[Bug 215223] New: AMDGPU Driver with Radeon RX 6700 sometimes can not find display - bugzilla-daemon

From: bugzilla-daemon@bugzilla.kernel.org
To: dri-devel@lists.freedesktop.org
Subject: [Bug 215223] New: AMDGPU Driver with Radeon RX 6700 sometimes can not find display
Date: Sun, 05 Dec 2021 18:29:30 +0000	[thread overview]
Message-ID: <bug-215223-2300@https.bugzilla.kernel.org/> (raw)

https://bugzilla.kernel.org/show_bug.cgi?id=215223

            Bug ID: 215223
           Summary: AMDGPU Driver with Radeon RX 6700 sometimes can not
                    find display
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.15.6
          Hardware: x86-64
                OS: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
          Assignee: drivers_video-dri@kernel-bugs.osdl.org
          Reporter: reznov90210@gmail.com
        Regression: No

Created attachment 299899
  --> https://bugzilla.kernel.org/attachment.cgi?id=299899&action=edit
Xorg log

I have a problem with RX6700 connected to monitor using display port. It
happens in 60% cases, while kernel booting i see some init messages and get
black screen without signal, so i need to reset my system.

As i understand, this happens because AMDGPU can not find current display,
connected to display port.

>(WW) AMDGPU(0): No outputs definitely connected, trying again...

If system is booting, i haven't got any problems. I can watch videos (with HW
acceleration) or playing games. 

I have also tested on 5.13.x kernel with same result. 

When i try to load Windows, i haven't got this problem. 

What's more strange, that connecting to HDMI solves this problem and linux
kernel proper initialize my display.

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