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

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

[bugzilla-daemon]

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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[Bug 215223] AMDGPU Driver with Radeon RX 6700 sometimes can not find display

[bugzilla-daemon]

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

Alex Deucher (alexdeucher@gmail.com) changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |alexdeucher@gmail.com

--- Comment #1 from Alex Deucher (alexdeucher@gmail.com) ---
Please attach your dmesg output.  What type of display is problematic (HDMI,
Displayport, some sort of dongle)?

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[Bug 215223] AMDGPU Driver with Radeon RX 6700 sometimes can not find display

[bugzilla-daemon]

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

--- Comment #2 from reznov90210@gmail.com ---
(In reply to Alex Deucher from comment #1)
> Please attach your dmesg output.  What type of display is problematic (HDMI,
> Displayport, some sort of dongle)?


Sorry for long delay. I have not got this problem for about 2 weeks (and can
not get logs). But today, it was appeared again. Now I have attached logs. I
have a problem with Displayport.

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[Bug 215223] AMDGPU Driver with Radeon RX 6700 sometimes can not find display

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

--- Comment #3 from reznov90210@gmail.com ---
Created attachment 300075
  --> https://bugzilla.kernel.org/attachment.cgi?id=300075&action=edit
dmesg

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[Bug 215223] AMDGPU Driver with Radeon RX 6700 sometimes can not find display

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

--- Comment #4 from reznov90210@gmail.com ---
I also have update to latest kernel and have same problem.

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[Bug 215223] AMDGPU Driver with Radeon RX 6700 sometimes can not find display

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

--- Comment #5 from reznov90210@gmail.com ---
Created attachment 300077
  --> https://bugzilla.kernel.org/attachment.cgi?id=300077&action=edit
journalctl -b - 1..4

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[Bug 215223] AMDGPU Driver with Radeon RX 6700 sometimes can not find display

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

reznov90210@gmail.com changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
     Kernel Version|5.15.6                      |5.15.10

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[Bug 215223] AMDGPU Driver with Radeon RX 6700 sometimes can not find display

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

--- Comment #6 from reznov90210@gmail.com ---
Switching off and then switching on monitor helps.

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