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

bugzilla-daemon at freedesktop.org bugzilla-daemon at freedesktop.org
Fri May 24 15:20:20 UTC 2019


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

--- Comment #31 from Ville Syrjala <ville.syrjala at linux.intel.com> ---
I can't reproduce on a Gigabyte nuc like machine with Parade LSPCON.
OUI 00-1c-f8 dev-ID 175IB0 HW-rev 1.0 SW-rev 7.32

So probably either a firmware difference or the chip is wired up differently on
the boards causing it to not respond for you until HPD gets asserted. We should
probably change the lspcon code to behave more dynamically and not insist on
being able to probe the chip at driver load time.

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