[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 #26 from Alex Deucher <agd5f at yahoo.com> 2012-04-04 06:07:48 PDT ---
(In reply to comment #25)
> I just happened to test with this very same 3.3.0-rc3 kernel that while I was
> in linux console ie. no X and the screen blanker got activated, the lcd display
> was put into suspend mode ---> I hit the keyboard at this stage and the screen
> came back without fuss. Last time when I tried all the different stages with
> xset, none of them worked well. Is there an easy way to modify the states the
> console screen saver is using (for testing purposes) ?

You can use xset to test dpms, e.g.,
xset dpms force off

Also, for what it's worth, the driver only implements two states: on and off. 
All of the intermediate dpms states that are not "on" map to "off".

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