diff --git a/drivers/media/platform/rockchip/isp/common.c b/drivers/media/platform/rockchip/isp/common.c
index 328e5a79afee..d0a6d5d23eb1 100644
--- a/drivers/media/platform/rockchip/isp/common.c
+++ b/drivers/media/platform/rockchip/isp/common.c
@@ -32,6 +32,11 @@ u32 rkisp_read(struct rkisp_device *dev, u32 reg, bool is_direct)
 	return val;
 }
 
+u32 rkisp_read_reg_cache(struct rkisp_device *dev, u32 reg)
+{
+	return *(u32 *)(dev->sw_base_addr + reg);
+}
+
 void rkisp_set_bits(struct rkisp_device *dev, u32 reg, u32 mask, u32 val, bool is_direct)
 {
 	u32 tmp = rkisp_read(dev, reg, is_direct) & ~mask;
diff --git a/drivers/media/platform/rockchip/isp/common.h b/drivers/media/platform/rockchip/isp/common.h
index 925b879a4390..3b3ee06eef98 100644
--- a/drivers/media/platform/rockchip/isp/common.h
+++ b/drivers/media/platform/rockchip/isp/common.h
@@ -163,6 +163,7 @@ static inline struct vb2_queue *to_vb2_queue(struct file *file)
 
 void rkisp_write(struct rkisp_device *dev, u32 reg, u32 val, bool is_direct);
 u32 rkisp_read(struct rkisp_device *dev, u32 reg, bool is_direct);
+u32 rkisp_read_reg_cache(struct rkisp_device *dev, u32 reg);
 void rkisp_set_bits(struct rkisp_device *dev, u32 reg, u32 mask, u32 val, bool is_direct);
 void rkisp_clear_bits(struct rkisp_device *dev, u32 reg, u32 mask, bool is_direct);
 void rkisp_update_regs(struct rkisp_device *dev, u32 start, u32 end);
diff --git a/drivers/media/platform/rockchip/isp/csi.c b/drivers/media/platform/rockchip/isp/csi.c
index 25ce980f5eec..39168bf18392 100644
--- a/drivers/media/platform/rockchip/isp/csi.c
+++ b/drivers/media/platform/rockchip/isp/csi.c
@@ -491,7 +491,7 @@ void rkisp_trigger_read_back(struct rkisp_csi_device *csi, u8 dma2frm, u32 mode)
 	u32 val, cur_frame_id, tmp, rd_mode;
 	bool is_feature_on = hw->is_feature_on;
 	u64 iq_feature = hw->iq_feature;
-	bool is_upd = false;
+	bool is_upd = false, is_3dlut_upd = false;
 
 	if (dev->isp_ver == ISP_V21)
 		dma2frm = 0;
@@ -574,11 +574,19 @@ void rkisp_trigger_read_back(struct rkisp_csi_device *csi, u8 dma2frm, u32 mode)
 	if (IS_HDR_RDBK(dev->csi_dev.rd_mode))
 		rkisp_params_cfgsram(params_vdev);
 
+	/* read 3d lut at frame end */
+	if (hw->is_single && is_upd &&
+	    rkisp_read_reg_cache(dev, ISP_3DLUT_UPDATE) & 0x1) {
+		rkisp_write(dev, ISP_3DLUT_UPDATE, 0, true);
+		is_3dlut_upd = true;
+	}
 	if (is_upd) {
 		val = rkisp_read(dev, ISP_CTRL, false);
 		val |= CIF_ISP_CTRL_ISP_CFG_UPD;
 		rkisp_write(dev, ISP_CTRL, val, true);
 	}
+	if (is_3dlut_upd)
+		rkisp_write(dev, ISP_3DLUT_UPDATE, 1, true);
 
 	memset(csi->filt_state, 0, sizeof(csi->filt_state));
 	csi->filt_state[CSI_F_VS] = dma2frm;
diff --git a/drivers/media/platform/rockchip/isp/rkisp.c b/drivers/media/platform/rockchip/isp/rkisp.c
index 2d8e4fdb6ed4..67bb47e17fd5 100644
--- a/drivers/media/platform/rockchip/isp/rkisp.c
+++ b/drivers/media/platform/rockchip/isp/rkisp.c
@@ -2332,6 +2332,9 @@ void rkisp_isp_isr(unsigned int isp_mis,
 		else
 			dev->csi_dev.filt_state[CSI_F_VS]--;
 		if (IS_HDR_RDBK(dev->hdr.op_mode)) {
+			/* read 3d lut at isp readback */
+			if (!dev->hw_dev->is_single)
+				rkisp_write(dev, ISP_3DLUT_UPDATE, 0, true);
 			rkisp_stats_rdbk_enable(&dev->stats_vdev, true);
 			goto vs_skip;
 		}