Re: [gentoo-user] DPMS not working with fbdev driver on Xorg

[Mick]

On Sunday 17 Apr 2016 13:23:35 Sebastián Pedersen wrote:
> On 17-04-2016 12:43 PM, Dale wrote:
> > Sebastián Pedersen wrote:
> >> Hi guys,
> >>
> >> Sorry to bother because I'm actually using Arch, but since in the past
> >> this list has given to me outstandings solutions, I git a try here.
> >>
> >> I'm having a problem: in Xorg, with the vesa driver the DPMS works
> >> just fine, but with the fbdev driver (framebuffer) the screen goes
> >> blank but the monitor never enters in powersave mode.
> >> And the only configuration that I modify is the video driver in use.

Modern kernels do not need vesa, other than a fallback if the main drivers for 
the card fail.


> >> My main problem is that the vesa driver doens't work very well with my
> >> video card, so that's why I use the fbdev driver.

You should instead be using the appropriate driver for your card, along with 
the correct firmware, so that it can load the framebuffer sub-module as it 
needs to.

> >> Any ideas why this happend?
> >>
> >> Many thanks in advance.
> >>
> >> Cheers,
> >> Sebas
> >
> > Since this is video related, are you in the video group?  Several other
> > video issues have popped up recently that seem to require users in the
> > video group.  It's easy enough to check.  This should work.
> >
> > cat /etc/group | grep video
> >
> > If that doesn't help, I'm sure someone will come along with other
> > ideas.
> >
> > Dale
> >
> > :-)  :-)
>
> Thanks. I'm in the video group.
>
> Yeah, hope someone can help.
> I would like it to work because comsuption of electricity is a variable
> to control for me right now.
>
> Thanks any way.
>
> Sebas

Have you have a look in your dmesg and your Xorg.0.log to see what they 
report?  Is the firmware for the card specified correctly and does it load?

-- 
Regards,
Mick