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

From: Dirk Gouders
Date: Fri Nov 11 2022 - 17:02:07 EST


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@xxxxxxxxxx> 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
>>