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-rw-r--r--src/mainboard/google/poppy/variants/nocturne/devicetree.cb3
1 files changed, 2 insertions, 1 deletions
diff --git a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
index f746c080bf..0b30caae39 100644
--- a/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
+++ b/src/mainboard/google/poppy/variants/nocturne/devicetree.cb
@@ -60,7 +60,8 @@ chip soc/intel/skylake
register "PmTimerDisabled" = "1"
register "VmxEnable" = "1"
- register "speed_shift_enable" = "1"
+ # Disable P-States
+ register "speed_shift_enable" = "0"
register "dptf_enable" = "1"
register "tdp_pl2_override" = "15"
register "psys_pmax" = "45"