Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/74737 )
Change subject: mb/google/brya/var/omnigul: Disable Tccold Handshake ......................................................................
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 --- M src/mainboard/google/brya/variants/omnigul/overridetree.cb 1 file changed, 26 insertions(+), 0 deletions(-)
Approvals: build bot (Jenkins): Verified Subrata Banik: Looks good to me, approved Eric Lai: Looks good to me, approved
diff --git a/src/mainboard/google/brya/variants/omnigul/overridetree.cb b/src/mainboard/google/brya/variants/omnigul/overridetree.cb index 760ee82..dd78eda 100644 --- a/src/mainboard/google/brya/variants/omnigul/overridetree.cb +++ b/src/mainboard/google/brya/variants/omnigul/overridetree.cb @@ -10,6 +10,10 @@
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 |