1 files changed, 78 insertions, 0 deletions
diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp
new file mode 100644
index 0000000000..da1b577801
--- /dev/null
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_egldevice/qeglfskmsegldevicescreen.cpp
@@ -0,0 +1,78 @@
+/****************************************************************************
+**
+** Copyright (C) 2016 Pelagicore AG
+** Contact: https://www.qt.io/licensing/
+**
+** This file is part of the plugins of the Qt Toolkit.
+**
+** $QT_BEGIN_LICENSE:LGPL$
+** Commercial License Usage
+** Licensees holding valid commercial Qt licenses may use this file in
+** accordance with the commercial license agreement provided with the
+** Software or, alternatively, in accordance with the terms contained in
+** a written agreement between you and The Qt Company. For licensing terms
+** and conditions see https://www.qt.io/terms-conditions. For further
+** information use the contact form at https://www.qt.io/contact-us.
+**
+** GNU Lesser General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU Lesser
+** General Public License version 3 as published by the Free Software
+** Foundation and appearing in the file LICENSE.LGPL3 included in the
+** packaging of this file. Please review the following information to
+** ensure the GNU Lesser General Public License version 3 requirements
+** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.
+**
+** GNU General Public License Usage
+** Alternatively, this file may be used under the terms of the GNU
+** General Public License version 2.0 or (at your option) the GNU General
+** Public license version 3 or any later version approved by the KDE Free
+** Qt Foundation. The licenses are as published by the Free Software
+** Foundation and appearing in the file LICENSE.GPL2 and LICENSE.GPL3
+** included in the packaging of this file. Please review the following
+** information to ensure the GNU General Public License requirements will
+** be met: https://www.gnu.org/licenses/gpl-2.0.html and
+** https://www.gnu.org/licenses/gpl-3.0.html.
+**
+** $QT_END_LICENSE$
+**
+****************************************************************************/
+
+#include "qeglfskmsegldevicescreen.h"
+#include "qeglfskmsegldevice.h"
+
+QEglFSKmsEglDeviceScreen::QEglFSKmsEglDeviceScreen(QEglFSKmsIntegration *integration, QEglFSKmsDevice *device, QEglFSKmsOutput output, QPoint position)
+    : QEglFSKmsScreen(integration, device, output, position)
+{
+}
+
+void QEglFSKmsEglDeviceScreen::waitForFlip()
+{
+    if (!output().mode_set) {
+        output().mode_set = true;
+
+        drmModeCrtcPtr currentMode = drmModeGetCrtc(device()->fd(), output().crtc_id);
+        const bool alreadySet = currentMode
+            && currentMode->width == output().modes[output().mode].hdisplay
+            && currentMode->height == output().modes[output().mode].vdisplay;
+        if (currentMode)
+            drmModeFreeCrtc(currentMode);
+        if (alreadySet) {
+            // Maybe detecting the DPMS mode could help here, but there are no properties
+            // exposed on the connector apparently. So rely on an env var for now.
+            static bool alwaysDoSet = qEnvironmentVariableIntValue("QT_QPA_EGLFS_ALWAYS_SET_MODE");
+            if (!alwaysDoSet) {
+                qCDebug(qLcEglfsKmsDebug, "Mode already set");
+                return;
+            }
+        }
+
+        qCDebug(qLcEglfsKmsDebug, "Setting mode");
+        int ret = drmModeSetCrtc(device()->fd(), output().crtc_id,
+                                 -1, 0, 0,
+                                 &output().connector_id, 1,
+                                 &output().modes[output().mode]);
+        if (ret)
+            qFatal("drmModeSetCrtc failed");
+    }
+
+}