commit f022ff7bf377ca94367be05de61277934d42ea74
Author: Mika Westerberg <[email protected]>
Date: Mon Sep 7 12:20:36 2020 +0300
thunderbolt: Retry DROM read once if parsing fails
Kai-Heng reported that sometimes DROM parsing of ASUS PA27AC Thunderbolt 3
monitor fails. This makes the driver to fail to add the device so only
DisplayPort tunneling is functional.
It is not clear what exactly happens but waiting for 100 ms and retrying
the read seems to work this around so we do that here.
Link: https://bugzilla.kernel.org/show_bug.cgi?id=206493
Reported-by: Kai-Heng Feng <[email protected]>
Tested-by: Kai-Heng Feng <[email protected]>
Cc: [email protected]
Signed-off-by: Mika Westerberg <[email protected]>
** Tags added: oem-priority originate-from-1855796 somerville
** Tags added: originate-from-1851798
** Bug watch added: Linux Kernel Bug Tracker #206493
https://bugzilla.kernel.org/show_bug.cgi?id=206493
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https://bugs.launchpad.net/bugs/1895606
Title:
Thunderbolt3 daisy chain sometimes doesn't work
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