rob, issue got resolved. the problem was end node of the panel had the label. - panel2: eppendorf { + lvds-out { https://github.com/vinaysimhabn/kernel-msm/commit/a7bf9ccd0b61cb355fe7fa768e65b6f04cfa686f thanks. On Thu, Mar 19, 2020 at 10:46 PM Vinay Simha B N <simhavcs@xxxxxxxxx> wrote: > > On Thu, Mar 19, 2020 at 10:36 PM Rob Herring <robh@xxxxxxxxxx> wrote: > > > > On Thu, Mar 19, 2020 at 9:56 AM Vinay Simha B N <simhavcs@xxxxxxxxx> wrote: > > > > > > 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 > > > > You can't just disable nodes. To switch which bridge is enabled, you > > already have to modify remote-endpoint at the other end. So the > > requirement is you have to modify both 'remote-endpoint' properties > > (or really all 3). > > > > The other options is if you want both connections described, then you > > need 2 'endpoint' nodes to connect both bridges. > even after removing one bridge(dsi2hdmi) in the device tree, currently > using only one bridge(dsi2lvds), i do still get the compilation warning. > > graph connection > to node '/soc/i2c@78b8000/bridge@f/ports/port@1/endpoint' is not > bidirectional > > This compilation warning does not cause any problem with the boot image created > dsi -> dsi2lvds bridge-> lvds panel . Able to get the display properly. > > https://github.com/vinaysimhabn/kernel-msm/blob/08e4821646b5c128559c506a5777d8782f1ff79e/Documentation/devicetree/bindings/display/bridge/toshiba%2Ctc358775.yaml > > But while creating documentation yaml, it is not allowing to add this examples. > -- > regards, > vinaysimha -- regards, vinaysimha