diff --git a/prebuilts/api/30.0/private/compat/29.0/29.0.ignore.cil b/prebuilts/api/30.0/private/compat/29.0/29.0.ignore.cil
index 1ca89e1..a60df7f 100644
--- a/prebuilts/api/30.0/private/compat/29.0/29.0.ignore.cil
+++ b/prebuilts/api/30.0/private/compat/29.0/29.0.ignore.cil
@@ -95,6 +95,7 @@
     soundtrigger_middleware_service
     staged_install_file
     storage_config_prop
+    surfaceflinger_display_prop
     sysfs_dm_verity
     system_adbd_prop
     system_config_service
diff --git a/prebuilts/api/30.0/private/property_contexts b/prebuilts/api/30.0/private/property_contexts
index 10f029f..32f5e1b 100644
--- a/prebuilts/api/30.0/private/property_contexts
+++ b/prebuilts/api/30.0/private/property_contexts
@@ -256,3 +256,6 @@
 init.userspace_reboot.started.timeoutmillis u:object_r:userspace_reboot_config_prop:s0 exact int
 init.userspace_reboot.userdata_remount.timeoutmillis u:object_r:userspace_reboot_config_prop:s0 exact int
 init.userspace_reboot.watchdog.timeoutmillis u:object_r:userspace_reboot_config_prop:s0 exact int
+
+# vendor-init-settable
+graphics.display.kernel_idle_timer.enabled u:object_r:surfaceflinger_display_prop:s0 exact bool
diff --git a/prebuilts/api/30.0/private/surfaceflinger.te b/prebuilts/api/30.0/private/surfaceflinger.te
index cf709df..36c39d6 100644
--- a/prebuilts/api/30.0/private/surfaceflinger.te
+++ b/prebuilts/api/30.0/private/surfaceflinger.te
@@ -58,6 +58,9 @@
 set_prop(surfaceflinger, exported3_system_prop)
 set_prop(surfaceflinger, ctl_bootanim_prop)
 
+# Get properties
+get_prop(surfaceflinger, surfaceflinger_display_prop)
+
 # Use open files supplied by an app.
 allow surfaceflinger appdomain:fd use;
 allow surfaceflinger { app_data_file privapp_data_file }:file { read write };
diff --git a/prebuilts/api/30.0/private/system_app.te b/prebuilts/api/30.0/private/system_app.te
index 0b77bb3..1e91be0 100644
--- a/prebuilts/api/30.0/private/system_app.te
+++ b/prebuilts/api/30.0/private/system_app.te
@@ -57,6 +57,8 @@
 auditallow system_app exported_system_radio_prop:property_service set;
 # Allow Settings to enable Dynamic System Update
 set_prop(system_app, dynamic_system_prop)
+# Allow Settings to config display kernel idle timer
+set_prop(system_app, surfaceflinger_display_prop)
 
