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Signed-off-by: Frank Li --- change from v1 to v3 - none --- arch/arm64/boot/dts/freescale/imx8qm-mek.dts | 9 +++++++++ arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 8 ++++++++ 2 files changed, 17 insertions(+) diff --git a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts index 353f825a8ac5d..68442c8575f3f 100644 --- a/arch/arm64/boot/dts/freescale/imx8qm-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qm-mek.dts @@ -113,6 +113,15 @@ dsp_vdev0buffer: memory@94300000 { reg = <0 0x94300000 0 0x100000>; no-map; }; + + /* global autoconfigured region for contiguous allocations */ + linux,cma { + compatible = "shared-dma-pool"; + alloc-ranges = <0 0xc0000000 0 0x3c000000>; + size = <0 0x3c000000>; + linux,cma-default; + reusable; + }; }; lvds_backlight0: backlight-lvds0 { diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts index a669a5d500d32..a378f462a283b 100644 --- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts +++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts @@ -56,6 +56,14 @@ dsp_vdev0buffer: memory@94300000 { reg = <0 0x94300000 0 0x100000>; no-map; }; + + linux,cma { + compatible = "shared-dma-pool"; + alloc-ranges = <0 0xc0000000 0 0x3c000000>; + size = <0 0x3c000000>; + linux,cma-default; + reusable; + }; }; reg_usdhc2_vmmc: usdhc2-vmmc { -- 2.34.1