diff --git a/drivers/media/vout/lcd/lcd_clk/lcd_clk_utils.c b/drivers/media/vout/lcd/lcd_clk/lcd_clk_utils.c
index cb62a0e86..911a74f50 100644
--- a/drivers/media/vout/lcd/lcd_clk/lcd_clk_utils.c
+++ b/drivers/media/vout/lcd/lcd_clk/lcd_clk_utils.c
@@ -1683,45 +1683,16 @@ int lcd_clk_config_print_dft(struct aml_lcd_drv_s *pdrv, char *buf, int offset)
 {
 	struct lcd_clk_config_s *cconf = NULL;
 	struct lcd_pll_config_s *pll_config = NULL;
-	int i = 0;
+	int pll_num = 1, i = 0;
 	int n, len = 0;
 
 	cconf = get_lcd_clk_config(pdrv);
 	if (!cconf || !cconf->data)
 		return -1;
 
-	n = lcd_debug_info_len(len + offset);
-	len += snprintf((buf + len), n,
-		"[%d]: clk config:\n"
-		"  phy_clk:    %lldHz\n"
-		"  edp_div0:   %d\n"
-		"  edp_div1:   %d\n"
-		"  xd:         %d\n"
-		"  fout:       %uHz\n"
-		"  pll_mode:   0x%x\n"
-		"  pll_tcon_div_sel: %d\n"
-		"  vclk_sel:         %d\n",
-		pdrv->index, cconf->phy_clk,
-		edp_div0_table[cconf->edp_div0], edp_div1_table[cconf->edp_div1],
-		cconf->xd, cconf->fout, cconf->pll_mode,
-		cconf->pll_tcon_div_sel,
-		cconf->data->vclk_sel);
-	if (cconf->data->ss_support) {
-		n = lcd_debug_info_len(len + offset);
-		len += snprintf((buf + len), n,
-			"[%d]: clk config:\n"
-			"  ss_level:   %d\n"
-			"  ss_dep_sel: %d\n"
-			"  ss_str_m:   %d\n"
-			"  ss_ppm:     %d\n"
-			"  ss_freq:    %d\n"
-			"  ss_mode:    %d\n"
-			"  ss_en:      %d\n\n",
-			pdrv->index, cconf->ss_level,
-			cconf->ss_dep_sel, cconf->ss_str_m, cconf->ss_ppm,
-			cconf->ss_freq, cconf->ss_mode, cconf->ss_en);
-	}
-	for (i = 0; i < cconf->pll_conf_num; i++) {
+	if (cconf->pll_mode & LCD_PLL_MODE_DUAL_PLL)
+		pll_num = cconf->pll_conf_num;
+	for (i = 0; i < pll_num; i++) {
 		pll_config = &cconf->pll_config[i];
 		n = lcd_debug_info_len(len + offset);
 		len += snprintf((buf + len), n,
@@ -1748,6 +1719,37 @@ int lcd_clk_config_print_dft(struct aml_lcd_drv_s *pdrv, char *buf, int offset)
 			lcd_clk_div_table[pll_config->div_sel].name,
 			pll_config->div_sel, pll_config->pll_div_fout);
 	}
+
+	n = lcd_debug_info_len(len + offset);
+	len += snprintf((buf + len), n,
+		"[%d]: clk config:\n"
+		"  pll_mode:   0x%x\n"
+		"  pll_tcon_div_sel: %d\n"
+		"  phy_clk:    %lldHz\n"
+		"  edp_div0:   %d\n"
+		"  edp_div1:   %d\n"
+		"  xd:         %d\n"
+		"  fout:       %uHz\n"
+		"  vclk_sel:   %d\n",
+		pdrv->index, cconf->pll_mode,
+		cconf->pll_tcon_div_sel, cconf->phy_clk,
+		edp_div0_table[cconf->edp_div0], edp_div1_table[cconf->edp_div1],
+		cconf->xd, cconf->fout, cconf->data->vclk_sel);
+	if (cconf->data->ss_support) {
+		n = lcd_debug_info_len(len + offset);
+		len += snprintf((buf + len), n,
+			"  ss_level:   %d\n"
+			"  ss_dep_sel: %d\n"
+			"  ss_str_m:   %d\n"
+			"  ss_ppm:     %d\n"
+			"  ss_freq:    %d\n"
