[Bug 111733] AMD Navi10 GPU randomly blanks display connected through HDMI

[Bug 111733] AMD Navi10 GPU randomly blanks display connected through HDMI

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=111733

            Bug ID: 111733
           Summary: AMD Navi10 GPU randomly blanks display connected
                    through HDMI
           Product: DRI
           Version: DRI git
          Hardware: All
                OS: Linux (All)
            Status: NEW
          Severity: normal
          Priority: not set
         Component: DRM/AMDgpu
          Assignee: dri-devel@lists.freedesktop.org
          Reporter: venemo@msn.com

There is an AMD Radeon RX 5700XT (reference card, made by Sapphire), which has
two displays connected: one through HDMI, another through DP. The problem: the
GPU sometimes randomly blanks the HDMI display while the computer is in use.

Hardware:
AMD Radeon RX 5700XT (reference card, made by Sapphire)
Dell U2718Q (two of them: one through HDMI, other through DisplayPort)
AMD Ryzen 7 3700X
MSI B450i

Software:
Fedora Workstation 30 x86_64
Gnome 3.32.2
LLVM 9 RC2
Mesa 19.2 RC1

Could be related to this bug:
https://bugs.freedesktop.org/show_bug.cgi?id=111481

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[Bug 111733] AMD Navi10 GPU randomly blanks display connected through HDMI

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https://bugs.freedesktop.org/show_bug.cgi?id=111733

--- Comment #1 from Timur Kristóf <venemo@msn.com> ---
Possible workaround: plug the HDMI out and in again, or hit Super+L to make
Gnome lock the screen and put both monitors to idle. Then, upon unlocking, the
HDMI monitor can come back.

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[Bug 111733] AMD Navi10 GPU randomly blanks display connected through HDMI

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https://bugs.freedesktop.org/show_bug.cgi?id=111733

--- Comment #2 from Timur Kristóf <venemo@msn.com> ---
There is no output from amdgpu in dmesg or xorg log, or the journal when this
happens.

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[Bug 111733] AMD Navi10 GPU randomly blanks display connected through HDMI

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https://bugs.freedesktop.org/show_bug.cgi?id=111733

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

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

--- Comment #3 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/910.

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