diff --git a/system/hardware/base.py b/system/hardware/base.py
index c7c765f..90b42b2 100644
--- a/system/hardware/base.py
+++ b/system/hardware/base.py
@@ -33,6 +33,7 @@ class ThermalZone:
 class ThermalConfig:
   cpu: list[ThermalZone] | None = None
   gpu: list[ThermalZone] | None = None
+  dsp: ThermalZone | None = None
   pmic: list[ThermalZone] | None = None
   memory: ThermalZone | None = None
   intake: ThermalZone | None = None
@@ -130,6 +131,9 @@ class HardwareBase(ABC):
   def get_thermal_config(self):
     return ThermalConfig()
 
+  def set_display_power(self, on: bool):
+    pass
+
   @abstractmethod
   def set_screen_brightness(self, percentage):
     pass
diff --git a/system/hardware/tici/hardware.py b/system/hardware/tici/hardware.py
index b2d00a4..5a8e41b 100644
--- a/system/hardware/tici/hardware.py
+++ b/system/hardware/tici/hardware.py
@@ -340,6 +340,13 @@ class Tici(HardwareBase):
                          exhaust=exhaust,
                          case=case)
 
+  def set_display_power(self, on):
+    try:
+      with open("/sys/class/backlight/panel0-backlight/bl_power", "w") as f:
+        f.write("0" if on else "4")
+    except Exception:
+      pass
+
   def set_screen_brightness(self, percentage):
     try:
       with open("/sys/class/backlight/panel0-backlight/max_brightness") as f: