diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_common/hdmi_parameters.c b/drivers/amlogic/media/vout/hdmitx/hdmi_common/hdmi_parameters.c
index 244e303ca0c0..911bead4e31c 100644
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_common/hdmi_parameters.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_common/hdmi_parameters.c
@@ -2704,6 +2704,24 @@ struct vinfo_s *hdmi_get_valid_vinfo(char *mode)
 		/* the string of mode contains char NF */
 		memset(mode_, 0, sizeof(mode_));
 		strncpy(mode_, mode, sizeof(mode_));
+
+		/* skip "f", 1080fp60hz -> 1080p60hz for 3d */
+		mode_[31] = '\0';
+		if (strstr(mode_, "fp")) {
+			int i = 0;
+
+			for (; mode_[i]; i++) {
+				if ((mode_[i] == 'f') &&
+					(mode_[i + 1] == 'p')) {
+					do {
+						mode_[i] = mode_[i + 1];
+						i++;
+					} while (mode_[i]);
+					break;
+				}
+			}
+		}
+
 		for (i = 0; i < sizeof(mode_); i++)
 			if (mode_[i] == 10)
 				mode_[i] = 0;
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 70a2827e3ead..c79eba69ee63 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
@@ -3527,6 +3527,16 @@ static enum vmode_e hdmitx_validate_vmode(char *mode)
 
 	if (info) {
 		hdmitx_vinfo = info;
+		hdmitx_vinfo->info_3d = NON_3D;
+		if (hdmitx_device.flag_3dfp)
+			hdmitx_vinfo->info_3d = FP_3D;
+
+		if (hdmitx_device.flag_3dtb)
+			hdmitx_vinfo->info_3d = TB_3D;
+
+		if (hdmitx_device.flag_3dss)
+			hdmitx_vinfo->info_3d = SS_3D;
+
 		hdmitx_vinfo->vout_device = &hdmitx_vdev;
 		return VMODE_HDMI;
 	}
@@ -4303,6 +4313,10 @@ static int amhdmitx_device_init(struct hdmitx_dev *hdmi_dev)
 	 */
 	hdmitx_device.hpdmode = 1;
 
+	hdmitx_device.flag_3dfp = 0;
+	hdmitx_device.flag_3dss = 0;
+	hdmitx_device.flag_3dtb = 0;
+
 	if ((init_flag&INIT_FLAG_POWERDOWN) && (hdmitx_device.hpdmode == 2))
 		hdmitx_device.mux_hpd_if_pin_high_flag = 0;
 	else
diff --git a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/enc_cfg_hw.c b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/enc_cfg_hw.c
index 15585215b175..4bdaa219c015 100644
--- a/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/enc_cfg_hw.c
+++ b/drivers/amlogic/media/vout/hdmitx/hdmi_tx_20/hw/enc_cfg_hw.c
@@ -1218,7 +1218,7 @@ static const struct reg_s tvregs_3dfp_1080p60[] = {
 
 	{P_ENCP_VIDEO_MODE, 0x4040,},
 	{P_ENCP_VIDEO_MODE_ADV, 0x18,},
-	{P_ENCP_VIDEO_MAX_PXCNT, 0x897,},
+	{P_ENCP_VIDEO_MAX_PXCNT, 0xABD,},
 	{P_ENCP_VIDEO_MAX_LNCNT, 0x8C9,},
 	{P_ENCP_VIDEO_HAVON_BEGIN, 0xC0,},
 	{P_ENCP_VIDEO_HAVON_END, 0x83F,},
@@ -1298,7 +1298,7 @@ static const struct reg_s tvregs_3dfp_1080p50[] = {
 
 	{P_ENCP_VIDEO_MODE, 0x4040,},
 	{P_ENCP_VIDEO_MODE_ADV, 0x18,},
-	{P_ENCP_VIDEO_MAX_PXCNT, 0xA4F,},
+	{P_ENCP_VIDEO_MAX_PXCNT, 0xABD,},
 	{P_ENCP_VIDEO_MAX_LNCNT, 0x8C9,},
 	{P_ENCP_VIDEO_HAVON_BEGIN, 0xC0,},
 	{P_ENCP_VIDEO_HAVON_END, 0x83F,},
diff --git a/drivers/amlogic/media/vout/vout_serve/vout_serve.c b/drivers/amlogic/media/vout/vout_serve/vout_serve.c
index 369b5ca6157f..778c9b7d9fe5 100644
--- a/drivers/amlogic/media/vout/vout_serve/vout_serve.c
+++ b/drivers/amlogic/media/vout/vout_serve/vout_serve.c
@@ -519,14 +519,16 @@ static ssize_t vout_vinfo_show(struct class *class,
 		"    fr_adj_type:           %d\n"
 		"    video_clk:             %d\n"
 		"    viu_color_fmt:         %d\n"
-		"    viu_mux:               %d\n\n",
+		"    viu_mux:               %d\n"
+		"    3d_info:               %d\n\n",
 		info->name, info->mode,
 		info->width, info->height, info->field_height,
 		info->aspect_ratio_num, info->aspect_ratio_den,
 		info->sync_duration_num, info->sync_duration_den,
 		info->screen_real_width, info->screen_real_height,
 		info->htotal, info->vtotal, info->fr_adj_type,
-		info->video_clk, info->viu_color_fmt, info->viu_mux);
+		info->video_clk, info->viu_color_fmt, info->viu_mux,
+		info->info_3d);
 	len += sprintf(buf+len, "master_display_info:\n"
 		"    present_flag          %d\n"
 		"    features              0x%x\n"
@@ -577,6 +579,7 @@ static ssize_t vout_vinfo_show(struct class *class,
 		info->hdr_info.hdr10plus_info.ieeeoui);
 	len += sprintf(buf+len, "    application_version: %x\n",
 		info->hdr_info.hdr10plus_info.application_version);
+
 	return len;
 }
 
diff --git a/include/linux/amlogic/media/vout/vinfo.h b/include/linux/amlogic/media/vout/vinfo.h
index 96bdc05f2e3e..7fff36da4ff2 100644
--- a/include/linux/amlogic/media/vout/vinfo.h
+++ b/include/linux/amlogic/media/vout/vinfo.h
@@ -53,6 +53,13 @@ enum vout_fr_adj_type_e {
 	VOUT_FR_ADJ_MAX,
 };
 
+enum vinfo_3d_e {
+	NON_3D = 0,
+	SS_3D,
+	FP_3D,
+	TB_3D,
+};
+
 /*emp : extended metadata type*/
 #define VENDOR_SPECIFIC_EM_DATA 0x0
 #define COMPRESS_VIDEO_TRAMSPORT 0x1