From e18eb0a38b3056f1eba486de530ab321d8f553ff Mon Sep 17 00:00:00 2001 From: Patrick Rudolph Date: Thu, 12 Feb 2026 07:51:02 +0100 Subject: [PATCH] mb/lenovo/sklkbl_thinkpad: Enable ACPI P-state table generation Set eist_enable to true to call generate_p_state_entries() while writing ACPI processor nodes to ACPI. Resolves: https://ticket.coreboot.org/issues/623 Change-Id: Ic8965dddc0f50ac6dbd1b0af81af546aa53fbb58 Signed-off-by: Patrick Rudolph Reviewed-on: https://review.coreboot.org/c/coreboot/+/91173 Reviewed-by: Angel Pons Tested-by: build bot (Jenkins) Reviewed-by: Paul Menzel --- src/mainboard/lenovo/sklkbl_thinkpad/devicetree.cb | 2 ++ 1 file changed, 2 insertions(+) diff --git a/src/mainboard/lenovo/sklkbl_thinkpad/devicetree.cb b/src/mainboard/lenovo/sklkbl_thinkpad/devicetree.cb index 5ec7750025..1ce50a0358 100644 --- a/src/mainboard/lenovo/sklkbl_thinkpad/devicetree.cb +++ b/src/mainboard/lenovo/sklkbl_thinkpad/devicetree.cb @@ -8,6 +8,8 @@ chip soc/intel/skylake register "PmConfigSlpSusMinAssert" = "3" # 500ms register "PmConfigSlpAMinAssert" = "3" # 2s + # Generate ACPI P-State table + register "eist_enable" = "true" device domain 0 on subsystemid 0x17aa 0x225d inherit device ref igpu on