[Bug 103700] Displayport link status failed on resume from suspend on eDP on RX580 with Asus GL702ZC

[Bug 103700] Displayport link status failed on resume from suspend on eDP on RX580 with Asus GL702ZC

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=103700

            Bug ID: 103700
           Summary: Displayport link status failed on resume from suspend
                    on eDP on RX580 with Asus GL702ZC
           Product: DRI
           Version: XOrg git
          Hardware: Other
                OS: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: hp@tmm.cx

Created attachment 135429
  --> https://bugs.freedesktop.org/attachment.cgi?id=135429&action=edit
dmesg of a suspend/resume cycle.

When resuming from suspend on my Asus GL702ZC the internal eDP screen does not
turn back on, neither does the backlight. External screens (normal DP) are not
affected and continue working. 

I'm running 4.14.0 on this machine. My kernel .config is here in case that is
helpful: https://notabug.org/hp/linux-gl702zc/src/master/.config

I see the following errors in dmesg:

[ 1667.119776] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* displayport
link status failed
[ 1667.119785] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* clock
recovery failed
[ 1667.687497] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* displayport
link status failed
[ 1667.687505] [drm:amdgpu_atombios_dp_link_train [amdgpu]] *ERROR* clock
recovery failed

When using drm-next-dc the screen does turn on but the system crashes shortly
afterwards. I have not been able to get any meaningful debugging data out of
that configuration yet.

Attached is the full dmesg of the system.

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[Bug 103700] Displayport link status failed on resume from suspend on eDP on RX580 with Asus GL702ZC

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=103700

--- Comment #1 from Hein-Pieter van Braam <hp@tmm.cx> ---
I forgot to mention: I run Fedora 27 in userspace with Xorg.

The following package versions may be relevant:

xorg-x11-server-Xorg-1.19.5-1.fc27.x86_64
xorg-x11-drv-amdgpu-1.3.0-3.fc27.x86_64
mesa-dri-drivers-17.2.4-1.fc27.x86_64
libdrm-2.4.85-1.fc27.x86_64

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[Bug 103700] Displayport link status failed on resume from suspend on eDP on RX580 with Asus GL702ZC

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=103700

Hein-Pieter van Braam <hp@tmm.cx> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Version|XOrg git                    |unspecified

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[Bug 103700] Displayport link status failed on resume from suspend on eDP on RX580 with Asus GL702ZC

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https://bugs.freedesktop.org/show_bug.cgi?id=103700

--- Comment #2 from dwagner <jb5sgc1n.nya@20mm.eu> ---
This bug could be the same as
https://bugs.freedesktop.org/show_bug.cgi?id=103277 - but since I have only one
display connected to the GPU - which stays off after resume (and then the
system crashes so no other way to look at dmesg output) - I had no chance to
see error messages like the ones you reported.

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[Bug 103700] Displayport link status failed on resume from suspend on eDP on RX580 with Asus GL702ZC

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=103700

--- Comment #3 from Harry Wentland <harry.wentland@amd.com> ---
dwagner, these are different issue. This one was reported on a kernel without
DC, the other with DC.

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[Bug 103700] Displayport link status failed on resume from suspend on eDP on RX580 with Asus GL702ZC

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=103700

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

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

--- Comment #4 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/257.

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