Subject: Re: HELP: Problem with radeonfb setting wrong resolution
From: Benjamin Herrenschmidt <benh@kernel.crashing.org>
To: Timothy Miller <theosib@gmail.com>
Cc: linux-kernel@vger.kernel.org
In-Reply-To: <9871ee5f0602141233t3cf11775lcb6351f31d4f377e@mail.gmail.com>
References: <9871ee5f0602141233t3cf11775lcb6351f31d4f377e@mail.gmail.com>
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Date: Wed, 15 Feb 2006 09:20:12 +1100
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On Tue, 2006-02-14 at 15:33 -0500, Timothy Miller wrote:
> I humbly apologize if it is inappropriate for me to post this question
> here.  I'm not subscribed, and I haven't been in a while.  I've
> googled around for answers to this, but I don't find anything that
> directly addresses the issue I'm seeing.  Please cc me.
> 
> I'm installing a new Gentoo box, and I have configured the
> 2.6.12-gentoo-r6 kernel.
> 
> Here's what I have enabled:
> 
> + Support for framebuffer devices
> + ATI Radeon display support
> + DDC/I2C for ATI Radeon support
> + Lots of debug output from Radeon drive
> + VGA text console
> + Framebuffer Console support
> 
> In the grub.conf file, I have this at the end of the kernel line:
> 
> video=radeonfb:1024x768
> 
> When booting up, radeonfb finds the device (A Radeon 7000 PCI card),
> the monitor flickers for a second, and then what I get is a 640x480
> screen, but the kernel seems to think it's 1024x768, because text goes
> off the screen.
> 
> I've googled for this, but what I find is old stuff where people are
> complaining about seeing a higher resolution than the one they asked
> for.  I'm getting a LOWER resolution.
> 
> I can't figure out what I'm doing wrong, but there are no kernel error
> messages that tell me anything has gone wrong.
> 
> Can anyone help me figure out what I'm doing wrong here?  BTW, the
> monitor is a 19" NEC.  No chance that the monitor reports via DDC that
> it can't do 1024x768.

Can you send me the debug output ? (dmesg)

Ben.


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