[ltp] Re: Re: need help with T43p, fglrx display drivers and suspend to ram

Alex Deucher linux-thinkpad@linux-thinkpad.org
Sun, 12 Aug 2007 12:11:32 -0400


On 8/12/07, Raanan Manor <raanan@opcat.com> wrote:
> > > >
> > > > you don't even have to restart the X server.  Just use xrandr.  some examples:
> > > > # turn vga output off
> > > > xrandr --output VGA-0 --off
> > > > # move vga output right of LVDS output
> > > > xrandr --output VGA-0 -right-of LVDS
> > > > # switch the mode on DVI to 1280x1024
> > > > xrandr --output DVI-0 --mode 1280x1024
> > > > # automatically set up all connected outputs
> > > > xrandr --auto
> > > >
> > > > by default xrandr will turn on all outputs with monitors detected.
> > > > you can turn off any outputs you don't want on.  the desktop will
> > > > automatically resize to the size of the largest active output.
> > > >
> > > > Alex
> > >
> > > it works like a charm.
> > >
> > > also the addmode and newmode commands are nice and usefull.
> > >
> > > If you need help testing, I have it running on the T43p.
> > >
> > > Also the glxgears with this new driver is 1200 FPS under compiz and Xgl,
> > > while fglrx glxgears score under compiz and Xgl is 4500 FPS.
> > >
> >
> > You don't need to use xgl with compiz on the radeon driver as it
> > supports AIGLX, so the server can call into the 3D driver directly.
> >
> > > The suspend-to-ram works also after removing the POST_VIDEO from
> > > the /etc/default/acpi-support file.
> > >
> > > thanks again for your help.
> >
> > No problem; glad you got it all working.
> >
> > Alex
>
> Sorry I meant,
>
> fglrx  + compiz-fusion/Xgl   = 4500 FPS in glxgears.
>
> radeon + compiz-fusion/AIGLX = 1000 FPS in glxgears.

right.  well, yeah, fglrx has some additional optimizations compared
to our driver :)

Alex