[Powerdevil] [Bug 350676] Need to press key twice to decrease brightness

[Weng Xuetian]

https://bugs.kde.org/show_bug.cgi?id=350676

--- Comment #12 from Weng Xuetian <wengxt at gmail.com> ---
(In reply to Kai Uwe Broulik from comment #10)
> Could it be that you're using EGL? Does the highlight in eg. Kickoff also
> only update every second item? If so, that's a driver issue.

So glad to learn that here accidentally! I suffered from the same issue for my
plasmoid and I had tried to so many hackish way to workaround it but never
succeed.

(In reply to Igor Poboiko from comment #11)
> (In reply to Kai Uwe Broulik from comment #10)
> > Could it be that you're using EGL? Does the highlight in eg. Kickoff also
> > only update every second item? If so, that's a driver issue.
> 
> Yeah, same in kickoff. Thanks for clarifying, will wait for driver updates
> then :)
> 
Disable vsync helps me to workaround the issue, you may try that to see if it
works for you..

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