[Bug 27184] Radeon, KMS, 6.12.99: Sleeping screen doesn't wake up reliably

[bugzilla-daemon at freedesktop.org]

https://bugs.freedesktop.org/show_bug.cgi?id=27184

--- Comment #17 from Alex Deucher <agd5f at yahoo.com> 2011-11-13 12:02:36 PST ---
(In reply to comment #16)
> As a workaround in the meanwhile, I deactivated the KDE screen power-mgmt and
> just use an initial "xset dpms 240 0 0", which just triggers a "stand-by" after
> 240sec and no "suspend". This works without problems (stand-by and wakeup
> from).

DPMS standby, suspend, and off states are all treated the same from the
driver's perspective.  The driver really only deals with 2 DPMS states on and
off.

> 
> Anyway, I will also retry a bit and do some testing using "suspend" on a 3.1,
> to see if something changed.

When you say suspend, are you talking about the DPMS display state, or suspend
and resume of the entire laptop?  The two are very different.

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