[Bug 45291] New: No video output via DisplayPort on Mobility HD 4670.

[Bug 45291] New: No video output via DisplayPort on Mobility HD 4670.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=45291

             Bug #: 45291
           Summary: No video output via DisplayPort on Mobility HD 4670.
    Classification: Unclassified
           Product: DRI
           Version: unspecified
          Platform: x86-64 (AMD64)
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: jonimoose@gmail.com


Created attachment 56209
  --> https://bugs.freedesktop.org/attachment.cgi?id=56209
dmesg

I have a Dell Studio XPS 1610 laptop and a Dell U2312HM monitor with
DisplayPort. The monitor works in the BIOS but as soon as Grub loads and Linux
starts to boot it blanks and enters Powersave mode.once in X xrandr reports it
as on but there is no picture and the monitors OSD just continues to report
that it is in Powersave mode. Enabling and disabling the monitor via Xrandr
does not error and my windows manager resizes things as if it was enabled but
the monitor still shows no input.

There are no errors in dmesg during this and everything is reported as
working.(the warning at the end of dmesg is from a different HDMI monitor which
I plugged later since the DisplayPort one wasn't working)

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[Bug 45291] No video output via DisplayPort on Mobility HD 4670.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=45291

--- Comment #1 from Jon Sturm <jonimoose@gmail.com> 2012-01-26 19:29:40 PST ---
Created attachment 56210
  --> https://bugs.freedesktop.org/attachment.cgi?id=56210
Xorg.0.log

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[Bug 45291] No video output via DisplayPort on Mobility HD 4670.

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=45291

Alex Deucher <agd5f@yahoo.com> changed:

           What    |Removed                     |Added
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  Attachment #56210|text/x-log                  |text/plain
          mime type|                            |
  Attachment #56210|0                           |1
           is patch|                            |

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[Bug 45291] No video output via DisplayPort on Mobility HD 4670.

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https://bugs.freedesktop.org/show_bug.cgi?id=45291

--- Comment #2 from Alex Deucher <agd5f@yahoo.com> 2012-01-27 07:29:50 PST ---
Do other modes besides 1920x1080 on the displayport monitor work?  E.g.,
xrandr --output DisplayPort-0 --mode 1024x768
etc.

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[Bug 45291] No video output via DisplayPort on Mobility HD 4670.

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https://bugs.freedesktop.org/show_bug.cgi?id=45291

--- Comment #3 from Jon Sturm <jonimoose@gmail.com> 2012-02-05 17:52:13 UTC ---
Sorry for the late reply, but no, no other modes worked.

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[Bug 45291] No video output via DisplayPort on Mobility HD 4670.

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https://bugs.freedesktop.org/show_bug.cgi?id=45291

--- Comment #4 from Glen Ogilvie <nelg@linuxsolutions.co.nz> ---
Also occurs on a Dell Studio 1747 with an Mobility Radoen HD 4650.

Anything I can do to help?   No errors in the logs.  Monitor is detected,
correct resolutions found.  I can tell it to extend the desktop it.. but no
output on the monitor.. it stays sleeping.

Works OK on the ATI legacy driver.. but I want to upgrade from a 4 year old
distro.

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[Bug 45291] No video output via DisplayPort on Mobility HD 4670.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=45291

--- Comment #5 from Alex Deucher <agd5f@yahoo.com> ---
*** Bug 82285 has been marked as a duplicate of this bug. ***

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[Bug 45291] No video output via DisplayPort on Mobility HD 4670.

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=45291

--- Comment #6 from p3we <asobierak@gmail.com> ---
This issue also occurs on Dell U2312MH monitor connected to ATI Mobility Radeon
540v (RV710) over DisplayPort. The driver properly detects plugged monitor and
discover all capabilities but there is no signal on DisplayPort. After short
time monitor goes to sleep mode.

I have tried all available modes with no success. VGA output works fine.

I have tested this configuration under Windows and DisplayPort works as
expected, so it is no a hardware problem.

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[Bug 45291] No video output via DisplayPort on Mobility HD 4670.

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https://bugs.freedesktop.org/show_bug.cgi?id=45291

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

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

--- Comment #7 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/248.

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