From: Tomi Valkeinen <tomi.valkeinen@ti.com>
Date: Mon, 2 Nov 2020 13:46:50 +0000 (+0200)
Subject: arm64: dts: ti: k3-am65: mark dss as dma-coherent
X-Git-Tag: accepted/tizen/unified/20230118.172025~8243^2~31^2~23
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=50301e8815c681bc5de8ca7050c4b426923d4e19;p=platform%2Fkernel%2Flinux-rpi.git

arm64: dts: ti: k3-am65: mark dss as dma-coherent

DSS is IO coherent on AM65, so we should mark it as such with
'dma-coherent' property in the DT file.

Fixes: fc539b90eda2 ("arm64: dts: ti: am654: Add DSS node")
Signed-off-by: Tomi Valkeinen <tomi.valkeinen@ti.com>
Signed-off-by: Nishanth Menon <nm@ti.com>
Acked-by: Nikhil Devshatwar <nikhil.nd@ti.com>
Cc: stable@vger.kernel.org # v5.8+
Link: https://lore.kernel.org/r/20201102134650.55321-1-tomi.valkeinen@ti.com
---

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 3eeb6e9..baa3f4c 100644
--- a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
+++ b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
@@ -866,6 +866,8 @@
 
 		status = "disabled";
 
+		dma-coherent;
+
 		dss_ports: ports {
 			#address-cells = <1>;
 			#size-cells = <0>;