Bug#622993: every 10s I get "[drm:drm_edid_block_valid] *ERROR* EDID checksum is invalid ..."

[Alex Deucher]

2011/5/1 Lisandro Damián Nicanor Pérez Meyer <perezmeyer at gmail.com>:
> On Dom 01 May 2011 18:09:27 Thibaut Girka escribió:
> [snip]
>> I'm not talking about ignoring broken EDIDs, but about actually fixing
>> them[1].
>
> This is clearly not my problem. I have two monitors, both the same brand and
> model. One is connected to the VGA output and the other one on the DVI. No
> matter wich one I plug into the DVI port, it detetcts the EDID worngly, while
> the VGA does it correctly.
>
> Or the VGA port is ignoring broken edids even without the "forget broken
> edids" patch, or somehow the DVI port is getting wrong edids, or checksumming
> them wrongly.
>

You might try the patch here:
https://bugs.freedesktop.org/show_bug.cgi?id=27708#c7

If you are using a DVI or HDMI port, some TV's don't properly update
their checksums for different ports if they have minor edid changes
for the port.  Also, some hdmi receivers/switches mangle the edids.

Alex

> Kinds regards, Lisandro.
>
> --
> "One of the biggest wake-up calls of my career was when I saw a record
> contract.
> I said, 'Wait - you sell it for $18.98 and I make 80 cents? And I have to pay
> you back the money you lent me to make it and then you own it? Who the f**k
> made that rule? Oh! The record labels made it because artists are dumb and
> they'll sign anything' - like I did.
>  Trent Reznor, Nine Inch Nails on http://contactmusic.com/
>  http://tinyurl.com/c2wda4
>
> Lisandro Damián Nicanor Pérez Meyer
> http://perezmeyer.com.ar/
> http://perezmeyer.blogspot.com/
>
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