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 15:50:02 -0500
From:   Lyude Paul <lyude@...hat.com>
To:     Dirk Gouders <dirk@...ders.net>
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 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
> 

-- 
Cheers,
 Lyude Paul (she/her)
 Software Engineer at Red Hat