Re: graph connection to node is not bidirectional kernel-5.6.0-rc6

From: Vinay Simha B N
Date: Thu Mar 19 2020 - 11:56:24 EST


On Thu, Mar 19, 2020 at 9:16 PM Rob Herring <robh@xxxxxxxxxx> wrote:
>
> On Thu, Mar 19, 2020 at 1:31 AM Vinay Simha B N <simhavcs@xxxxxxxxx> wrote:
> >
> > hi,
> >
> > I am getting the endpoint' is not bidirectional(d2l_in, dsi0_out)
> > warning in compilation, built boot image works on qcom apq8016-ifc6309
> > board with the dsi->bridge->lvds panel.
> > Because of this warning i cannot create a .yaml documentation examples.
> > Please suggest.
> >
> > tc_bridge: bridge@f {
>
> ^^^^^^^^
>
> > arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi:253.28-255.9: Warning
> > (graph_endpoint): /soc/i2c@78b8000/bridge@39/ports/port@0/endpoint:
>
> ^^^^^^^^^
>
> Looks like you have 2 different bridges.
>
i had two bridges, if we disable one bridge also we get the warning

arch/arm64/boot/dts/qcom/apq8016-sbc.dtsi:333.53-335.35: Warning
(graph_endpoint): /soc/auo,b101xtn01/port/endpoint: graph connection
to node '/soc/i2c@78b8000/bridge@f/ports/port@1/endpoint' is not
bidirectional

> Rob



--
regards,
vinaysimha