I would like to rotate the screen and touch overlay on my ViewSonic TD2455 connected to a Raspberry Pi 4b (4GB) running Ubuntu raspi 22.04 5.19.0-1015-raspi aarch64.
I have tried all the usual suspects without success. I modified /boot/firmware/config.txt and added:
lcd_rotate=1
since I want to rotate both the screen and touch overlay alignment. After that didn't work, I tried using various xrandr commands to rotate, but received the following error:
$ xrandr -o left
X Error of failed request: BadMatch (invalid parameter attributes)
Major opcode of failed request: 140 (RANDR)
Minor opcode of failed request: 2 (RRSetScreenConfig)
Serial number of failed request: 14
Current serial number in output stream: 14
I also installed arandr to attempt using the X GUI interface. My monitor shows up as default but options for changing the orientation are grayed out except for normal.
I next tried the Ubuntu settings app for Displays. Changes made here never actually changed the screen orientation and the settings always reverted back to Landscape.
Finally, I ran through all of the above again after moving the HDMI cable to the other HDMI output port on the pi4.
I suspect the video driver being loaded is to blame but I'm unsure which driver should be used for my particular touchscreen. BTW, the touchscreen is connected via HDMI and USB-A. It supports usb-c for video, touch, and power but unfortunately, the pi4 does not have the appropriate port.
Would be grateful for any help.
