diff options
| author | Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com> | 2023-04-25 14:28:48 +0800 |
|---|---|---|
| committer | Felix Held <felix-coreboot@felixheld.de> | 2023-04-26 12:06:03 +0000 |
| commit | 87389bcb5eb2a2aa032f28518f3ccb642118a634 (patch) | |
| tree | 803471f7334ea9157ccddc7e54089782f4638a93 /src/mainboard | |
| parent | 854bd492fcfa01901fbf8ac39b539b55a7b45ba5 (diff) | |
mb/google/brya/var/omnigul: Disable Tccold Handshake
The patch disables Tccold Handshake to prevent possible display
flicker issue for Omnigul board. Please refer to Intel doc#723158
for more information.
BUG=b:279539826
BRANCH=firmware-brya-14505.B
TEST=Verify the build for Omnigul board
Change-Id: I04e54df5afe09c12e1cf774445d57e13ffd8819e
Signed-off-by: Dtrain Hsu <dtrain_hsu@compal.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/74737
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
Diffstat (limited to 'src/mainboard')
| -rw-r--r-- | src/mainboard/google/brya/variants/omnigul/overridetree.cb | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/omnigul/overridetree.cb b/src/mainboard/google/brya/variants/omnigul/overridetree.cb index 760ee82fcd..dd78eda680 100644 --- a/src/mainboard/google/brya/variants/omnigul/overridetree.cb +++ b/src/mainboard/google/brya/variants/omnigul/overridetree.cb @@ -10,6 +10,10 @@ chip soc/intel/alderlake register "sagv" = "SaGv_Enabled" + # As per Intel Advisory doc#723158, the change is required to prevent possible + # display flickering issue. + register "disable_dynamic_tccold_handshake" = "true" + # Intel Common SoC Config #+-------------------+---------------------------+ #| Field | Value | |