Ripe for adding new modelines?

Philip Prindeville philipp_subx at redfish-solutions.com
Thu Aug 25 13:18:00 PDT 2005


Adam Jackson wrote:

>On Thursday 25 August 2005 12:47, Philip Prindeville wrote:
>  
>
>>Actually, those don't look like standard timings to me.
>>
>>The 1920x1080i should be 60Hz, for instance.
>>
>>I drive my Dell 2405FPW with the EDID suggested timing of:
>>
>>ModeLine     "1920x1200 at 60" 154.0 1920 1968 2000 2080 1200 1203 1209 1235
>>
>>The timing is more a function of the controller that they put into
>>the monitor than the actual LCD screen itself.
>>    
>>
>
>There is, in fact, a spec for LCD modelines.  It's called CVT, and at least 
>nvidia's driver implements it directly.  However VESA are big meanies and 
>make you pay to see the formula.
>
>While it would be nice if we'd properly use the suggested timings from DDC, we 
>should also attempt to add some standard CVT timings to the builtin mode 
>list.  CVT support in the gtf(1) utility would also be lovely.
>
>- ajax
>  
>

I'd add support for using the DDC timings myself, but I'm unfamiliar
with what needs to be done.  If someone could walk me through it in
broad strokes, I'll see if I can muddle through.

-Philip




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