> DP has a HDMI compatibility mode that allows a DP output to output a HDMI signal, but at the wrong voltage. The external adapters are just level shifters to bring the signal voltages into compliance with HDMI, but their entirety passive devices.
That's DP++, which is not supported on all DP outputs, and notably is not supported by the USB-C DP AltMode.
That's DP++, which is not supported on all DP outputs, and notably is not supported by the USB-C DP AltMode.