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

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Date: Wed, 20 Dec 2023 14:34:49 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Konrad Dybcio <konrad.dybcio@...aro.org>
Cc: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>, Komal Bajaj <quic_kbajaj@...cinc.com>, 
	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 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 .

-- 
With best wishes
Dmitry