diff --git a/drivers/media/platform/rockchip/isp/csi.c b/drivers/media/platform/rockchip/isp/csi.c
index 4e7d28f3fe67..cb64f02110a0 100644
--- a/drivers/media/platform/rockchip/isp/csi.c
+++ b/drivers/media/platform/rockchip/isp/csi.c
@@ -666,7 +666,10 @@ int rkisp_csi_config_patch(struct rkisp_device *dev)
 	if (dev->isp_ver >= ISP_V30)
 		rkisp_unite_set_bits(dev, CTRL_SWS_CFG, 0, ISP3X_SW_ACK_FRM_PRO_DIS,
 				     true, dev->hw_dev->is_unite);
-
+	/* line counter from isp out, default from mp out */
+	if (dev->isp_ver == ISP_V32_L)
+		rkisp_unite_set_bits(dev, CTRL_SWS_CFG, 0, ISP32L_ISP2ENC_CNT_MUX,
+				     true, dev->hw_dev->is_unite);
 	dev->rdbk_cnt = -1;
 	dev->rdbk_cnt_x1 = -1;
 	dev->rdbk_cnt_x2 = -1;
diff --git a/drivers/media/platform/rockchip/isp/regs_v3x.h b/drivers/media/platform/rockchip/isp/regs_v3x.h
index 60ab10e66291..b9e8b424c2fd 100644
--- a/drivers/media/platform/rockchip/isp/regs_v3x.h
+++ b/drivers/media/platform/rockchip/isp/regs_v3x.h
@@ -1870,6 +1870,7 @@
 #define ISP32_BRSZ_CLK_ENABLE		BIT(13)
 
 /* SWS_CFG */
+#define ISP32L_ISP2ENC_CNT_MUX		BIT(0)
 #define ISP3X_SW_ACK_FRM_PRO_DIS	BIT(3)
 #define ISP3X_3A_DDR_WRITE_EN		BIT(24)
 #define ISP3X_SW_MIPI2ISP_FIFO_DIS	BIT(25)