What: /sys/bus/pci/drivers/pcie_mp2_amd/*/hpd Date: April 2025 Contact: mario.limonciello@amd.com Description: Human presence detection (HPD) enable/disable. When HPD is enabled, the device will be able to detect the presence of a human and will send an interrupt that can be used to wake the system from a low power state. When HPD is disabled, the device will not be able to detect the presence of a human. Access: Read/Write Valid values: enabled/disabled