From acb58d7f88230d7ae67e805f32090810b623c34c Mon Sep 17 00:00:00 2001
From: Morris Hsu <morris-hsu@quanta.corp-partner.google.com>
Date: Fri, 24 Feb 2023 14:42:41 +0800
Subject: [PATCH] mb/google/brask/var/constitution: Enable Fast VMode for
 constitution

Fast VMode makes the SoC throttle when the current exceeds the I_TRIP
threshold.

TEST=FW_NAME=constitution emerge-brask coreboot

Change-Id: I1e68f708b7740567e24f8a3ddb9832aeec7ee6b5
Signed-off-by: Morris Hsu <morris-hsu@quanta.corp-partner.google.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/73247
Reviewed-by: David Wu <david_wu@quanta.corp-partner.google.com>
Reviewed-by: Pablo Ceballos <pceballos@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Eric Lai <eric_lai@quanta.corp-partner.google.com>
---
 .../google/brya/variants/constitution/overridetree.cb         | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/mainboard/google/brya/variants/constitution/overridetree.cb b/src/mainboard/google/brya/variants/constitution/overridetree.cb
index 0844c83ada..8ed61c02f3 100644
--- a/src/mainboard/google/brya/variants/constitution/overridetree.cb
+++ b/src/mainboard/google/brya/variants/constitution/overridetree.cb
@@ -1,4 +1,8 @@
 chip soc/intel/alderlake
+	register "domain_vr_config[VR_DOMAIN_IA]" = "{
+		.enable_fast_vmode = 1,
+	}"
+
 	register "sagv" = "SaGv_Enabled"
 
 	register "usb2_ports[3]" = "USB2_PORT_MID(OC_SKIP)"	# HDMI-IN