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mb/purism/librem_skl: Use ACPI backlight controls 

Enables ACPI backlight controls.

Change-Id: Iccf50f427b7555ee1a3ef9cc11a89d532789ac54
Signed-off-by: Benjamin Doron <benjamin.doron00@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/40145
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Wim Vervoorn <wvervoorn@eltan.com>
Reviewed-by: Frans Hendriks <fhendriks@eltan.com>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
This commit is contained in:
Benjamin Doron 2020-04-04 05:58:54 +00:00 committed by Patrick Georgi
parent d149f1db69
commit ac08c81836
3 changed files with 7 additions and 0 deletions
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1
src/mainboard/purism/librem_skl/dsdt.asl
View File

@ -24,6 +24,7 @@ DefinitionBlock(
{
#include <soc/intel/skylake/acpi/systemagent.asl>
#include <soc/intel/skylake/acpi/pch.asl>
#include <drivers/intel/gma/acpi/default_brightness_levels.asl>
}
}

3
src/mainboard/purism/librem_skl/variants/librem13v2/devicetree.cb
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@ -8,6 +8,9 @@ chip soc/intel/skylake
register "gpu_pch_backlight_pwm_hz" = "200"
# IGD Displays
register "gfx" = "GMA_STATIC_DISPLAYS(0)"
register "deep_s3_enable_ac" = "0"
register "deep_s3_enable_dc" = "0"
register "deep_s5_enable_ac" = "0"

3
src/mainboard/purism/librem_skl/variants/librem15v3/devicetree.cb
View File

@ -8,6 +8,9 @@ chip soc/intel/skylake
register "gpu_pch_backlight_pwm_hz" = "200"
# IGD Displays
register "gfx" = "GMA_STATIC_DISPLAYS(0)"
register "deep_s3_enable_ac" = "0"
register "deep_s3_enable_dc" = "0"
register "deep_s5_enable_ac" = "0"