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 f388ab35f5de..13e8a5d94b51 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
@@ -1380,16 +1380,12 @@ static void hdmitx_set_drm_pkt(struct master_display_info_s *data)
 	static unsigned char DRM_DB[26] = {0x0};
 
 	hdmi_debug();
-	if (data)
-		memcpy(&drm_config_data, data,
-		       sizeof(struct master_display_info_s));
-	else
-		memset(&drm_config_data, 0,
-		       sizeof(struct master_display_info_s));
+	memcpy(&drm_config_data, data, sizeof(struct master_display_info_s));
+
 	if (hsty_drm_config_loc > 7)
 		hsty_drm_config_loc = 0;
 	memcpy(&hsty_drm_config_data[hsty_drm_config_loc++],
-	       &drm_config_data, sizeof(struct master_display_info_s));
+	       data, sizeof(struct master_display_info_s));
 	if (hsty_drm_config_num < 8)
 		hsty_drm_config_num++;
 	else
@@ -1605,12 +1601,7 @@ static void hdmitx_set_vsif_pkt(enum eotf_type type,
 	static uint8_t ltmode = -1;
 
 	hdmi_debug();
-	if (data == NULL)
-		memcpy(&vsif_debug_info.data, &para,
-		       sizeof(struct dv_vsif_para));
-	else
-		memcpy(&vsif_debug_info.data, data,
-		       sizeof(struct dv_vsif_para));
+	memcpy(&vsif_debug_info.data, data, sizeof(struct dv_vsif_para));
 	vsif_debug_info.type = type;
 	vsif_debug_info.tunnel_mode = tunnel_mode;
 	vsif_debug_info.signal_sdr = signal_sdr;
@@ -1855,16 +1846,11 @@ static void hdmitx_set_hdr10plus_pkt(unsigned int flag,
 
 	hdmi_debug();
 
-	if (data)
-		memcpy(&hdr10p_config_data, data,
-		       sizeof(struct hdr10plus_para));
-	else
-		memset(&hdr10p_config_data, 0,
-		       sizeof(struct hdr10plus_para));
+	memcpy(&hdr10p_config_data, data, sizeof(struct hdr10plus_para));
 	if (hsty_hdr10p_config_loc > 7)
 		hsty_hdr10p_config_loc = 0;
 	memcpy(&hsty_hdr10p_config_data[hsty_hdr10p_config_loc++],
-	       &hdr10p_config_data, sizeof(struct hdr10plus_para));
+	       data, sizeof(struct hdr10plus_para));
 	if (hsty_hdr10p_config_num < 8)
 		hsty_hdr10p_config_num++;
 	else
@@ -1958,6 +1944,18 @@ static void hdmitx_set_emp_pkt(unsigned char *data, unsigned int type,
 
 	hdmi_debug();
 
+	emp_config_data.type = type;
+	emp_config_data.size = size;
+	if (size <= 128)
+		memcpy(emp_config_data.data, data, size);
+	else
+		memcpy(emp_config_data.data, data, 128);
+
+	if (hdmitx_device.chip_type < MESON_CPU_ID_G12A) {
+		pr_info("this chip doesn't support emp function\n");
+		return;
+	}
+
 	if (!data) {
 		pr_info("the data is null\n");
 		return;