| Message ID | 20231214134259.1933541-1-alexander.stein@ew.tq-group.com |
|---|---|
| State | New |
| Headers | show |
| Series | [1/1] arm64: dts: freescale: imx8qxp: Disable dsp reserved memory by default | expand |
On Thu, Dec 14, 2023 at 02:42:59PM +0100, Alexander Stein wrote: > 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@ew.tq-group.com> Applied, thanks!
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@92000000 { dsp_reserved: dsp@92400000 { reg = <0 0x92400000 0 0x2000000>; no-map; + status = "disabled"; }; encoder_rpc: encoder-rpc@94400000 {
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@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(+)