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August 2024, 16:24:58 CEST schrieb Alexander Stein: > Default CMA size is too small for HDMI output and VPU usage. Increase the > default size by providing a CMA memory area. >=20 > Signed-off-by: Alexander Stein > --- > Smallest RAM variant has 512MiB. >=20 > arch/arm/boot/dts/nxp/imx/imx6qdl-mba6.dtsi | 14 ++++++++++++++ > 1 file changed, 14 insertions(+) >=20 > 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 =3D <®_mba6_3p3v>; > }; > =20 > + reserved-memory { > + #address-cells =3D <1>; > + #size-cells =3D <1>; > + ranges; > + > + linux,cma { > + compatible =3D "shared-dma-pool"; > + reusable; > + size =3D <0x14000000>; > + alloc-ranges =3D <0x10000000 0x20000000>; > + linux,cma-default; > + }; > + }; > + Please do not merge yet. I just noticed that this breaks mmap'ed fbdev usage. It only works when CMA area is in HighMem. Best regards, Alexander > sound { > compatible =3D "fsl,imx-audio-tlv320aic32x4"; > pinctrl-names =3D "default"; >=20 =2D-=20 TQ-Systems GmbH | M=FChlstra=DFe 2, Gut Delling | 82229 Seefeld, Germany Amtsgericht M=FCnchen, HRB 105018 Gesch=E4ftsf=FChrer: Detlef Schneider, R=FCdiger Stahl, Stefan Schneider http://www.tq-group.com/