diff --git a/drivers/media/i2c/rk628/rk628_bt1120_v4l2.c b/drivers/media/i2c/rk628/rk628_bt1120_v4l2.c
index e3053539e4e0..8dbef2e82de0 100644
--- a/drivers/media/i2c/rk628/rk628_bt1120_v4l2.c
+++ b/drivers/media/i2c/rk628/rk628_bt1120_v4l2.c
@@ -1496,9 +1496,7 @@ static int rk628_bt1120_g_frame_interval(struct v4l2_subdev *sd,
 	struct rk628_bt1120 *bt1120 = to_bt1120(sd);
 	const struct rk628_bt1120_mode *mode = bt1120->cur_mode;
 
-	mutex_lock(&bt1120->confctl_mutex);
 	fi->interval = mode->max_fps;
-	mutex_unlock(&bt1120->confctl_mutex);
 
 	return 0;
 }
diff --git a/drivers/media/i2c/rk628/rk628_csi_v4l2.c b/drivers/media/i2c/rk628/rk628_csi_v4l2.c
index 75c0d5256087..eb1c9b85116b 100644
--- a/drivers/media/i2c/rk628/rk628_csi_v4l2.c
+++ b/drivers/media/i2c/rk628/rk628_csi_v4l2.c
@@ -2167,9 +2167,7 @@ static int rk628_csi_g_frame_interval(struct v4l2_subdev *sd,
 	struct rk628_csi *csi = to_csi(sd);
 	const struct rk628_csi_mode *mode = csi->cur_mode;
 
-	mutex_lock(&csi->confctl_mutex);
 	fi->interval = mode->max_fps;
-	mutex_unlock(&csi->confctl_mutex);
 
 	return 0;
 }