diff --git a/drivers/media/platform/rockchip/isp/csi.c b/drivers/media/platform/rockchip/isp/csi.c
index bad3c5ce4fae..452ebef32af0 100644
--- a/drivers/media/platform/rockchip/isp/csi.c
+++ b/drivers/media/platform/rockchip/isp/csi.c
@@ -571,10 +571,11 @@ int rkisp_csi_config_patch(struct rkisp_device *dev)
 		memset(&hdr_cfg, 0, sizeof(hdr_cfg));
 		ret = rkisp_csi_get_hdr_cfg(dev, &hdr_cfg);
 		if (dev->isp_inp & INP_CIF) {
-			struct rkisp_vicap_mode mode = {
-				.name = dev->name,
-				.is_rdbk = true,
-			};
+			struct rkisp_vicap_mode mode;
+
+			memset(&mode, 0, sizeof(mode));
+			mode.name = dev->name;
+			mode.is_rdbk = true;
 
 			get_remote_mipi_sensor(dev, &mipi_sensor, MEDIA_ENT_F_PROC_VIDEO_COMPOSER);
 			dev->hdr.op_mode = HDR_NORMAL;
@@ -593,6 +594,7 @@ int rkisp_csi_config_patch(struct rkisp_device *dev)
 				mode.is_rdbk = false;
 			v4l2_subdev_call(mipi_sensor, core, ioctl,
 					 RKISP_VICAP_CMD_MODE, &mode);
+			dev->vicap_in = mode.input;
 			/* vicap direct to isp */
 			if ((dev->isp_ver == ISP_V30 || dev->isp_ver == ISP_V32) &&
 			    !mode.is_rdbk) {
diff --git a/drivers/media/platform/rockchip/isp/dev.c b/drivers/media/platform/rockchip/isp/dev.c
index 827ea956aedf..817277e903d6 100644
--- a/drivers/media/platform/rockchip/isp/dev.c
+++ b/drivers/media/platform/rockchip/isp/dev.c
@@ -303,14 +303,21 @@ static int rkisp_pipeline_set_stream(struct rkisp_pipeline *p, bool on)
 			goto err;
 		/* phy -> sensor */
 		for (i = 0; i < p->num_subdevs; ++i) {
+			if ((dev->vicap_in.merge_num > 1) &&
+			    (p->subdevs[i]->entity.function == MEDIA_ENT_F_CAM_SENSOR))
+				continue;
 			ret = v4l2_subdev_call(p->subdevs[i], video, s_stream, on);
 			if (on && ret < 0 && ret != -ENOIOCTLCMD && ret != -ENODEV)
 				goto err_stream_off;
 		}
 	} else {
 		/* sensor -> phy */
-		for (i = p->num_subdevs - 1; i >= 0; --i)
+		for (i = p->num_subdevs - 1; i >= 0; --i) {
+			if ((dev->vicap_in.merge_num > 1) &&
+			    (p->subdevs[i]->entity.function == MEDIA_ENT_F_CAM_SENSOR))
+				continue;
 			v4l2_subdev_call(p->subdevs[i], video, s_stream, on);
+		}
 		if (dev->vs_irq >= 0)
 			disable_irq(dev->vs_irq);
 		v4l2_subdev_call(&dev->isp_sdev.sd, video, s_stream, false);
diff --git a/drivers/media/platform/rockchip/isp/dev.h b/drivers/media/platform/rockchip/isp/dev.h
index eb5455501bb4..eb14b1ee4898 100644
--- a/drivers/media/platform/rockchip/isp/dev.h
+++ b/drivers/media/platform/rockchip/isp/dev.h
@@ -236,5 +236,7 @@ struct rkisp_device {
 	bool is_cmsk_upd;
 	bool is_hw_link;
 	bool is_bigmode;
+
+	struct rkisp_vicap_input vicap_in;
 };
 #endif
diff --git a/drivers/media/platform/rockchip/isp/dmarx.c b/drivers/media/platform/rockchip/isp/dmarx.c
index cb486f5f84e0..650266b1c292 100644
--- a/drivers/media/platform/rockchip/isp/dmarx.c
+++ b/drivers/media/platform/rockchip/isp/dmarx.c
@@ -366,10 +366,15 @@ static void update_rawrd(struct rkisp_stream *stream)
 	struct rkisp_device *dev = stream->ispdev;
 	void __iomem *base = dev->base_addr;
 	struct capture_fmt *fmt = &stream->out_isp_fmt;
-	u32 val;
+	u32 val = 0;
 