+			"  ss_mode:    %d\n"
+			"  ss_en:      %d\n\n",
+			cconf->ss_level,
+			cconf->ss_dep_sel, cconf->ss_str_m, cconf->ss_ppm,
+			cconf->ss_freq, cconf->ss_mode, cconf->ss_en);
+	}
+
 	return len;
 }
 
diff --git a/drivers/media/vout/lcd/lcd_venc/lcd_venc_dft.c b/drivers/media/vout/lcd/lcd_venc/lcd_venc_dft.c
index 7628e91fb..7d2eb2956 100644
--- a/drivers/media/vout/lcd/lcd_venc/lcd_venc_dft.c
+++ b/drivers/media/vout/lcd/lcd_venc/lcd_venc_dft.c
@@ -207,7 +207,7 @@ static void lcd_venc_set_timing(struct aml_lcd_drv_s *pdrv)
 {
 	struct lcd_config_s *pconf = &pdrv->curr_dev->dev_cfg;
 	unsigned int hstart, hend, vstart, vend;
-	unsigned int pre_vde, pre_de_vs, pre_de_ve, pre_de_hs, pre_de_he;
+	unsigned int pre_hde, pre_vde, pre_de_vs, pre_de_ve, pre_de_hs, pre_de_he;
 
 	hstart = pconf->timing.hstart;
 	hend = pconf->timing.hend;
@@ -222,21 +222,20 @@ static void lcd_venc_set_timing(struct aml_lcd_drv_s *pdrv)
 	lcd_vcbus_write(ENCL_VIDEO_VAVON_ELINE, vend);
 	if (pconf->basic.lcd_type == LCD_P2P ||
 	    pconf->basic.lcd_type == LCD_MLVDS) {
+		pre_hde = pconf->timing.pre_de_h ? pconf->timing.pre_de_h : PRE_DE_DELAY;
+		pre_de_hs = pconf->timing.hstart + pre_hde;
+		pre_de_he = pconf->timing.act_timing.h_active - 1 + pre_de_hs;
 		switch (pdrv->data->chip_type) {
 		case LCD_CHIP_TL1:
 		case LCD_CHIP_TM2:
 			pre_vde = pconf->timing.pre_de_v ? pconf->timing.pre_de_v : 5;
-			pre_de_vs = vstart - pre_vde;
+			pre_de_vs = pconf->timing.vstart - pre_vde;
 			pre_de_ve = pre_de_vs + 4;
-			pre_de_hs = hstart + PRE_DE_DELAY;
-			pre_de_he = pconf->timing.act_timing.h_active - 1 + pre_de_hs;
 			break;
 		default:
 			pre_vde = pconf->timing.pre_de_v ? pconf->timing.pre_de_v : 8;
-			pre_de_vs = vstart - pre_vde;
+			pre_de_vs = pconf->timing.vstart - pre_vde;
 			pre_de_ve = pconf->timing.act_timing.v_active + pre_de_vs;
-			pre_de_hs = hstart + PRE_DE_DELAY;
-			pre_de_he = pconf->timing.act_timing.h_active - 1 + pre_de_hs;
 			break;
 		}
 		lcd_vcbus_write(ENCL_VIDEO_V_PRE_DE_BLINE, pre_de_vs);
@@ -415,6 +414,10 @@ static int lcd_venc_reg_dump(struct aml_lcd_drv_s *pdrv, char *buf, int offset)
 		ENCL_VIDEO_VSO_END,
 		ENCL_VIDEO_VSO_BLINE,
 		ENCL_VIDEO_VSO_ELINE,
+		ENCL_VIDEO_H_PRE_DE_BEGIN,
+		ENCL_VIDEO_H_PRE_DE_END,
+		ENCL_VIDEO_V_PRE_DE_BLINE,
+		ENCL_VIDEO_V_PRE_DE_ELINE,
 		ENCL_VIDEO_RGBIN_CTRL,
 		L_GAMMA_CNTL_PORT,
 		L_RGB_BASE_ADDR,
@@ -428,8 +431,6 @@ static int lcd_venc_reg_dump(struct aml_lcd_drv_s *pdrv, char *buf, int offset)
 	};
 
 	switch (pdrv->data->chip_type) {
-	case LCD_CHIP_TL1:
-	case LCD_CHIP_TM2:
 	case LCD_CHIP_T5:
 	case LCD_CHIP_T5D:
 	case LCD_CHIP_TXHD2:
diff --git a/drivers/media/vout/lcd/lcd_venc/lcd_venc_t3x.c b/drivers/media/vout/lcd/lcd_venc/lcd_venc_t3x.c
index a614c4011..7cdcf3ac5 100644
