ati driver dual head 2nd monitor incorrect resolution

[Alex Deucher]

On Tue, 12 Oct 2004 09:24:04 -0700 (PDT), John H. <mistamaila at yahoo.com> wrote:
> no good.  Doesn't seem to work.
> 
>  Section "Device"
>          Identifier  "Card0"
>          Driver      "radeon"
>          VendorName  "ATI Technologies Inc"
>         BoardName   "RV350 AP [Radeon 9600]"
>          BusID       "PCI:1:0:0"
>          Screen      0
>         option "monitorlayout" "crt,crt"
>  EndSection
> 
>  Section "Device"
>          Identifier      "Card1"
>          Driver          "radeon"
>          BoardName       "RV350 AP [Radeon 9600]"
>         Screen          1
>         BusId           "PCI:1:0:0"
>         option "monitorlayout" "crt,crt"
>  EndSection
> 
> 

hmmm... regular dualhead may be broken on some chipsets do to bugs in
the new display handling code.  I would have though the monitorlayout
option would force it to work but I guess it may not.
http://freedesktop.org/bugzilla/show_bug.cgi?id=1559

Alex

> 
> --- Alex Deucher <alexdeucher at gmail.com> wrote:
> 
> > On Tue, 12 Oct 2004 09:06:21 -0700 (PDT), John H.
> > <mistamaila at yahoo.com> wrote:
> > > ok, with current xorg.conf, as you can see from
> > log,
> > > the 19 inch crt is not even listed.
> > >
> > > the fp is connected to dvi port on radeon 9600 via
> > vga
> > > adapter->dvi(it's an analog monitor)
> > >
> > > here is log
> > >
> > <snip>
> > > (II) RADEON(0): Primary:
> > >  Monitor   -- CRT
> > >  Connector -- VGA
> > >  DAC Type  -- Primary
> > >  TMDS Type -- NONE
> > >  DDC Type  -- VGA_DDC
> > > (II) RADEON(0): Secondary:
> > >  Monitor   -- NONE
> > >  Connector -- DVI-I
> > >  DAC Type  -- TVDAC/ExtDAC
> > >  TMDS Type -- Internal
> > >  DDC Type  -- DVI_DDC
> >
> > It's failing to detect the secondary monitor and
> > thus disabling
> > dualhead.  try it again with this option:
> > option "monitorlayout" "crt,crt"
> > that will force the driver to use both ports.
> >
> > Alex
> >
> 
> 
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