From a053bca6adcbe625e1cdff2b85c9f35da3e445b4 Mon Sep 17 00:00:00 2001 From: Seunghwan Kim Date: Thu, 2 May 2024 09:23:34 +0900 Subject: mb/google/brya/var/xol: Override TDP PL1 value Update TDP PL1 value for the DTT optimization. The new value 18W is from internal thermal/performance team. - tdp_pl1_override: 15 -> 18 (W) BUG=b:336684032 BRANCH=brya TEST=built and verified MSR PL1 value. Intel doc #614179 introduces how to check current PL values. [Original MSR PL1/PL2/PL4 register values for xol] cd /sys/class/powercap/intel-rapl/intel-rapl\:0/ grep . *power_limit* constraint_0_power_limit_uw:15000000 <= MSR PL1 (15W) constraint_1_power_limit_uw:55000000 <= MSR PL2 (55W) constraint_2_power_limit_uw:114000000 <= MSR PL4 (114W) After this patch: constraint_0_power_limit_uw:18000000 constraint_1_power_limit_uw:55000000 constraint_2_power_limit_uw:114000000 Change-Id: I28c4f099e0169e8389f63083c03023dd8338589f Signed-off-by: Seunghwan Kim Reviewed-on: https://review.coreboot.org/c/coreboot/+/82151 Reviewed-by: Eric Lai Tested-by: build bot (Jenkins) --- src/mainboard/google/brya/variants/xol/overridetree.cb | 6 ++++++ 1 file changed, 6 insertions(+) (limited to 'src/mainboard/google') diff --git a/src/mainboard/google/brya/variants/xol/overridetree.cb b/src/mainboard/google/brya/variants/xol/overridetree.cb index 6e054c5b0e..e1568f50b9 100644 --- a/src/mainboard/google/brya/variants/xol/overridetree.cb +++ b/src/mainboard/google/brya/variants/xol/overridetree.cb @@ -25,6 +25,12 @@ chip soc/intel/alderlake # display flickering issue. register "disable_dynamic_tccold_handshake" = "true" + register "power_limits_config[RPL_P_282_242_142_15W_CORE]" = "{ + .tdp_pl1_override = 18, + .tdp_pl2_override = 55, + .tdp_pl4 = 114, + }" + register "tcc_offset" = "6" # TCC of 94 register "platform_pmax" = "122" -- cgit v1.2.3