fence.h>
+#include <linux/ktime.h>
 
 #include <drm/drm_atomic.h>
 #include <drm/drm_atomic_helper.h>
@@ -1570,9 +1571,23 @@ static void commit_tail(struct drm_atomic_state *old_state)
 {
 	struct drm_device *dev = old_state->dev;
 	const struct drm_mode_config_helper_funcs *funcs;
+	ktime_t start;
+	s64 commit_time_ms;
 
 	funcs = dev->mode_config.helper_private;
 
+	/*
+	 * We're measuring the _entire_ commit, so the time will vary depending
+	 * on how many fences and objects are involved. For the purposes of self
+	 * refresh, this is desirable since it'll give us an idea of how
+	 * congested things are. This will inform our decision on how often we
+	 * should enter self refresh after idle.
+	 *
+	 * These times will be averaged out in the self refresh helpers to avoid
+	 * overreacting over one outlier frame
+	 */
+	start = ktime_get();
+
 	drm_atomic_helper_wait_for_fences(dev, old_state, false);
 
 	drm_atomic_helper_wait_for_dependencies(old_state);
@@ -1582,6 +1597,11 @@ static void commit_tail(struct drm_atomic_state *old_state)
 	else
 		drm_atomic_helper_commit_tail(old_state);
 
+	commit_time_ms = ktime_ms_delta(ktime_get(), start);
+	if (commit_time_ms > 0)
+		drm_self_refresh_helper_update_avg_times(old_state,
+						 (unsigned long)commit_time_ms);
+
 	drm_atomic_helper_commit_cleanup_done(old_state);
 
 	drm_atomic_state_put(old_state);
diff --git a/drivers/gpu/drm/drm_self_refresh_helper.c b/drivers/gpu/drm/drm_self_refresh_helper.c
index 9095cebf2147..522430f8eef1 100644
--- a/drivers/gpu/drm/drm_self_refresh_helper.c
+++ b/drivers/gpu/drm/drm_self_refresh_helper.c
@@ -5,6 +5,7 @@
  * Authors:
  * Sean Paul <seanpaul@chromium.org>
  */
+#include <linux/average.h>
 #include <linux/bitops.h>
 #include <linux/slab.h>
 #include <linux/workqueue.h>
@@ -50,10 +51,16 @@
  * atomic_check when &drm_crtc_state.self_refresh_active is true.
  */
 
+DECLARE_EWMA(psr_time, 4, 4)
+
 struct drm_self_refresh_data {
 	struct drm_crtc *crtc;
 	struct delayed_work entry_work;
 	unsigned int entry_delay_ms;
+
+	struct mutex avg_mutex;
+	struct ewma_psr_time entry_avg_ms;
+	struct ewma_psr_time exit_avg_ms;
 };
 
 static void drm_self_refresh_helper_entry_work(struct work_struct *work)
@@ -121,6 +128,59 @@ static void drm_self_refresh_helper_entry_work(struct work_struct *work)
 	drm_modeset_acquire_fini(&ctx);
 }
 
