DSS is IO coherent on AM65, so we should mark it as such with 'dma-coherent' property in the DT file. Signed-off-by: Tomi Valkeinen <tomi.valkeinen@xxxxxx> Fixes: fc539b90eda2 ("arm64: dts: ti: am654: Add DSS node") Cc: stable@xxxxxxxxxxxxxxx # v5.8+ Acked-by: Nikhil Devshatwar <nikhil.nd@xxxxxx> --- v2: Added fixes, stable and Nikhil's ack. arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 2 ++ 1 file changed, 2 insertions(+) diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi index 533525229a8d..a0b4a421026f 100644 --- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi +++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi @@ -867,6 +867,8 @@ dss: dss@04a00000 { status = "disabled"; + dma-coherent; + dss_ports: ports { #address-cells = <1>; #size-cells = <0>; -- Texas Instruments Finland Oy, Porkkalankatu 22, 00180 Helsinki. Y-tunnus/Business ID: 0615521-4. Kotipaikka/Domicile: Helsinki