[Bug 38030] DPMS suspend fails to turn off monitor with my Radeon HD5750

Tue Jul 12 06:02:58 PDT 2011

https://bugs.freedesktop.org/show_bug.cgi?id=38030

--- Comment #25 from Phil Armstrong <phil at kantaka.co.uk> 2011-07-12 06:02:58 PDT ---
I've discovered that resetting my monitor back to factory settings & telling it
not to scan it's inputs but to stick to a specific input has made DPMS work for
me.

I believe there's still an issue lurking here somewhere since with the previous
settings Windows could still successfully put the monitor to sleep but Linux
couldn't. I'll experiment with a few settings (and the 3.0 kernel) to see if
anything makes any difference.

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