Patrick Georgi submitted this change.
mb/google/volteer: Disable DPTF active policy for terrador and todor
Terrador and Todor are fanless design, so disable DPTF active policy.
BUG=b:171019363,b:170699797
BRANCH=volteer
TEST=build and verify by thermal team
Signed-off-by: David Wu <david_wu@quanta.corp-partner.google.com>
Change-Id: I53a33b8706d7a7d4013a2a5627a620223fcffc3e
Reviewed-on: https://review.coreboot.org/c/coreboot/+/46874
Reviewed-by: Paul Fagerburg <pfagerburg@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
---
M src/mainboard/google/volteer/variants/terrador/overridetree.cb
M src/mainboard/google/volteer/variants/todor/overridetree.cb
2 files changed, 6 insertions(+), 0 deletions(-)
diff --git a/src/mainboard/google/volteer/variants/terrador/overridetree.cb b/src/mainboard/google/volteer/variants/terrador/overridetree.cb
index d62a303..fbf724f 100644
--- a/src/mainboard/google/volteer/variants/terrador/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/terrador/overridetree.cb
@@ -22,6 +22,9 @@
device domain 0 on
device ref dptf on
chip drivers/intel/dptf
+ ## Disable Active Policy
+ register "policies.active" = "{[0] = {.target=DPTF_NONE}}"
+
## Passive Policy
register "policies.passive" = "{
[0] = DPTF_PASSIVE(CPU, CPU, 85, 1000),
diff --git a/src/mainboard/google/volteer/variants/todor/overridetree.cb b/src/mainboard/google/volteer/variants/todor/overridetree.cb
index d62a303..fbf724f 100644
--- a/src/mainboard/google/volteer/variants/todor/overridetree.cb
+++ b/src/mainboard/google/volteer/variants/todor/overridetree.cb
@@ -22,6 +22,9 @@
device domain 0 on
device ref dptf on
chip drivers/intel/dptf
+ ## Disable Active Policy
+ register "policies.active" = "{[0] = {.target=DPTF_NONE}}"
+
## Passive Policy
register "policies.passive" = "{
[0] = DPTF_PASSIVE(CPU, CPU, 85, 1000),
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