@duncan_bayne maybe of interest, in the board for the Foundation's Laptop Project:
― Put a specific laptop model into S4 hibernation <https://github.com/orgs/FreeBSDFoundation/projects/1/views/4?pane=issue&itemId=88118534&issue=FreeBSDFoundation%7Cproj-laptop%7C29>
― Implement s2idle low power state <https://github.com/orgs/FreeBSDFoundation/projects/1/views/4?pane=issue&itemId=88143979&issue=FreeBSDFoundation%7Cproj-laptop%7C35>
― Implement S0ix low power states — <https://github.com/orgs/FreeBSDFoundation/projects/1/views/4?pane=issue&itemId=88119601&issue=FreeBSDFoundation%7Cproj-laptop%7C32>.
