Power management using P-states

[This documentation is preliminary and is subject to change.]

P-state device driver interfaces (DDIs)

These device driver interfaces (DDIs) are available for the display miniport driver to implement P-states on GPU nodes:

• DxgkCbCompletePStateTransition
• DxgkDdiSetPowerPState
• DXGK_POWER_COMPONENT_P_FLAGS
• DXGK_POWER_P_COMPONENT
• DXGK_POWER_P_STATE

These DDIs are updated starting in Windows 8.1 Preview to support P-states:

• DRIVER_INITIALIZATION_DATA
• DXGK_QUERYADAPTERINFOTYPE
• DXGKRNL_INTERFACE

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Build date: 6/19/2013