DXGK_POWER_RUNTIME_STATE - NtDoc

Native API online documentation, based on the System Informer (formerly Process Hacker) phnt headers 
// d3dkmddi.h

typedef struct _DXGK_POWER_RUNTIME_STATE {
  ULONGLONG TransitionLatency;
  ULONGLONG ResidencyRequirement;
  ULONG     NominalPower;
} DXGK_POWER_RUNTIME_STATE;
View the official Windows Driver Kit DDI reference

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Windows Driver Kit DDI reference (ns-d3dkmddi-_dxgk_power_runtime_state)

_DXGK_POWER_RUNTIME_STATE structure

Description

Describes the characteristics of an idle state (an F-state).

Members

TransitionLatency

The amount of time, in 100-nanosecond units, that the component takes to return to the F0 state. This value should be zero for the F0 state.

ResidencyRequirement

The minimal amount of time, in 100-nanosecond units, that is required to spend in this F-state to make it worthwhile. This value should be zero for the F0 state.

NominalPower

The power draw, in microwatt units, of the component in this F-state. This value should not be zero for the F0 state.

Remarks

F-states in hardware must be defined such that a deeper F-state (higher F-value) will use less power and take longer to return to the latent F0 state.

View the official Windows Driver Kit DDI reference

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