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 7b7ae1b8cf93..bdc85a1a39e7 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
@@ -6050,11 +6050,7 @@ static void config_hdmi20_tx(enum hdmi_vic vic,
 		hdmitx_rd_reg(HDMITX_DWC_FC_VSYNCINWIDTH));
 
 	hdmitx_wr_reg(HDMITX_DWC_MC_CLKDIS, 0);
-	hd_write_reg(P_ENCP_VIDEO_EN, 0xff);
-
-	hdmitx_set_reg_bits(HDMITX_DWC_FC_INVIDCONF, 0, 3, 1);
-	mdelay(1);
-	hdmitx_set_reg_bits(HDMITX_DWC_FC_INVIDCONF, 1, 3, 1);
+	hd_write_reg(P_ENCP_VIDEO_EN, 1); /* enable it finially */
 } /* config_hdmi20_tx */
 
 static void hdmitx_csc_config(unsigned char input_color_format,