[Unidirectional Video-Only Connection] Display Port to HDMI adapter is designed to transmit video signals only from a DisplayPort (DP) source-such as a laptop or desktop. computer-to a HDMI display like a monitor or projector.
It is unidirectional and does not support connections from HDMI to DP, nor is it compatible with VGA or USB ports.
Note it's a video-only interface and does not transmit audio signals.