diff --git a/drivers/media/platform/rockchip/isp/bridge.c b/drivers/media/platform/rockchip/isp/bridge.c
index 23bc8ee42aec..10ac7afd299c 100644
--- a/drivers/media/platform/rockchip/isp/bridge.c
+++ b/drivers/media/platform/rockchip/isp/bridge.c
@@ -20,34 +20,6 @@ struct rkisp_bridge_buf *to_bridge_buf(struct rkisp_ispp_buf *dbufs)
 	return container_of(dbufs, struct rkisp_bridge_buf, dbufs);
 }
 
-static void update_mi(struct rkisp_bridge_device *dev)
-{
-	struct rkisp_hw_dev *hw = dev->ispdev->hw_dev;
-	struct rkisp_bridge_buf *buf;
-	u32 val;
-
-	if (hw->nxt_buf) {
-		buf = to_bridge_buf(hw->nxt_buf);
-		val = buf->dummy[GROUP_BUF_PIC].dma_addr;
-		rkisp_write(dev->ispdev,
-			    dev->cfg->reg.y0_base, val, true);
-		val += dev->cfg->offset;
-		rkisp_write(dev->ispdev,
-			    dev->cfg->reg.uv0_base, val, true);
-		val = buf->dummy[GROUP_BUF_GAIN].dma_addr;
-		rkisp_write(dev->ispdev,
-			    dev->cfg->reg.g0_base, val, true);
-	}
-
-	v4l2_dbg(3, rkisp_debug, &dev->sd,
-		 "%s pic(shd:0x%x base:0x%x) gain(shd:0x%x base:0x%x)\n",
-		 __func__,
-		 rkisp_read(dev->ispdev, dev->cfg->reg.y0_base_shd, true),
-		 rkisp_read(dev->ispdev, dev->cfg->reg.y0_base, true),
-		 rkisp_read(dev->ispdev, dev->cfg->reg.g0_base_shd, true),
-		 rkisp_read(dev->ispdev, dev->cfg->reg.g0_base, true));
-}
-
 static void dump_dbg_reg(struct rkisp_bridge_device *dev, struct rkisp_ispp_reg *reg_buf)
 {
 	struct rkisp_isp2x_stat_buffer *tmp_statsbuf;
@@ -586,16 +558,6 @@ static int frame_end(struct rkisp_bridge_device *dev, bool en)
 		hw->nxt_buf = NULL;
 	}
 
-	spin_lock_irqsave(&hw->buf_lock, lock_flags);
-	if (!list_empty(&hw->list)) {
-		hw->nxt_buf = list_first_entry(&hw->list,
-				struct rkisp_ispp_buf, list);
-		list_del(&hw->nxt_buf->list);
-	}
-	spin_unlock_irqrestore(&hw->buf_lock, lock_flags);
-
-	update_mi(dev);
-
 	return 0;
 }
 
@@ -1003,9 +965,6 @@ static int bridge_start(struct rkisp_bridge_device *dev)
 		rkisp_config_dmatx_valid_buf(dev->ispdev);
 		force_cfg_update(dev->ispdev);
 		rkisp_update_spstream_buf(sp_stream);
-
-		if (!(dev->work_mode & ISP_ISPP_QUICK))
-			update_mi(dev);
 		hdr_update_dmatx_buf(dev->ispdev);
 	}
 	dev->ispdev->skip_frame = 0;
@@ -1434,6 +1393,44 @@ void rkisp_bridge_stop_spstream(struct rkisp_device *dev)
 	spin_unlock_irqrestore(&hw->buf_lock, lock_flags);
 }
 
