From 7e7e569db41376d54446064d6e5152a8e82ccbdc Mon Sep 17 00:00:00 2001 From: Ashish Kumar Mishra Date: Mon, 29 Apr 2024 22:38:38 +0530 Subject: [PATCH] mb/google/brox: Disable c1 state auto-demotion Disable c1 state auto-demotion support for brox BUG=None BRANCH=None TEST=Boot brox and verify in fsp debug logs Change-Id: I18d40cd721d46fce4702cf1a943583cd41c03cf4 Signed-off-by: Ashish Kumar Mishra Reviewed-on: https://review.coreboot.org/c/coreboot/+/82104 Reviewed-by: Shelley Chen Tested-by: build bot (Jenkins) --- .../google/brox/variants/baseboard/brox/devicetree.cb | 3 +++ 1 file changed, 3 insertions(+) diff --git a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb index f901db9735..89c714d2bf 100644 --- a/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb +++ b/src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb @@ -21,6 +21,9 @@ chip soc/intel/alderlake # seen on J0 and Q0 SKUs register "disable_package_c_state_demotion" = "1" + # Disable C1 state auto-demotion for all brox baseboards + register "disable_c1_state_auto_demotion" = "1" + # DPTF enable register "dptf_enable" = "1"