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-rw-r--r--src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb3
-rw-r--r--src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb3
2 files changed, 6 insertions, 0 deletions
diff --git a/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb
index 6fc0dc029a..7d39ece8c0 100644
--- a/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/ovis/devicetree.cb
@@ -36,6 +36,9 @@ chip soc/intel/meteorlake
# Disable C1 C-state auto-demotion
register "disable_c1_state_auto_demotion" = "1"
+ # Disable PKGC-state demotion
+ register "disable_package_c_state_demotion" = "1"
+
# Enable Energy Reporting
register "pch_pm_energy_report_enable" = "1"
diff --git a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
index ec57ee7f46..5894fe637a 100644
--- a/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
+++ b/src/mainboard/google/rex/variants/baseboard/rex/devicetree.cb
@@ -36,6 +36,9 @@ chip soc/intel/meteorlake
# Disable C1 C-state auto-demotion
register "disable_c1_state_auto_demotion" = "1"
+ # Disable PKGC-state demotion
+ register "disable_package_c_state_demotion" = "1"
+
# Enable Energy Reporting
register "pch_pm_energy_report_enable" = "1"