+/**
+ * drm_self_refresh_helper_update_avg_times - Updates a crtc's SR time averages
+ * @state: the state which has just been applied to hardware
+ * @commit_time_ms: the amount of time in ms that this commit took to complete
+ *
+ * Called after &drm_mode_config_funcs.atomic_commit_tail, this function will
+ * update the average entry/exit self refresh times on self refresh transitions.
+ * These averages will be used when calculating how long to delay before
+ * entering self refresh mode after activity.
+ */
+void drm_self_refresh_helper_update_avg_times(struct drm_atomic_state *state,
+					      unsigned int commit_time_ms)
+{
+	struct drm_crtc *crtc;
+	struct drm_crtc_state *old_crtc_state, *new_crtc_state;
+	int i;
+
+	for_each_oldnew_crtc_in_state(state, crtc, old_crtc_state,
+				      new_crtc_state, i) {
+		struct drm_self_refresh_data *sr_data = crtc->self_refresh_data;
+		struct ewma_psr_time *time;
+
+		if (old_crtc_state->self_refresh_active ==
+		    new_crtc_state->self_refresh_active)
+			continue;
+
+		if (new_crtc_state->self_refresh_active)
+			time = &sr_data->entry_avg_ms;
+		else
+			time = &sr_data->exit_avg_ms;
+
+		/*
+		 * It might be nice if we could rely on &drm_crtc.mutex to
+		 * protect &drm_self_refresh_data.exit_avg_ms, as we do with
+		 * &drm_self_refresh_data.entry_avg_ms, but there are a few
+		 * reasons why a separate lock is a better choice:
+		 * - We can't rely on &drm_crtc.mutex being held here if we're
+		 *   doing a nonblocking commit
+		 * - We can't grab &drm_crtc.mutex here since drm_modeset_lock()
+		 *   doesn't tell us whether the lock was already held in the
+		 *   acquire context (it eats -EALREADY), so we can't tell if we
+		 *   should drop it or not
+		 * - We don't need such a heavy-handed lock for what we're
+		 *   trying to do here, commit ordering doesn't matter, so a
+		 *   point-of-use lock will be less contentious
+		 */
+		mutex_lock(&sr_data->avg_mutex);
+		ewma_psr_time_add(time, commit_time_ms);
+		mutex_unlock(&sr_data->avg_mutex);
+	}
+}
+EXPORT_SYMBOL(drm_self_refresh_helper_update_avg_times);
+
 /**
  * drm_self_refresh_helper_alter_state - Alters the atomic state for SR exit
  * @state: the state currently being checked
@@ -152,6 +212,7 @@ void drm_self_refresh_helper_alter_state(struct drm_atomic_state *state)
 
 	for_each_new_crtc_in_state(state, crtc, crtc_state, i) {
 		struct drm_self_refresh_data *sr_data;
+		unsigned int delay;
 
 		/* Don't trigger the entry timer when we're already in SR */
 		if (crtc_state->self_refresh_active)
@@ -161,8 +222,13 @@ void drm_self_refresh_helper_alter_state(struct drm_atomic_state *state)
 		if (!sr_data)
 			continue;
 
+		mutex_lock(&sr_data->avg_mutex);
+		delay = ewma_psr_time_read(&sr_data->entry_avg_ms) +
+			ewma_psr_time_read(&sr_data->exit_avg_ms) +
+			sr_data->entry_delay_ms;
+		mutex_unlock(&sr_data->avg_mutex);
 		mod_delayed_work(system_wq, &sr_data->entry_work,
-				 msecs_to_jiffies(sr_data->entry_delay_ms));
+				 msecs_to_jiffies(delay));
 	}
 }
 EXPORT_SYMBOL(drm_self_refresh_helper_alter_state);
@@ -191,6 +257,9 @@ int drm_self_refresh_helper_init(struct drm_crtc *crtc,
 			  drm_self_refresh_helper_entry_work);
 	sr_data->entry_delay_ms = entry_delay_ms;
 	sr_data->crtc = crtc;
+	mutex_init(&sr_data->avg_mutex);
+	ewma_psr_time_init(&sr_data->entry_avg_ms);
+	ewma_psr_time_init(&sr_data->exit_avg_ms);
 
 	crtc->self_refresh_data = sr_data;
 	return 0;
diff --git a/include/drm/drm_self_refresh_helper.h b/include/drm/drm_self_refresh_helper.h
index 397a583ccca7..ff777690c564 100644
--- a/include/drm/drm_self_refresh_helper.h
+++ b/include/drm/drm_self_refresh_helper.h
@@ -12,6 +12,8 @@ struct drm_atomic_state;
 struct drm_crtc;
 
 void drm_self_refresh_helper_alter_state(struct drm_atomic_state *state);
+void drm_self_refresh_helper_update_avg_times(struct drm_atomic_state *state,
+					      unsigned int commit_time_ms);
 
 int drm_self_refresh_helper_init(struct drm_crtc *crtc,
 				 unsigned int entry_delay_ms);
