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Re: Hk Cqvst wrote: nVidia + gamma !FIXED!

Cross-posted to 3 groups.

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In article <m9jf2n$pq3$2@dont-email.me>, Rich <rich@example.invalid> wrote: 

> > xset s off
> > xset -dpms
> >      'fixed it' but before I die I want to KNOW why/what.
> >      
> > Why should the <video driver> go from good after boot, to bad after 
> > the system is left unattended?  And that <disable/prevent the 
> > sleep-mode> avoids the problem?
> 
> A bug in the video driver code, related to how the driver enables
> dpms[1] turn off/turn on, for your specific revision of the video chip. 
> There is likely some register value that your chip revision needs set a
> certian way, and the driver simply is not setting it the right way.
> 
> Determining any more of a "why" than the above will require you to:
> 
>   1) start digging into the C code for the video driver for your chip;
>   2) have available to detailed programming specs. from the
>      manufacturer for your specific model/revision, including all
>      erratta.
>   3) hope that the documentation is complete and accurate
> 
> > It's been running for 3 days beeootifully.
> 
> > Is the video-driver inside the 
> >  4940304 2009-08-17 07:53 vmlinuz-huge-smp-2.6.29.6-smp
> > or in the case of the few-months OLDER version which does NOT have the
> > problem, inside the <initrd.gz>
> 
> Part of the compiled binary of the driver is in one or the other.  the
> remainder is within the X server driver.  The compiled binaries will do
> you no good if you truly want to know "why".  You'll have to dig into
> the C code for the answer to that question.
> 
> 
> [1] I point at dpms here because dpms is the mode that requires
> programming the chipset to do something special.  There's a bug there
> somewhere from the sounds of things.

Remember the other quirk: that their's no problem, when a CRT is plugged
instead of the new LED:1920x1080. 
--
My Windows-using mate insists that the vga is bidirectional; ie. that the
display informs the PC <what settings it needs>.
Since the modern LED:1920x1080 is forced to comply with the OLD vga
spec. [and pin-out}, I don't believe him.

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Re: Hk Cqvst wrote: nVidia + gamma !FIXED! not.socialnetwork@gmail.com - 2015-01-19 13:43 +0000
  Re: Hk Cqvst wrote: nVidia + gamma !FIXED! Rich <rich@example.invalid> - 2015-01-19 17:32 +0000
    Re: Hk Cqvst wrote: nVidia + gamma !FIXED! Avoid9Pdf@gmail.com - 2015-01-20 18:47 +0000
      Re: Hk Cqvst wrote: nVidia + gamma !FIXED! Jerry Peters <jerry@example.invalid> - 2015-01-20 21:16 +0000
        Re: Hk Cqvst wrote: nVidia + gamma !FIXED! Unknown <dog@gmail.com> - 2015-01-21 11:59 +0000
          Re: Hk Cqvst wrote: nVidia + gamma !FIXED! Rich <rich@example.invalid> - 2015-01-21 12:17 +0000
            Re: Hk Cqvst wrote: nVidia + gamma !FIXED! no.top.post@gmail.com - 2015-01-27 19:25 +0000
          Re: Hk Cqvst wrote: nVidia + gamma !FIXED! Jerry Peters <jerry@example.invalid> - 2015-01-21 21:18 +0000
      Re: Hk Cqvst wrote: nVidia + gamma !FIXED! "David W. Hodgins" <dwhodgins@nomail.afraid.org> - 2015-01-20 16:50 -0500

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