Bug#493515: xserver-xorg-video-radeonhd: content-dependent screen flicker at 1920x1200 (DVI/flatpanel)
Zack Weinberg wrote:
> Package: xserver-xorg-video-radeonhd
> Version: 1.2.1-2
> Severity: normal
>
> I have an LCD panel whose maximum resolution is 1920x1200, connected by
> single-link DVI cable to a Radeon X1900 graphics card. The 'radeon'
> driver works fine with this card and display. If I use 'radeonhd' instead,
> the display flickers visibly when running at maximum resolution, but not
> at any other resolution. The flicker gets worse as what is being displayed
> gets more complicated. I have not attempted to mess with driver options
> other than by changing the resolution.
>
You might want to try upstream git radeonhd since 1.2.1 is pretty old.
That said, if radeon works fine, why not just forget about radeonhd? :)
Brice
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