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authorJoey Peng <joey.peng@lcfc.corp-partner.google.com>2023-03-02 15:25:01 +0800
committerNick Vaccaro <nvaccaro@google.com>2023-03-07 00:10:41 +0000
commit5627ba15cfb58b38beb663681ffd8355f8f5b369 (patch)
tree605b51dc2a1c55ae6fe59f59ee0b544066d2a7bc
parent6da86da59a1ce2a40058ed70bd00f074500984c1 (diff)
mb/google/brya/var/taeko: Enable Fast VMode for taeko
Fast VMode makes the SoC throttle when the current exceeds the I_TRIP threshold. BUG=b:270242461 BRANCH=firmware-brya-14505.B TEST=Verify that the feature is enabled by reading from fsp log Signed-off-by: Joey Peng <joey.peng@lcfc.corp-partner.google.com> Change-Id: I82c2016d9dfb39ff7b372815737d4ae62875340c Reviewed-on: https://review.coreboot.org/c/coreboot/+/73373 Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com> Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Nick Vaccaro <nvaccaro@google.com>
-rw-r--r--src/mainboard/google/brya/variants/taeko/overridetree.cb4
1 files changed, 4 insertions, 0 deletions
diff --git a/src/mainboard/google/brya/variants/taeko/overridetree.cb b/src/mainboard/google/brya/variants/taeko/overridetree.cb
index e13da23416..00d7e69b03 100644
--- a/src/mainboard/google/brya/variants/taeko/overridetree.cb
+++ b/src/mainboard/google/brya/variants/taeko/overridetree.cb
@@ -44,6 +44,10 @@ fw_config
end
end
chip soc/intel/alderlake
+ register "domain_vr_config[VR_DOMAIN_IA]" = "{
+ .enable_fast_vmode = 1,
+ }"
+
# As per Intel Advisory doc#723158, the change is required to prevent possible
# display flickering issue.
register "usb2_phy_sus_pg_disable" = "1"