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-rw-r--r--src/mainboard/google/poppy/variants/nocturne/devicetree.cb4
1 files changed, 2 insertions, 2 deletions
diff --git a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
index 1d00bc2f17..32d4f55324 100644
--- a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
@@ -59,8 +59,8 @@ chip soc/intel/skylake
register "PmTimerDisabled" = "1"
register "VmxEnable" = "1"
- # Disable P-States
- register "speed_shift_enable" = "0"
+ # Set speed_shift_enable to 1 to enable P-States, and 0 to disable
+ register "speed_shift_enable" = "1"
register "dptf_enable" = "1"
register "tdp_pl2_override" = "15"
register "psys_pmax" = "45"