--- a/drivers/media/vout/lcd/lcd_venc/lcd_venc_t3x.c
+++ b/drivers/media/vout/lcd/lcd_venc/lcd_venc_t3x.c
@@ -256,7 +256,7 @@ static void lcd_venc_set_timing(struct aml_lcd_drv_s *pdrv)
 	struct lcd_config_s *pconf = &pdrv->curr_dev->dev_cfg;
 	unsigned int hstart, hend, vstart, vend, h_period, v_period;
 	unsigned int offset;
-	unsigned int pre_vde, pre_de_vs, pre_de_ve, pre_de_hs, pre_de_he;
+	unsigned int pre_hde, pre_vde, pre_de_vs, pre_de_ve, pre_de_hs, pre_de_he;
 	unsigned int hs_hs_addr, hs_he_addr, vs_vs_addr, vs_ve_addr, vs_hs_addr, vs_he_addr;
 	unsigned int ppc, slice, p2s_px_dly;
 	unsigned int hde_px_bgn, hde_px_end;
@@ -321,9 +321,10 @@ static void lcd_venc_set_timing(struct aml_lcd_drv_s *pdrv)
 	if (pconf->basic.lcd_type == LCD_P2P ||
 	    pconf->basic.lcd_type == LCD_MLVDS) {
 		pre_vde = pconf->timing.pre_de_v ? pconf->timing.pre_de_v : 16;
-		pre_de_vs = vstart - pre_vde;
+		pre_hde = pconf->timing.pre_de_h ? pconf->timing.pre_de_h : 6;
+		pre_de_vs = pconf->timing.vstart - pre_vde;
 		pre_de_ve = pconf->timing.act_timing.v_active + pre_de_vs;
-		pre_de_hs = hstart + 6;
+		pre_de_hs = pconf->timing.hstart + pre_hde;
 		pre_de_he = pconf->timing.act_timing.h_active + pre_de_hs;
 		lcd_vcbus_setb(ENCL_VIDEO_V_PRE_DE_LN_RNG + offset, pre_de_vs, 16, 16);
 		lcd_vcbus_setb(ENCL_VIDEO_V_PRE_DE_LN_RNG + offset, pre_de_ve, 0, 16);
@@ -601,6 +602,8 @@ static int lcd_venc_reg_dump(struct aml_lcd_drv_s *pdrv, char *buf, int offset)
 		ENCL_VIDEO_HSO_PX_RNG,
 		ENCL_VIDEO_VSO_PX_RNG,
 		ENCL_VIDEO_VSO_LN_RNG,
+		ENCL_VIDEO_H_PRE_DE_PX_RNG,
+		ENCL_VIDEO_V_PRE_DE_LN_RNG,
 		ENCL_INBUF_CNTL0_T3X,
 		ENCL_INBUF_CNTL1,
 		VPU_DISP_VIU0_CTRL,
diff --git a/drivers/media/vout/lcd/lcd_venc/lcd_venc_t6x.c b/drivers/media/vout/lcd/lcd_venc/lcd_venc_t6x.c
index a7b4615c7..f184654d0 100644
--- a/drivers/media/vout/lcd/lcd_venc/lcd_venc_t6x.c
+++ b/drivers/media/vout/lcd/lcd_venc/lcd_venc_t6x.c
@@ -257,7 +257,7 @@ static void lcd_venc_set_timing(struct aml_lcd_drv_s *pdrv)
 {
 	struct lcd_config_s *pconf = &pdrv->curr_dev->dev_cfg;
 	unsigned int hstart, hend, vstart, vend, h_period, v_period;
-	unsigned int pre_vde, pre_de_vs, pre_de_ve, pre_de_hs, pre_de_he;
+	unsigned int pre_hde, pre_vde, pre_de_vs, pre_de_ve, pre_de_hs, pre_de_he;
 	unsigned int hs_hs_addr, hs_he_addr, vs_vs_addr, vs_ve_addr, vs_hs_addr, vs_he_addr;
 	unsigned int ppc, slice, p2s_px_dly;
 	unsigned int hde_px_bgn, hde_px_end;
@@ -321,9 +321,10 @@ static void lcd_venc_set_timing(struct aml_lcd_drv_s *pdrv)
 	if (pconf->basic.lcd_type == LCD_P2P ||
 	    pconf->basic.lcd_type == LCD_MLVDS) {
 		pre_vde = pconf->timing.pre_de_v ? pconf->timing.pre_de_v : 16;
-		pre_de_vs = vstart - pre_vde;
+		pre_hde = pconf->timing.pre_de_h ? pconf->timing.pre_de_h : 6;
