linux-kernel - Re: [PATCH] arm64: dts: qcom: disable GPU on x1e80100 by default

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Message-ID: <CAA8EJprKTm-FzDjUFwi9jKaHJ121W2m655-GN3DjzB9rSOpJ=Q@mail.gmail.com>
Date: Mon, 15 Jul 2024 19:40:22 +0300
From: Dmitry Baryshkov <dmitry.baryshkov@...aro.org>
To: Johan Hovold <johan@...nel.org>
Cc: 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>, 
	Akhil P Oommen <quic_akhilpo@...cinc.com>, linux-arm-msm@...r.kernel.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH] arm64: dts: qcom: disable GPU on x1e80100 by default

On Mon, 15 Jul 2024 at 17:44, Johan Hovold <johan@...nel.org> wrote:
>
> On Mon, Jul 15, 2024 at 05:23:58PM +0300, Dmitry Baryshkov wrote:
> > The GPU on X1E80100 requires ZAP 'shader' file to be useful. Since the
> > file is signed by the OEM keys and might be not available by default,
> > disable the GPU node and drop the firmware name from the x1e80100.dtsi
> > file. Devices not being fused to use OEM keys can specify generic
> > location at `qcom/x1e80100/gen70500_zap.mbn` while enabling the GPU.
>
> Please enable the GPU for the CRD as part of this patch (e.g. move the
> fw name property there).

I can not just move the property, as it is going to have a different
value. I think GPU enablement for CRD should come as a separate patch.

-- 
With best wishes
Dmitry