mb/google/poppy: Add support for ACPI brightness controls

Change-Id: Ie7eb4c43178acff2dc5ff7c685e71990d8f353c9
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/39945
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

src/mainboard/google/poppy/dsdt.asl

@@ -41,6 +41,7 @@ DefinitionBlock(
 			#include <soc/intel/skylake/acpi/ipu.asl>
 			#include <soc/intel/skylake/acpi/systemagent.asl>
 			#include <soc/intel/skylake/acpi/pch.asl>
+			#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
 		}
 	}
 

src/mainboard/google/poppy/variants/atlas/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"	  = "600"

src/mainboard/google/poppy/variants/baseboard/devicetree.cb

@@ -1,5 +1,8 @@
 chip soc/intel/skylake
 
+	# IGD Displays
+	register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
 	# Deep Sx states
 	register "deep_s3_enable_ac" = "0"
 	register "deep_s3_enable_dc" = "0"

src/mainboard/google/poppy/variants/nami/devicetree.cb

@@ -1,5 +1,8 @@
 chip soc/intel/skylake
 
+	# IGD Displays
+	register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
 	# Deep Sx states
 	register "deep_s3_enable_ac" = "0"
 	register "deep_s3_enable_dc" = "1"

src/mainboard/google/poppy/variants/nautilus/devicetree.cb

@@ -1,5 +1,8 @@
 chip soc/intel/skylake
 
+	# IGD Displays
+	register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
 	# Deep Sx states
 	register "deep_s3_enable_ac" = "0"
 	register "deep_s3_enable_dc" = "0"

src/mainboard/google/poppy/variants/nocturne/devicetree.cb

@@ -1,5 +1,8 @@
 chip soc/intel/skylake
 
+	# IGD Displays
+	register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
 	# Deep Sx states
 	register "deep_s3_enable_ac" = "0"
 	register "deep_s3_enable_dc" = "0"

src/mainboard/google/poppy/variants/rammus/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"		  = "500"
 	register "gpu_pp_cycle_delay_ms"	  = "600"

src/mainboard/google/poppy/variants/soraka/devicetree.cb

@@ -1,5 +1,8 @@
 chip soc/intel/skylake
 
+	# IGD Displays
+	register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
 	# Deep Sx states
 	register "deep_s3_enable_ac" = "0"
 	register "deep_s3_enable_dc" = "0"