How to get name and current status of a DRM connector

Applicable for

STM32MP13x lines, STM32MP15x lines

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Use the following command to get the DRM connector names and associated status:

 for p in /sys/class/drm/*/status; do con=${p%/status}; echo -n "${con#*/card?-}: "; cat $p; done

Result example:

DSI-1: connected
HDMI-A-1: connected