[Public] Thanks! Then I think we need a multi step process to fix this: 1) We'll need to discuss queuing that patch up for 6.3-rc7 2) Assuming it's queued up and landed then a separate send to stable for 6.2.y (and evaluate it going to 6.1.y too). Thanks, > -----Original Message----- > From: Veronika Schwan <veronika@xxxxxxxxxxxxxxxxx> > Sent: Tuesday, April 11, 2023 09:51 > To: Limonciello, Mario <Mario.Limonciello@xxxxxxx>; Zuo, Jerry > <Jerry.Zuo@xxxxxxx> > Cc: stable@xxxxxxxxxxxxxxx > Subject: Re: Regression in 6.2.10 monitors connected via MST hub stay black > > I applied the patch to 6.2.10 and it works. > > To be able to apply it, I had to adapt slightly (renamed > 'mst_output_port' to 'port'). I attached the patch I applied. > > Thanks you for working on the issue! > > On 11/04/2023 02.47, Mario Limonciello wrote: > > That's great, thanks! So we do have a path to getting this fixed > > without a revert then, it just might be a few steps. > > > > Can you try to apply that directly to 6.2.y as well to see if it helps > > there too? > > > > On 4/10/23 16:35, Veronika Schwan wrote: > >> Hi, > >> > >> 6.3-rc6 alone fails the same way. > >> When the commit is added, it works. > >> > >> On 10/04/2023 21.22, Limonciello, Mario wrote: > >>> [Public] > >>> > >>> And if 6.3-rc6 fails the same way, please one more check with 6.3-rc6 > >>> + this commit: > >>> https://gitlab.freedesktop.org/agd5f/linux/-/commit/c7c4fe5d0b0a > >>> > >>>> Hi, > >>>> > >>>> Can you by chance cross reference 6.3-rc6? > >>>> It's quite possible we're missing some other commits to backport at > >>>> the same > >>>> time. > >>>> > >>>> Thanks, > >>>> > >>>>> -----Original Message----- > >>>>> From: Veronika Schwan <veronika@xxxxxxxxxxxxxxxxx> > >>>>> Sent: Monday, April 10, 2023 14:15 > >>>>> To: Zuo, Jerry <Jerry.Zuo@xxxxxxx> > >>>>> Cc: stable@xxxxxxxxxxxxxxx; Limonciello, Mario > >>>>> <Mario.Limonciello@xxxxxxx> > >>>>> Subject: Regression in 6.2.10 monitors connected via MST hub stay > >>>>> black > >>>>> > >>>>> I found a regression while updating from 6.2.9 to 6.2.10 (Arch Linux). > >>>>> After upgrading to 6.2.10, my external monitors stopped working (no > >>>>> input) when starting my display manager. > >>>>> My hardware: > >>>>> Lenovo T14s AMD gen 1 > >>>>> Lenovo USB-C Dock Gen 2 40AS (firmware up to date: 13.24) > >>>>> 2 monitors connected via dock and thus via an MST hub > >>>>> > >>>>> Reverting commit d7b5638bd3374a47f0b038449118b12d8d6e391c > fixes the > >>>>> issue. > >>>>> > >>>>> Best regards, > >>>>> Veronika
