From 83275c3f3118ef0573d6cd36eab4b8873dec6f69 Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Mon, 24 Jan 2022 09:44:38 +0100
Subject: [PATCH] backends/drm: add warning if no matching mode can be found

---
 src/backends/drm/drm_output.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/backends/drm/drm_output.cpp b/src/backends/drm/drm_output.cpp
index 38bcf2059f..725ab7a8b7 100644
--- a/src/backends/drm/drm_output.cpp
+++ b/src/backends/drm/drm_output.cpp
@@ -420,6 +420,7 @@ bool DrmOutput::queueChanges(const WaylandOutputConfig &config)
         }
     }
     if (index == -1) {
+        qCWarning(KWIN_DRM).nospace() << "Could not find mode " << props->modeSize << "@" << props->refreshRate << " for output " << this;
         return false;
     }
     m_pipeline->pending.modeIndex = index;