Re: [Linux-fbdev-devel] Ati Mobility FireGL V5250 support?

[Alex D. <ale...@gm...>]

On Wed, Oct 7, 2009 at 12:25 AM,  <thu...@xs...> wrote:
> From: Alex Deucher <ale...@gm...>
> Date: Tue, Oct 06, 2009 at 10:27:01AM -0400
>>
>> radeonfb doesn't support any avivo-based radeons and never will.  If
>> you want hi-res consoles, use the the new radeon drm with modesetting.
>>  It's available in 2.6.31 and supports all r1xx-r5xx radeons.  Support
>> for r6xx-r7xx is available in 2.6.32.
>>
> Thanks!
>
> It works, but I find the lack of documentation disturbing. As it is,
> adding radeon.modeset=1 to the commandline switches my screen to the
> correct resolution. This is partly because I have a TFT screen on this
> laptop. I've not been able to find anything about changing the
> resolution, so with a CRT monitor I don't know how you would go about
> that.
>
> Also, a hint or two somewhere in linux-2.6.23-rc3/Documentation/ would
> be nice. At the moment, the word 'KMS' is not used in any file there. No
> wonder I couldn't find it when I configured my kernel.
>
> So far, I've seen 5 good boots and one with a hang (garbage on screen,
> hanging laptop) - there's room for improvement yet.

DRM modesetting support is still a bit in flux (that's why it's in
staging).  Support for changing the console fb mode was only recently
added.  It could probably use more documentation though.

Alex