Merge branch 'Plasma/5.18'

plugins/scenes/opengl/scene_opengl.cpp

@@ -800,6 +800,7 @@ bool SceneOpenGL::viewportLimitsMatched(const QSize &size) const {
     if (limit[0] < size.width() || limit[1] < size.height()) {
         auto compositor = static_cast<X11Compositor*>(Compositor::self());
         QMetaObject::invokeMethod(compositor, [compositor]() {
+            qCDebug(KWIN_OPENGL) << "Suspending compositing because viewport limits are not met";
             compositor->suspend(X11Compositor::AllReasonSuspend);
         }, Qt::QueuedConnection);
         return false;