[Bug 39953] New: Flicker after waking from DPMS sleep

[Bug 39953] New: Flicker after waking from DPMS sleep

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39953

           Summary: Flicker after waking from DPMS sleep
           Product: DRI
           Version: XOrg CVS
          Platform: x86 (IA32)
        OS/Version: Linux (All)
            Status: NEW
          Severity: minor
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: curaga@operamail.com


Created an attachment (id=50058)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50058)
lspci -vvnn

My E-350 laptop screen flickers for ~5 minutes every time after waking from
DPMS. The flicker persists through VT switches and changing the power profile
to high.

After the wait it stabilizes and picture is good again.

It looks similar to a CRT on 60Hz, but xrandr is confident the mode is right
for the lcd (60hz, not something lower).


Lenovo G575 laptop
AMD E-350
Linux 3.0.1

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[Bug 39953] Flicker after waking from DPMS sleep

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39953

--- Comment #1 from Lauri Kasanen <curaga@operamail.com> 2011-08-09 00:07:30 PDT ---
Created an attachment (id=50060)
 --> (https://bugs.freedesktop.org/attachment.cgi?id=50060)
dmesg

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[Bug 39953] Flicker after waking from DPMS sleep

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https://bugs.freedesktop.org/show_bug.cgi?id=39953

--- Comment #2 from Lauri Kasanen <curaga@operamail.com> 2011-08-09 00:08:56 PDT ---
Now that I tried to make it happen manually (sleep 1 && xset dpms force off),
it didn't show itself; though for the last few days, it's always happened after
X's 10-minute delay DPMS.

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[Bug 39953] Flicker after waking from DPMS sleep

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https://bugs.freedesktop.org/show_bug.cgi?id=39953

Simon Strandman <simon.strandman@gmail.com> changed:

           What    |Removed                     |Added
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                 CC|                            |simon.strandman@gmail.com

--- Comment #3 from Simon Strandman <simon.strandman@gmail.com> 2011-10-04 01:05:19 PDT ---
I have this problem too on similar E350-based hardware.

Sometimes I get this flicker, sometimes the screen is garbled (bug #36513).
When I get a garbled screen the flicker usually persists even after a reboot.
(Though this never happens in windows so I don't think it's a hardware issue.)

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[Bug 39953] Flicker after waking from DPMS sleep

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=39953

--- Comment #4 from Marc Deslauriers <marc.deslauriers@canonical.com> 2011-10-15 20:03:41 PDT ---
I am getting this on a C-50 based Acer Aspire One 522.
I can reliably reproduce the issue with:

xset dpms force off; sleep 10; xset dpms force on

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[Bug 39953] Flicker after waking from DPMS sleep

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https://bugs.freedesktop.org/show_bug.cgi?id=39953

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

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

--- Comment #5 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/208.

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