Mode validation & pixel clock

Luc Verhaegen libv at skynet.be
Tue Dec 20 13:30:02 PST 2005


On Wed, Dec 21, 2005 at 08:21:15AM +1100, Benjamin Herrenschmidt wrote:
> On Tue, 2005-12-20 at 22:15 +0100, Luc Verhaegen wrote:
> > On Wed, Dec 21, 2005 at 07:57:41AM +1100, Benjamin Herrenschmidt wrote:
> > > 
> > > No, I meant, some monitors, especially old ones, can contain an EDID
> > > block with totally wrong timings. We need to keep a way to override the
> > > auto-detection with the config file. Just adding the return statement I
> > > mentioned would enforce the DDC max pixel clock without a way to
> > > override it afaik. (Unless I missed something).
> > 
> > Surely Option "NoDDC" would still apply.
> 
> Isn't it a per-driver thing ? Yes, I suppose it would still work
> provided the driver implements it.
> 
> Ben.
> 
No, the option list is parsed by the DDC module too.

VIA monkeys used to have IgnoreDDC or somesuch in the driver. I'm not 
sure if they still do so.

Luc Verhaegen.




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