diff --git a/drivers/usb/typec/altmodes/displayport.c b/drivers/usb/typec/altmodes/displayport.c
index d617663b981d..7b20073d7fc0 100644
--- a/drivers/usb/typec/altmodes/displayport.c
+++ b/drivers/usb/typec/altmodes/displayport.c
@@ -13,6 +13,7 @@
 #include <linux/module.h>
 #include <linux/usb/pd_vdo.h>
 #include <linux/usb/typec_dp.h>
+#include "displayport.h"
 
 #define DP_HEADER(_dp, cmd)		(VDO((_dp)->alt->svid, 1, cmd) | \
 					 VDO_OPOS(USB_TYPEC_DP_MODE))