Re: [PATCH] ARM: dts: stm32: Add bootph-all in ltdc node in stm32mp257f-ev1-u-boot

[Patrice CHOTARD]

On 1/19/26 13:59, Patrick DELAUNAY wrote:
> Hi
> 
> On 1/16/26 20:12, Patrice Chotard wrote:
>> Add bootph-all property in ltdc node in stm32mp257f-ev1-u-boot.dtsi
>> to fix the following issue :
>>
>> Video device 'display-controller@48010000' cannot allocate frame buffer
>> memory - ensure the device is set up beforen
>> stm32_rifsc bus@42080000: display-controller@48010000 failed to bind on
>> bus (-28)
>> stm32_rifsc bus@42080000: Some child failed to bind (-28)
>> initcall_run_r(): initcall initr_dm() failed
>> ERROR ### Please RESET the board ###
>>
>> Fixes: 29ab19c2bead ("Subtree merge tag 'v6.18-dts' of dts repo [1] into 
>> dts/upstream")
>>
>> Signed-off-by: Patrice Chotard <patrice.chot...@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 b70cd8b52ce..c3c9c94f165 100644
>> --- a/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi
>> +++ b/arch/arm/dts/stm32mp257f-ev1-u-boot.dtsi
>> @@ -52,6 +52,10 @@
>>       };
>>   };
>>   +&ltdc {
>> +    bootph-all;
>> +};
>> +
>>   &usart2 {
>>       bootph-all;
>>   };
>>
>> ---
>> base-commit: 1da640cc46ad84efb57bb45e02dd6c40265b5488
>> change-id: 20260116-add_bootph_all_for_ltdc-c7328f86b162
>>
>> Best regards,
> 
> 
> ok as a temporary solution to allow U-Boot booting,
> 
> waiting same patch in Linux device tree and DT syncro.
> 
> 
> Reviewed-by: Patrick Delaunay <patrick.delau...@foss.st.com>
> 
> Thanks
> Patrick
> 
Applied to u-boot-stm32/master

Thanks
Patrice