From d257850bd1815aae4d985fb0e24f8f10851c42da Mon Sep 17 00:00:00 2001
From: Xaver Hugl <xaver.hugl@gmail.com>
Date: Fri, 15 Oct 2021 00:27:06 +0200
Subject: [PATCH] platforms/drm: set draw buffer for gbm

---
 src/plugins/platforms/drm/egl_gbm_backend.cpp | 1 +
 1 file changed, 1 insertion(+)

diff --git a/src/plugins/platforms/drm/egl_gbm_backend.cpp b/src/plugins/platforms/drm/egl_gbm_backend.cpp
index 2bbbb034b5..ab332c6a9b 100644
--- a/src/plugins/platforms/drm/egl_gbm_backend.cpp
+++ b/src/plugins/platforms/drm/egl_gbm_backend.cpp
@@ -365,6 +365,7 @@ bool EglGbmBackend::makeContextCurrent(const Output::RenderData &render) const
         qCCritical(KWIN_DRM) << "eglMakeCurrent failed:" << getEglErrorString();
         return false;
     }
+    glDrawBuffer(GL_BACK);
     return true;
 }