[Bug 109112] "*ERROR* Failed to probe lspcon" when HDMI isn't plugged before boot

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Wed Nov 20 07:24:29 UTC 2019


https://bugs.freedesktop.org/show_bug.cgi?id=109112

--- Comment #40 from Jani Saarinen <jani.saarinen at intel.com> ---
If you have something like:

Connector info
--------------
connector 71: type DP-1, status: connected
        name:
        physical dimensions: 640x400mm
        subpixel order: Unknown
        CEA rev: 3
        DPCD rev: 12
        audio support: yes
        DP branch device present: yes
                Type: HDMI
======>         ID: 175IB0   
                HW: 1.0
                SW: 7.32
                Max TMDS clock: 600000 kHz
                Max bpc: 12

This is Parade Chip.


If you have like...
connector 95: type DP-1, status: connected
        physical dimensions: 540x350mm
        subpixel order: Unknown
        CEA rev: 0
        DPCD rev: 12
        audio support: no
        DP branch device present: yes
                Type: HDMI
=====>          ID: MC2800
                HW: 2.2
                SW: 1.77
                Max TMDS clock: 600000 kHz
                Max bpc: 16
        HDCP version: HDCP1.4
        modes:

This is MCA

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