Subject: [Bug 216095] sysfs: cannot create duplicate filename '/devices/platform/of-display'

From: [email-masked]
Date: Tue, 17 Jan 2023 17:07:27 +0000

https://bugzilla.kernel.org/show_bug.cgi?id=216095

--- Comment #15 from Michal Suchánek ([email-masked]) ---
You do have two outputs defined in the device tree:

/pci@f0000000/ATY,AlteracParent@10/ATY,Alterac_A@0
/pci@f0000000/ATY,AlteracParent@10/ATY,Alterac_B@1

If they correspond to a physical outputs is another question. After all if one
of the outputs exists only on some card models it would never detect a
connected screen on the cards on which the output does not physically exist and
everything will work just fine.

Here is a patch that aims to resolve the problem
https://lore.kernel.org/lkml/[email-masked]/

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