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@ti.com Fixes: fc539b90eda2 ("arm64: dts: ti: am654: Add DSS node") Cc: stable@vger.kernel.org # v5.8+ Acked-by: Nikhil Devshatwar nikhil.nd@ti.com ---
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>;