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-rw-r--r--src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb3
1 files changed, 3 insertions, 0 deletions
diff --git a/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb b/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
index f8f61a5611..17a92a8ef5 100644
--- a/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
+++ b/src/mainboard/intel/mtlrvp/variants/baseboard/mtlrvp_p/devicetree.cb
@@ -52,6 +52,9 @@ chip soc/intel/meteorlake
# Enable S0ix
register "s0ix_enable" = "1"
+ # Disable C1 C-state auto-demotion
+ register "disable_c1_state_auto_demotion" = "1"
+
# Enable energy reporting
register "pch_pm_energy_report_enable" = "1"