diff --git a/target/linux/rockchip/armv8/config-5.15 b/target/linux/rockchip/armv8/config-5.15
index d6f344a758..bc6b7b8037 100644
--- a/target/linux/rockchip/armv8/config-5.15
+++ b/target/linux/rockchip/armv8/config-5.15
@@ -20,7 +20,7 @@ CONFIG_ARM64=y
 CONFIG_ARM64_4K_PAGES=y
 CONFIG_ARM64_CNP=y
 CONFIG_ARM64_CRYPTO=y
-# CONFIG_ARM64_EPAN is not set
+CONFIG_ARM64_EPAN=y
 CONFIG_ARM64_ERRATUM_1742098=y
 CONFIG_ARM64_ERRATUM_819472=y
 CONFIG_ARM64_ERRATUM_824069=y
@@ -38,7 +38,7 @@ CONFIG_ARM64_PAN=y
 CONFIG_ARM64_PA_BITS=48
 CONFIG_ARM64_PA_BITS_48=y
 CONFIG_ARM64_PTR_AUTH=y
-# CONFIG_ARM64_PTR_AUTH_KERNEL is not set
+CONFIG_ARM64_PTR_AUTH_KERNEL=y
 CONFIG_ARM64_RAS_EXTN=y
 CONFIG_ARM64_SVE=y
 CONFIG_ARM64_TAGGED_ADDR_ABI=y
@@ -58,7 +58,7 @@ CONFIG_ARM_GIC_V3=y
 CONFIG_ARM_GIC_V3_ITS=y
 CONFIG_ARM_GIC_V3_ITS_PCI=y
 CONFIG_ARM_MHU=y
-# CONFIG_ARM_MHU_V2 is not set
+CONFIG_ARM_MHU_V2=y
 CONFIG_ARM_PSCI_CPUIDLE=y
 CONFIG_ARM_PSCI_CPUIDLE_DOMAIN=y
 CONFIG_ARM_PSCI_FW=y
@@ -115,7 +115,7 @@ CONFIG_CMA_ALIGNMENT=8
 CONFIG_CMA_AREAS=7
 # CONFIG_CMA_DEBUG is not set
 # CONFIG_CMA_DEBUGFS is not set
-CONFIG_CMA_SIZE_MBYTES=64
+CONFIG_CMA_SIZE_MBYTES=16
 # CONFIG_CMA_SIZE_SEL_MAX is not set
 CONFIG_CMA_SIZE_SEL_MBYTES=y
 # CONFIG_CMA_SIZE_SEL_MIN is not set