Re: [PATCH v3 09/24] drm/sun4i: Don't skip TCONs if they don't have channel 0

Jernej Škrabec
2018-06-28T04:45:56Z

Dne četrtek, 28. junij 2018 ob 03:51:31 CEST je Chen-Yu Tsai napisal(a):
> On Mon, Jun 25, 2018 at 8:02 PM, Jernej Skrabec <jernej.skrabec-gGgVlfcn5nU@public.gmane.org>
wrote:
> > TV TCONs (channel 1 only) are always connected to TV or HDMI encoder.
> > Because of that, all output endpoints on such TCON node will point to a
> > encoder which is part of component framework.
> >
> > Correct current graph traversing algorithm in such way that it doesn't
> > skip output enpoints with id 0 on TV TCONs.
>
> No. Our bindings say that endpoint 0 _is_ channel 0. For TCONs that don't
> have channel 0, it must be skipped.

I'm not sure where this is stated. I read TCON binding again. Can you please
point me to it?

So on TV TCONs on R40 (without channel 0) TVE would be endpoint 1 and HDMI
endpoint 2 (or the other way around)?

Best regards,
Jernej

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