Re: drm_fb_helper: Impossible to change video mode

> > Searching the TTM code I couldn't find the handle code so easily. I see
> > that the vmwgfx driver provides a example of using ttm.
> 
> So handles are purely a userspace interface, in-kernel we don't use handles
> for buffer management, the vmwgfx TTM interface has vmw_user_surface_lookup_handle
> to do the bo lookups.

Yeap, some how userland has to tell which buffer is which. I also noticed 
their is a ttm_base_object_lookup which does the same thing :-) 


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