diff --git a/drivers/video/omap2/dss/dpi.c b/drivers/video/omap2/dss/dpi.c
index d73a549050e4..56748cf8760e 100644
--- a/drivers/video/omap2/dss/dpi.c
+++ b/drivers/video/omap2/dss/dpi.c
@@ -29,6 +29,7 @@
 #include <linux/errno.h>
 #include <linux/platform_device.h>
 #include <linux/regulator/consumer.h>
+#include <linux/string.h>
 
 #include <video/omapdss.h>
 
diff --git a/drivers/video/omap2/dss/sdi.c b/drivers/video/omap2/dss/sdi.c
index 86f096aaf4fe..7760851f6e5d 100644
--- a/drivers/video/omap2/dss/sdi.c
+++ b/drivers/video/omap2/dss/sdi.c
@@ -25,6 +25,7 @@
 #include <linux/regulator/consumer.h>
 #include <linux/export.h>
 #include <linux/platform_device.h>
+#include <linux/string.h>
 
 #include <video/omapdss.h>
 #include "dss.h"