+void rkisp_bridge_update_mi(struct rkisp_device *dev)
+{
+	struct rkisp_bridge_device *br = &dev->br_dev;
+	struct rkisp_hw_dev *hw = dev->hw_dev;
+	struct rkisp_bridge_buf *buf;
+	unsigned long lock_flags = 0;
+	u32 val;
+
+	if (dev->isp_ver != ISP_V20 || !br->en ||
+	    br->work_mode & ISP_ISPP_QUICK)
+		return;
+
+	spin_lock_irqsave(&hw->buf_lock, lock_flags);
+	if (!hw->nxt_buf && !list_empty(&hw->list)) {
+		hw->nxt_buf = list_first_entry(&hw->list,
+				struct rkisp_ispp_buf, list);
+		list_del(&hw->nxt_buf->list);
+	}
+	spin_unlock_irqrestore(&hw->buf_lock, lock_flags);
+
+	if (hw->nxt_buf) {
+		buf = to_bridge_buf(hw->nxt_buf);
+		val = buf->dummy[GROUP_BUF_PIC].dma_addr;
+		rkisp_write(dev, br->cfg->reg.y0_base, val, true);
+		val += br->cfg->offset;
+		rkisp_write(dev, br->cfg->reg.uv0_base, val, true);
+		val = buf->dummy[GROUP_BUF_GAIN].dma_addr;
+		rkisp_write(dev, br->cfg->reg.g0_base, val, true);
+	}
+
+	v4l2_dbg(2, rkisp_debug, &br->sd,
+		 "update pic(shd:0x%x base:0x%x) gain(shd:0x%x base:0x%x)\n",
+		 rkisp_read(dev, br->cfg->reg.y0_base_shd, true),
+		 rkisp_read(dev, br->cfg->reg.y0_base, true),
+		 rkisp_read(dev, br->cfg->reg.g0_base_shd, true),
+		 rkisp_read(dev, br->cfg->reg.g0_base, true));
+}
+
 void rkisp_bridge_isr(u32 *mis_val, struct rkisp_device *dev)
 {
 	struct rkisp_bridge_device *bridge = &dev->br_dev;
@@ -1486,7 +1483,8 @@ int rkisp_register_bridge_subdev(struct rkisp_device *dev,
 	v4l2_subdev_init(sd, &bridge_v4l2_ops);
 	//sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE;
 	sd->entity.obj_type = 0;
-	snprintf(sd->name, sizeof(sd->name), BRIDGE_DEV_NAME);
+	snprintf(sd->name, sizeof(sd->name),
+		 "%s%d", BRIDGE_DEV_NAME, dev->dev_id);
 	bridge->pad.flags = MEDIA_PAD_FL_SINK;
 	ret = media_entity_pads_init(&sd->entity, 1, &bridge->pad);
 	if (ret < 0)
diff --git a/drivers/media/platform/rockchip/isp/bridge.h b/drivers/media/platform/rockchip/isp/bridge.h
index 0e5dfa074dc4..f8dbe291b52a 100644
--- a/drivers/media/platform/rockchip/isp/bridge.h
+++ b/drivers/media/platform/rockchip/isp/bridge.h
@@ -66,6 +66,7 @@ void rkisp_bridge_isr(u32 *mis_val, struct rkisp_device *dev);
 void rkisp_bridge_sendtopp_buffer(struct rkisp_device *dev, u32 dev_id, u32 buf_idx);
 void rkisp_bridge_save_spbuf(struct rkisp_device *dev, struct rkisp_buffer *sp_buf);
 void rkisp_bridge_stop_spstream(struct rkisp_device *dev);
+void rkisp_bridge_update_mi(struct rkisp_device *dev);
 void rkisp_get_bridge_sd(struct platform_device *dev,
 			 struct v4l2_subdev **sd);
 #endif
diff --git a/drivers/media/platform/rockchip/isp/csi.c b/drivers/media/platform/rockchip/isp/csi.c
index 3e65068c894b..f67ca02c716c 100644
--- a/drivers/media/platform/rockchip/isp/csi.c
+++ b/drivers/media/platform/rockchip/isp/csi.c
@@ -470,6 +470,7 @@ int rkisp_csi_config_patch(struct rkisp_device *dev)
 		rkisp_set_bits(dev, CTRL_SWS_CFG,
 			       0, SW_MPIP_DROP_FRM_DIS, true);
 	}
+	memset(dev->csi_dev.filt_state, 0, sizeof(dev->csi_dev.filt_state));
 	dev->csi_dev.frame_cnt = -1;
 	dev->csi_dev.frame_cnt_x1 = -1;
 	dev->csi_dev.frame_cnt_x2 = -1;
@@ -579,6 +580,9 @@ void rkisp_trigger_read_back(struct rkisp_csi_device *csi, u8 dma2frm, u32 mode)
 		rkisp_write(dev, ISP_CTRL, val, true);
 	}
 
