[ltp] T40p, external monitor, DDC

[Alex Deucher]

On Thu, 12 Aug 2004 13:34:55 -0400, Alex Deucher <alexdeucher@gmail.com> wrote:
> On Thu, 12 Aug 2004 16:49:28 +0200, Florian Weimer <fw@deneb.enyo.de> wrote:
> > * Alex Deucher:
> >
> > > if DDC is not available you'll need to set the monitor hsync and
> > > vrefresh ranges manually in the monitor section of your config file.
> >
> > These are ignored.  I receive a warning such as:
> >
> > (WW) RADEON(0): Eizo: Using default hsync range of 28.00-33.00kHz
> > (WW) RADEON(0): Eizo: using default vrefresh range of 43.00-72.00Hz
> >
> > And all the modes are logged and dropped.
> 
> what excatly are you trying to do?  use just the vga port?  clone crt and lcd?
> Can you post your full log somewhere?  You may have to use the
> monitorlayout option if the second head is not being detected. also if
> the port in question in the vga port on a laptop, setting the hsync
> and vrefresh for the monitor will only affect the lcd screen.  if you
> want to clone your LCD on your monitor either use the clone hsync and
> vrefresh options or if you are using xorg from cvs, the crt2hsync and
> crt2vrefresh options.

Just to be clear, there are two crtcs: one for each output, and you
need to set them separately. on laptops crtc1 is always the lcd. crtc2
can either clone crtc1 or you can point it at another part of the
framebuffer for dualhead.

Alex

> 
> Alex
> 
> >
> > But the "Eizo" monitor definition contains the following directives,
> > so it should work IMHO:
> >
> >         HorizSync    31.5 - 120.0
> >         VertRefresh  50.0 - 100.0
> >
> > (Okay, these are fantasy values, haven't found the time to look up
> > actual values yet.)
>