diff --git a/linux-5.10/rk3568_patch/kernel.patch b/linux-5.10/rk3568_patch/kernel.patch
index ec91b4cf8ebe9bf925ddda33db2ab645f31a3235..b0c67f8511b85388b0fce44c0f219f587a830348 100755
--- a/linux-5.10/rk3568_patch/kernel.patch
+++ b/linux-5.10/rk3568_patch/kernel.patch
@@ -838747,7 +838747,7 @@ new file mode 100755
 index 000000000..f2b8b9cd8
 --- /dev/null
 +++ b/drivers/media/platform/rockchip/isp/isp_params_v21.c
-@@ -0,0 +1,4192 @@
+@@ -0,0 +1,4195 @@
 +// SPDX-License-Identifier: GPL-2.0
 +/* Copyright (c) 2020 Rockchip Electronics Co., Ltd. */
 +
@@ -842475,68 +842475,33 @@ index 000000000..f2b8b9cd8
 +	isp_rawhstbig_cfg_sram(params_vdev, &params->meas.rawhist3, 0, true);
 +}
 +
-+static int
-+rkisp_alloc_internal_buf(struct rkisp_isp_params_vdev *params_vdev,
-+			 const struct isp21_isp_params_cfg *new_params)
++static void
++rkisp_alloc_bay3d_buf(struct rkisp_isp_params_vdev *params_vdev,
++		const struct isp21_isp_params_cfg *new_params)
 +{
 +	struct rkisp_device *ispdev = params_vdev->dev;
 +	struct rkisp_isp_subdev *isp_sdev = &ispdev->isp_sdev;
 +	struct rkisp_isp_params_val_v21 *priv_val;
 +	u64 module_en_update, module_ens;
 +	u32 w, h, size;
-+	int ret, i;
++	int ret;
 +
-+	priv_val = (struct rkisp_isp_params_val_v21 *)params_vdev->priv_val;
 +	module_en_update = new_params->module_en_update;
 +	module_ens = new_params->module_ens;
 +
-+	priv_val->buf_3dlut_idx = 0;
-+	for (i = 0; i < RKISP_PARAM_3DLUT_BUF_NUM; i++) {
-+		priv_val->buf_3dlut[i].is_need_vaddr = true;
-+		priv_val->buf_3dlut[i].size = RKISP_PARAM_3DLUT_BUF_SIZE;
-+		ret = rkisp_alloc_buffer(ispdev, &priv_val->buf_3dlut[i]);
-+		if (ret) {
-+			dev_err(ispdev->dev, "can not alloc buffer\n");
-+			goto err_3dlut;
-+		}
-+	}
-+
-+	priv_val->buf_lsclut_idx = 0;
-+	for (i = 0; i < RKISP_PARAM_LSC_LUT_BUF_NUM; i++) {
-+		priv_val->buf_lsclut[i].is_need_vaddr = true;
-+		priv_val->buf_lsclut[i].size = RKISP_PARAM_LSC_LUT_BUF_SIZE;
-+		ret = rkisp_alloc_buffer(ispdev, &priv_val->buf_lsclut[i]);
-+		if (ret) {
-+			dev_err(ispdev->dev, "can not alloc buffer\n");
-+			goto err_lsclut;
-+		}
-+	}
-+
 +	if ((module_en_update & ISP2X_MODULE_BAY3D) &&
 +	    (module_ens & ISP2X_MODULE_BAY3D)) {
 +		w = isp_sdev->in_crop.width;
 +		h = isp_sdev->in_crop.height;
 +		size = 2 * ALIGN((ALIGN(w, 16) + (w + 15) / 8) * h, 16);
++		priv_val = (struct rkisp_isp_params_val_v21 *)params_vdev->priv_val;
++		rkisp_free_buffer(ispdev, &priv_val->buf_3dnr);
++
 +		priv_val->buf_3dnr.size = size;
 +		ret = rkisp_alloc_buffer(ispdev, &priv_val->buf_3dnr);
-+		if (ret) {
++		if (ret)
 +			dev_err(ispdev->dev, "can not alloc bay3d buffer\n");
-+			goto err_bay3d;
-+		}
 +	}
-+
-+	return 0;
-+err_bay3d:
-+	rkisp_free_buffer(ispdev, &priv_val->buf_3dnr);
-+	i = RKISP_PARAM_LSC_LUT_BUF_NUM;
-+err_lsclut:
-+	for (i -= 1; i >= 0; i--)
-+		rkisp_free_buffer(ispdev, &priv_val->buf_lsclut[i]);
-+	i = RKISP_PARAM_3DLUT_BUF_NUM;
-+err_3dlut:
-+	for (i -= 1; i >= 0; i--)
-+		rkisp_free_buffer(ispdev, &priv_val->buf_3dlut[i]);
-+	return ret;
 +}
 +
 +/* Not called when the camera active, thus not isr protection. */