+		pre_de_vs = pconf->timing.vstart - pre_vde;
 		pre_de_ve = pconf->timing.act_timing.v_active + pre_de_vs;
-		pre_de_hs = hstart + 6;
+		pre_de_hs = pconf->timing.hstart + pre_hde;
 		pre_de_he = pconf->timing.act_timing.h_active + pre_de_hs;
 		lcd_vcbus_setb(ENCL_VIDEO_V_PRE_DE_LN_RNG_T6X, pre_de_vs, 16, 16);
 		lcd_vcbus_setb(ENCL_VIDEO_V_PRE_DE_LN_RNG_T6X, pre_de_ve, 0, 16);
@@ -603,7 +604,8 @@ static int lcd_venc_reg_dump(struct aml_lcd_drv_s *pdrv, char *buf, int offset)
 		{ENCL_VIDEO_HSO_PX_RNG_T6X,         "ENCL_VIDEO_HSO_PX_RNG   "},
 		{ENCL_VIDEO_VSO_PX_RNG_T6X,         "ENCL_VIDEO_VSO_PX_RNG   "},
 		{ENCL_VIDEO_VSO_LN_RNG_T6X,         "ENCL_VIDEO_VSO_LN_RNG   "},
-		{ENCL_VIDEO_H_PRE_DE_PX_RNG_T6X,    "ENCL_VIDEO_H_PRE_DE_PX_RNG"},
+		{ENCL_VIDEO_H_PRE_DE_PX_RNG_T6X,    "ENCL_VID_H_PRE_DE_PX_RNG"},
+		{ENCL_VIDEO_V_PRE_DE_LN_RNG_T6X,    "ENCL_VID_V_PRE_DE_LN_RNG"},
 		{ENCL_DBG_PX_LN_RST_T6X,            "ENCL_DBG_PX_LN_RST      "},
 		{ENCL_DBG_PX_LN_INT_T6X,            "ENCL_DBG_PX_LN_INT      "}
 	};
diff --git a/drivers/media/vout/lcd/lcd_venc/lcd_venc_t7.c b/drivers/media/vout/lcd/lcd_venc/lcd_venc_t7.c
index 9f88b335c..3864553f3 100644
--- a/drivers/media/vout/lcd/lcd_venc/lcd_venc_t7.c
+++ b/drivers/media/vout/lcd/lcd_venc/lcd_venc_t7.c
@@ -331,7 +331,7 @@ static void lcd_venc_set_timing(struct aml_lcd_drv_s *pdrv)
 	struct lcd_config_s *pconf = &pdrv->curr_dev->dev_cfg;
 	unsigned int hstart, hend, vstart, vend;
 	unsigned int offset;
-	unsigned int pre_vde, pre_de_vs, pre_de_ve, pre_de_hs, pre_de_he;
+	unsigned int pre_hde, pre_vde, pre_de_vs, pre_de_ve, pre_de_hs, pre_de_he;
 
 	offset = pdrv->data->offset_venc[pdrv->index];
 	hstart = pconf->timing.hstart;
@@ -348,9 +348,10 @@ static void lcd_venc_set_timing(struct aml_lcd_drv_s *pdrv)
 	if (pconf->basic.lcd_type == LCD_P2P ||
 	    pconf->basic.lcd_type == LCD_MLVDS) {
 		pre_vde = pconf->timing.pre_de_v ? pconf->timing.pre_de_v : 8;
-		pre_de_vs = vstart - pre_vde;
+		pre_hde = pconf->timing.pre_de_h ? pconf->timing.pre_de_h : PRE_DE_DELAY;
+		pre_de_vs = pconf->timing.vstart - pre_vde;
 		pre_de_ve = pconf->timing.act_timing.v_active + pre_de_vs;
-		pre_de_hs = hstart + PRE_DE_DELAY;
+		pre_de_hs = pconf->timing.hstart + pre_hde;
 		pre_de_he = pconf->timing.act_timing.h_active - 1 + pre_de_hs;
 		lcd_vcbus_write(ENCL_VIDEO_V_PRE_DE_BLINE + offset, pre_de_vs);
 		lcd_vcbus_write(ENCL_VIDEO_V_PRE_DE_ELINE + offset, pre_de_ve);
@@ -722,6 +723,10 @@ static int lcd_venc_reg_dump(struct aml_lcd_drv_s *pdrv, char *buf, int offset)
 		ENCL_VIDEO_VSO_END,
 		ENCL_VIDEO_VSO_BLINE,
 		ENCL_VIDEO_VSO_ELINE,
+		ENCL_VIDEO_H_PRE_DE_BEGIN,
+		ENCL_VIDEO_H_PRE_DE_END,
+		ENCL_VIDEO_V_PRE_DE_BLINE,
+		ENCL_VIDEO_V_PRE_DE_ELINE,
 		ENCL_VIDEO_RGBIN_CTRL,
 		ENCL_INBUF_CNTL0,
 		ENCL_INBUF_CNTL1,