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[188.141.3.146]) by smtp.gmail.com with ESMTPSA id 5b1f17b1804b1-43b73718de4sm28728855e9.23.2025.02.27.08.04.21 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Thu, 27 Feb 2025 08:04:21 -0800 (PST) Message-ID: <8e778221-bec2-437f-b51a-b665ad2ed405@linaro.org> Date: Thu, 27 Feb 2025 16:04:20 +0000 Precedence: bulk X-Mailing-List: linux-arm-msm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 2/2] arm64: dts: qcom: sdm845-db845c-navigation-mezzanine: Drop CMA heap To: Nikita Travkin , Bjorn Andersson , Konrad Dybcio , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Bryan O'Donoghue Cc: Konrad Dybcio , linux-arm-msm@vger.kernel.org, devicetree@vger.kernel.org, linux-kernel@vger.kernel.org References: <20250227-qcom-nonroot-overlays-v2-0-bde44f708cbe@trvn.ru> <20250227-qcom-nonroot-overlays-v2-2-bde44f708cbe@trvn.ru> Content-Language: en-US From: Bryan O'Donoghue In-Reply-To: <20250227-qcom-nonroot-overlays-v2-2-bde44f708cbe@trvn.ru> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit On 27/02/2025 14:26, Nikita Travkin wrote: > Initially added, the cma heap was supposed to help with libcamera swisp, > however a mistake was made such that the node was never applied as part > of the overlay since the change was added to the overlay root ("/") and > not with a reference to the target dtb root ("&{/}"). Moveover libcamera > doesn't require CMA heap on Qualcomm platforms anymore as it can now use > UDMA buffers instead. > > Drop the CMA heap node. This change has no effect on the final dtb. > > This reverts commit d40fd02c1faf8faad57a7579b573bc5be51faabe. > > Fixes: d40fd02c1faf ("arm64: dts: qcom: sdm845-db845c-navigation-mezzanine: Add cma heap for libcamera softisp support") > Suggested-by: Bryan O'Donoghue > Signed-off-by: Nikita Travkin > --- > .../boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso | 11 ----------- > 1 file changed, 11 deletions(-) > > diff --git a/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso b/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso > index 59970082da45203311146cc5249298f6188bf67a..51f1a4883ab8f0ee7c66fab89c6e1a88c868d2f8 100644 > --- a/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso > +++ b/arch/arm64/boot/dts/qcom/sdm845-db845c-navigation-mezzanine.dtso > @@ -9,17 +9,6 @@ > #include > #include > > -/ { > - reserved-memory { > - linux,cma { > - compatible = "shared-dma-pool"; > - size = <0x0 0x8000000>; > - reusable; > - linux,cma-default; > - }; > - }; > -}; > - > &camss { > vdda-phy-supply = <&vreg_l1a_0p875>; > vdda-pll-supply = <&vreg_l26a_1p2>; > Reviewed-by: Bryan O'Donoghue