 	if (stream->curr_buf) {
-		val = stream->curr_buf->buff_addr[RKISP_PLANE_Y];
+		if (dev->vicap_in.merge_num > 1) {
+			val = stream->out_fmt.plane_fmt[0].bytesperline;
+			val /= dev->vicap_in.merge_num;
+			val *= dev->vicap_in.index;
+		}
+		val += stream->curr_buf->buff_addr[RKISP_PLANE_Y];
 		rkisp_write(dev, stream->config->mi.y_base_ad_init, val, false);
 		if (dev->hw_dev->is_unite) {
 			val += (stream->out_fmt.width / 2 - RKMOUDLE_UNITE_EXTEND_PIXEL) *
@@ -743,7 +748,10 @@ static int rkisp_set_fmt(struct rkisp_stream *stream,
 			bytesperline = ALIGN(width * fmt->bpp[i] / 8, 256);
 		else
 			bytesperline = width * DIV_ROUND_UP(fmt->bpp[i], 8);
-		/* stride is only available for sp stream and y plane */
+
+		if (stream->ispdev->vicap_in.merge_num > 1)
+			bytesperline *= stream->ispdev->vicap_in.merge_num;
+
 		if (i != 0 ||
 		    plane_fmt->bytesperline < bytesperline)
 			plane_fmt->bytesperline = bytesperline;
diff --git a/drivers/media/platform/rockchip/isp/isp_external.h b/drivers/media/platform/rockchip/isp/isp_external.h
index 655c4b943835..b7447cef83b7 100644
--- a/drivers/media/platform/rockchip/isp/isp_external.h
+++ b/drivers/media/platform/rockchip/isp/isp_external.h
@@ -6,7 +6,7 @@
 
 
 #define RKISP_VICAP_CMD_MODE \
-	_IOW('V', BASE_VIDIOC_PRIVATE + 0, struct rkisp_vicap_mode)
+	_IOWR('V', BASE_VIDIOC_PRIVATE + 0, struct rkisp_vicap_mode)
 
 #define RKISP_VICAP_CMD_INIT_BUF \
 	 _IOW('V', BASE_VIDIOC_PRIVATE + 1, int)
@@ -14,9 +14,16 @@
 #define RKISP_VICAP_BUF_CNT 1
 #define RKISP_RX_BUF_POOL_MAX (RKISP_VICAP_BUF_CNT * 3)
 
+struct rkisp_vicap_input {
+	u8 merge_num;
+	u8 index;
+};
+
 struct rkisp_vicap_mode {
 	char *name;
 	bool is_rdbk;
+
+	struct rkisp_vicap_input input;
 };
 
 enum rx_buf_type {
diff --git a/drivers/media/platform/rockchip/isp/rkisp.c b/drivers/media/platform/rockchip/isp/rkisp.c
index 0e451ffad125..988ed3d82ab3 100644
--- a/drivers/media/platform/rockchip/isp/rkisp.c
+++ b/drivers/media/platform/rockchip/isp/rkisp.c
@@ -2925,6 +2925,7 @@ static int rkisp_subdev_link_setup(struct media_entity *entity,
 		struct v4l2_subdev *remote = get_remote_sensor(sd);
 		struct rkisp_vicap_mode mode;
 
+		memset(&mode, 0, sizeof(mode));
 		mode.name = dev->name;
 		mode.is_rdbk = !!(dev->isp_inp & rawrd);
 		/* read back mode only */
@@ -2932,6 +2933,7 @@ static int rkisp_subdev_link_setup(struct media_entity *entity,
 			mode.is_rdbk = true;
 		v4l2_subdev_call(remote, core, ioctl,
 				 RKISP_VICAP_CMD_MODE, &mode);
+		dev->vicap_in = mode.input;
 	}
 
 	if (!dev->isp_inp)