From mboxrd@z Thu Jan  1 00:00:00 1970
From: Keith Packard <keithp@keithp.com>
Subject: Re: "EDID checksum is invalid"
Date: Tue, 06 Jan 2015 22:07:58 -0800
Message-ID: <86387nrum9.fsf@hiro.keithp.com>
References: <CA+55aFzPPz=0QVSS__w4h-o_bj1SzPZHkrGcapELmTVcr1OS-g@mail.gmail.com>
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Linus Torvalds <torvalds@linux-foundation.org> writes:

> it looks like the beginning is the same, but then it just turns to all
> ones at a random point (even *within* a byte).

Looks like the EDID ROM is dropping off the i2c bus in the middle of the
transfer. Wonder if it's being 'clever' if things go too slowly at some
point, or if there's a bug in the DDC code that's in use.

=2D-=20
=2Dkeith

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