From dd94c448e94b1033b90749d77c5dc587c3b8f9f4 Mon Sep 17 00:00:00 2001
From: Daniel van Vugt <daniel.van.vugt@canonical.com>
Date: Tue, 5 Apr 2022 17:06:21 +0800
Subject: [PATCH 2/2] kms/device: Disable modifiers when
 !DRM_CAP_ADDFB2_MODIFIERS

Fixes: https://gitlab.gnome.org/GNOME/mutter/-/issues/2210
Part-of: <https://gitlab.gnome.org/GNOME/mutter/-/merge_requests/2359>
---
 src/backends/native/meta-kms-device.c | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/backends/native/meta-kms-device.c b/src/backends/native/meta-kms-device.c
index bef1e2065..7c84f14f5 100644
--- a/src/backends/native/meta-kms-device.c
+++ b/src/backends/native/meta-kms-device.c
@@ -490,6 +490,9 @@ meta_kms_device_new (MetaKms            *kms,
   free (device->path);
   device->path = data.out_path;
 
+  if (!device->caps.addfb2_modifiers)
+    device->flags |= META_KMS_DEVICE_FLAG_DISABLE_MODIFIERS;
+
   return device;
 }
 
-- 
2.45.2