Re: [PATCH v3 09/24] drm/sun4i: Don't skip TCONs if they don't have channel 0
From: Jernej Åkrabec
Date: Thu Jun 28 2018 - 00:47:30 EST
Dne Äetrtek, 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@xxxxxxxx>
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