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 = <®_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