EDIT: Yeah that process (at least on pre-turing cards) keeps the NVIDIA card powered on,the card only power off when there is no process in the GPU.
It can powered off at least for me,but the thing is,I don’t know why its working for me with a pascal card when supposedly is not supported on Linux unless you have the Runtime D3 support.
I really want to know why its working because I was helping another guy and it can’t turn off their NVIDIA card too.