linux-kernel - Re: [PATCH 3/7] arm64: dts: qcom: sc8180x: create common zap-shader node

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Message-ID: <weyze7a2pqmt2klt763lbwyvpezqndm5rjnitexalru7hy3xhh@tdqx6xeqp3qu>
Date: Thu, 30 Oct 2025 12:28:31 -0500
From: Bjorn Andersson <andersson@...nel.org>
To: Konrad Dybcio <konrad.dybcio@....qualcomm.com>
Cc: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>, 
	Konrad Dybcio <konradybcio@...nel.org>, Rob Herring <robh@...nel.org>, 
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	cros-qcom-dts-watchers@...omium.org, linux-arm-msm@...r.kernel.org, devicetree@...r.kernel.org, 
	linux-kernel@...r.kernel.org
Subject: Re: [PATCH 3/7] arm64: dts: qcom: sc8180x: create common zap-shader
 node

On Thu, Oct 30, 2025 at 11:59:00AM +0100, Konrad Dybcio wrote:
> On 10/30/25 11:58 AM, Konrad Dybcio wrote:
> > On 10/28/25 10:00 PM, Dmitry Baryshkov wrote:
> >> In order to reduce duplication, move common GPU memory configuration
> >> from individual board files to sc8180x.dtsi.
> >>
> >> Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@....qualcomm.com>
> >> ---
> > 
> > [...]
> > 
> >> diff --git a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts
> >> index 93de9fe918ebdadf239832db647b84ac9d5a33f6..069953dcad378448800d45e14931efe1fe1a69fc 100644
> >> --- a/arch/arm64/boot/dts/qcom/sc8180x-primus.dts
> >> +++ b/arch/arm64/boot/dts/qcom/sc8180x-primus.dts
> >> @@ -14,6 +14,8 @@
> >>  #include "sc8180x.dtsi"
> >>  #include "sc8180x-pmics.dtsi"
> >>  
> >> +/delete-node/ &gpu_mem;

I agree with your hmm, seems this line should be dropped(?)

Dmitry, please confirm and I can fix it up as I'm applying the series.

Regards,
Bjorn

> >> +
> >>  / {
> >>  	model = "Qualcomm SC8180x Primus";
> >>  	compatible = "qcom,sc8180x-primus", "qcom,sc8180x";
> >> @@ -444,7 +446,6 @@ &gpu {
> >>  	status = "okay";
> >>  
> >>  	zap-shader {
> >> -		memory-region = <&gpu_mem>;
> > 
> > Hm?
> 
> I "hm"d at the wrong line.. why are we delete-node-ing gpu_mem?
> 
> Konrad