drm/nvd0/disp: scaler updates, overscan compensation etc

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/nouveau_display.c b/drivers/gpu/drm/nouveau/nouveau_display.c
index 6ac6931..fdeb64a 100644
--- a/drivers/gpu/drm/nouveau/nouveau_display.c
+++ b/drivers/gpu/drm/nouveau/nouveau_display.c
@@ -161,9 +161,9 @@
 };
 
 static struct drm_prop_enum_list underscan[] = {
-	{ 2, UNDERSCAN_AUTO, "auto" },
-	{ 2, UNDERSCAN_OFF, "off" },
-	{ 2, UNDERSCAN_ON, "on" },
+	{ 6, UNDERSCAN_AUTO, "auto" },
+	{ 6, UNDERSCAN_OFF, "off" },
+	{ 6, UNDERSCAN_ON, "on" },
 	{}
 };