[Bug 97561] New: Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[Bug 97561] New: Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

            Bug ID: 97561
           Summary: Regression: Issue with ATI HD 6570 (possibly others)
                    HDMI output Purple Line
           Product: Drivers
           Version: 2.5
    Kernel Version: 4.0 and above
          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: fr0@bitservices.org.uk
        Regression: No

Hi,

First ever kernel bug report so apologies for possibly getting it wrong. Both
Linux version 4.0 and 4.1-rc now display a vertical purple line on the far left
hand side of the screen. This only happens when using HDMI output and seems to
be related to HDMI audio.

Happens with MESA 10.5 and MESA 10.6 devel, happens on both Arch Linux and
Linux Mint (using a mainline kernel). Problem does NOT happen on Linux 3.19.3
and earlier.


Image of problem:

https://lh3.googleusercontent.com/-i_dXYiwJNBE/VUE1pbSid4I/AAAAAAAAEus/uAfOCER4PSE/s912/IMG_20150429_203014.jpg


Very similar bug: 

https://bugzilla.kernel.org/show_bug.cgi?id=43154 (resolved, but appears to be
happening again).


lspci:

01:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Turks
PRO [Radeon HD 6570/7570/8550]


Giving this command resolves the problem - hence I think it is related to the
audio output part of the dri driver and is very similar to the bug linked too
above:

xrandr --output HDMI-0 --auto --set audio off


I am happy to provide logs of anything - please let me know what you need. I
don't want to take a wild guess and provide everything.

Thanks !

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

--- Comment #1 from Rich <fr0@bitservices.org.uk> ---
Additional information:
My HDMI screen is not audio enabled. So audio should not be enabled by default
when auto-detect is being used.

Adding: xrandr.log
Output of: xrandr --verbose

Adding: dmesg_debug.log
Output of dmesg with kernel option drm.debug=0xe

Adding: dmesg_debug_drm.log
Output of dmesg with kernel option drm.debug=0xe grepped with drm

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

--- Comment #2 from Rich <fr0@bitservices.org.uk> ---
Created attachment 175421
  --> https://bugzilla.kernel.org/attachment.cgi?id=175421&action=edit
dmesg output with drm.debug=0xe

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

--- Comment #3 from Rich <fr0@bitservices.org.uk> ---
Created attachment 175431
  --> https://bugzilla.kernel.org/attachment.cgi?id=175431&action=edit
dmesg output with drm.debug=0xe grepped with drm

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

--- Comment #4 from Rich <fr0@bitservices.org.uk> ---
Created attachment 175441
  --> https://bugzilla.kernel.org/attachment.cgi?id=175441&action=edit
Output of xrandr --verbose

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

Alex Deucher <alexdeucher@gmail.com> changed:

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

--- Comment #5 from Alex Deucher <alexdeucher@gmail.com> ---
Does it work correctly with Dave's drm-fixes tree:
http://cgit.freedesktop.org/~airlied/linux/log/?h=drm-fixes
There are a number of fixes related to this.

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

--- Comment #6 from Rich <fr0@bitservices.org.uk> ---
Looks very similar, I am willing to bet that will fix it. I will have a go at
compiling the kernel from source with those patches applied (never done it
before so might take me a while).

Are those fixes going to make 4.1-stable?

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

--- Comment #7 from Alex Deucher <alexdeucher@gmail.com> ---
(In reply to Rich from comment #6)
> Looks very similar, I am willing to bet that will fix it. I will have a go
> at compiling the kernel from source with those patches applied (never done
> it before so might take me a while).
> 
> Are those fixes going to make 4.1-stable?

Yes, 4.1 and previous stable kernels.

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

--- Comment #8 from Rich <fr0@bitservices.org.uk> ---
Thanks - 

I did try to compile my own kernel a few times but failed. I managed to 'git
clone' the kernel source, apply the drm-fixes patches successfully, compile
(with various config settings) but could never get the kernel to boot - but
thats my problem and need to learn!

On topic:
4.1-rc2 [4.1.0-040100rc2-generic] fixes the problem. I assume its the same bug
as you posted.

I am going to resolve this now (if I can!)
Thanks!

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[Bug 97561] Regression: Issue with ATI HD 6570 (possibly others) HDMI output Purple Line

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=97561

Rich <fr0@bitservices.org.uk> changed:

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

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