diff --git a/drivers/media/i2c/rk628/rk628.c b/drivers/media/i2c/rk628/rk628.c
index c486773fb834..ba03abf3a680 100644
--- a/drivers/media/i2c/rk628/rk628.c
+++ b/drivers/media/i2c/rk628/rk628.c
@@ -18,6 +18,7 @@
 #include "rk628_csi.h"
 #include "rk628_dsi.h"
 #include "rk628_hdmirx.h"
+#include "rk628_post_process.h"
 
 static const struct regmap_range rk628_cru_readable_ranges[] = {
 	regmap_reg_range(CRU_CPLL_CON0, CRU_CPLL_CON4),
@@ -493,6 +494,7 @@ void rk628_debugfs_create(struct rk628 *rk628)
 
 	rk628_debugfs_register_create(rk628);
 	rk628_dbg_en_node(rk628);
+	rk628_post_process_pattern_node(rk628);
 }
 EXPORT_SYMBOL(rk628_debugfs_create);
 
diff --git a/drivers/media/i2c/rk628/rk628.h b/drivers/media/i2c/rk628/rk628.h
index 7d693ff8fc8d..d3fc15ea4ca5 100644
--- a/drivers/media/i2c/rk628/rk628.h
+++ b/drivers/media/i2c/rk628/rk628.h
@@ -52,6 +52,8 @@
 #define GRF_AS_DSIPHY_MASK		BIT(0)
 #define GRF_AS_DSIPHY(x)		UPDATE(x, 0, 0)
 #define GRF_SCALER_CON0			0x0010
+#define SCL_COLOR_VER_EN(x)		HIWORD_UPDATE(x, 10, 10)
+#define SCL_COLOR_BAR_EN(x)		HIWORD_UPDATE(x, 9, 9)
 #define SCL_VER_DOWN_MODE(x)		HIWORD_UPDATE(x, 8, 8)
 #define SCL_HOR_DOWN_MODE(x)		HIWORD_UPDATE(x, 7, 7)
 #define SCL_BIC_COE_SEL(x)		HIWORD_UPDATE(x, 6, 5)
diff --git a/drivers/media/i2c/rk628/rk628_post_process.c b/drivers/media/i2c/rk628/rk628_post_process.c
index 97bdc4125047..f60a0e0154c2 100644
--- a/drivers/media/i2c/rk628/rk628_post_process.c
+++ b/drivers/media/i2c/rk628/rk628_post_process.c
@@ -1659,6 +1659,65 @@ static void rk628_post_process_csc(struct rk628 *rk628, bool is_output_full_rang
 	}
 }
 
+static int rk628_scaler_color_bar_show(struct seq_file *s, void *data)
+{
+	seq_puts(s, "  Enable horizontal color bar:\n");
+	seq_puts(s, "      example: echo 1 > /sys/kernel/debug/rk628/5-0050/scaler_color_bar\n");
+	seq_puts(s, "  Enable vertical color bar:\n");
+	seq_puts(s, "      example: echo 2 > /sys/kernel/debug/rk628/5-0050/scaler_color_bar\n");
+	seq_puts(s, "  Disable color bar:\n");
+	seq_puts(s, "      example: echo 0 > /sys/kernel/debug/rk628/5-0050/scaler_color_bar\n");
+
+	return 0;
+}
+
+static int rk628_scaler_color_bar_open(struct inode *inode, struct file *file)
+{
+	return single_open(file, rk628_scaler_color_bar_show, inode->i_private);
+}
+
+static ssize_t rk628_scaler_color_bar_write(struct file *file, const char __user *ubuf,
+					    size_t len, loff_t *offp)
+{
+	struct rk628 *rk628 = ((struct seq_file *)file->private_data)->private;
+	u8 mode;
+
+	if (kstrtou8_from_user(ubuf, len, 0, &mode))
+		return -EFAULT;
+
+	switch (mode) {
+	case 0:
+		rk628_i2c_write(rk628, GRF_SCALER_CON0, SCL_COLOR_BAR_EN(0));
+		break;
+	case 1:
+		rk628_i2c_write(rk628, GRF_SCALER_CON0, SCL_COLOR_BAR_EN(1));
+		rk628_i2c_write(rk628, GRF_SCALER_CON0, SCL_COLOR_VER_EN(0));
+		break;
+	case 2:
+	default:
+		rk628_i2c_write(rk628, GRF_SCALER_CON0, SCL_COLOR_BAR_EN(1));
+		rk628_i2c_write(rk628, GRF_SCALER_CON0, SCL_COLOR_VER_EN(1));
+	}
+
+	return len;
+}
+
+static const struct file_operations rk628_scaler_color_bar_fops = {
+	.owner = THIS_MODULE,
+	.open = rk628_scaler_color_bar_open,
+	.read = seq_read,
+	.write = rk628_scaler_color_bar_write,
+	.llseek = seq_lseek,
+	.release = single_release,
+};
+
+void rk628_post_process_pattern_node(struct rk628 *rk628)
+{
+	debugfs_create_file("scaler_color_bar", 0600, rk628->debug_dir,
+			    rk628, &rk628_scaler_color_bar_fops);
+}
+EXPORT_SYMBOL(rk628_post_process_pattern_node);
+
 void rk628_post_process_csc_en(struct rk628 *rk628, bool output_full_range)
 {
 	rk628_post_process_csc(rk628, output_full_range);
diff --git a/drivers/media/i2c/rk628/rk628_post_process.h b/drivers/media/i2c/rk628/rk628_post_process.h
index 6d4df6f8a4df..835f3657f379 100644
--- a/drivers/media/i2c/rk628/rk628_post_process.h
+++ b/drivers/media/i2c/rk628/rk628_post_process.h
@@ -9,5 +9,5 @@
 
 void rk628_post_process_csc_en(struct rk628 *rk628, bool output_full_range);
 void rk628_post_process_csc_dis(struct rk628 *rk628);
-
+void rk628_post_process_pattern_node(struct rk628 *rk628);
 #endif