Karthik Ramasubramanian has uploaded this change for review. ( https://review.coreboot.org/c/coreboot/+/83152?usp=email )
Change subject: mb/google/brox: Add default ACPI brightness levels ......................................................................
mb/google/brox: Add default ACPI brightness levels
Kernel need the default brightness steps. Otherwise following error messages are observed in the kernel: [Firmware Bug]: ACPI(GFX0) defines _DOD but not _DOS ACPI BIOS Error (bug): Could not resolve symbol [^^XBCL], AE_NOT_FOUND ACPI Error: Aborting method _SB.PCI0.GFX0.LCD0._BCL due to previous error (AE_NOT_FOUND)
BUG=b:346807006 TEST=Build Brox BIOS image and boot to OS. Ensure that the concerned error messages are resolved. Ensure that the backlight controls are functional.
Change-Id: Icd569b0efef31908edb1b7dc384e60a16fc5bd0c Signed-off-by: Karthikeyan Ramasubramanian kramasub@google.com --- M src/mainboard/google/brox/dsdt.asl 1 file changed, 1 insertion(+), 0 deletions(-)
git pull ssh://review.coreboot.org:29418/coreboot refs/changes/52/83152/1
diff --git a/src/mainboard/google/brox/dsdt.asl b/src/mainboard/google/brox/dsdt.asl index 6ae4694..30e9fe1 100644 --- a/src/mainboard/google/brox/dsdt.asl +++ b/src/mainboard/google/brox/dsdt.asl @@ -26,6 +26,7 @@ #include <soc/intel/common/block/acpi/acpi/northbridge.asl> #include <soc/intel/alderlake/acpi/southbridge.asl> #include <soc/intel/alderlake/acpi/tcss.asl> + #include <drivers/intel/gma/acpi/default_brightness_levels.asl> } }