diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
index c5feef8dc27d..08f9e1caf7fc 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_config.h
@@ -16,5 +16,6 @@
 #define HIBMC_DP_SYNC_EN_MASK		0x3
 #define HIBMC_DP_LINK_RATE_CAL		27
 #define HIBMC_DP_SYNC_DELAY(lanes)	((lanes) == 0x2 ? 86 : 46)
+#define HIBMC_DP_INT_ENABLE		0xc
 
 #endif
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
index a921b98dbf50..b2116395b8dd 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.c
@@ -182,6 +182,7 @@ int hibmc_dp_hw_init(struct hibmc_dp *dp)
 	/* int init */
 	writel(0, dp_dev->base + HIBMC_DP_INTR_ENABLE);
 	writel(HIBMC_DP_INT_RST, dp_dev->base + HIBMC_DP_INTR_ORIGINAL_STATUS);
+	writel(HIBMC_DP_INT_ENABLE, dp_dev->base + HIBMC_DP_INTR_ENABLE);
 	/* rst */
 	writel(HIBMC_DP_DPTX_RST, dp_dev->base + HIBMC_DP_DPTX_RST_CTRL);
 	/* clock enable */
@@ -190,6 +191,21 @@ int hibmc_dp_hw_init(struct hibmc_dp *dp)
 	return 0;
 }
 
+void hibmc_dp_hpd_cfg(struct hibmc_dp *dp)
+{
+	struct hibmc_dp_dev *dp_dev = dp->dp_dev;
+
+	hibmc_dp_reg_write_field(dp_dev, HIBMC_DP_AUX_REQ, HIBMC_DP_CFG_AUX_SYNC_LEN_SEL, 0x0);
+	hibmc_dp_reg_write_field(dp_dev, HIBMC_DP_AUX_REQ, HIBMC_DP_CFG_AUX_TIMER_TIMEOUT, 0x1);
+	hibmc_dp_reg_write_field(dp->dp_dev, HIBMC_DP_AUX_REQ, HIBMC_DP_CFG_AUX_MIN_PULSE_NUM, 0x9);
+	writel(HIBMC_DP_HDCP, dp_dev->base + HIBMC_DP_HDCP_CFG);
+	writel(0, dp_dev->base + HIBMC_DP_INTR_ENABLE);
+	writel(HIBMC_DP_INT_RST, dp_dev->base + HIBMC_DP_INTR_ORIGINAL_STATUS);
+	writel(HIBMC_DP_INT_ENABLE, dp_dev->base + HIBMC_DP_INTR_ENABLE);
+	writel(HIBMC_DP_DPTX_RST, dp_dev->base + HIBMC_DP_DPTX_RST_CTRL);
+	writel(HIBMC_DP_CLK_EN, dp_dev->base + HIBMC_DP_DPTX_CLK_CTRL);
+}
+
 void hibmc_dp_display_en(struct hibmc_dp *dp, bool enable)
 {
 	struct hibmc_dp_dev *dp_dev = dp->dp_dev;
@@ -228,6 +244,12 @@ int hibmc_dp_mode_set(struct hibmc_dp *dp, struct drm_display_mode *mode)
 	return 0;
 }
 
+void hibmc_dp_reset_link(struct hibmc_dp *dp)
+{
+	dp->dp_dev->link.status.clock_recovered = false;
+	dp->dp_dev->link.status.channel_equalized = false;
+}
+
 static const struct hibmc_dp_color_raw g_rgb_raw[] = {
 	{CBAR_COLOR_BAR, 0x000, 0x000, 0x000},
 	{CBAR_WHITE,     0xfff, 0xfff, 0xfff},
diff --git a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h
index 83a53dae8012..a55d66d53966 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/dp/dp_hw.h
@@ -11,6 +11,7 @@
 #include <drm/drm_connector.h>
 #include <drm/drm_print.h>
 #include <drm/display/drm_dp_helper.h>
+#include <drm/drm_client.h>
 
 struct hibmc_dp_dev;
 
