[PATCH 1/1] ARM: dts: imx6qdl: Add reserved memory area for CMA memory

[Alexander Stein]

Default CMA size is too small for HDMI output and VPU usage. Increase the
default size by providing a CMA memory area.

Signed-off-by: Alexander Stein <alexander.stein@xxxxxxxxxxxxxxx>
---
Smallest RAM variant has 512MiB.

 arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi b/arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi
index d03f7065ddfd7..8ba3ec27bee07 100644
--- a/arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi
+++ b/arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi
@@ -106,6 +106,20 @@ reg_vcc3v3_audio: regulator-vcc3v3-audio {
 		vin-supply = <&reg_mba6_3p3v>;
 	};
 
+	reserved-memory {
+		#address-cells = <1>;
+		#size-cells = <1>;
+		ranges;
+
+		linux,cma {
+			compatible = "shared-dma-pool";
+			reusable;
+			size = <0x14000000>;
+			alloc-ranges = <0x10000000 0x20000000>;
+			linux,cma-default;
+		};
+	};
+
 	sound {
 		compatible = "fsl,imx-audio-tlv320aic32x4";
 		pinctrl-names = "default";
-- 
2.34.1