Re: [Linux-fbdev-devel] [PATCH 3/5] VT binding: Update fbcon to support binding

[Antonino A. D. <ad...@gm...>]

Ingo Oeser wrote:
> Hi Antonio,
> 
> On Friday, 9. June 2006 10:40, Antonino A. Daplas wrote:
>>     5. When fbcon is completely unbound from the console layer, fbcon will
>>        also release (iow, decrement module reference counts to zero) all fbdev
>>        drivers. In other words, a bind or unbind request from the console layer
>>        will propagate down to the framebuffer drivers.
>>
>>     6. If fbcon is not bound to the console, it will ignore all notifier
>>        events (except driver registration and unregistration) and all sysfs
>>        requests.
> 
> Wow! 
> 
> Now one can:
> 
> 	- implement different framebuffer drivers for a chip. 
> 	- try a stable and development version without rebooting,
> 	- have probing with user interaction ("if you see me please 
> 	  press enter else I will try the previous driver in 15 seconds.") 
> 	  instead of deciding on "failsafe" (vga/vesa) and "fast" 
> 	  (special driver) at boot.

Yes, all of the above are possible :-), and with our present user tools,
are currently very, very doable (at least in x86).

> 
> I love it!
> 
> Just the take_over_console() as alternative API looks strange.

It's not an alternative API, it's the default API and behavior. So, I
just can't remove it without breaking all console drivers.

Tony