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

[Raphael Gallais-Pou]

On 8/25/25 15:54, Patrice CHOTARD wrote:
>
> 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

Hi Patrice,

Yes it is temporary.  I will remove this patch from the upcoming series.
I understand your intention, just mind that the display pipe won't work until
STM32 OP-TEE gets SCMI regulators implemented.

Best regards,
Raphaël