[PATCH v2] arm64: dts: ti: k3-am65: mark dss as dma-coherent

[Tomi Valkeinen]

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 at ti.com>
Fixes: fc539b90eda2 ("arm64: dts: ti: am654: Add DSS node")
Cc: stable at vger.kernel.org # v5.8+
Acked-by: Nikhil Devshatwar <nikhil.nd at 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 at 04a00000 {
 
 		status = "disabled";
 
+		dma-coherent;
+
 		dss_ports: ports {
 			#address-cells = <1>;
 			#size-cells = <0>;
-- 
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