[Bug 104205] displayport connected monitor doesn't initialize display

[Bug 104205] displayport connected monitor doesn't initialize display

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=104205

Michel Dänzer <michel@daenzer.net> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         QA Contact|xorg-team@lists.x.org       |
            Product|xorg                        |DRI
          Component|Driver/AMDgpu               |DRM/AMDgpu
           Assignee|xorg-driver-ati@lists.x.org |dri-devel@lists.freedesktop
                   |                            |.org

--- Comment #1 from Michel Dänzer <michel@daenzer.net> ---
Please attach the full dmesg output.

It might be worth trying a current 4.15-rc kernel with CONFIG_DRM_AMD_DC and
CONFIG_DRM_AMD_DC_PRE_VEGA enabled.

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[Bug 104205] displayport connected monitor doesn't initialize display

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https://bugs.freedesktop.org/show_bug.cgi?id=104205

--- Comment #2 from Bret Towe <magnade@gmail.com> ---
Created attachment 136229
  --> https://bugs.freedesktop.org/attachment.cgi?id=136229&action=edit
dmesg log

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[Bug 104205] displayport connected monitor doesn't initialize display

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https://bugs.freedesktop.org/show_bug.cgi?id=104205

--- Comment #3 from Bret Towe <magnade@gmail.com> ---
Created attachment 136234
  --> https://bugs.freedesktop.org/attachment.cgi?id=136234&action=edit
dmesg with working screen

here is dmesg on a boot that brought up monitor correctly
version is:
Linux ghoststar 4.15.0-rc3-mainline #1 SMP PREEMPT Sat Dec 16 15:27:26 PST 2017
x86_64 GNU/Linux

I'm not sure if this version fixed it yet since a reboot onto 4.14.x worked
also
seems like cold boot might cause it to happen more often?
ill try this a few more times over the coming week and see if it behaves and
report back

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[Bug 104205] displayport connected monitor doesn't initialize display

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https://bugs.freedesktop.org/show_bug.cgi?id=104205

--- Comment #4 from Bret Towe <magnade@gmail.com> ---
4.15-rc3 still has the problem

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[Bug 104205] displayport connected monitor doesn't initialize display

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https://bugs.freedesktop.org/show_bug.cgi?id=104205

--- Comment #5 from Harry Wentland <harry.wentland@amd.com> ---
Do you have a chance to try enabling the two config options Michel mentioned
and see if this changes things? We have a new display driver in 4.15 (AMD_DC)
that could very well make a difference here.

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[Bug 104205] displayport connected monitor doesn't initialize display

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https://bugs.freedesktop.org/show_bug.cgi?id=104205

--- Comment #6 from Bret Towe <magnade@gmail.com> ---
maybe it wasn't clear but I tested rc3 with those options and it still has the
issue

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[Bug 104205] displayport connected monitor doesn't initialize display

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https://bugs.freedesktop.org/show_bug.cgi?id=104205

Martin Peres <martin.peres@free.fr> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
         Resolution|---                         |MOVED
             Status|NEW                         |RESOLVED

--- Comment #7 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/269.

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