[PATCH 7/8] ARM: dts: stm32: remove panel property in stm32mp257f-ev1-u-boot

Patrice CHOTARD patrice.chotard at foss.st.com
Mon Aug 25 15:54:18 CEST 2025



On 8/20/25 18:17, Raphael Gallais-Pou wrote:
> SCMI regulators are not yet implemented in OP-TEE.  This leads to an
> invalid argument error when retrieving the 'power-supply' property.
> Ultimately this chains into the panel not probing and makes the whole
> display pipe fail.
> 
> Remove the property in the upstream device-tree to allow display pipe to
> boot.
> 
> Signed-off-by: Raphael Gallais-Pou <raphael.gallais-pou at foss.st.com>
> ---
>  arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi | 4 ++++
>  1 file changed, 4 insertions(+)
> 
> diff --git a/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi b/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi
> index 9a566e18d3fd9b0cf4e21605f2cb060b49fadcb6..7a4b623664a1e167ccc0f4c73a979a083337d7a2 100644
> --- a/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi
> +++ b/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi
> @@ -12,6 +12,10 @@
>  	};
>  };
>  
> +&panel_lvds {
> +	/delete-property/ power-supply;
> +};
> +
>  &usart2 {
>  	bootph-all;
>  };
> 

This patch is a temporary patch right ?
If yes, i am not in favor to applied this patch, i prefer to see that there is something missing.

Thanks


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