Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-03-07 Thread Hans de Goede
Hi Lyude, On 3/7/20 12:54 AM, Lyude Paul wrote: On Wed, 2020-02-26 at 18:52 +0100, Hans de Goede wrote: Hi, On 2/26/20 5:05 PM, Alex Deucher wrote: On Wed, Feb 26, 2020 at 10:43 AM Hans de Goede wrote: Hi, On 2/26/20 4:29 PM, Alex Deucher wrote: On Wed, Feb 26, 2020 at 10:16 AM Hans de Go

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-03-06 Thread Lyude Paul
On Wed, 2020-02-26 at 18:52 +0100, Hans de Goede wrote: > Hi, > > On 2/26/20 5:05 PM, Alex Deucher wrote: > > On Wed, Feb 26, 2020 at 10:43 AM Hans de Goede > > wrote: > > > Hi, > > > > > > On 2/26/20 4:29 PM, Alex Deucher wrote: > > > > On Wed, Feb 26, 2020 at 10:16 AM Hans de Goede > > > > wr

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-27 Thread Hans de Goede
Hi, On 2/27/20 7:41 PM, Lyude Paul wrote: hi - I almost certainly know the solution to this, the patches that we got from amd to do bandwidth checking in the DP MST helpers don't actually work correctly in a lot of cases and I need to fix them. I've just been busy on PTO and only just got back t

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-27 Thread Lyude Paul
On Thu, 2020-02-27 at 10:04 -0500, Mikita Lipski wrote: > > On 2/26/20 6:41 PM, Souza, Jose wrote: > > Hi Hans > > > > Just commenting in the "[3.309061] [drm:intel_dump_pipe_config > > [i915]] MST master transcoder: " message, it is the expected > > behaviour for anything older than Tigerlak

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-27 Thread Lyude Paul
hi - I almost certainly know the solution to this, the patches that we got from amd to do bandwidth checking in the DP MST helpers don't actually work correctly in a lot of cases and I need to fix them. I've just been busy on PTO and only just got back today, and have been busy with fixing a lot of

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-27 Thread Mikita Lipski
On 2/26/20 6:41 PM, Souza, Jose wrote: Hi Hans Just commenting in the "[3.309061] [drm:intel_dump_pipe_config [i915]] MST master transcoder: " message, it is the expected behaviour for anything older than Tigerlake, from TGL+ this will be set in MST mode. On Wed, 2020-02-26 at 18:52 +010

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-26 Thread Souza, Jose
Hi Hans Just commenting in the "[3.309061] [drm:intel_dump_pipe_config [i915]] MST master transcoder: " message, it is the expected behaviour for anything older than Tigerlake, from TGL+ this will be set in MST mode. On Wed, 2020-02-26 at 18:52 +0100, Hans de Goede wrote: > Hi, > > On 2/26/2

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-26 Thread Hans de Goede
Hi, On 2/26/20 5:05 PM, Alex Deucher wrote: On Wed, Feb 26, 2020 at 10:43 AM Hans de Goede wrote: Hi, On 2/26/20 4:29 PM, Alex Deucher wrote: On Wed, Feb 26, 2020 at 10:16 AM Hans de Goede wrote: Hi Lyude and everyone else, Lyude I'm mailing you about this because you have done a lot of

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-26 Thread Alex Deucher
On Wed, Feb 26, 2020 at 10:43 AM Hans de Goede wrote: > > Hi, > > On 2/26/20 4:29 PM, Alex Deucher wrote: > > On Wed, Feb 26, 2020 at 10:16 AM Hans de Goede wrote: > >> > >> Hi Lyude and everyone else, > >> > >> Lyude I'm mailing you about this because you have done a lot of > >> work on DP MST,

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-26 Thread Hans de Goede
Hi, On 2/26/20 4:29 PM, Alex Deucher wrote: On Wed, Feb 26, 2020 at 10:16 AM Hans de Goede wrote: Hi Lyude and everyone else, Lyude I'm mailing you about this because you have done a lot of work on DP MST, but if this rings a bell to anyone else feel free to weigh in on this. Might be a du

Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-26 Thread Alex Deucher
On Wed, Feb 26, 2020 at 10:16 AM Hans de Goede wrote: > > Hi Lyude and everyone else, > > Lyude I'm mailing you about this because you have done a lot of > work on DP MST, but if this rings a bell to anyone else feel > free to weigh in on this. Might be a duplicate of: https://gitlab.freedesktop.

5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up

2020-02-26 Thread Hans de Goede
Hi Lyude and everyone else, Lyude I'm mailing you about this because you have done a lot of work on DP MST, but if this rings a bell to anyone else feel free to weigh in on this. I'm currently using a Lenovo X1 7th gen + a Lenovo TB3 gen 2 dock as my daily rider for testing purposes. When 5.6-rc