diff options
| author | John Zhao <john.zhao@intel.com> | 2020-06-22 09:30:47 -0700 |
|---|---|---|
| committer | Patrick Georgi <pgeorgi@google.com> | 2020-06-24 11:53:10 +0000 |
| commit | 8528867088833b826aaa326fca4d839142401246 (patch) | |
| tree | 46fb1d3286845ab62c9bb7f7d8e9a24c49c9c250 | |
| parent | fac2893584514afb1d64e71167a8564d1da26c26 (diff) | |
soc/intel/tigerlake: Fix unresolved symbol CDW1 error
The dmesg shows unresolved symbol CDW1 with AE_NOT_FOUND error after
booting to kernel. Fix the error by properly creating the buffer field
CDW1 to cover all errors scenarios.
BUG=b:140645231
TEST=Verified no AE_NOT_FOUND error related to \_SB.OSC.CDW1.
Signed-off-by: John Zhao <john.zhao@intel.com>
Change-Id: Ibfe677f87736ce1930e06b9cd649791977116012
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42693
Reviewed-by: Tim Wawrzynczak <twawrzynczak@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
| -rw-r--r-- | src/soc/intel/tigerlake/acpi/tcss.asl | 5 |
1 files changed, 3 insertions, 2 deletions
diff --git a/src/soc/intel/tigerlake/acpi/tcss.asl b/src/soc/intel/tigerlake/acpi/tcss.asl index 2fda69320e..3f51ecc8c1 100644 --- a/src/soc/intel/tigerlake/acpi/tcss.asl +++ b/src/soc/intel/tigerlake/acpi/tcss.asl @@ -159,13 +159,14 @@ Scope (\_SB) * control of the respectively capabilities or features. */ Name (CTRL, 0) /* Control field value */ + CreateDWordField (Arg3, 0, CDW1) If (Arg0 == ToUUID("23A0D13A-26AB-486C-9C5F-0FFA525A575A")) { - CreateDWordField(Arg3, 0, CDW1) - CreateDWordField(Arg3, 2, CDW3) + CreateDWordField (Arg3, 2, CDW3) CTRL = CDW3 If (Arg1 != REVISION_ID) { CDW1 |= UNRECOGNIZED_REVISION + Return (Arg3) } CTRL |= USB_TUNNELING | DISPLAY_PORT_TUNNELING | PCIE_TUNNELING | INTER_DOMAIN_USB4_INTERNET_PROTOCOL |