$ grep . /sys/class/drm/*/status
/sys/class/drm/card1-DP-1/status:disconnected
/sys/class/drm/card1-DP-2/status:disconnected
/sys/class/drm/card1-DP-3/status:disconnected
/sys/class/drm/card1-DP-4/status:disconnected
/sys/class/drm/card1-DP-5/status:disconnected
/sys/class/drm/card1-eDP-1/status:connected
/sys/class/drm/card1-HDMI-A-1/status:disconnected
/sys/class/drm/card2-DP-6/status:disconnected
/sys/class/drm/card2-DP-7/status:disconnected
/sys/class/drm/card2-DP-8/status:disconnected
/sys/class/drm/card2-HDMI-A-2/status:connected

how to interpret this output? What are the "DP-<#>" and "eDP-<#>"? I
only have one HDMI port but why does it show 2 here?

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https://bugs.launchpad.net/bugs/2107684

Title:
  25.04 boots up to a black screen, both built-in and external monitors

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