mb/google/eve: Use ACPI backlight controls
Enables backlight control under Windows.
Test: build/boot eve, verify screen backlight controls
available and functional under Windows 10.
Change-Id: Id4477d2ec71aefb4c9d2ead31cd5fd3bfad51981
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40122
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>
diff --git a/src/mainboard/google/eve/devicetree.cb b/src/mainboard/google/eve/devicetree.cb
index 50f9114..564b45d 100644
--- a/src/mainboard/google/eve/devicetree.cb
+++ b/src/mainboard/google/eve/devicetree.cb
@@ -1,5 +1,8 @@
chip soc/intel/skylake
+ # IGD Displays
+ register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
register "gpu_pp_up_delay_ms" = "100"
register "gpu_pp_down_delay_ms" = "500"
register "gpu_pp_cycle_delay_ms" = "500"