Is there a reason you can't rotate the screen 180° and get rid of the HDMI adapter? Then rotate the display in your config.txt especially with then the button pcb will get in the way.... ahh, there's the rub. was thinking you could just run from a straight hdmi connector, but yeah, space is tight i...

Is there a reason you can't rotate the screen 180° and get rid of the HDMI adapter? Then rotate the display in your config.txt