linux-kernel - Re: [PATCH 1/2] arm64: dts: qcom: qcm6490-idp: Enable various remoteprocs

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Date: Fri, 22 Dec 2023 18:54:59 +0530
From: Komal Bajaj <quic_kbajaj@...cinc.com>
To: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>,
        Konrad Dybcio
	<konrad.dybcio@...aro.org>
CC: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>,
        Bjorn Andersson
	<andersson@...nel.org>,
        Rob Herring <robh+dt@...nel.org>,
        Krzysztof Kozlowski
	<krzysztof.kozlowski+dt@...aro.org>,
        Conor Dooley <conor+dt@...nel.org>, <linux-arm-msm@...r.kernel.org>,
        <devicetree@...r.kernel.org>, <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH 1/2] arm64: dts: qcom: qcm6490-idp: Enable various
 remoteprocs



On 12/20/2023 6:04 PM, Dmitry Baryshkov wrote:
> On Wed, 20 Dec 2023 at 14:29, Konrad Dybcio <konrad.dybcio@...aro.org> wrote:
>>
>> On 20.12.2023 13:18, Dmitry Baryshkov wrote:
>>> On Wed, 20 Dec 2023 at 13:46, Krzysztof Kozlowski
>>> <krzysztof.kozlowski@...aro.org> wrote:
>>>>
>>>> On 20/12/2023 12:42, Komal Bajaj wrote:
>>>>> Enable the ADSP, CDSP, MPSS and WPSS that are found on the SoC.
>>>>>
>>>>> Signed-off-by: Komal Bajaj <quic_kbajaj@...cinc.com>
>>>>> ---
>>>>>   arch/arm64/boot/dts/qcom/qcm6490-idp.dts | 20 ++++++++++++++++++++
>>>>>   1 file changed, 20 insertions(+)
>>>>>
>>>>> diff --git a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
>>>>> index 03e97e27d16d..ad78efa9197d 100644
>>>>> --- a/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
>>>>> +++ b/arch/arm64/boot/dts/qcom/qcm6490-idp.dts
>>>>> @@ -419,6 +419,26 @@ &qupv3_id_0 {
>>>>>        status = "okay";
>>>>>   };
>>>>>
>>>>> +&remoteproc_adsp {
>>>>> +     firmware-name = "qcom/qcm6490/adsp.mdt";
>>>>
>>>> Why MDT not MBN?
>>>
>>> I agree here. NAK until this is .mbn. Please follow the example of
>>> other boards when you write patches.
>>>
>>>>
>>>> I don't see these files in linux-firmware and your cover letter did not
>>>> explain anything around their submission. What's the status on that part?
>>>
>>> This isn't usually required, is it? I mean, the firmware can come from
>>> linux-firmware, from the device partition or in any other way. With
>>> the FW_LOADER_USER_HELPER this becomes just the key string used to
>>> identify firmware to be loaded.
>> I think Krzysztof referenced the fact that the Qualcomm-made boards
>> usually came with redistributable firmware.
>>
>> As far as my 5 cents go, not submitting the files to linux-firmware.git
>> only harms the user experience, so I'd always advocate for it, whenever
>> that is actually possible.
> 
> Me too. I think this is work in progress on the Qualcomm side, see the
> discussion at https://github.com/Linaro/meta-qcom/pull/551 .
> 

I was searching for MBN files pushed for SM8550 at 
https://git.kernel.org/pub/scm/linux/kernel/git/firmware/linux-firmware.git/tree/, 
but could not find it. Am I missing something?

Are we maintaining it somewhere else asking just out of curiosity and 
learning and do similar for QCM/QCS6490.

Thanks
Komal