linux-kernel - Re: Regression bisected: drm/display/dp_mst: Move all payload info into the atomic state

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Date:   Fri, 11 Nov 2022 23:00:34 +0100
From:   Dirk Gouders <dirk@...ders.net>
To:     Lyude Paul <lyude@...hat.com>
Cc:     Linux Kernel <linux-kernel@...r.kernel.org>,
        Wayne Lin <Wayne.Lin@....com>,
        Ville Syrjälä <ville.syrjala@...ux.intel.com>,
        Fangzhi Zuo <Jerry.Zuo@....com>,
        Jani Nikula <jani.nikula@...el.com>,
        Imre Deak <imre.deak@...el.com>,
        Daniel Vetter <daniel.vetter@...ll.ch>,
        Sean Paul <sean@...rly.run>
Subject: Re: Regression bisected: drm/display/dp_mst: Move all payload info
 into the atomic state

Thank you for the pointer.  I will see if I can produce some of the
wanted logs but at the earliest tomorrow, it's almost sleeping time,
here.

Dirk

Lyude Paul <lyude@...hat.com> writes:

> Thank for letting us know! Luckily I only have good news, as we've actually
> been looking into this issue for a bit now and have made a pretty good amount
> of progress. There's pretty much only one issue left for us to fix I'm fairly
> sure:
>
> https://gitlab.freedesktop.org/drm/amd/-/issues/2171
>
> If you'd like to help, there's some logs I could use someone getting to help
> me figure out the last remaining issue here.
>
> On Thu, 2022-11-10 at 23:32 +0100, Dirk Gouders wrote:
>> Hello,
>> 
>> I noticed a regression with Linus' current tree and bisected it to
>> 4d07b0bc403403 (drm/display/dp_mst: Move all payload info into the atomic state):
>> 
>> I have two monitors connected to my laptop's USB-C port and since this
>> patch, one of the monitors remains dark.
>> 
>> Please let me know if I can provide additional information that could help
>> to investigate this problem.
>> 
>> Dirk
>>