From e1bf133de7dd492376ca01c77ff77fbc0932b948 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Sat, 20 Jun 2020 02:42:02 +0200
Subject: [PATCH] Fix support for systems with age disabled

If no damage is supported, repaint all the output rather than nothing.
---
 plugins/platforms/drm/egl_gbm_backend.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/plugins/platforms/drm/egl_gbm_backend.cpp b/plugins/platforms/drm/egl_gbm_backend.cpp
index f89ff0522e..c65ff299f5 100644
--- a/plugins/platforms/drm/egl_gbm_backend.cpp
+++ b/plugins/platforms/drm/egl_gbm_backend.cpp
@@ -504,7 +504,7 @@ QRegion EglGbmBackend::prepareRenderingForScreen(int screenId)
 
         return region;
     }
-    return QRegion();
+    return output.output->geometry();
 }
 
 void EglGbmBackend::endRenderingFrame(const QRegion &renderedRegion, const QRegion &damagedRegion)