Re: G550 bug ? (was Re: Independ multiple users on G550)

[Svetoslav S. <sv...@gm...>]

> On  1 Dec 03 at 20:03, Svetoslav Slavtchev wrote:
> 
> > [root@tux root]# fbset -fb /dev/fb0
> > 
> > mode "1024x768-60"
> >     # D: 64.994 MHz, H: 48.359 kHz, V: 59.998 Hz
> >     geometry 1024 768 1024 768 32
> >     timings 15386 160 32 30 4 128 4
> >     accel true
> >     rgba 8/16,8/8,8/0,8/24
> > endmode
> > [root@tux root]# matroxfb_swapped
> > [root@tux root]# fbset -fb /dev/fb0
> > 
> > mode "1024x0-1273"
> >     # D: 64.994 MHz, H: 48.359 kHz, V: 1272.598 Hz
> >     geometry 1024 0 1024 0 32
> >     timings 15386 160 32 30 4 128 4
> >     accel true
> >     rgba 8/16,8/8,8/0,8/24
> > endmode
> 
> What does 'matroxfb_swapped' do ? You have not only yres_virtual, but also
> yres set to 0. It looks to me like that 'matroxfb_swapped' asked for
> this...

it's swapped from matroxset tarball (see end of mail )
i have to run it in order to have independand heads,
until i run it fb0 is displayed on both fb0 & fb1

<hopeless wish>
is there a way to add an option for independand fb's
without matroxset
</hopeless wish>

> Driver in kernel is identical to driver on my site, except that features
> which are impossible to have with 2.6 fbdev kernel API were removed.
> But for mere users who do not need fbset, different resolutions on each
> display, textual displays or legacy svga games should not notice any 
> difference.
>                                                                 Petr
                                                              
could the problem be in the different resolutions of fb0 & fb1 ?
everything is OK if i use the default 640x480, the problem shows when
i try "options matroxfb_base vesa=0x117"
fb0 124x768 <-> fb1 640x480


svetljo

[root@tux root]# cat `which matroxfb_swapped `
#! /bin/sh

if [ -c /dev/fb0 ]; then
  HEAD0=/dev/fb0
  HEAD1=/dev/fb1
else
  HEAD0=/dev/fb/0
  HEAD1=/dev/fb/1
fi
matroxset -f ${HEAD1} -m 0
matroxset -f ${HEAD0} -m 2
matroxset -f ${HEAD1} -m 1

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