Re: HELP: Problem with radeonfb setting wrong resolution

From: Antonino A. Daplas
Date: Wed Feb 15 2006 - 15:39:35 EST


Timothy Miller wrote:
> On 2/15/06, Antonino A. Daplas <adaplas@xxxxxxxxx> 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


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