From: Alex Deucher <alexdeucher@gmail.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>
Subject: Re: 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up
Date: Wed, 26 Feb 2020 10:29:38 -0500 [thread overview]
Message-ID: <CADnq5_OUt5XaJ_Nf23F2zsKeuPgoka8p2S6ny-H2WK==Ncg7vA@mail.gmail.com> (raw)
In-Reply-To: <99213368-5025-8435-502b-3d23b875ca60@redhat.com>
On Wed, Feb 26, 2020 at 10:16 AM Hans de Goede <hdegoede@redhat.com> 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.org/drm/amd/issues/1052
Alex
>
> 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-rc1 came out I
> noticed that only 1 of the 2 1920x1080@60 monitors on the dock
> lights up.
>
> There are no kernel errors in the logs, but mutter/gnome-shell says:
>
> gnome-shell[1316]: Failed to post KMS update: Page flip of 93 failed
>
> With 93 being the crtc-id of the crtc used for the monitor which is
> displaying black. Since then I've waited for 5.6-rc3 hoping that a
> fix was already queued up, but 5.6-rc3 still has this problem.
>
> gnome-shell does behave as if all monitors are connected, so the
> monitor is seen, but we are failing to actually send any frames
> to it.
>
> I've put a log collected with drm.debug=0x104 here:
> https://fedorapeople.org/~jwrdegoede/drm-debug.log
>
> This message stands out as pointing to the likely cause of this problem:
>
> [ 3.309061] [drm:intel_dump_pipe_config [i915]] MST master transcoder: <invalid>
>
> Regards,
>
> Hans
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
dri-devel mailing list
dri-devel@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/dri-devel
WARNING: multiple messages have this Message-ID (diff)
From: Alex Deucher <alexdeucher@gmail.com>
To: Hans de Goede <hdegoede@redhat.com>
Cc: intel-gfx <intel-gfx@lists.freedesktop.org>,
"dri-devel@lists.freedesktop.org"
<dri-devel@lists.freedesktop.org>
Subject: Re: [Intel-gfx] 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up
Date: Wed, 26 Feb 2020 10:29:38 -0500 [thread overview]
Message-ID: <CADnq5_OUt5XaJ_Nf23F2zsKeuPgoka8p2S6ny-H2WK==Ncg7vA@mail.gmail.com> (raw)
In-Reply-To: <99213368-5025-8435-502b-3d23b875ca60@redhat.com>
On Wed, Feb 26, 2020 at 10:16 AM Hans de Goede <hdegoede@redhat.com> 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.org/drm/amd/issues/1052
Alex
>
> 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-rc1 came out I
> noticed that only 1 of the 2 1920x1080@60 monitors on the dock
> lights up.
>
> There are no kernel errors in the logs, but mutter/gnome-shell says:
>
> gnome-shell[1316]: Failed to post KMS update: Page flip of 93 failed
>
> With 93 being the crtc-id of the crtc used for the monitor which is
> displaying black. Since then I've waited for 5.6-rc3 hoping that a
> fix was already queued up, but 5.6-rc3 still has this problem.
>
> gnome-shell does behave as if all monitors are connected, so the
> monitor is seen, but we are failing to actually send any frames
> to it.
>
> I've put a log collected with drm.debug=0x104 here:
> https://fedorapeople.org/~jwrdegoede/drm-debug.log
>
> This message stands out as pointing to the likely cause of this problem:
>
> [ 3.309061] [drm:intel_dump_pipe_config [i915]] MST master transcoder: <invalid>
>
> Regards,
>
> Hans
>
> _______________________________________________
> dri-devel mailing list
> dri-devel@lists.freedesktop.org
> https://lists.freedesktop.org/mailman/listinfo/dri-devel
_______________________________________________
Intel-gfx mailing list
Intel-gfx@lists.freedesktop.org
https://lists.freedesktop.org/mailman/listinfo/intel-gfx
next prev parent reply other threads:[~2020-02-26 15:29 UTC|newest]
Thread overview: 23+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-02-26 15:15 5.6 DP-MST regression: 1 of 2 monitors on TB3 (DP-MST) dock no longer light up Hans de Goede
2020-02-26 15:15 ` [Intel-gfx] " Hans de Goede
2020-02-26 15:29 ` Alex Deucher [this message]
2020-02-26 15:29 ` Alex Deucher
2020-02-26 15:43 ` Hans de Goede
2020-02-26 15:43 ` [Intel-gfx] " Hans de Goede
2020-02-26 16:05 ` Alex Deucher
2020-02-26 16:05 ` [Intel-gfx] " Alex Deucher
2020-02-26 17:52 ` Hans de Goede
2020-02-26 17:52 ` [Intel-gfx] " Hans de Goede
2020-02-26 23:41 ` Souza, Jose
2020-02-26 23:41 ` [Intel-gfx] " Souza, Jose
2020-02-27 15:04 ` Mikita Lipski
2020-02-27 18:42 ` Lyude Paul
2020-02-27 18:42 ` [Intel-gfx] " Lyude Paul
2020-03-06 23:54 ` Lyude Paul
2020-03-06 23:54 ` [Intel-gfx] " Lyude Paul
2020-03-07 12:09 ` Hans de Goede
2020-03-07 12:09 ` [Intel-gfx] " Hans de Goede
2020-02-27 18:41 ` Lyude Paul
2020-02-27 18:41 ` [Intel-gfx] " Lyude Paul
2020-02-27 18:45 ` Hans de Goede
2020-02-27 18:45 ` [Intel-gfx] " Hans de Goede
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