[Bug 70542] New: [r600g] HD5450 + uvd + hdmi flickers

[Bug 70542] New: [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

          Priority: medium
            Bug ID: 70542
          Assignee: dri-devel@lists.freedesktop.org
           Summary: [r600g] HD5450 + uvd + hdmi flickers
          Severity: normal
    Classification: Unclassified
                OS: All
          Reporter: stompdagger1@yahoo.com
          Hardware: Other
            Status: NEW
           Version: unspecified
         Component: DRM/Radeon
           Product: DRI

Created attachment 87752
  --> https://bugs.freedesktop.org/attachment.cgi?id=87752&action=edit
seat

greetings,

I have a HD5450 hooked up to my lcd tv as part of a multiseat setup.
every few seconds the feed flickers.

usually I use xbmc to view content but it happens with VBox too.

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> ---
Please attach your xorg log and dmesg output.  Does setting
radeon.disp_priority=2 on the kernel command line in grub help?

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> ---
Created attachment 87758
  --> https://bugs.freedesktop.org/attachment.cgi?id=87758&action=edit
use frac FB div on DCE4+

Does this patch help?

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #3 from dagg <stompdagger1@yahoo.com> ---
greetings,

sorry it took long to answer, it seems that the time between one flickering to
another has got bigger, from one every sec I have now one every few minutes.

this might be related to the fact that I'm running mesa, libdrm and
xf86-video-ati from git an update them every week.

anyway, here are dmesg and xorg log (I was sure I attached it but it seems that
i didn't).

I'll try now with radeon.disp_priority=2 and report back.

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #4 from dagg <stompdagger1@yahoo.com> ---
Created attachment 87843
  --> https://bugs.freedesktop.org/attachment.cgi?id=87843&action=edit
seat's xorg log

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #5 from dagg <stompdagger1@yahoo.com> ---
Created attachment 87844
  --> https://bugs.freedesktop.org/attachment.cgi?id=87844&action=edit
setup's dmesg while flickering occuers

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #6 from dagg <stompdagger1@yahoo.com> ---
tried with radeon.disp_priority=2, screen still flickers, this time much
earlier.

trying with the patch and without radeon.disp_priority=2

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #7 from dagg <stompdagger1@yahoo.com> ---
with the patch applied it still flickers, moreover it might have increased the
rate of flickering.

not sure if it is relevant but I use a 10 meters cable to connect the tv to the
computer

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #8 from Christian König <deathsimple@vodafone.de> ---
(In reply to comment #7)
> not sure if it is relevant but I use a 10 meters cable to connect the tv to
> the computer

That's a bit much. Could you try with a shorter one to make sure it's not the
cable?

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

--- Comment #9 from dagg <stompdagger1@yahoo.com> ---
(In reply to comment #8)
> (In reply to comment #7)
> > not sure if it is relevant but I use a 10 meters cable to connect the tv to
> > the computer
> 
> That's a bit much. Could you try with a shorter one to make sure it's not
> the cable?

nope... tv is too far. anyway, didn't had any issues when I was using the intel
gpu.

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[Bug 70542] [r600g] HD5450 + uvd + hdmi flickers

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https://bugs.freedesktop.org/show_bug.cgi?id=70542

Martin Peres <martin.peres@free.fr> changed:

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

--- Comment #10 from Martin Peres <martin.peres@free.fr> ---
-- GitLab Migration Automatic Message --

This bug has been migrated to freedesktop.org's GitLab instance and has been
closed from further activity.

You can subscribe and participate further through the new bug through this link
to our GitLab instance: https://gitlab.freedesktop.org/drm/amd/issues/398.

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