From: "Antonino A. Daplas" <adaplas@gmail.com>
To: Timothy Miller <theosib@gmail.com>
Cc: Benjamin Herrenschmidt <benh@kernel.crashing.org>,
linux-kernel@vger.kernel.org
Subject: Re: HELP: Problem with radeonfb setting wrong resolution
Date: Thu, 16 Feb 2006 04:41:12 +0800 [thread overview]
Message-ID: <43F391E8.9050601@gmail.com> (raw)
In-Reply-To: <9871ee5f0602150448j487dcd6nb20114bbd42a1dfa@mail.gmail.com>
Timothy Miller wrote:
> On 2/15/06, Antonino A. Daplas <adaplas@gmail.com> wrote:
>
>> Looks like an EDID problem. Can you change #undef DEBUG to #define DEBUG
>> in drivers/video/fbmon.c and post your dmesg again?
>
> You were right. It's an edid problem. I disabled DDC/I2C for Radeon,
> and the problem cleared right up.
>
Something did come out from the DDC bus (as per radeonfb messages) but it
probably failed the checksum/header test so no extra messages were seen.
Unless the EDID is totally bogus, this can be a fixable problem. Can you
send me the EDID dump? You can use the utility read-edid for this.
Tony
prev parent reply other threads:[~2006-02-15 20:41 UTC|newest]
Thread overview: 7+ messages / expand[flat|nested] mbox.gz Atom feed top
2006-02-14 20:33 HELP: Problem with radeonfb setting wrong resolution Timothy Miller
2006-02-14 22:20 ` Benjamin Herrenschmidt
2006-02-15 2:17 ` Timothy Miller
2006-02-15 5:32 ` Antonino A. Daplas
2006-02-15 12:44 ` Timothy Miller
2006-02-15 12:48 ` Timothy Miller
2006-02-15 20:41 ` Antonino A. Daplas [this message]
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