Re: DPI in intel modesetting driver

[Adam Jackson <ajackson redhat com>]

On Thu, 2007-01-04 at 20:38 +0000, Leo wrote:
> * Adam Jackson (2007-01-04 15:00 -0500) said:
>   ^^^^^^^^^^^^
> >> But X detects the physical DPI wrong. My screen is LCD on a laptop
> >> DEll 700M with 1280x800 pixels (262x164 millimeters).
> >> 
> >> If I set "DisplaySize 261 163" in xorg.conf. The dpi is 124x124.
> >
> > Does your X log show an EDID block being printed?
> 
> Seems NO. (I have Xorg.0.log attached).
> 
> How can I fix this?

Seems you can't.  You have an LVDS panel, which aren't required to
support DDC, and we're not smart enough to look for the panel EDID in
ACPI, and there's no magic fields in the BIOS to snoop it out of.

So fair enough, in this one case you want to specify it by hand. ;)

- ajax