diff --git a/src/mainboard/google/glados/devicetree.cb b/src/mainboard/google/glados/devicetree.cb
index e9c1cac69c..4e85e21111 100644
--- a/src/mainboard/google/glados/devicetree.cb
+++ b/src/mainboard/google/glados/devicetree.cb
@@ -1,5 +1,8 @@
 chip soc/intel/skylake
 
+	# IGD Displays
+	register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
 	register "gpu_pp_up_delay_ms"		  = "200"
 	register "gpu_pp_down_delay_ms"		  = " 50"
 	register "gpu_pp_cycle_delay_ms"	  = "500"
diff --git a/src/mainboard/google/glados/dsdt.asl b/src/mainboard/google/glados/dsdt.asl
index 879e888c4e..7e3a1a2cbf 100644
--- a/src/mainboard/google/glados/dsdt.asl
+++ b/src/mainboard/google/glados/dsdt.asl
@@ -35,6 +35,7 @@ DefinitionBlock(
 		{
 			#include <soc/intel/skylake/acpi/systemagent.asl>
 			#include <soc/intel/skylake/acpi/pch.asl>
+			#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
 		}
 
 		// Dynamic Platform Thermal Framework