Re: [PATCH v3 3/4] arm64: dts: qcom: sdm630: describe adsp_mem region properly

[Nickolay Goppen <setotau@mainlining.org>]

27.04.2026 14:49, Konrad Dybcio пишет:
> On 4/22/26 5:39 PM, Nickolay Goppen wrote:
>> Downstream [1] this region is marked as shared, reusable and dynamic so
>> describe it that way.
>>
>> [1]: https://github.com/xiaomi-sdm660/android_kernel_xiaomi_sdm660/blob/11-EAS/arch/arm/boot/dts/qcom/sdm660.dtsi#L448
>>
>> Signed-off-by: Nickolay Goppen <setotau@mainlining.org>
>> ---
>>   arch/arm64/boot/dts/qcom/sdm630.dtsi | 9 ++++++---
>>   1 file changed, 6 insertions(+), 3 deletions(-)
>>
>> diff --git a/arch/arm64/boot/dts/qcom/sdm630.dtsi b/arch/arm64/boot/dts/qcom/sdm630.dtsi
>> index 4b47efdb57b2..36b419dea153 100644
>> --- a/arch/arm64/boot/dts/qcom/sdm630.dtsi
>> +++ b/arch/arm64/boot/dts/qcom/sdm630.dtsi
>> @@ -494,9 +494,12 @@ venus_region: venus@9f800000 {
>>   			no-map;
>>   		};
>>   
>> -		adsp_mem: adsp-region@f6000000 {
>> -			reg = <0x0 0xf6000000 0x0 0x800000>;
>> -			no-map;
>> +		adsp_mem: adsp-region {
>> +			compatible = "shared-dma-pool";
>> +			alloc-ranges = <0x0 0x00000000 0x0 0xffffffff>;
> Please make this = <0x0 0x80000000 0x0 0x80000000>; instead, since the RAM
> starts at 0x80000000

+Alexey Min found out that on 3 GiB xiaomi-lavender RAM starts at 0x40000000

40000000-855fffff : System RAM
   40080000-41bfffff : Kernel code
   42600000-42fd0fff : Kernel data
88f00000-8abfffff : System RAM
95000000-feabffff : System RAM

> Konrad

-- 
Best regards,
Nickolay