@@ -842551,7 +842516,7 @@ index 000000000..f2b8b9cd8
 +	u32 width = hw->max_in.w ? hw->max_in.w : out_crop->width;
 +	u32 size = hw->max_in.w ? hw->max_in.w * hw->max_in.h : isp_param_get_insize(params_vdev);
 +
-+	rkisp_alloc_internal_buf(params_vdev, params_vdev->isp21_params);
++	rkisp_alloc_bay3d_buf(params_vdev, params_vdev->isp21_params);
 +	spin_lock(&params_vdev->config_lock);
 +	/* override the default things */
 +	if (!params_vdev->isp21_params->module_cfg_update &&
@@ -842699,16 +842664,9 @@ index 000000000..f2b8b9cd8
 +{
 +	struct rkisp_device *ispdev = params_vdev->dev;
 +	struct rkisp_isp_params_val_v21 *priv_val;
-+	int i;
 +
 +	priv_val = (struct rkisp_isp_params_val_v21 *)params_vdev->priv_val;
 +	rkisp_free_buffer(ispdev, &priv_val->buf_3dnr);
-+	for (i = 0; i < RKISP_PARAM_3DLUT_BUF_NUM; i++)
-+		rkisp_free_buffer(ispdev, &priv_val->buf_3dlut[i]);
-+	for (i = 0; i < RKISP_PARAM_LSC_LUT_BUF_NUM; i++)
-+		rkisp_free_buffer(ispdev, &priv_val->buf_lsclut[i]);
-+	for (i = 0; i < RKISP_STATS_DDR_BUF_NUM; i++)
-+		rkisp_free_buffer(ispdev, &ispdev->stats_vdev.stats_buf[i]);
 +}
 +
 +static void
@@ -842913,7 +842871,9 @@ index 000000000..f2b8b9cd8
 +
 +int rkisp_init_params_vdev_v21(struct rkisp_isp_params_vdev *params_vdev)
 +{
++	struct device *dev = params_vdev->dev->dev;
 +	struct rkisp_isp_params_val_v21 *priv_val;
++	int i, ret;
 +
 +	priv_val = kzalloc(sizeof(*priv_val), GFP_KERNEL);
 +	if (!priv_val)
@@ -842924,22 +842884,65 @@ index 000000000..f2b8b9cd8
 +		kfree(priv_val);
 +		return -ENOMEM;
 +	}
++	priv_val->buf_3dlut_idx = 0;
++	for (i = 0; i < RKISP_PARAM_3DLUT_BUF_NUM; i++) {
++		priv_val->buf_3dlut[i].is_need_vaddr = true;
++		priv_val->buf_3dlut[i].size = RKISP_PARAM_3DLUT_BUF_SIZE;
++		ret = rkisp_alloc_buffer(params_vdev->dev, &priv_val->buf_3dlut[i]);
++		if (ret) {
++			dev_err(dev, "can not alloc buffer\n");
++			goto err;
++		}
++	}
++
++	priv_val->buf_lsclut_idx = 0;
++	for (i = 0; i < RKISP_PARAM_LSC_LUT_BUF_NUM; i++) {
++		priv_val->buf_lsclut[i].is_need_vaddr = true;
++		priv_val->buf_lsclut[i].size = RKISP_PARAM_LSC_LUT_BUF_SIZE;
++		ret = rkisp_alloc_buffer(params_vdev->dev, &priv_val->buf_lsclut[i]);
++		if (ret) {
++			dev_err(dev, "can not alloc buffer\n");
++			goto err;
++		}
++	}
 +
 +	params_vdev->priv_val = (void *)priv_val;
 +	params_vdev->ops = &rkisp_isp_params_ops_tbl;
 +	params_vdev->priv_ops = &rkisp_v21_isp_params_ops;
 +	rkisp_clear_first_param_v2x(params_vdev);
 +	return 0;
++
++	err:
++		for (i = 0; i < RKISP_PARAM_3DLUT_BUF_NUM; i++)
++			rkisp_free_buffer(params_vdev->dev, &priv_val->buf_3dlut[i]);
++
++		for (i = 0; i < RKISP_PARAM_LSC_LUT_BUF_NUM; i++)
++			rkisp_free_buffer(params_vdev->dev, &priv_val->buf_lsclut[i]);
++		vfree(params_vdev->isp21_params);
++
++		return ret;
 +}
 +
 +void rkisp_uninit_params_vdev_v21(struct rkisp_isp_params_vdev *params_vdev)
 +{
-+	if (params_vdev->isp21_params)
-+		vfree(params_vdev->isp21_params);
-+	kfree(params_vdev->priv_val);
++   struct rkisp_isp_params_val_v21 *priv_val;
++   int i;
++
++    priv_val = params_vdev->priv_val;
