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-rw-r--r--src/mainboard/google/brox/variants/baseboard/brox/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
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"