diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
index 4ed857b73d23..e293cf066221 100644
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/hdmi_tx_hw.c
@@ -5092,6 +5092,14 @@ static int hdmitx_tmds_rxsense(void)
 	struct hdmitx_dev *hdev = get_hdmitx_device();
 
 	switch (hdev->chip_type) {
+	case MESON_CPU_ID_G12A:
+	case MESON_CPU_ID_G12B:
+		hd_set_reg_bits(P_HHI_HDMI_PHY_CNTL0, 1, 16, 1);
+		hd_set_reg_bits(P_HHI_HDMI_PHY_CNTL3, 1, 23, 1);
+		hd_set_reg_bits(P_HHI_HDMI_PHY_CNTL3, 0, 24, 1);
+		hd_set_reg_bits(P_HHI_HDMI_PHY_CNTL3, 7, 20, 3);
+		ret = hd_read_reg(P_HHI_HDMI_PHY_CNTL2) & 0x1;
+		break;
 	case MESON_CPU_ID_GXBB:
 		curr0 = hd_read_reg(P_HHI_HDMI_PHY_CNTL0);
 		curr3 = hd_read_reg(P_HHI_HDMI_PHY_CNTL3);