 # ctl interface
 set_prop(system_app, ctl_default_prop)
diff --git a/prebuilts/api/30.0/public/property.te b/prebuilts/api/30.0/public/property.te
index 1bcc208..683d871 100644
--- a/prebuilts/api/30.0/public/property.te
+++ b/prebuilts/api/30.0/public/property.te
@@ -165,6 +165,7 @@
 system_public_prop(powerctl_prop)
 system_public_prop(radio_prop)
 system_public_prop(serialno_prop)
+system_public_prop(surfaceflinger_display_prop)
 system_public_prop(system_prop)
 system_public_prop(wifi_log_prop)
 system_public_prop(wifi_prop)
@@ -607,3 +608,11 @@
 } {
   graphics_config_prop
 }:property_service set;
+
+neverallow {
+  -init
+  -vendor_init
+  -system_app
+} {
+  surfaceflinger_display_prop
+}:property_service set;
diff --git a/prebuilts/api/30.0/public/vendor_init.te b/prebuilts/api/30.0/public/vendor_init.te
index c070dff..2d091e7 100644
--- a/prebuilts/api/30.0/public/vendor_init.te
+++ b/prebuilts/api/30.0/public/vendor_init.te
@@ -234,6 +234,7 @@
 set_prop(vendor_init, rebootescrow_hal_prop)
 set_prop(vendor_init, serialno_prop)
 set_prop(vendor_init, storage_config_prop)
+set_prop(vendor_init, surfaceflinger_display_prop)
 set_prop(vendor_init, userspace_reboot_config_prop)
 set_prop(vendor_init, vehicle_hal_prop)
 set_prop(vendor_init, vendor_default_prop)
diff --git a/private/compat/29.0/29.0.ignore.cil b/private/compat/29.0/29.0.ignore.cil
index 1d4216c..4a781ce 100644
--- a/private/compat/29.0/29.0.ignore.cil
+++ b/private/compat/29.0/29.0.ignore.cil
@@ -99,6 +99,7 @@
     soundtrigger_middleware_service
     staged_install_file
     storage_config_prop
+    surfaceflinger_display_prop
     sysfs_dm_verity
     system_adbd_prop
     system_config_service
diff --git a/private/property.te b/private/property.te
index 1aa4ddf..c5a4f83 100644
--- a/private/property.te
+++ b/private/property.te
@@ -406,3 +406,12 @@
 } {
   graphics_config_prop
 }:property_service set;
+
+neverallow {
+  -init
+  -vendor_init
+  -system_app
+} {
+  surfaceflinger_display_prop
+}:property_service set;
+
diff --git a/private/property_contexts b/private/property_contexts
index 2489c13..bab2a1a 100644
--- a/private/property_contexts
+++ b/private/property_contexts
@@ -858,3 +858,7 @@
 # Graphics related properties
 graphics.gpu.profiler.support          u:object_r:graphics_config_prop:s0 exact bool
 graphics.gpu.profiler.vulkan_layer_apk u:object_r:graphics_config_prop:s0 exact string
+
+# vendor-init-settable
+graphics.display.kernel_idle_timer.enabled u:object_r:surfaceflinger_display_prop:s0 exact bool
+
diff --git a/private/surfaceflinger.te b/private/surfaceflinger.te
index 973350e..a160246 100644
--- a/private/surfaceflinger.te
+++ b/private/surfaceflinger.te
@@ -57,6 +57,9 @@
 set_prop(surfaceflinger, exported3_system_prop)
 set_prop(surfaceflinger, ctl_bootanim_prop)
 
+# Get properties
+get_prop(surfaceflinger, surfaceflinger_display_prop)
+
 # Use open files supplied by an app.
 allow surfaceflinger appdomain:fd use;
 allow surfaceflinger { app_data_file privapp_data_file }:file { read write };
diff --git a/private/system_app.te b/private/system_app.te
index e160ff4..18d4a87 100644
--- a/private/system_app.te
+++ b/private/system_app.te
@@ -57,6 +57,8 @@
 auditallow system_app usb_prop:property_service set;
 # Allow Settings to enable Dynamic System Update
 set_prop(system_app, dynamic_system_prop)
+# Allow Settings to config display kernel idle timer
+set_prop(system_app, surfaceflinger_display_prop)
 
 # ctl interface
 set_prop(system_app, ctl_default_prop)
diff --git a/public/property.te b/public/property.te
index 8c98974..3248c2b 100644
--- a/public/property.te
+++ b/public/property.te
@@ -169,6 +169,7 @@
 system_public_prop(radio_prop)
 system_public_prop(serialno_prop)
 system_public_prop(surfaceflinger_color_prop)
+system_public_prop(surfaceflinger_display_prop)
 system_public_prop(system_prop)
 system_public_prop(telephony_status_prop)
 system_public_prop(usb_control_prop)
@@ -278,3 +279,4 @@
 typeattribute system_prop        core_property_type;
 typeattribute usb_prop           core_property_type;
 typeattribute vold_prop          core_property_type;
+
diff --git a/public/vendor_init.te b/public/vendor_init.te
index 30eba23..c7a3a20 100644
--- a/public/vendor_init.te
+++ b/public/vendor_init.te
@@ -233,6 +233,7 @@
 set_prop(vendor_init, serialno_prop)
 set_prop(vendor_init, surfaceflinger_color_prop)
 set_prop(vendor_init, usb_control_prop)
+set_prop(vendor_init, surfaceflinger_display_prop)
 set_prop(vendor_init, userspace_reboot_config_prop)
 set_prop(vendor_init, vehicle_hal_prop)
 set_prop(vendor_init, vendor_default_prop)