On Thu, Jan 25, 2007 at 09:39:47AM +1100, Dave Airlie wrote:
> >> Why do we want this?
> >>
> >> Currently the kernel cannot provide both the fb and drm drivers with
> >> access to the device model and this means the drm cannot get any
> >> suspend/resume callbacks. This layer attempts to fix this problem by
> >> adding a bus for the gpu drivers to attach to. Currently a lowlevel
> >> binding driver is needed along with optional fb and drm components.
> >
> >If we were to allow this kind of "sharing" for all PCI devices would
> >that work out instead? Or would this layer still be needed?
>
> Initially this layer wouldn't be needed, but I'd like to add some
> awareness to the drivers, so the drm can tell the fb to stop doing
> stuff and vice-versa if necessary.... but perhaps that could be done
> with a generic layer also.. or via the lowlevel driver I have...
Ok, I have no objection to this layer right now, as it solves your
problem, and while I would like some time in the future to add such a
layer for the PCI devices, it is no where on my todo plate just yet...
thanks,
greg k-h
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