Matt DeVillier has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/58187 )
Change subject: purism/librem_bdw: add support for ACPI brightness controls ......................................................................
purism/librem_bdw: add support for ACPI brightness controls
Test: build/boot Purism Librem 13v1, verify brightness controls work under Windows with Tianocore payload.
Change-Id: I27d04655adcd4a5dd42b025cfccb508cfd7aaeae Signed-off-by: Matt DeVillier matt.devillier@gmail.com --- M src/mainboard/purism/librem_bdw/devicetree.cb M src/mainboard/purism/librem_bdw/dsdt.asl 2 files changed, 4 insertions(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/87/58187/1
diff --git a/src/mainboard/purism/librem_bdw/devicetree.cb b/src/mainboard/purism/librem_bdw/devicetree.cb index b35d984..e8a03a3 100644 --- a/src/mainboard/purism/librem_bdw/devicetree.cb +++ b/src/mainboard/purism/librem_bdw/devicetree.cb @@ -1,5 +1,8 @@ chip soc/intel/broadwell
+ # IGD Displays + register "gfx" = "GMA_STATIC_DISPLAYS(0)" + # Enable eDP Hotplug with 6ms pulse register "gpu_dp_d_hotplug" = "0x06"
diff --git a/src/mainboard/purism/librem_bdw/dsdt.asl b/src/mainboard/purism/librem_bdw/dsdt.asl index 2ef0085..1179f0c 100644 --- a/src/mainboard/purism/librem_bdw/dsdt.asl +++ b/src/mainboard/purism/librem_bdw/dsdt.asl @@ -24,6 +24,7 @@ { #include <northbridge/intel/haswell/acpi/hostbridge.asl> #include <soc/intel/broadwell/pch/acpi/pch.asl> + #include <drivers/intel/gma/acpi/default_brightness_levels.asl> } }