diff --git a/caas/config-lts/linux-intel-lts2021/x86_64_defconfig b/caas/config-lts/linux-intel-lts2021/x86_64_defconfig
index d054047b5..f974148fe 100644
--- a/caas/config-lts/linux-intel-lts2021/x86_64_defconfig
+++ b/caas/config-lts/linux-intel-lts2021/x86_64_defconfig
@@ -589,7 +589,7 @@ CONFIG_CPU_IDLE_GOV_MENU=y
 # CONFIG_CPU_IDLE_GOV_TEO is not set
 # end of CPU Idle
 
-# CONFIG_INTEL_IDLE is not set
+CONFIG_INTEL_IDLE=y
 # end of Power management and ACPI options
 
 #
diff --git a/caas_cfc/config-lts/linux-intel-lts2021/x86_64_defconfig b/caas_cfc/config-lts/linux-intel-lts2021/x86_64_defconfig
index d054047b5..f974148fe 100644
--- a/caas_cfc/config-lts/linux-intel-lts2021/x86_64_defconfig
+++ b/caas_cfc/config-lts/linux-intel-lts2021/x86_64_defconfig
@@ -589,7 +589,7 @@ CONFIG_CPU_IDLE_GOV_MENU=y
 # CONFIG_CPU_IDLE_GOV_TEO is not set
 # end of CPU Idle
 
-# CONFIG_INTEL_IDLE is not set
+CONFIG_INTEL_IDLE=y
 # end of Power management and ACPI options
 
 #
diff --git a/celadon_ivi/BoardConfig.mk b/celadon_ivi/BoardConfig.mk
index 9b3761616..bf3befc73 100644
--- a/celadon_ivi/BoardConfig.mk
+++ b/celadon_ivi/BoardConfig.mk
@@ -323,7 +323,6 @@ BOARD_KERNEL_CMDLINE += \
 	intel_iommu=off \
 	i915.enable_pvmmio=0 \
 	loop.max_part=7 \
-	idle=halt
 
 # for ramoops
 ifneq ($(TARGET_BUILD_VARIANT),user)
diff --git a/celadon_ivi/config-lts/linux-intel-lts2021/x86_64_defconfig b/celadon_ivi/config-lts/linux-intel-lts2021/x86_64_defconfig
index d054047b5..f974148fe 100644
--- a/celadon_ivi/config-lts/linux-intel-lts2021/x86_64_defconfig
+++ b/celadon_ivi/config-lts/linux-intel-lts2021/x86_64_defconfig
@@ -589,7 +589,7 @@ CONFIG_CPU_IDLE_GOV_MENU=y
 # CONFIG_CPU_IDLE_GOV_TEO is not set
 # end of CPU Idle
 
-# CONFIG_INTEL_IDLE is not set
+CONFIG_INTEL_IDLE=y
 # end of Power management and ACPI options
 
 #
diff --git a/celadon_tablet/config-lts/linux-intel-lts2021/x86_64_defconfig b/celadon_tablet/config-lts/linux-intel-lts2021/x86_64_defconfig
index d054047b5..f974148fe 100644
--- a/celadon_tablet/config-lts/linux-intel-lts2021/x86_64_defconfig
+++ b/celadon_tablet/config-lts/linux-intel-lts2021/x86_64_defconfig
@@ -589,7 +589,7 @@ CONFIG_CPU_IDLE_GOV_MENU=y
 # CONFIG_CPU_IDLE_GOV_TEO is not set
 # end of CPU Idle
 
-# CONFIG_INTEL_IDLE is not set
+CONFIG_INTEL_IDLE=y
 # end of Power management and ACPI options
 
 #