diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
index 74dd9956144e..c5feef8dc27d 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
@@ -15,5 +15,6 @@
 #define HIBMC_DP_CLK_EN			0x7
 #define HIBMC_DP_SYNC_EN_MASK		0x3
 #define HIBMC_DP_LINK_RATE_CAL		27
+#define HIBMC_DP_SYNC_DELAY(lanes)	((lanes) == 0x2 ? 86 : 46)
 
 #endif
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
index 39fd3687efca..ee1ff205ff56 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
@@ -3,6 +3,7 @@
 
 #include <linux/io.h>
 #include <linux/delay.h>
+#include <drm/drm_managed.h>
 #include "dp_config.h"
 #include "dp_comm.h"
 #include "dp_reg.h"
@@ -73,6 +74,9 @@ static void hibmc_dp_set_sst(struct hibmc_dp_dev *dp, struct drm_display_mode *m
 				 HIBMC_DP_CFG_STREAM_HTOTAL_SIZE, htotal_size);
 	hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_HORIZONTAL_SIZE,
 				 HIBMC_DP_CFG_STREAM_HBLANK_SIZE, hblank_size);
+	hibmc_dp_reg_write_field(dp, HIBMC_DP_VIDEO_PACKET,
+				 HIBMC_DP_CFG_STREAM_SYNC_CALIBRATION,
+				 HIBMC_DP_SYNC_DELAY(dp->link.cap.lanes));
 }
 
 static void hibmc_dp_link_cfg(struct hibmc_dp_dev *dp, struct drm_display_mode *mode)
@@ -170,7 +174,7 @@ int hibmc_dp_hw_init(struct hibmc_dp *dp)
 		return -EAGAIN;
 
 	dp_dev->link.cap.lanes = 0x2;
-	dp_dev->link.cap.link_rate = DP_LINK_BW_2_7;
+	dp_dev->link.cap.link_rate = DP_LINK_BW_8_1;
 
 	/* hdcp data */
 	writel(HIBMC_DP_HDCP, dp_dev->base + HIBMC_DP_HDCP_CFG);
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c
index f6355c16cc0a..43a4b656493f 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_link.c
@@ -6,6 +6,7 @@
 #include <drm/drm_print.h>
 #include "dp_comm.h"
 #include "dp_reg.h"
+#include "dp_serdes.h"
 
 #define HIBMC_EQ_MAX_RETRY 5
 
@@ -108,7 +109,11 @@ static int hibmc_dp_link_training_cr_pre(struct hibmc_dp_dev *dp)
 		return ret;
 
 	for (i = 0; i < dp->link.cap.lanes; i++)
-		train_set[i] = DP_TRAIN_VOLTAGE_SWING_LEVEL_2;
+		train_set[i] = DP_TRAIN_VOLTAGE_SWING_LEVEL_0;
+
+	ret = hibmc_dp_serdes_set_tx_cfg(dp, dp->link.train_set);
+	if (ret)
+		return ret;
 
 	ret = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET, train_set, dp->link.cap.lanes);
 	if (ret != dp->link.cap.lanes) {
@@ -137,21 +142,28 @@ static bool hibmc_dp_link_get_adjust_train(struct hibmc_dp_dev *dp,
 	return false;
 }
 
-static inline int hibmc_dp_link_reduce_rate(struct hibmc_dp_dev *dp)
+static int hibmc_dp_link_reduce_rate(struct hibmc_dp_dev *dp)
 {
+	u8 rate = 0;
+
 	switch (dp->link.cap.link_rate) {
 	case DP_LINK_BW_2_7:
 		dp->link.cap.link_rate = DP_LINK_BW_1_62;
-		return 0;
+		rate = DP_SERDES_BW_1_62;
+		break;
 	case DP_LINK_BW_5_4:
 		dp->link.cap.link_rate = DP_LINK_BW_2_7;
-		return 0;
+		rate = DP_SERDES_BW_2_7;
+		break;
 	case DP_LINK_BW_8_1:
 		dp->link.cap.link_rate = DP_LINK_BW_5_4;
-		return 0;
+		rate = DP_SERDES_BW_5_4;
+		break;
 	default:
 		return -EINVAL;
 	}
+
+	return hibmc_dp_serdes_rate_switch(rate, dp);
 }
 
