I have the latest Ubuntu Mate installed and have a 10.1" LCD display connected via HDMI. This display appears identical, including driver board, to the Adafruit display. The display is working., but I am trying to rotate the display 180 degrees as it is upside down in my installation. I added the following to the config,txt file:
On power up, the display is not rotated, and checking the runtime value with:
vcgencmd get_config display_rotate yields
So it is not getting set for some reason. I have also tried using:
Any help or suggestions would be appreciated.