From 2b1809e026f2ba4b9b54dcee9db07b4b7a2b5e6f Mon Sep 17 00:00:00 2001 From: Bora Guvendik Date: Tue, 9 Sep 2025 11:41:50 -0700 Subject: [PATCH] mb/google/fatcat: Increase Fast VMode I_TRIP threshold to 63A Change I_TRIP value from 38A to 63A. Reference: Intel doc 861712 Bug=none TEST=Boot to OS and verify I_TRIP value via boot logs Before: IccLimit[0] : 0x98 After: IccLimit[0] : 0xFC Change-Id: I88687bd481f6e8fc7ef0c9289e7066e59b2a8ea5 Signed-off-by: Bora Guvendik Reviewed-on: https://review.coreboot.org/c/coreboot/+/89125 Reviewed-by: Subrata Banik Tested-by: build bot (Jenkins) --- .../google/fatcat/variants/baseboard/fatcat/devicetree.cb | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb b/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb index 68bf4a112e..a097ea7142 100644 --- a/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb +++ b/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb @@ -91,7 +91,7 @@ chip soc/intel/pantherlake [VR_DOMAIN_SA] = 38 * 4 }" register "fast_vmode_i_trip[PTL_U_2_CORE]" = "{ - [VR_DOMAIN_IA] = 38 * 4, + [VR_DOMAIN_IA] = 63 * 4, [VR_DOMAIN_GT] = 38 * 4, [VR_DOMAIN_SA] = 38 * 4 }"