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 Forum index » Advanced Topics » Additional Software (PETs, n' stuff) » REQUESTS
Edid-decode
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wyzguy

Joined: 13 Oct 2012
Posts: 10

PostPosted: Sun 24 Feb 2013, 03:18    Post subject:  Edid-decode
Subject description: Decodes both monitor and audio info
 

url is cgit/freedesktop.org/xorg/app/edid-decode Last change: 2012-09-26

In addition to monitor edid info, it also gives audio edid info.

Audio edid is something new (at least to me). This may provide useful info
for alsa type problems. (I don't use it.)

The following command gives the monitor raw hex DRM edid info for the
really new kernels like k3.8.0. Perhaps it could be a usable alternative
source for xorgwizard. I am aware of get-edid and ddcprobe.

cat /sys/class/drm/card*/*/edid | hd

Thanks.
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Karl Godt


Joined: 20 Jun 2010
Posts: 3956
Location: Kiel,Germany

PostPosted: Mon 25 Feb 2013, 16:49    Post subject:  

Not to bother since ddcprobe segfaults for me with 3.x kernels :

Did
Code:
git clone git://anongit.freedesktop.org/xorg/app/edid-decode

and a make but it seems not to like older kernels (2.6.30.x) or Xorg-server 1.3.0 : does nothing, even does not eat any CPU .

Will test with newer 3.4.x kernels soon .

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Karl Godt


Joined: 20 Jun 2010
Posts: 3956
Location: Kiel,Germany

PostPosted: Mon 25 Feb 2013, 22:51    Post subject:  

Now i know how to use it :
Code:
edid-decode /path/to/get-edid.edid

using
Code:
get-edid >get-edid.edid


which is giving me needed output like

get-edid : VBE string at 0x11110 "Intel(r)Q33/Q35/G33 Graphics Chip Accelerated VGA BIOS"

edid-decode : Monitor name: L768
Monitor ranges (GTF): 50-75Hz V, 24-80kHz H, max dotclock 140MHz
Established timings supported:
720x400@70Hz
640x480@60Hz
640x480@67Hz
640x480@72Hz
640x480@75Hz
800x600@56Hz
800x600@60Hz
800x600@72Hz
800x600@75Hz
832x624@75Hz
1024x768@60Hz
1024x768@70Hz
1024x768@75Hz
1280x1024@75Hz
1152x870@75Hz
Standard timings supported:
1280x1024@60Hz
1280x960@60Hz
1280x960@75Hz
1152x864@75Hz
Detailed mode: Clock 108.000 MHz, 376 mm x 301 mm
1280 1328 1440 1688 hborder 0
1024 1025 1028 1066 vborder 0
+hsync +vsync

BTW : Since i dont have the drm driver(s) loaded " cat /sys/class/drm/card*/*/edid " does not work for me -- find /sys -iname "*edid" has no output at all here .

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Karl Godt


Joined: 20 Jun 2010
Posts: 3956
Location: Kiel,Germany

PostPosted: Mon 25 Feb 2013, 23:55    Post subject:    

Update : get-edid behaves like ddcprobe : They both work in sakura/vte terminal but are segfaulting in true xterm and in the black linux console (kernel 3.5.0-KRG-iCore2-smp-pae-srv1000gz) . Evil or Very Mad Twisted Evil Rolling Eyes Cool
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