[Parameter 1] 4 [Parameter 2] Indicates whether a critical transition is being requested. [Parameter 4] Indicates whether the bank is in F1 due to a critical transition. [Cause of Error] PoFx requested that the GPIO controller send a bank through an inappropriate F0 power state and/or a critical transition. [Parameter 3] 
Indicates whether the bank is in F1 due to a non-critical transition.