Re: [PATCH v3 0/2] DSS: Add support for DisplayPort

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On 11:17-20220422, Nishanth Menon wrote:
> On 19:46-20220422, Rahul T R wrote:
> > On 12:51-20220415, Vignesh Raghavendra wrote:
> > > 
> > > 
> > > On 06/04/22 10:28 pm, Rahul T R wrote:
> > > > The following series of patches enables DisplayPort on
> > > > j721e-evm
> > > > 
> > > > Tomi Valkeinen (2):
> > > >   arm64: dts: ti: k3-j721e-main: add DP & DP PHY
> > > >   arm64: dts: ti: k3-j721e-common-proc-board: add DP to j7 evm
> > > > 
> > > > v2:
> > > >    - use phandle with a parameter to refer clocks insted of
> > > >      sub nodes in serdes_wiz node
> > > >    - move phy link node to board DTS file
> > > > 
> > > > v3:
> > > >    - Fix the regulator node name as per the DT spec
> > > >    - Use Macro for GPIO type
> > > > 
> > > > boot logs:
> > > >    https://gist.githubusercontent.com/ravi-rahul/1bdbc3f77ab381e486c8394650c2e85d/raw/f04584c30181821c4ee83aee7781a9ba143cd3f3/j7_DP_upstream.log
> > > > 
> > > > kernel patch verify report:
> > > >    https://gist.githubusercontent.com/ravi-rahul/a982fef3fae03ec0dbdd5cb475a4cb25/raw/c8230370746e9878daf9527c3aa9d82eed7aa33c/report-kernel-patch-verify.txt
> > > 
> > > Hmm, With dtbs_check I see (on v5.18-rc1 tag)
> > > 
> > > +/workdir/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dtb: dp-bridge@a000000: ports: 'port@0' is a required property
> > > +/workdir/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dtb: dp-bridge@a000000: ports: 'port@4' is a required property
> > > +/workdir/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dtb: dp-bridge@a000000: 'phys' is a required property
> > > +/workdir/arch/arm64/boot/dts/ti/k3-j721e-common-proc-board.dtb: dp-bridge@a000000: 'phy-names' is a required property
> > > 
> > > This goes away with 2/2 although adds:
> > > +<stdout>: Warning (graph_child_address): /bus@100000/dss@4a00000/ports: graph node has single child node 'port@0', #address-cells/#size-cells are not necessary
> > > 
> > > 
> > > Do we need to have empty ports node in j721e-main.dtsi for dp-bridge?   And something similar wrt phys as well?
> > > 
> > > Regards
> > > Vignesh
> > 
> > Hi Vignesh,
> > 
> > Thanks for the review!
> > Not sure why kernel patch verify did not catch this
> 
> if you are'nt able to install all the required packages and version of
> packages, then use the kpv wrapper script for docker container that
> already packages things.

Hi Nishanth,

kpv is expecting cross compile toolchain
to be present in /opt of host. Once I copied
the toolchain to /opt tests are running fine

I have fixed the dtbs_checks warnings, will
send v4 with the fixes

Thanks
Rahul T R

> -- 
> Regards,
> Nishanth Menon
> K ey (0xDDB5849D1736249D) / Fingerprint: F8A2 8693 54EB 8232 17A3  1A34 DDB5 849D 1736 249D



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