diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
index adee89b4453d..74cb06099955 100644
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hdmi_tx_main.c
@@ -84,7 +84,9 @@ static struct vinfo_s *hdmitx_get_current_vinfo(void);
 static DEFINE_MUTEX(setclk_mutex);
 static DEFINE_MUTEX(getedid_mutex);
 
-static struct hdmitx_dev hdmitx_device;
+static struct hdmitx_dev hdmitx_device = {
+	.frac_rate_policy = 1,
+};
 
 struct vout_device_s hdmitx_vdev = {
 	.dv_info = &(hdmitx_device.RXCap.dv_info),