diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi
index 04885738cf15..0f8f0772d6f3 100644
--- a/Documentation/ABI/testing/sysfs-platform-asus-wmi
+++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi
@@ -57,3 +57,12 @@ Description:
 			* 0 - default,
 			* 1 - overboost,
 			* 2 - silent
+
+What:		/sys/devices/platform/<platform>/dgpu_disable
+Date:		Aug 2022
+KernelVersion:	5.17
+Contact:	"Luke Jones" <luke@ljones.dev>
+Description:
+		Disable discrete GPU:
+			* 0 - Enable dGPU,
+			* 1 - Disable dGPU