diff --git a/conf/init.zumapro.board.rc b/conf/init.zumapro.board.rc
index 6c288fc..2fc685f 100644
--- a/conf/init.zumapro.board.rc
+++ b/conf/init.zumapro.board.rc
@@ -403,6 +403,8 @@ on fs
     chown system system /sys/devices/platform/exynos-drm/primary-panel/te2_option
     chown system system /sys/devices/platform/exynos-drm/primary-panel/power_state
     chown system system /sys/devices/platform/exynos-drm/primary-panel/frame_rate
+    chown system system /sys/devices/platform/exynos-drm/primary-panel/frame_interval
+    chown system system /sys/devices/platform/exynos-drm/primary-panel/expected_present_time
     chown system system /sys/module/drm/parameters/vblankoffdelay
     chown system system /sys/module/drm/parameters/debug
     chown system system /sys/class/dqe0/atc/ambient_light