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[83.173.201.248]) by smtp.gmail.com with ESMTPSA id ffacd0b85a97d-429c13f1d4csm3144559f8f.39.2025.10.31.05.51.06 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 31 Oct 2025 05:51:07 -0700 (PDT) From: max.oss.09@gmail.com To: Max Krummenacher Cc: Philippe Schenker , Conor Dooley , Fabio Estevam , Krzysztof Kozlowski , Pengutronix Kernel Team , Rob Herring , Sascha Hauer , Shawn Guo , devicetree@vger.kernel.org, imx@lists.linux.dev, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org Subject: [PATCH v1 3/3] arm64: dts: colibri-imx8x: Add cma memory Date: Fri, 31 Oct 2025 13:49:43 +0100 Message-ID: <20251031125003.275033-4-max.oss.09@gmail.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20251031125003.275033-1-max.oss.09@gmail.com> References: <20251031125003.275033-1-max.oss.09@gmail.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Content-Type: text/plain; charset="utf-8" From: Philippe Schenker Add CMA in device tree and set its size to 416MiB for all Colibri iMX8X. The size is tuned to be enough to play full HD video using gst-play and to fit in the SKU with the lowest amount of RAM (1GB). Signed-off-by: Philippe Schenker Signed-off-by: Max Krummenacher --- arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi | 13 +++++++++++++ 1 file changed, 13 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi b/arch/arm64/= boot/dts/freescale/imx8x-colibri.dtsi index 32bca4c6f37e..d4bf30d91d69 100644 --- a/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi +++ b/arch/arm64/boot/dts/freescale/imx8x-colibri.dtsi @@ -86,6 +86,19 @@ reg_usbh_vbus: regulator-usbh-vbus { regulator-name =3D "usbh_vbus"; }; =20 + reserved-memory { + #address-cells =3D <2>; + #size-cells =3D <2>; + ranges; + + linux,cma { + compatible =3D "shared-dma-pool"; + linux,cma-default; + reusable; + size =3D <0 0x1a000000>; + }; + }; + sound-card { compatible =3D "simple-audio-card"; simple-audio-card,bitclock-master =3D <&dailink_master>; --=20 2.42.0