diff options
| author | Frank Chu <Frank_Chu@pegatron.corp-partner.google.com> | 2023-05-03 14:06:48 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-05-05 12:18:52 +0000 |
| commit | 3cb09273c1d890b955229acdb737872bcfb13819 (patch) | |
| tree | 44fa447ed0b86b12e6c9aab35547b271fe8829de /src | |
| parent | 2606acfd4b6f31ea55f702736c34e7a823ba4bfa (diff) | |
mb/google/brya/var/marasov: Disable Tccold Handshake
The patch disables Tccold Handshake to prevent possible display
flicker issue for marasov board. Please refer to Intel doc#723158
for more information.
BUG=b:279117758
BRANCH=firmware-brya-14505.B
TEST=Boot to OS on marasov.
Signed-off-by: Frank Chu <Frank_Chu@pegatron.corp-partner.google.com>
Change-Id: I286e88e5bec240d64e6c801648f6483ad2b0939c
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74931
Reviewed-by: Frank Chu <frank_chu@pegatron.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/mainboard/google/brya/variants/marasov/overridetree.cb | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/src/mainboard/google/brya/variants/marasov/overridetree.cb b/src/mainboard/google/brya/variants/marasov/overridetree.cb index 075acf8e68..dfbf3f61df 100644 --- a/src/mainboard/google/brya/variants/marasov/overridetree.cb +++ b/src/mainboard/google/brya/variants/marasov/overridetree.cb @@ -88,7 +88,7 @@ chip soc/intel/alderlake # As per Intel Advisory doc#723158, the change is required to prevent possible # display flickering issue. - register "usb2_phy_sus_pg_disable" = "1" + register "disable_dynamic_tccold_handshake" = "true" register "serial_io_i2c_mode" = "{ [PchSerialIoIndexI2C0] = PchSerialIoPci, |