Re: [PATCH] arm64: dts: ti: k3-am69-sk: remove assigned-clock-parents for unused VP

[Nishanth Menon]

On 17:00-20231221, Jayesh Choudhary wrote:
> VP2 and VP3 are unused video ports and VP3 share the same parent
> clock as VP1 causing issue with pixel clock setting for HDMI (VP1).
> So remove the parent clocks for unused VPs.
> 
> Fixes: 6f8605fd7d11 ("arm64: dts: ti: k3-am69-sk: Add DP and HDMI support")
> Reported-by: Nishanth Menon <nm@xxxxxx>
> Closes: https://storage.kernelci.org/mainline/master/v6.7-rc6/arm64/defconfig/gcc-10/lab-ti/baseline-nfs-am69_sk-fs.txt
> Signed-off-by: Jayesh Choudhary <j-choudhary@xxxxxx>
> ---
> 
> Local testing log for HDMI on AM69-SK:
> <https://gist.github.com/Jayesh2000/517395cd85eb28d65b8ee4568cefb809>

Has this been always failing or just something introduced in rc6? I know
I noticed this in rc6.. so wondering..

> 
>  arch/arm64/boot/dts/ti/k3-am69-sk.dts | 8 ++------
>  1 file changed, 2 insertions(+), 6 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/ti/k3-am69-sk.dts b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> index 8da591579868..370980eb59b0 100644
> --- a/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> +++ b/arch/arm64/boot/dts/ti/k3-am69-sk.dts
> @@ -918,13 +918,9 @@ &dss {
>  	pinctrl-names = "default";
>  	pinctrl-0 = <&dss_vout0_pins_default>;
>  	assigned-clocks = <&k3_clks 218 2>,
> -			  <&k3_clks 218 5>,
> -			  <&k3_clks 218 14>,
> -			  <&k3_clks 218 18>;
> +			  <&k3_clks 218 5>;
>  	assigned-clock-parents = <&k3_clks 218 3>,
> -				 <&k3_clks 218 7>,
> -				 <&k3_clks 218 16>,
> -				 <&k3_clks 218 22>;
> +				 <&k3_clks 218 7>;
>  };
>  
>  &serdes_wiz4 {
> -- 
> 2.25.1
> 

-- 
Regards,
Nishanth Menon
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