[Bug 42878] New: black flash every time pm changes clocks

[Bug 42878] New: black flash every time pm changes clocks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42878

             Bug #: 42878
           Summary: black flash every time pm changes clocks
    Classification: Unclassified
           Product: DRI
           Version: XOrg CVS
          Platform: Other
        OS/Version: All
            Status: NEW
          Severity: normal
          Priority: medium
         Component: DRM/Radeon
        AssignedTo: dri-devel@lists.freedesktop.org
        ReportedBy: aaalmosss@gmail.com


On my barts gpu the dynpm is completely unusable, as there is a black frame
every time the clocks are changed. I looked at the code, and it changes all
parameters at once. I think it is too much for one vblank period. Maybe setting
voltage/core/memory in separate vblank periods fixes this?

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[Bug 42878] black flash every time pm changes clocks

[bugzilla-daemon]

https://bugs.freedesktop.org/show_bug.cgi?id=42878

--- Comment #1 from Alex Deucher <agd5f@yahoo.com> 2011-11-13 12:24:10 PST ---
(In reply to comment #0)
> I think it is too much for one vblank period. Maybe setting
> voltage/core/memory in separate vblank periods fixes this?

That would definitely help.

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[Bug 42878] black flash every time pm changes clocks

[bugzilla-daemon]

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https://bugs.freedesktop.org/show_bug.cgi?id=42878

almos <aaalmosss@gmail.com> changed:

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

--- Comment #2 from almos <aaalmosss@gmail.com> ---
The new dpm method made this one obsolete. Closing.

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