+	memset(csi->filt_state, 0, sizeof(csi->filt_state));
+	csi->filt_state[CSI_F_VS] = dma2frm;
+
 	val = rkisp_read(dev, CSI2RX_CTRL0, true);
 	val &= ~SW_IBUF_OP_MODE(0xf);
 	tmp = SW_IBUF_OP_MODE(csi->rd_mode);
diff --git a/drivers/media/platform/rockchip/isp/csi.h b/drivers/media/platform/rockchip/isp/csi.h
index c49c2328faa5..a73c455d8f51 100644
--- a/drivers/media/platform/rockchip/isp/csi.h
+++ b/drivers/media/platform/rockchip/isp/csi.h
@@ -70,6 +70,7 @@ struct sink_info {
  * rdbk_kfifo: read back event fifo
  * rdbk_lock: lock for read back event
  * mipi_di: Data Identifier (vc[7:6],dt[5:0])
+ * filt_state: multiframe read back mode to filt irq event
  * tx_first: flags for dmatx first Y_STATE irq
  * memory: compact or big/little endian byte order for tx/rx
  */
@@ -87,6 +88,7 @@ struct rkisp_csi_device {
 	int frame_cnt_x3;
 	u32 rd_mode;
 	u8 mipi_di[CSI_PAD_MAX - 1];
+	u8 filt_state[CSI_F_MAX];
 	u8 tx_first[HDR_DMA_MAX];
 	u8 memory;
 };
diff --git a/drivers/media/platform/rockchip/isp/isp_ispp.h b/drivers/media/platform/rockchip/isp/isp_ispp.h
index ccbd10ebcef7..a86e3543e347 100644
--- a/drivers/media/platform/rockchip/isp/isp_ispp.h
+++ b/drivers/media/platform/rockchip/isp/isp_ispp.h
@@ -10,7 +10,7 @@
 #include <linux/rkisp1-config.h>
 #include <linux/rkispp-config.h>
 
-#define RKISP_BUF_MAX 3
+#define RKISP_BUF_MAX 2
 #define RKISPP_BUF_MAX 2
 #define RKISP_ISPP_BUF_MAX (RKISP_BUF_MAX + RKISPP_BUF_MAX + (2 * (DEV_MAX - 1)))
 
diff --git a/drivers/media/platform/rockchip/isp/rkisp.c b/drivers/media/platform/rockchip/isp/rkisp.c
index fcb310a451a1..6895384fea80 100644
--- a/drivers/media/platform/rockchip/isp/rkisp.c
+++ b/drivers/media/platform/rockchip/isp/rkisp.c
@@ -2294,6 +2294,11 @@ void rkisp_isp_isr(unsigned int isp_mis,
 		rkisp_set_state(dev, ISP_FRAME_VS);
 		if (IS_HDR_RDBK(dev->hdr.op_mode)) {
 			rkisp_stats_rdbk_enable(&dev->stats_vdev, true);
+			/* last readback to config next buf */
+			if (!dev->csi_dev.filt_state[CSI_F_VS])
+				rkisp_bridge_update_mi(dev);
+			else
+				dev->csi_dev.filt_state[CSI_F_VS]--;
 			goto vs_skip;
 		}
 		if (dev->cap_dev.stream[RKISP_STREAM_SP].interlaced) {