diff --git a/drivers/acpi/internal.h b/drivers/acpi/internal.h
index d93628c65661f16107e9a6c7e5a3e005a87233e3..a637497217f05854f2dccf6be284fec6884fd597 100644
--- a/drivers/acpi/internal.h
+++ b/drivers/acpi/internal.h
@@ -181,13 +181,6 @@ static inline int suspend_nvs_save(void) { return 0; }
 static inline void suspend_nvs_restore(void) {}
 #endif
 
-/*--------------------------------------------------------------------------
-					Video
-  -------------------------------------------------------------------------- */
-#if defined(CONFIG_ACPI_VIDEO) || defined(CONFIG_ACPI_VIDEO_MODULE)
-bool acpi_osi_is_win8(void);
-#endif
-
 /*--------------------------------------------------------------------------
 				Device properties
   -------------------------------------------------------------------------- */
diff --git a/drivers/acpi/osl.c b/drivers/acpi/osl.c
index 7ccba395c9ddbeb7a6725b336d69d01abd4b82b1..b906deb10df52d011bb361547753bc0501a95cb9 100644
--- a/drivers/acpi/osl.c
+++ b/drivers/acpi/osl.c
@@ -1684,6 +1684,12 @@ int acpi_resources_are_enforced(void)
 }
 EXPORT_SYMBOL(acpi_resources_are_enforced);
 
+bool acpi_osi_is_win8(void)
+{
+	return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;
+}
+EXPORT_SYMBOL(acpi_osi_is_win8);
+
 /*
  * Deallocate the memory for a spinlock.
  */
diff --git a/drivers/acpi/video_detect.c b/drivers/acpi/video_detect.c
index 5076138156fdf69643b841d78a62e5595664a0c2..b2270ca21538e40c776fb0088b231a593eefc192 100644
--- a/drivers/acpi/video_detect.c
+++ b/drivers/acpi/video_detect.c
@@ -178,12 +178,6 @@ static void acpi_video_caps_check(void)
 		acpi_video_get_capabilities(NULL);
 }
 
-bool acpi_osi_is_win8(void)
-{
-	return acpi_gbl_osi_data >= ACPI_OSI_WIN_8;
-}
-EXPORT_SYMBOL(acpi_osi_is_win8);
-
 /* Promote the vendor interface instead of the generic video module.
  * This function allow DMI blacklists to be implemented by externals
  * platform drivers instead of putting a big blacklist in video_detect.c
diff --git a/include/linux/acpi.h b/include/linux/acpi.h
index 7cb3b0bc4a7efa609e3831d1846f79bea816479d..913a1c19818a3818b8859af279600ea9adb8e1f0 100644
--- a/include/linux/acpi.h
+++ b/include/linux/acpi.h
@@ -266,6 +266,7 @@ static inline int acpi_video_backlight_support(void)
 extern int acpi_blacklisted(void);
 extern void acpi_dmi_osi_linux(int enable, const struct dmi_system_id *d);
 extern void acpi_osi_setup(char *str);
+extern bool acpi_osi_is_win8(void);
 
 #ifdef CONFIG_ACPI_NUMA
 int acpi_get_node(acpi_handle handle);