[PATCH 1/1] arm64: dts: freescale: imx8qxp: Disable dsp reserved memory by default

[Alexander Stein]

Even if the 'dsp' node is disabled the memory intended to be used by the
DSP is reserved. This limits the memory range suitable for CMA allocation.
Thus disable the dsp_reserved node. DSP users need to enable it in parallel
to the 'dsp' node.

Signed-off-by: Alexander Stein <alexander.stein at ew.tq-group.com>
---
Apparently imx8qxp-mek is the only in-kernel user, so it is enabled
again to preserve current state.

 arch/arm64/boot/dts/freescale/imx8qxp-mek.dts | 4 ++++
 arch/arm64/boot/dts/freescale/imx8qxp.dtsi    | 1 +
 2 files changed, 5 insertions(+)

diff --git a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
index 6c3d8715bc11e..7888570c15e19 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
+++ b/arch/arm64/boot/dts/freescale/imx8qxp-mek.dts
@@ -50,6 +50,10 @@ &dsp {
 	status = "okay";
 };
 
+&dsp_reserved {
+	status = "okay";
+};
+
 &fec1 {
 	pinctrl-names = "default";
 	pinctrl-0 = <&pinctrl_fec1>;
diff --git a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
index c80c85a4b4059..f014d0a764ea4 100644
--- a/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
+++ b/arch/arm64/boot/dts/freescale/imx8qxp.dtsi
@@ -184,6 +184,7 @@ decoder_rpc: decoder-rpc at 92000000 {
 		dsp_reserved: dsp at 92400000 {
 			reg = <0 0x92400000 0 0x2000000>;
 			no-map;
+			status = "disabled";
 		};
 
 		encoder_rpc: encoder-rpc at 94400000 {
-- 
2.34.1