Re: [Linux-fbdev-devel] mmap()ing of FB memory area

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

> Do you suggest we're better off waiting for the availability
> of the FB filesystem, and _then_ try to implement a video
> extension to the FB layer ?

We can implement it now. It's just extending fb to other types of buffers
will get trick without a filesystem

> BTW, could /dev/fv/overlay0 belong to the _same_
> memory area than /dev/fb/frame0 ? In this case
> how and when are the respective size defined ?

Hum. This is similar to the problem of window IDs. How do we handle this.
Also some higher end cards have buffers per window where each window is
defined by a window ID.