diff --git a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
index 2228689d9a5e6..5cbb71a866d54 100644
--- a/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
+++ b/drivers/gpu/drm/bridge/synopsys/dw-hdmi-i2s-audio.c
@@ -5,6 +5,10 @@
  * Copyright (c) 2017 Renesas Solutions Corp.
  * Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
  */
+
+#include <linux/dma-mapping.h>
+#include <linux/module.h>
+
 #include <drm/bridge/dw_hdmi.h>
 
 #include <sound/hdmi-codec.h>
diff --git a/drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c b/drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c
index 75490a3e0a2ab..790d499daa100 100644
--- a/drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c
+++ b/drivers/gpu/drm/rcar-du/rcar_dw_hdmi.c
@@ -7,6 +7,7 @@
  * Contact: Laurent Pinchart (laurent.pinchart@ideasonboard.com)
  */
 
+#include <linux/mod_devicetable.h>
 #include <linux/module.h>
 #include <linux/platform_device.h>
 
diff --git a/include/drm/bridge/dw_hdmi.h b/include/drm/bridge/dw_hdmi.h
index 9c56412bb2cf2..9f93895dde888 100644
--- a/include/drm/bridge/dw_hdmi.h
+++ b/include/drm/bridge/dw_hdmi.h
@@ -10,9 +10,11 @@
 #ifndef __DW_HDMI__
 #define __DW_HDMI__
 
-#include <drm/drmP.h>
-
+struct drm_connector;
+struct drm_display_mode;
+struct drm_encoder;
 struct dw_hdmi;
+struct platform_device;
 
 /**
  * DOC: Supported input formats and encodings