[Bug 12880] Display dimensions are not detected on Mobility X700

[bugzilla-daemon at freedesktop.org]

http://bugs.freedesktop.org/show_bug.cgi?id=12880





--- Comment #17 from Kevin Locke <kwl7 at cornell.edu>  2008-01-19 16:48:08 PST ---
(In reply to comment #9)
> Created an attachment (id=13781)
 --> (http://bugs.freedesktop.org/attachment.cgi?id=13781) [details]
> get-edid through parse-edid output
> 
> Whereas ddcprobe sees the physical size, it seems like get-edid doesn't.

I'm not sure that parse-edid would output anything related to the screen size. 
The hack that I was using to check it was:

sudo get-edid 2>/dev/null | perl -e 'use bytes; my $edid; read STDIN, $edid,
1024; my @bytes = unpack("C128", $edid); die "Not supported" if ($bytes[54] ==
0 and $bytes[55] == 0); print "Width:\t".((($bytes[68]&0xF0) << 4) +
$bytes[66])." (mm)\nHeight:\t".((($bytes[68]&0xF) << 8)+$bytes[67])." (mm)\n"'


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