Re: No DPMS for Console on x86_64

From: Jan Engelhardt
Date: Sat May 13 2006 - 17:29:45 EST


>
> Unfortunately it seems that setterm's powersaving (DPMS) capabilities depend an
> APM support in the kernel and are therefore unavailable on the x86_64
> architecture.
>
> This shortcoming may have seemed unimportant when Opteron started in the server
> segment but there is a growing number of AMD Turion mobiles that could greatly
> benefit from this feature.
>

There are some backlight drivers in the kernel. Currently however the only
supported device is Sharp Corgi.
Would it be possible to make DPMS signalling a backlight driver? (Without
the APM overhead.) vgacon for example leaves the backlight on while in X11,
DPMS is enabled and signals standby after the timeout.


Jan Engelhardt
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