ACK: [SRU][J:linux-xilinx-zynqmp][PATCH 0/1] [KR260] Kernel error found 'OF: graph: no port node found in /axi/display at fd4a0000'

[Wen-chien Jesse Sung]

Wei-Lin Chang <weilin.chang at canonical.com> writes:

> BugLink: https://bugs.launchpad.net/bugs/2122564
>
> SRU Justification
>
> [Impact]
>
> Found Kernel error 'OF: graph: no port node found in /axi/display at fd4a0000'.
>
> ubuntu at kria:~$ sudo dmesg --level err
> ...
> [ 6.575032] OF: graph: no port node found in /axi/display at fd4a0000 <--------- Here
> ...
>
> [Fix]
>
> * Backport 1f367ee9554af5d6 from mainline
> The DPSUB DT bindings now specify ports to model the connections with
> the programmable logic and the DisplayPort output. Add them to the
> device tree.
>
> [Test Plan]
>
> * Checked error message is gone after applying the patch.
>
> [Where problems could occur]
>
> * DT update, low potential for regression.
>
> Laurent Pinchart (1):
>   arm64: dts: zynqmp: Add ports for the DisplayPort subsystem
>
>  arch/arm64/boot/dts/xilinx/zynqmp.dtsi | 24 ++++++++++++++++++++++++
>  1 file changed, 24 insertions(+)
>
> -- 
> 2.48.1
>
>
> -- 
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Acked-by: Wen-chien Jesse Sung <jesse.sung at canonical.com>