diff --git a/drivers/gpu/drm/nouveau/nouveau_backlight.c b/drivers/gpu/drm/nouveau/nouveau_backlight.c
index 7266902..d33e94a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_backlight.c
+++ b/drivers/gpu/drm/nouveau/nouveau_backlight.c
@@ -181,9 +181,9 @@
 	struct backlight_device *bd;
 	const struct backlight_ops *ops;
 
-	nv_encoder = find_encoder(connector, OUTPUT_LVDS);
+	nv_encoder = find_encoder(connector, DCB_OUTPUT_LVDS);
 	if (!nv_encoder) {
-		nv_encoder = find_encoder(connector, OUTPUT_DP);
+		nv_encoder = find_encoder(connector, DCB_OUTPUT_DP);
 		if (!nv_encoder)
 			return -ENODEV;
 	}