diff --git a/arch/arm/configs/rockchip_linux_defconfig b/arch/arm/configs/rockchip_linux_defconfig
index 57e9ca5142ee..3a8b9886c56e 100644
--- a/arch/arm/configs/rockchip_linux_defconfig
+++ b/arch/arm/configs/rockchip_linux_defconfig
@@ -425,6 +425,7 @@ CONFIG_CPU_RK3188=y
 CONFIG_CPU_RK3288=y
 CONFIG_CPU_RK322X=y
 CONFIG_ROCKCHIP_CPUINFO=y
+CONFIG_ROCKCHIP_DMC_DEBUG=y
 CONFIG_ROCKCHIP_GRF=y
 CONFIG_ROCKCHIP_IODOMAIN=y
 CONFIG_ROCKCHIP_IPA=y