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authorMatt DeVillier <matt.devillier@gmail.com>2020-03-29 17:01:44 -0500
committerMatt DeVillier <matt.devillier@gmail.com>2020-04-05 16:53:09 +0000
commit11cfcdd7842146c6756ffa85667b6e7ef4958031 (patch)
tree94ed60cf7b4cacd7760fec23873938a87a4dc763
parent667d8af08adbd4f2154dfb3032698f961b9cfcdd (diff)
mb/google/cyan: Use ACPI backlight contrls
Enables ACPI backlight controls under Windows. Test: boot Win 10 on cyan and edgar variants, verify screen backlight controls available and functional. Change-Id: I8976291b5bafaec934d0bfd91fcdab50b381beec Signed-off-by: Matt DeVillier <matt.devillier@gmail.com> Reviewed-on: https://review.coreboot.org/c/coreboot/+/40120 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Angel Pons <th3fanbus@gmail.com>
-rw-r--r--src/mainboard/google/cyan/devicetree.cb3
-rw-r--r--src/mainboard/google/cyan/dsdt.asl1
2 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/cyan/devicetree.cb b/src/mainboard/google/cyan/devicetree.cb
index b13f3f9e90..91e9795f9b 100644
--- a/src/mainboard/google/cyan/devicetree.cb
+++ b/src/mainboard/google/cyan/devicetree.cb
@@ -1,5 +1,8 @@
chip soc/intel/braswell
+ # IGD Displays
+ register "gfx" = "GMA_STATIC_DISPLAYS(0)"
+
############################################################
# Set the parameters for MemoryInit
############################################################
diff --git a/src/mainboard/google/cyan/dsdt.asl b/src/mainboard/google/cyan/dsdt.asl
index 90dfa37ff5..f9f494093e 100644
--- a/src/mainboard/google/cyan/dsdt.asl
+++ b/src/mainboard/google/cyan/dsdt.asl
@@ -33,6 +33,7 @@ DefinitionBlock(
Device (PCI0)
{
#include <acpi/southcluster.asl>
+ #include <drivers/intel/gma/acpi/default_brightness_levels.asl>
#if CONFIG(BOARD_GOOGLE_TERRA)
#include <variant/acpi/cpu.asl>
#else