[XS] Change in coreboot[main]: mb/google/ovis/var/deku: Set TCC_offset to 12

[Felix Held (Code Review)]

Felix Held has submitted this change. ( https://review.coreboot.org/c/coreboot/+/83971?usp=email )

Change subject: mb/google/ovis/var/deku: Set TCC_offset to 12
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mb/google/ovis/var/deku: Set TCC_offset to 12

Adjust settings as recommended by thermal team.

Set tcc_offset value to 12 in devicetree.

BUG=b:308704811
BRANCH=firmware-rex-15709.B
TEST=emerge-ovis coreboot chromeos-bootimage
     built bootleg and verified test result by thermal team

Change-Id: I0ae97bb0b2dbb2fe8f35221522506ec1f7da47f6
Signed-off-by: Tony Huang 
Reviewed-on: https://review.coreboot.org/c/coreboot/+/83971
Reviewed-by: Derek Huang 
Reviewed-by: Subrata Banik 
Reviewed-by: Sumeet R Pawnikar 
Tested-by: build bot (Jenkins) 
---
M src/mainboard/google/rex/variants/deku/overridetree.cb
1 file changed, 2 insertions(+), 2 deletions(-)

Approvals:
  Subrata Banik: Looks good to me, approved
  build bot (Jenkins): Verified
  Sumeet R Pawnikar: Looks good to me, approved
  Derek Huang: Looks good to me, approved

diff --git a/src/mainboard/google/rex/variants/deku/overridetree.cb b/src/mainboard/google/rex/variants/deku/overridetree.cb
index fcacbea..f51a0cd 100644
--- a/src/mainboard/google/rex/variants/deku/overridetree.cb
+++ b/src/mainboard/google/rex/variants/deku/overridetree.cb
@@ -27,8 +27,8 @@
    	[DDI_PORT_4] = DDI_ENABLE_HPD,
    }"

-	# Temporary setting TCC of 105C = Tj max (110) - TCC_Offset (5)
-	register "tcc_offset" = "5"
+	# Temporary setting TCC of 98C = Tj max (110) - TCC_Offset (12)
+	register "tcc_offset" = "12"

register "power_limits_config[MTL_P_682_482_CORE]" = "{
    	.tdp_pl1_override = 33,