From dbe5ba8485be8808933cc38c0e207d93f543795a Mon Sep 17 00:00:00 2001 From: Sukumar Ghorai Date: Fri, 1 Nov 2024 11:09:04 -0700 Subject: mb/google/fatcat: Disable package c-state auto-demotion Package C-state auto demotion feature allows hardware to determine lower C-state as per platform policy. Since platform sets performance policy to balanced from hardware, auto demotion can be disabled without performance impact. TEST=Build fatcat and check the platform boots without an issue. Change-Id: I01f2cb8ac1093ae98cc076e35ad1924baa53aa59 Signed-off-by: Sukumar Ghorai Reviewed-on: https://review.coreboot.org/c/coreboot/+/84956 Tested-by: build bot (Jenkins) Reviewed-by: Jamie Ryu Reviewed-by: Subrata Banik --- src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb | 2 ++ 1 file changed, 2 insertions(+) (limited to 'src/mainboard/google') diff --git a/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb b/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb index 1b1fc73df9..a81f35e52c 100644 --- a/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb +++ b/src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb @@ -39,6 +39,8 @@ chip soc/intel/pantherlake # TODO: Safe Setting. Needs to be removed later # Disable C1 C-state auto-demotion register "disable_c1_state_auto_demotion" = "true" + # Disable PKGC-state auto-demotion + register "disable_package_c_state_demotion" = "true" # Enable CNVi BT register "cnvi_bt_core" = "true" -- cgit v1.2.3