--- zzzz-none-000/linux-3.10.107/include/video/of_display_timing.h	2017-06-27 09:49:32.000000000 +0000
+++ scorpion-7490-727/linux-3.10.107/include/video/of_display_timing.h	2021-02-04 17:41:59.000000000 +0000
@@ -10,11 +10,30 @@
 #define __LINUX_OF_DISPLAY_TIMING_H
 
 struct device_node;
+struct display_timing;
 struct display_timings;
 
 #define OF_USE_NATIVE_MODE -1
 
+#ifdef CONFIG_OF
+int of_get_display_timing(struct device_node *np, const char *name,
+		struct display_timing *dt);
 struct display_timings *of_get_display_timings(struct device_node *np);
 int of_display_timings_exist(struct device_node *np);
+#else
+static inline int of_get_display_timing(struct device_node *np, const char *name,
+		struct display_timing *dt)
+{
+	return -ENOSYS;
+}
+static inline struct display_timings *of_get_display_timings(struct device_node *np)
+{
+	return NULL;
+}
+static inline int of_display_timings_exist(struct device_node *np)
+{
+	return -ENOSYS;
+}
+#endif
 
 #endif