UCM-iMX95 Yocto Linux: Display

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Revision as of 15:53, 9 January 2025 by Igor (talk | contribs) (Created page with "==LVDS== The BSP supports Startec KD070HDTLA020 7" LVDS LCD panel using the '''EB-HDRLVDS''' adapter board (supplied by Compulab with the LCD panel). The interface is enabled...")
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LVDS

The BSP supports Startec KD070HDTLA020 7" LVDS LCD panel using the EB-HDRLVDS adapter board (supplied by Compulab with the LCD panel).

The interface is enabled in the default ucm-imx95.dtb device tree file.

Connect the panel to the adapter: LCD data cable to connector P7 and the touch-panel cable to connector P8.

Connect the adapter the evaluation carrier-board to LVDS and touch headers P14 and P13

The Linux device node for the LVDS display: /sys/class/drm/card0-LVDS-1 This device node contains information about the display, such as its supported modes and its current configuration.

Display Manager

Yocto uses Weston as the default display manager. It can be configured in /etc/xdg/weston/weston.ini.
For example the transform setting can be set to rotate-90, rotate-180, rotate-270, or commented out.
In order to apply the configuration, you need to: 

systemctl restart weston
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