Re: [PATCH] neofb patches

[Benjamin Herrenschmidt <benh@kernel.crashing.org>]

On Wed, 2004-04-28 at 08:48, John Zielinski wrote:
> James Simmons wrote:
> 
> >I wouldn't bank on that. I seen this solution fall short. Consider a system 
> >where we have a serial console, vgacon, and fbcon (say hgafb). Well I 
> >leave it to the imagination what can go wrong. 
> >  
> >
> I can see how vgacon and fbcon would walk all over each other but how 
> would a serial console
> mess things up?

Same question... Where is the problem ?

> >I agree we need arbitration. Eventually fbdev and dri have to merge. Mode 
> >setting is still best handled kernel side. That is just a reality.
> >
> >  
> >
> Arbitration would be best.  How would it be done generally?  Some 
> mechanism that arbitrates based on mem/io ranges or something else?

We need several level of arbitration, I'm not sure hwo to do that at
this point and I don't have time to dive into the DRI side of things.

Jon Smirl has been working on embedded mesa & moving DRI outside of
X. Unfortunately, last I heard, he was still on his trip of re-inventing
everything including replacing the fbdev's with his own stuff instead
of moving from what we have ...

Ben,



-------------------------------------------------------
This SF.Net email is sponsored by: Oracle 10g
Get certified on the hottest thing ever to hit the market... Oracle 10g. 
Take an Oracle 10g class now, and we'll give you the exam FREE. 
http://ads.osdn.com/?ad_id=3149&alloc_id=8166&op=click