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mb/google/fatcat: Enable C1 and package C-state auto-demotion

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Remove explicit overrides for disable_c1_state_auto_demotion and
disable_package_c_state_demotion, reverting to the SoC default behavior
which allows the hardware to autonomously demote C1 and package
C-states.

BUG=b:455612673
TEST=Boot to OS on Google fatcat

Change-Id: Ica9348e668c64ac2b27f3970b23f963ba0a2e753
Signed-off-by: Bora Guvendik <bora.guvendik@intel.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/91457
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Subrata Banik <subratabanik@google.com>
This commit is contained in:
Bora Guvendik 2026-02-27 13:18:58 -08:00 • committed by Matt DeVillier
commit 13bf2d9566
1 changed files with 0 additions and 5 deletions
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5
src/mainboard/google/fatcat/variants/baseboard/fatcat/devicetree.cb
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@ -62,11 +62,6 @@ chip soc/intel/pantherlake
# Setting TCC of 100C = Tj max (110) - TCC_Offset (10)
register "tcc_offset" = "10"
# 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 Energy Reporting
register "pch_pm_energy_report_enable" = "true"