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Re: DPI in intel modesetting driver



* Adam Jackson (2007-01-04 16:47 -0500) said:
  ^^^^^^^^^^^^
> 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

Thank you for this.

-- 
Leo <sdl.web AT gmail.com>                         (GPG Key: 9283AA3F)


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