From: Tomi Valkeinen tomi.valkeinen@ti.com
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
--- arch/arm64/boot/dts/ti/k3-am65-main.dtsi | 2 ++ 1 file changed, 2 insertions(+)
--- 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>;