[Bug 71226] New: Colors occasionally broken on DCE5 Barts (HD69xx)

[Bug 71226] New: Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

          Priority: medium
            Bug ID: 71226
          Assignee: dri-devel@lists.freedesktop.org
           Summary: Colors occasionally broken on DCE5 Barts (HD69xx)
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: zajec5@gmail.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

>From time to time colors on my displays appear broken. It happens randomly and
is pretty hard to reproduce.

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #1 from Rafał Miłecki <zajec5@gmail.com> ---
Created attachment 88624
  --> https://bugs.freedesktop.org/attachment.cgi?id=88624&action=edit
Broken colors on HDMI-0

Right after
xrandr --output HDMI-0 --auto

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #2 from Rafał Miłecki <zajec5@gmail.com> ---
Created attachment 88625
  --> https://bugs.freedesktop.org/attachment.cgi?id=88625&action=edit
Good colors on HDMI-0

After simple
xrandr --output HDMI-0 --off
xrandr --output HDMI-0 --auto
routine from the broken case.

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #3 from Rafał Miłecki <zajec5@gmail.com> ---
Created attachment 88626
  --> https://bugs.freedesktop.org/attachment.cgi?id=88626&action=edit
Broken colors on eDP

After leaving perfectly working display for ~15 minutes, coming back and
leaving screensaver I got that broken colors on panel display.

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #4 from Rafał Miłecki <zajec5@gmail.com> ---
Created attachment 88627
  --> https://bugs.freedesktop.org/attachment.cgi?id=88627&action=edit
Good colors on eDP

Reboot fixed colors on my panel. Usually waiting for some times also does (I
don't remember if screensaver/power has to be involved).

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #5 from abortretryfail@gmail.com ---
I'm having a very similar problem on my BARTS XT. 

It seems to only show up in apps that use OpenGL and only after a
suspend/resume cycle. I'm not using a desktop compositor, so i never see it
affect the whole screen like Rafał's screenshots.

Colors appear to invert or brighten randomly then go back to normal a couple
seconds later. Similar to the attached jpegs.

Linux Brimstone 3.12.3-1-ARCH #1 SMP PREEMPT Wed Dec 4 21:45:42 CET 2013 x86_64
GNU/Linux

OpenGL version string: 3.0 Mesa 10.1.0-devel (git-92ceb32)
OpenGL shading language version string: 1.30

local/ati-dri-git 60031.92ceb32-1 (mesagit)

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #6 from abortretryfail@gmail.com ---
Also of note is that this does not happen with my REDWOOD (HD5670) card in the
same machine with the same software versions and configuration.

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #7 from Michel Dänzer <michel@daenzer.net> ---
(In reply to comment #5)
> It seems to only show up in apps that use OpenGL and only after a
> suspend/resume cycle.

If it only happens in OpenGL apps, that indicates a problem in the 3D rendering
pipeline.


> I'm not using a desktop compositor, so i never see it affect the whole screen
> like Rafał's screenshots.

Actually, my assumption from Rafał's description was that he's only seeing the
problem on one of several connected displays at a time, which would indicate a
problem in the display pipeline instead (assuming all displays are showing the
same contents or are all updating their contents while the problem occurs).
Rafał, is my assumption correct?

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #8 from Rafał Miłecki <zajec5@gmail.com> ---
(In reply to comment #7)
> Actually, my assumption from Rafał's description was that he's only seeing
> the problem on one of several connected displays at a time, which would
> indicate a problem in the display pipeline instead (assuming all displays
> are showing the same contents or are all updating their contents while the
> problem occurs). Rafał, is my assumption correct?

That's right. I got wrong colors on HDMI-0 while everything was fine on eDP at
the same time.

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #9 from Alex Deucher <agd5f@yahoo.com> ---
(In reply to comment #8)
> 
> That's right. I got wrong colors on HDMI-0 while everything was fine on eDP
> at the same time.

That's usually indicative of the monitor not dealing with the HDMI packets from
the GPU properly.  E.g., the monitor may think it's getting YUV data rather
than RGB.  Disabling hdmi mode (driving the display like DVI) should avoid the
problem if that's the issue (e.g., radeon.audio=0).

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

--- Comment #10 from madbiologist <s.j.turner@uqconnect.net> ---
Does this help?

http://www.spinics.net/lists/stable/msg32892.html

It will be in the 3.14 kernel.

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[Bug 71226] Colors occasionally broken on DCE5 Barts (HD69xx)

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https://bugs.freedesktop.org/show_bug.cgi?id=71226

Rafał Miłecki <zajec5@gmail.com> changed:

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

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