Re: [PATCH v3 06/14] Documentation: drm/bridge: add document for analogix_dp

From: Heiko Stuebner
Date: Mon Aug 24 2015 - 12:17:15 EST

Am Montag, 24. August 2015, 09:48:27 schrieb Rob Herring:
> On Mon, Aug 24, 2015 at 7:57 AM, Russell King - ARM Linux
> > When we adopted the graph bindings for iMX DRM, I thought exactly at that
> > time "it would be nice if this could become the standard for binding DRM
> > components together" but I don't have the authority from either the DT
> > perspective or the DRM perspective to mandate that. Neither does anyone
> > else. That's the _real_ problem here.
> >
> > I've seen several DRM bindings go by which don't use the of-graph stuff,
> > which means that they'll never be compatible with generic components
> > which do use the of-graph stuff.
> It goes beyond bindings IMO. The use of the component framework or not
> has been at the whim of driver writers as well. It is either used or
> private APIs are created. I'm using components and my need for it
> boils down to passing the struct drm_device pointer to the encoder.
> Other components like panels and bridges have different ways to attach
> to the DRM driver.

but that is then simply implementation specific. Panels and bridges can very
well be part of and created from an of_graph description without needing to be
a (linux-)component - see patch 7.
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