Re: [PATCH] drm: Add EDID_QUIRK_FORCE_REDUCED_BLANKING for ASUS VW222S

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Dear Florian,


Am Dienstag, den 18.12.2012, 21:03 +0100 schrieb Florian Mickler:

> On Wed, 15 Aug 2012 17:40:40 +0200 Paul Menzel wrote:
> 
> > Date: Wed, 8 Aug 2012 23:12:19 +0200
> > 
> > Connecting an ASUS VW222S [1] over VGA a garbled screen is shown with
> > vertical stripes in the top half.
> 
> This patch, which was merged in v3.6-rc4, makes the image on my ASUS
> VW222U ca. 1 inch too wide left/right and top/bottom.  The effect is as
> if the image was zoomed (bigger, more pixely).
> 
> Reverting it fixes the problem.

I am sorry for the trouble caused by this. As a work around, you could
also specify the QUIRKS on the Linux command line.

> The Monitor is connected via VGA, but also has a DVI interface.
> 
> Maybe the quirk-apply criteria is too unspecific?

Hmm, I guess everything is identical but the DVI connector they added to
the VW222U. Though I should have noticed the effect on the VW222S and
did not. :(

Could you please send the `edid-decode` output on your system and
`/var/log/Xorg.0.log`.

Also I wonder how this quirk could create such a behavior.


Thanks,

Paul


[1] http://cgit.freedesktop.org/xorg/app/edid-decode/

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