![]() ![]() ![]() If the display miniport driver needs to indicate that an interruptible monitor should be connected to the video output, such as when a user enters a keyboard shortcut to switch to a television view, the driver should call the DxgkCbIndicateChildStatus function with ChildStatus. If the display miniport driver cannot determine whether a monitor is connected to the video output, the driver should emulate the behavior of an interruptible device, with the HPD awareness value set to HpdAwarenessInterruptible. ![]() The HPD awareness value is one of the DXGK_CHILD_DEVICE_HPD_AWARENESS enumerators:Ī child device that has a type of TypeVideoOutput and any HPD awareness value other than HpdAwarenessAlwaysConnected is called a video output connector. The type is one of the DXGK_CHILD_DEVICE_TYPE enumerators: During initialization, the display miniport driver's DxgkDdiQuer圜hildRelations function assigns each child device a type and an HPD awareness value. A monitor or other external display device that connects to the output is not considered a child device. The information on this page applies to graphics drivers that are implemented using a version earlier than WDDM version 2.2.Ī video output on a display adapter is considered a child device of the display adapter. ![]()
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March 2023
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