[Bug 34802] New: [radeon] Screen blinking when reclocking (especially with dynpm power method)

[Bug 34802] New: [radeon] Screen blinking when reclocking (especially with dynpm power method)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=34802

           Summary: [radeon] Screen blinking when reclocking (especially
                    with dynpm power method)
           Product: Drivers
           Version: 2.5
    Kernel Version: 2.6.39
          Platform: All
        OS/Version: Linux
              Tree: Mainline
            Status: NEW
          Severity: normal
          Priority: P1
         Component: Video(DRI - non Intel)
        AssignedTo: drivers_video-dri@kernel-bugs.osdl.org
        ReportedBy: arzavt@gmail.com
        Regression: No


It's always happen when clocks changes. In this moment I observe a colored
vertical lines during 1 second. When I change power method or power profile
manually it's happens one time too.
The lines like this:
http://radeon.koolfy.be/wp-content/uploads/2011/03/garbage.jpg

$ lspci | grep -i vga
01:00.0 VGA compatible controller: ATI Technologies Inc Madison [Mobility
Radeon HD 5000 Series]

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[Bug 34802] [radeon] Screen blinking when reclocking (especially with dynpm power method)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=34802


hayarms@gmail.com changed:

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




--- Comment #1 from hayarms@gmail.com  2011-06-08 00:45:17 ---
It happens to me too, and I think it happens to everyone.

It is a very well known bug.

As a temporary workaround I use the profile power_method with the low profile.
It doesn't hurt the performance of my desktop even when using composinting and
I can always set to "high" the card with a script when I need more power (like
running heavy 3d programs). Anyway, I have a 5850 card, so people with a lower
end card may not find the low profile suitable for them.

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[Bug 34802] [radeon] Screen blinking when reclocking (especially with dynpm power method)

[bugzilla-daemon]

https://bugzilla.kernel.org/show_bug.cgi?id=34802

Alan <alan@lxorguk.ukuu.org.uk> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|NEW                         |RESOLVED
                 CC|                            |alan@lxorguk.ukuu.org.uk
         Resolution|---                         |OBSOLETE

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