From 6cf060223ee63745be78fe0aec4f0d90c6579a31 Mon Sep 17 00:00:00 2001
From: Aleix Pol <aleixpol@kde.org>
Date: Tue, 28 Sep 2021 17:57:52 +0200
Subject: [PATCH] gbm: Do not create buffers when there is no display

---
 src/plugins/platforms/drm/gbm_dmabuf.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/plugins/platforms/drm/gbm_dmabuf.cpp b/src/plugins/platforms/drm/gbm_dmabuf.cpp
index fab7bda185..2bc53a6a00 100644
--- a/src/plugins/platforms/drm/gbm_dmabuf.cpp
+++ b/src/plugins/platforms/drm/gbm_dmabuf.cpp
@@ -58,6 +58,9 @@ KWin::GbmDmaBuf *GbmDmaBuf::createBuffer(const QSize &size, gbm_device *device)
     };
 
     EGLDisplay display = kwinApp()->platform()->sceneEglDisplay();
+    if (display == EGL_NO_DISPLAY) {
+        return nullptr;
+    }
     EGLImageKHR destinationImage = eglCreateImageKHR(display, EGL_NO_CONTEXT, EGL_LINUX_DMA_BUF_EXT, nullptr, importAttributes);
     if (destinationImage == EGL_NO_IMAGE_KHR) {
         close(fd);