Proposed change to xorgcfg

Jay Cotton Jay.Cotton at Sun.COM
Fri Apr 8 13:57:27 PDT 2005

  I think Matthieu Herrb nailed it.  Neglect.

File the bug, we (you and I) will work on it.


Kean Johnston wrote:
> Jay Cotton wrote:
>>A good call.  Have you filed a bug ?
> I hadn't yet. I wanted to understand why it is the way it is
> first :) I suspect at least one reason is this. When you
> run -configure, it still does the DDC probe and tries to
> ask your monitor what it supports. If then puts in the
> v/hsync ranges, but leaves them commented out so that it
> will always use the DDC values. Unfortunately, the same
> mechanism that used to write the config file by xorgcfg
> is used to write the values determined by -configure.
> I can see two ways of fixing this. The first I touched
> on briefly in my original mail. Something im the montor
> section like Option "PreferDDC" <bool>. But from a causal
> read through the code it looks like that may be done anyway.
> It *looks* as if the server will use the values retruned
> by DDC even if you specify alternate values in xorg.conf.
> I'll read the code more carefully soon to see if thats the
> truth, or perhaps someone who knows can chime in. If it
> is NOT the case the the "PreferDDC" option would be useful
> to *make* it behave that way. If its set, try DDC, and if
> its successful, use the values it finds. If not, use the
> values the user specified.
> The second way of dealing with it is to train the parser
> writer to know the differnce between being invoked by
> -configure or xorgcfg. xorgcfg could set some value that
> indicates that the options should be written out
> uncommented, but -configure doesnt set the option and
> writes them commented out.
> Kean
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	 Jay Cotton 		     Jay.Cotton at
	 MPK17-2348    x80841
	 Sun Microsystems Inc. - X11 Server Group
	 Operating Platform Group
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