@@ -49,11 +50,16 @@ struct hibmc_dp {
 	void __iomem *mmio;
 	struct drm_dp_aux aux;
 	struct hibmc_dp_cbar_cfg cfg;
+	u32 irq_status;
+	u32 hpd_status;
+	struct drm_client_dev client;
 };
 
 int hibmc_dp_hw_init(struct hibmc_dp *dp);
 int hibmc_dp_mode_set(struct hibmc_dp *dp, struct drm_display_mode *mode);
 void hibmc_dp_display_en(struct hibmc_dp *dp, bool enable);
 void hibmc_dp_set_cbar(struct hibmc_dp *dp, const struct hibmc_dp_cbar_cfg *cfg);
+void hibmc_dp_reset_link(struct hibmc_dp *dp);
+void hibmc_dp_hpd_cfg(struct hibmc_dp *dp);
 
 #endif
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c
index a7f611e82f73..40a3ebb8ac4b 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_dp.c
@@ -9,10 +9,13 @@
 #include <drm/drm_modes.h>
 #include <drm/drm_drv.h>
 #include <drm/drm_edid.h>
+#include <drm/drm_client.h>
 
 #include "hibmc_drm_drv.h"
 #include "dp/dp_hw.h"
 
+#define DP_MASKED_SINK_HPD_PLUG_INT	BIT(2)
+
 static int hibmc_dp_connector_get_modes(struct drm_connector *connector)
 {
 	struct hibmc_dp *dp = to_hibmc_dp(connector);
@@ -98,6 +101,58 @@ static const struct drm_encoder_helper_funcs hibmc_dp_encoder_helper_funcs = {
 	.atomic_disable = hibmc_dp_encoder_disable,
 };
 
+irqreturn_t hibmc_dp_hpd_isr(int irq, void *arg)
+{
+	struct drm_device *dev = (struct drm_device *)arg;
+	struct hibmc_drm_private *priv = to_hibmc_drm_private(dev);
+	int idx;
+
+	if (!drm_dev_enter(dev, &idx))
+		return -ENODEV;
+
+	if (priv->dp.irq_status & DP_MASKED_SINK_HPD_PLUG_INT) {
+		drm_dbg_dp(&priv->dev, "HPD IN isr occur!\n");
+		priv->dp.hpd_status = 1;
+	} else {
+		drm_dbg_dp(&priv->dev, "HPD OUT isr occur!\n");
+		priv->dp.hpd_status = 0;
+	}
+
+	if (dev->registered)
+		drm_connector_helper_hpd_irq_event(&priv->dp.connector);
+
+	drm_dev_exit(idx);
+
+	return IRQ_HANDLED;
+}
+
+static int hibmc_dp_hpd_event(struct drm_client_dev *client)
+{
+	struct hibmc_dp *dp = container_of(client, struct hibmc_dp, client);
+	struct hibmc_drm_private *priv = to_hibmc_drm_private(dp->drm_dev);
+	struct drm_display_mode *mode = &priv->crtc.state->adjusted_mode;
+	int ret;
+
+	if (dp->hpd_status) {
+		hibmc_dp_hpd_cfg(&priv->dp);
+		ret = hibmc_dp_prepare(dp, mode);
+		if (ret)
+			return ret;
+
+		hibmc_dp_display_en(dp, true);
+	} else {
+		hibmc_dp_display_en(dp, false);
+		hibmc_dp_reset_link(&priv->dp);
+	}
+
+	return 0;
+}
+
+static const struct drm_client_funcs hibmc_dp_client_funcs = {
+	.hotplug = hibmc_dp_hpd_event,
+	.unregister = drm_client_release,
+};
+
 int hibmc_dp_init(struct hibmc_drm_private *priv)
 {
 	struct drm_device *dev = &priv->dev;
@@ -138,5 +193,11 @@ int hibmc_dp_init(struct hibmc_drm_private *priv)
 
 	drm_connector_attach_encoder(connector, encoder);
 
+	ret = drm_client_init(dev, &dp->client, "hibmc-DP-HPD", &hibmc_dp_client_funcs);
+	if (ret)
+		return ret;
+
+	drm_client_register(&dp->client);
+
 	return 0;
 }
diff --git a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
index bc89e4b9f4e3..daed1330b961 100644
--- a/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
+++ b/drivers/gpu/drm/hisilicon/hibmc/hibmc_drm_drv.h
@@ -71,4 +71,6 @@ int hibmc_dp_init(struct hibmc_drm_private *priv);
 
 void hibmc_debugfs_init(struct drm_connector *connector, struct dentry *root);
 
+irqreturn_t hibmc_dp_hpd_isr(int irq, void *arg);
+
 #endif
