diff --git a/drivers/gpu/drm/bridge/maxim-max96745.c b/drivers/gpu/drm/bridge/maxim-max96745.c
index 1d81a3818a0c..c12af714f58a 100644
--- a/drivers/gpu/drm/bridge/maxim-max96745.c
+++ b/drivers/gpu/drm/bridge/maxim-max96745.c
@@ -2,7 +2,7 @@
 /*
  * Maxim MAX96745 GMSL2 Serializer with eDP1.4a/DP1.4 Input
  *
- * Copyright (c) 2022 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2022 Rockchip Electronics Co., Ltd.
  */
 
 #include <drm/drm_atomic_helper.h>
diff --git a/drivers/gpu/drm/bridge/maxim-max96755f.c b/drivers/gpu/drm/bridge/maxim-max96755f.c
index 7d9b1d9413e2..82f92419ce9e 100644
--- a/drivers/gpu/drm/bridge/maxim-max96755f.c
+++ b/drivers/gpu/drm/bridge/maxim-max96755f.c
@@ -2,7 +2,7 @@
 /*
  * Maxim max96755f GMSL2 Serializer with MIPI-DSI Input
  *
- * Copyright (c) 2022 Rockchip Electronics Co. Ltd.
+ * Copyright (c) 2022 Rockchip Electronics Co., Ltd.
  */
 
 #include <drm/drm_atomic_helper.h>
diff --git a/drivers/gpu/drm/bridge/rohm-bu18rl82.c b/drivers/gpu/drm/bridge/rohm-bu18rl82.c
index e862cea6eae8..2bf9184fa7cc 100644
--- a/drivers/gpu/drm/bridge/rohm-bu18rl82.c
+++ b/drivers/gpu/drm/bridge/rohm-bu18rl82.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright (C) Rockchip Electronics Co.Ltd
+ * Copyright (C) Rockchip Electronics Co., Ltd.
  * Author:
  *      Guochun Huang <hero.huang@rock-chips.com>
  */
diff --git a/drivers/gpu/drm/bridge/rohm-bu18tl82.c b/drivers/gpu/drm/bridge/rohm-bu18tl82.c
index 6d31c4352e0e..e1403d929180 100644
--- a/drivers/gpu/drm/bridge/rohm-bu18tl82.c
+++ b/drivers/gpu/drm/bridge/rohm-bu18tl82.c
@@ -1,6 +1,6 @@
 // SPDX-License-Identifier: GPL-2.0+
 /*
- * Copyright (C) Rockchip Electronics Co.Ltd
+ * Copyright (C) Rockchip Electronics Co., Ltd.
  * Author:
  *      Guochun Huang <hero.huang@rock-chips.com>
  */