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[178.235.177.23]) by smtp.gmail.com with ESMTPSA id eo2-20020a056512480200b004fe7011072fsm2292076lfb.58.2023.09.26.11.27.31 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 26 Sep 2023 11:27:34 -0700 (PDT) Message-ID: <1736686f-d7b5-4433-aa45-2369a1e9b53e@linaro.org> Date: Tue, 26 Sep 2023 20:27:31 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH 4/7] arm64: dts: qcom: sc7280: Add ZAP shader support Content-Language: en-US To: Rob Clark , Abhinav Kumar , Dmitry Baryshkov , Sean Paul , David Airlie , Daniel Vetter , cros-qcom-dts-watchers@chromium.org, Andy Gross , Bjorn Andersson , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Stephen Boyd , Akhil P Oommen Cc: Marijn Suijten , Luca Weiss , Rob Clark , linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org, freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org, devicetree@vger.kernel.org References: <20230926-topic-a643-v1-0-7af6937ac0a3@linaro.org> <20230926-topic-a643-v1-4-7af6937ac0a3@linaro.org> From: Konrad Dybcio Autocrypt: addr=konrad.dybcio@linaro.org; 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charset=UTF-8 Content-Transfer-Encoding: 7bit Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 26.09.2023 20:24, Konrad Dybcio wrote: > Non-Chrome SC7280-family platforms ship a ZAP shader with the Adreno GPU. > Describe that and make sure it doesn't interfere with Chrome devices. > > Signed-off-by: Konrad Dybcio > --- > arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi | 2 ++ > arch/arm64/boot/dts/qcom/sc7280.dtsi | 10 ++++++++++ > 2 files changed, 12 insertions(+) > > diff --git a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi > index 5d462ae14ba1..88fc67c3646e 100644 > --- a/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7280-chrome-common.dtsi > @@ -17,6 +17,8 @@ > * required by the setup for Chrome boards. > */ > > +/delete-node/ &gpu_zap_mem; > +/delete-node/ &gpu_zap_shader; > /delete-node/ &hyp_mem; > /delete-node/ &xbl_mem; > /delete-node/ &reserved_xbl_uefi_log; > diff --git a/arch/arm64/boot/dts/qcom/sc7280.dtsi b/arch/arm64/boot/dts/qcom/sc7280.dtsi > index 66f1eb83cca7..c38ddf267ef5 100644 > --- a/arch/arm64/boot/dts/qcom/sc7280.dtsi > +++ b/arch/arm64/boot/dts/qcom/sc7280.dtsi > @@ -152,6 +152,11 @@ ipa_fw_mem: memory@8b700000 { > no-map; > }; > > + gpu_zap_mem: zap@8b71a000 { > + reg = <0 0x8b71a000 0 0x2000>; > + no-map; > + }; > + > rmtfs_mem: memory@9c900000 { > compatible = "qcom,rmtfs-mem"; > reg = <0x0 0x9c900000 0x0 0x280000>; > @@ -2608,6 +2613,11 @@ gpu: gpu@3d00000 { > nvmem-cells = <&gpu_speed_bin>; > nvmem-cell-names = "speed_bin"; > > + gpu_zap_shader: zap-shader { > + memory-region = <&gpu_zap_mem>; > + firmware-name = "qcom/a660_zap.mdt"; Gah. This line shouldn't have been there. Considering it's not the only oops, I'll resend. Konrad