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mb/google/volteer: Add ACPI display brightness support 

Add support for ACPI display brightness controls, so that panel
adjustment is available under Windows.

TEST=build/boot Win11 on google/drobit, verify panel brightness
controls available and functional.

Change-Id: Ic0c026ae09b3fde648db4bdeb4971423953c96a1
Signed-off-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/77143
Reviewed-by: Tim Wawrzynczak <inforichland@gmail.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Matt DeVillier 2022-02-15 11:48:30 -06:00 committed by Matt DeVillier
parent 5f15e37bcd
commit bd36a313de
2 changed files with 4 additions and 1 deletions
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1
src/mainboard/google/volteer/dsdt.asl
View File

@ -28,6 +28,7 @@ DefinitionBlock(
#include <soc/intel/common/block/acpi/acpi/northbridge.asl>
#include <soc/intel/tigerlake/acpi/southbridge.asl>
#include <soc/intel/tigerlake/acpi/tcss.asl>
#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
#if CONFIG(VARIANT_HAS_MIPI_CAMERA)
#include <soc/intel/common/block/acpi/acpi/ipu.asl>
#endif

4
src/mainboard/google/volteer/variants/baseboard/devicetree.cb
View File

@ -357,7 +357,9 @@ chip soc/intel/tigerlake
register "FastPkgCRampDisable" = "1"
device domain 0 on
device ref igpu on end
device ref igpu on
register "gfx" = "GMA_DEFAULT_PANEL(0)"
end
device ref dptf on
# Default DPTF Policy for all Volteer boards if not overridden
chip drivers/intel/dptf