From 1a28e43aa70ea394d9dae6bef7423a753dae454a Mon Sep 17 00:00:00 2001
From: Victoria Brekenfeld <victoria@system76.com>
Date: Fri, 7 Jun 2024 15:44:51 +0200
Subject: [PATCH] kms: Fix broken mirroring with different scales but same mode

---
 src/backend/kms/surface/mod.rs | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/src/backend/kms/surface/mod.rs b/src/backend/kms/surface/mod.rs
index 08d06e5c..ff8c043e 100644
--- a/src/backend/kms/surface/mod.rs
+++ b/src/backend/kms/surface/mod.rs
@@ -914,7 +914,8 @@ impl SurfaceThreadState {
                 self.output
                     .current_mode()
                     .is_some_and(|mode| mode != mirror_mode)
-            })
+            }) || mirrored_output.current_scale().fractional_scale()
+                != self.output.current_scale().fractional_scale()
         }) {
             let mirroring_state = {
                 let entry = self.mirroring_textures.entry(self.target_node);