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: rel_imx_5.10.35_2.0.0-somdevices.0~491^2~125
X-Git-Url: https://git.somdevices.com/?a=commitdiff_plain;h=0403bf25a46dc8725498de37000a764231a2db0d;p=linux.git

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

commit 50301e8815c681bc5de8ca7050c4b426923d4e19 upstream.

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
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
---

diff --git a/arch/arm64/boot/dts/ti/k3-am65-main.dtsi b/arch/arm64/boot/dts/ti/k3-am65-main.dtsi
index 27f6fd9eaa0a..b9662205be9b 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 @@
 
 		status = "disabled";
 
+		dma-coherent;
+
 		dss_ports: ports {
 			#address-cells = <1>;
 			#size-cells = <0>;