How to configure the Weston screen orientation

Applicable for

STM32MP13x lines, STM32MP15x lines, STM32MP25x lines

Edit and change the value of the transform variable in your selected output section of the weston.ini Weston configuration file^[1] located in /etc/xdg/weston/weston.ini

vi /etc/xdg/weston/weston.ini
...
# LVDS-1 connector
[output]
name=LVDS-1
mode=preferred
transform=rotate-90
...
# DSI-1 connector
[output]
name=DSI-1
mode=preferred
...

Restart Weston ^[2]

systemctl restart weston-graphical-session

Information

Use the command modetest:

to get the exact DRM connector name for the field name= (DRM connector name examples: DSI-1, DPI-1, LVDS-1, HDMI-A-1...).
to get the supported DRM modes for the field mode= (DRM mode examples: preferred, 720x480, ...).

Please read weston-drm manpage^[3] for more details.

Warning

Make sure there are no extra spaces at the beginning or end of any lines in the weston.ini file.
Changing screen orientation may cause performance changes during graphics use cases.

1. References[edit | edit source]

[weston.ini-1] Ubuntu weston.ini manpage

[2] How to stop and start Weston

[weston-drm-3] Ubuntu weston-drm manpage

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