RE: [Linux-fbdev-devel] fbdev API problems

[James S. <jsi...@tr...>]

> No I wasn't talking about anything that complex. I just don't want
> userland or anyone outside my driver using the pointers I am required
> to provide. I'm just going to set them all to zero, and whatever falls
> over needs to be fixed.

Set the fb_fix fields for mmio and smem to zero. As for internally with
the new api you don't need to use the screen_base field. Just ignore it. 

> It isn't like the
> kernel gives you full access but will kill you if you do something
> wrong, there is no interface to allow you to do something wrong in
> the first place.
> 
> I think the kgi does more of what you are talking about here.

No KGI works just the way you described DRI does. KGI uses a metadata
system to render graphics commands. Basically you can create data packets
of what you want done and send it out. The kernel interpets the data and
executes it safely. Well okay KGI takes it a step further than DRI. The
method I described is the way IRIX handles it on SGI systems.