From 339d9de3518f146a0b0ad6a77f30c2cff70624e1 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Martin=20Gr=C3=A4=C3=9Flin?= <mgraesslin@kde.org>
Date: Fri, 17 Jul 2015 20:39:37 +0200
Subject: [PATCH] [backends/drm] Drm backend support syncsToVBlank

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

diff --git a/backends/drm/egl_gbm_backend.cpp b/backends/drm/egl_gbm_backend.cpp
index efc161bab1..0d7eebe9c8 100644
--- a/backends/drm/egl_gbm_backend.cpp
+++ b/backends/drm/egl_gbm_backend.cpp
@@ -43,6 +43,7 @@ EglGbmBackend::EglGbmBackend(DrmBackend *b)
     init();
     // Egl is always direct rendering
     setIsDirectRendering(true);
+    setSyncsToVBlank(true);
     connect(m_backend, &DrmBackend::outputAdded, this, &EglGbmBackend::createOutput);
     connect(m_backend, &DrmBackend::outputRemoved, this,
         [this] (DrmOutput *output) {