diff --git a/drivers/ram/rockchip/sdram_rk3399.c b/drivers/ram/rockchip/sdram_rk3399.c
index 73d437347d..530c8a2f40 100644
--- a/drivers/ram/rockchip/sdram_rk3399.c
+++ b/drivers/ram/rockchip/sdram_rk3399.c
@@ -2551,8 +2551,10 @@ static int lpddr4_set_rate(struct dram_info *dram,
 		lpddr4_set_ctl(dram, params, ctl_fn,
 			       dfs_cfgs_lpddr4[ctl_fn].base.ddr_freq);
 
-		printf("%s: change freq to %d mhz %d, %d\n", __func__,
-		       dfs_cfgs_lpddr4[ctl_fn].base.ddr_freq, ctl_fn, phy_fn);
+		if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG))
+			printf("%s: change freq to %d mhz %d, %d\n", __func__,
+			       dfs_cfgs_lpddr4[ctl_fn].base.ddr_freq,
+			       ctl_fn, phy_fn);
 	}
 
 	return 0;
@@ -2966,8 +2968,10 @@ static int sdram_init(struct dram_info *dram,
 			params->base.num_channels++;
 		}
 
-		printf("Channel ");
-		printf(channel ? "1: " : "0: ");
+		if (IS_ENABLED(CONFIG_RAM_ROCKCHIP_DEBUG)) {
+			printf("Channel ");
+			printf(channel ? "1: " : "0: ");
+		}
 
 		if (channel == 0)
 			set_ddr_stride(dram->pmusgrf, 0x17);