linux-kernel - Re: [PATCH] arm64: dts: qcom: sc7280: enable venus node

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Message-ID: <CAA8EJpqqZL7xybcbJMsbTQB+ht5-A+ocNs+Sq30j=v1zM3JL9g@mail.gmail.com>
Date: Tue, 12 Nov 2024 15:13:46 +0200
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Vedang Nagar <quic_vnagar@...cinc.com>
Cc: cros-qcom-dts-watchers@...omium.org, 
	Bjorn Andersson <andersson@...nel.org>, Konrad Dybcio <konrad.dybcio@...aro.org>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.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] arm64: dts: qcom: sc7280: enable venus node

On Tue, 12 Nov 2024 at 08:17, Vedang Nagar <quic_vnagar@...cinc.com> wrote:
>
>
>
> On 10/7/2024 1:20 AM, Dmitry Baryshkov wrote:
> > On Fri, Oct 04, 2024 at 04:22:31PM GMT, Vedang Nagar wrote:
> >> Enable the venus node on Qualcomm sc7280. It was made disabled
> >> earlier to avoid bootup crash, which is fixed now with [1].
> >
> > NAK, there might be other reasons to keep venus disabled, like the lack
> > of the vendor-signed firmware for the particular device.
> Can you pls elaborate more on this? Any device with sc7280 SOC can use
> venus.mbn which is already present in linux-firmware git.

Can it though if the device is fused to use vendor keys and to check
the trust chain?

>
> Regards,
> Vedang Nagar
> >
> >>
> >> [1]
> >> https://lore.kernel.org/linux-media/20231201-sc7280-venus-pas-v3-2-bc132dc5fc30@fairphone.com/
> >>
> >> Signed-off-by: Vedang Nagar <quic_vnagar@...cinc.com>
> >> ---
> >>  arch/arm64/boot/dts/qcom/sc7280.dtsi | 2 --
> >>  1 file changed, 2 deletions(-)
> >



-- 
With best wishes
Dmitry