++    if (!priv_val)
++        return;
++
++    rkisp_deinit_ldch_buf(params_vdev);
++    for (i = 0; i < RKISP_PARAM_3DLUT_BUF_NUM; i++)
++        rkisp_free_buffer(params_vdev->dev, &priv_val->buf_3dlut[i]);
++
++	for (i = 0; i < RKISP_PARAM_LSC_LUT_BUF_NUM; i++)
++		rkisp_free_buffer(params_vdev->dev, &priv_val->buf_lsclut[i]);
++	vfree(params_vdev->isp21_params);
++	kfree(priv_val);
++
 +	params_vdev->priv_val = NULL;
 +}
-+
 diff --git a/drivers/media/platform/rockchip/isp/isp_params_v21.h b/drivers/media/platform/rockchip/isp/isp_params_v21.h
 new file mode 100755
 index 000000000..860b9156f
@@ -853821,7 +853824,7 @@ new file mode 100755
 index 000000000..d6946c9fe
 --- /dev/null
 +++ b/drivers/media/platform/rockchip/isp/isp_stats_v21.c
-@@ -0,0 +1,1169 @@
+@@ -0,0 +1,1166 @@
 +// SPDX-License-Identifier: GPL-2.0
 +/* Copyright (c) 2020 Rockchip Electronics Co., Ltd. */
 +
@@ -854942,19 +854945,11 @@ index 000000000..d6946c9fe
 +
 +void rkisp_stats_first_ddr_config_v21(struct rkisp_isp_stats_vdev *stats_vdev)
 +{
-+	int i;
-+
 +	stats_vdev->rd_stats_from_ddr = false;
 +	stats_vdev->priv_ops = &rkisp_stats_reg_ops_v21;
 +
-+	if (!IS_HDR_RDBK(stats_vdev->dev->hdr.op_mode)) {
-+		for (i = 0; i < RKISP_STATS_DDR_BUF_NUM; i++) {
-+			stats_vdev->stats_buf[i].is_need_vaddr = true;
-+			stats_vdev->stats_buf[i].size = RKISP_RD_STATS_BUF_SIZE;
-+			if (rkisp_alloc_buffer(stats_vdev->dev, &stats_vdev->stats_buf[i]))
-+				goto err;
-+		}
-+
++	if (!IS_HDR_RDBK(stats_vdev->dev->hdr.op_mode) &&
++	    stats_vdev->stats_buf[0].mem_priv) {
 +		stats_vdev->priv_ops = &rkisp_stats_ddr_ops_v21;
 +		stats_vdev->rd_stats_from_ddr = true;
 +		stats_vdev->rd_buf_idx = 0;
@@ -854967,15 +854962,12 @@ index 000000000..d6946c9fe
 +		rkisp_set_bits(stats_vdev->dev, CTRL_SWS_CFG, SW_3A_DDR_WRITE_EN,
 +			       SW_3A_DDR_WRITE_EN, false);
 +	}
-+	return;
-+err:
-+	for (i -= 1; i >= 0; i--)
-+		rkisp_free_buffer(stats_vdev->dev, &stats_vdev->stats_buf[i]);
-+	dev_err(stats_vdev->dev->dev, "alloc stats ddr buf fail\n");
 +}
 +
 +void rkisp_init_stats_vdev_v21(struct rkisp_isp_stats_vdev *stats_vdev)
 +{
++	int i;
++
 +	stats_vdev->vdev_fmt.fmt.meta.dataformat =
 +		V4L2_META_FMT_RK_ISP1_STAT_3A;
 +	stats_vdev->vdev_fmt.fmt.meta.buffersize =
@@ -854984,13 +854976,21 @@ index 000000000..d6946c9fe
 +	stats_vdev->ops = &rkisp_isp_stats_ops_tbl;
 +	stats_vdev->priv_ops = &rkisp_stats_reg_ops_v21;
 +	stats_vdev->rd_stats_from_ddr = false;
++
++	for (i = 0; i < RKISP_STATS_DDR_BUF_NUM; i++) {
++		stats_vdev->stats_buf[i].is_need_vaddr = true;
++		stats_vdev->stats_buf[i].size = RKISP_RD_STATS_BUF_SIZE;
++		rkisp_alloc_buffer(stats_vdev->dev, &stats_vdev->stats_buf[i]);
++	}
 +}
 +
 +void rkisp_uninit_stats_vdev_v21(struct rkisp_isp_stats_vdev *stats_vdev)
 +{
++	int i;
 +
++	for (i = 0; i < RKISP_STATS_DDR_BUF_NUM; i++)
++		rkisp_free_buffer(stats_vdev->dev, &stats_vdev->stats_buf[i]);
 +}
-+
 diff --git a/drivers/media/platform/rockchip/isp/isp_stats_v21.h b/drivers/media/platform/rockchip/isp/isp_stats_v21.h
 new file mode 100755
 index 000000000..c1dba6c65