 static inline int hibmc_dp_link_reduce_lane(struct hibmc_dp_dev *dp)
@@ -159,6 +171,7 @@ static inline int hibmc_dp_link_reduce_lane(struct hibmc_dp_dev *dp)
 	switch (dp->link.cap.lanes) {
 	case 0x2:
 		dp->link.cap.lanes--;
+		drm_warn(dp->dev, "dp link training reduce to 1 lane\n");
 		break;
 	case 0x1:
 		drm_err(dp->dev, "dp link training reduce lane failed, already reach minimum\n");
@@ -206,6 +219,11 @@ static int hibmc_dp_link_training_cr(struct hibmc_dp_dev *dp)
 		}
 
 		level_changed = hibmc_dp_link_get_adjust_train(dp, lane_status);
+
+		ret = hibmc_dp_serdes_set_tx_cfg(dp, dp->link.train_set);
+		if (ret)
+			return ret;
+
 		ret = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET, dp->link.train_set,
 					dp->link.cap.lanes);
 		if (ret != dp->link.cap.lanes) {
@@ -255,6 +273,11 @@ static int hibmc_dp_link_training_channel_eq(struct hibmc_dp_dev *dp)
 		}
 
 		hibmc_dp_link_get_adjust_train(dp, lane_status);
+
+		ret = hibmc_dp_serdes_set_tx_cfg(dp, dp->link.train_set);
+		if (ret)
+			return ret;
+
 		ret = drm_dp_dpcd_write(&dp->aux, DP_TRAINING_LANE0_SET,
 					dp->link.train_set, dp->link.cap.lanes);
 		if (ret != dp->link.cap.lanes) {
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h
index 4a515c726d52..f2fa9807d8ab 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_reg.h
@@ -72,5 +72,6 @@
 #define HIBMC_DP_CFG_STREAM_TU_SYMBOL_FRAC_SIZE	GENMASK(9, 6)
 #define HIBMC_DP_CFG_STREAM_HTOTAL_SIZE		GENMASK(31, 16)
 #define HIBMC_DP_CFG_STREAM_HBLANK_SIZE		GENMASK(15, 0)
+#define HIBMC_DP_CFG_STREAM_SYNC_CALIBRATION	GENMASK(31, 20)
 
 #endif
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
index e6de6d5edf6b..bade693d9730 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.c
@@ -28,9 +28,7 @@
 #include "hibmc_drm_drv.h"
 #include "hibmc_drm_regs.h"
 
-#define HIBMC_DP_HOST_SERDES_CTRL		0x1f001c
-#define HIBMC_DP_HOST_SERDES_CTRL_VAL		0x8a00
-#define HIBMC_DP_HOST_SERDES_CTRL_MASK		0x7ffff
+#define HIBMC_DP_HOST_SERDES_CTRL	0x1f001c
 
 DEFINE_DRM_GEM_FOPS(hibmc_fops);
 
@@ -122,8 +120,8 @@ static int hibmc_kms_init(struct hibmc_drm_private *priv)
 	}
 
 	/* if DP existed, init DP */
-	if ((readl(priv->mmio + HIBMC_DP_HOST_SERDES_CTRL) &
-	     HIBMC_DP_HOST_SERDES_CTRL_MASK) == HIBMC_DP_HOST_SERDES_CTRL_VAL) {
+	ret = readl(priv->mmio + HIBMC_DP_HOST_SERDES_CTRL);
+	if (ret) {
 		ret = hibmc_dp_init(priv);
 		if (ret)
 			drm_err(dev, "failed to init dp: %d\n", ret);
