[Bug 207763] New: Noisy Screen in Linux with kernel 5

[Bug 207763] New: Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

            Bug ID: 207763
           Summary: Noisy Screen in Linux with kernel 5
           Product: Drivers
           Version: 2.5
    Kernel Version: 5.0.0-23-generic
          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: xunilarium@gmail.com
        Regression: No

Created attachment 289165
  --> https://bugzilla.kernel.org/attachment.cgi?id=289165&action=edit
My Noisy Screen

As linux kernel was updated to version 5 my laptop screen become noisy, I have
same problem with all linux distros with kernel 5 and above. The problem is
available both in graphic and text mode. windows works fine so my graphic card
is OK.

Ubunut 18.04.02:
--------------------------------------------------------------------------------

Kernel Ver: 4.18.0-15-generic

VGA Driver: 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] RV620/M82 [Mobility Radeon HD 3450/3470]

Subsystem: Sony Corporation RV620/M82 [Mobility Radeon HD 3450/3470]

Kernel driver in use: radeon

Kernel modules: radeon

Screen Status: OK

________________________________________________________________________________

Ubuntu 18.04.03:
--------------------------------------------------------------------------------

Kernel Ver: 5.0.0-23-generic

VGA Driver: 01:00.0 VGA compatible controller: Advanced Micro Devices, Inc.
[AMD/ATI] RV620/M82 [Mobility Radeon HD 3450/3470]

Subsystem: Sony Corporation RV620/M82 [Mobility Radeon HD 3450/3470]

Kernel driver in use: radeon

Kernel modules: radeon

Screen Status: Noisy

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

Alex Deucher (alexdeucher@gmail.com) changed:

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

--- Comment #1 from Alex Deucher (alexdeucher@gmail.com) ---
Does reverting:

commit 33b3ad3788aba846fc8b9a065fe2685a0b64f713
Author: Christoph Hellwig <hch@lst.de>
Date:   Thu Aug 15 09:27:00 2019 +0200

    drm/radeon: handle PCIe root ports with addressing limitations

    radeon uses a need_dma32 flag to indicate to the drm core that some
    allocations need to be done using GFP_DMA32, but it only checks the
    device addressing capabilities to make that decision.  Unfortunately
    PCIe root ports that have limited addressing exist as well.  Use the
    dma_addressing_limited instead to also take those into account.

    Reviewed-by: Christian König <christian.koenig@amd.com>
    Reported-by: Atish Patra <Atish.Patra@wdc.com>
    Signed-off-by: Christoph Hellwig <hch@lst.de>
    Signed-off-by: Alex Deucher <alexander.deucher@amd.com>


Fix the issue?

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #2 from Mohammad Naeim (xunilarium@gmail.com) ---
I did this:
https://www.reddit.com/r/linuxquestions/comments/gqrk3m/noisy_screen_in_linux_with_kernel_5/

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #3 from Mohammad Naeim (xunilarium@gmail.com) ---
(In reply to Alex Deucher from comment #1)
> Does reverting:
> 
> commit 33b3ad3788aba846fc8b9a065fe2685a0b64f713
> Author: Christoph Hellwig <hch@lst.de>
> Date:   Thu Aug 15 09:27:00 2019 +0200
> 
>     drm/radeon: handle PCIe root ports with addressing limitations
>     
>     radeon uses a need_dma32 flag to indicate to the drm core that some
>     allocations need to be done using GFP_DMA32, but it only checks the
>     device addressing capabilities to make that decision.  Unfortunately
>     PCIe root ports that have limited addressing exist as well.  Use the
>     dma_addressing_limited instead to also take those into account.
>     
>     Reviewed-by: Christian König <christian.koenig@amd.com>
>     Reported-by: Atish Patra <Atish.Patra@wdc.com>
>     Signed-off-by: Christoph Hellwig <hch@lst.de>
>     Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
> 
> 
> Fix the issue?

I did this and the issue still exists:
https://www.reddit.com/r/linuxquestions/comments/gqrk3m/noisy_screen_in_linux_with_kernel_5/

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #4 from Alex Deucher (alexdeucher@gmail.com) ---
Created attachment 290955
  --> https://bugzilla.kernel.org/attachment.cgi?id=290955&action=edit
revert

Does this revert fix the issue?

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #5 from Alex Deucher (alexdeucher@gmail.com) ---
Does it work correctly with 5.9-rc1 or newer?

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #6 from Alex Deucher (alexdeucher@gmail.com) ---
Another thing to try, does setting radeon.agpmode=-1 fix the issue?

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #7 from Mohammad Naeim (xunilarium@gmail.com) ---
(In reply to Alex Deucher from comment #5)
> Does it work correctly with 5.9-rc1 or newer?

I tested with 5.10 and the problem still exists.

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #8 from Mohammad Naeim (xunilarium@gmail.com) ---
(In reply to Alex Deucher from comment #6)
> Another thing to try, does setting radeon.agpmode=-1 fix the issue?

I add it to grub but the issue still exists.

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

roccatos@gmail.com changed:

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

--- Comment #9 from roccatos@gmail.com ---
same problem.
(i guess with "noisy" you mean "unreadable")
i face the problem with mint and manjaro installer
kali installation worked but the problem occurred after the first reboot

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[Bug 207763] Noisy Screen in Linux with kernel 5

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=207763

--- Comment #10 from roccatos@gmail.com ---
i forgot to mention that i have "AMD RV620/M82 [Mobility Radeon HD 3450/3470]"
i tried same live usb with persistence on other pc (buitin intel somewhat) and
all worked fine

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