Support to get timing from pagefilp

Handle the timing from drmEvent when page flip finished.
The information can be used to optimize rendering timing.

Change-Id: I14612ca48a8fea5208aa74949d7543787e860c5f
Reviewed-by: Elvis Lee <kwangwoong.lee@lge.com>
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>

1 files changed, 4 insertions, 3 deletions

diff --git a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmseventreader.cpp b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmseventreader.cpp
index 67606f895f..a3ac9205a9 100644
--- a/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmseventreader.cpp
+++ b/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms_support/qeglfskmseventreader.cpp
@@ -39,6 +39,7 @@
 
 #include "qeglfskmseventreader_p.h"
 #include "qeglfskmsdevice_p.h"
+#include "qeglfskmsscreen_p.h"
 #include <QSocketNotifier>
 #include <QCoreApplication>
 #include <QLoggingCategory>
@@ -50,12 +51,12 @@ Q_DECLARE_LOGGING_CATEGORY(qLcEglfsKmsDebug)
 static void pageFlipHandler(int fd, unsigned int sequence, unsigned int tv_sec, unsigned int tv_usec, void *user_data)
 {
     Q_UNUSED(fd);
-    Q_UNUSED(sequence);
-    Q_UNUSED(tv_sec);
-    Q_UNUSED(tv_usec);
 
     QEglFSKmsEventReaderThread *t = static_cast<QEglFSKmsEventReaderThread *>(QThread::currentThread());
     t->eventHost()->handlePageFlipCompleted(user_data);
+
+    QEglFSKmsScreen *screen = static_cast<QEglFSKmsScreen *>(user_data);
+    screen->pageFlipped(sequence, tv_sec, tv_usec);
 }
 
 class RegisterWaitFlipEvent : public QEvent