Re: [PATCH] arm64: dts: mediatek: mt8186-corsola: Update ADSP reserved memory region

[AngeloGioacchino Del Regno <angelogioacchino.delregno@collabora.com>]

Il 19/07/24 06:58, Fei Shao ha scritto:
> Corsola firmware reserves the memory region of [0x60000000, 0x61100000)

Sorry but if the region is supposed to be 0x1100000 long....

> exclusively for ADSP usage.
> But in fact, a 6 MB "hole" of [0x60A00000, 0x61000000) didn't get
> assigned to the ADSP node in the Corsola device tree, meaning no audio
> tasks can access and utilize that memory section.
> 
> Update the reserved ADSP memory region to fill the gap.
> 
> Fixes: 8855d01fb81f ("arm64: dts: mediatek: Add MT8186 Krabby platform based Tentacruel / Tentacool")
> Signed-off-by: Fei Shao <fshao@chromium.org>
> ---
> 
>   arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi | 2 +-
>   1 file changed, 1 insertion(+), 1 deletion(-)
> 
> diff --git a/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi b/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
> index afdab5724eaa..0c4a26117428 100644
> --- a/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
> +++ b/arch/arm64/boot/dts/mediatek/mt8186-corsola.dtsi
> @@ -169,7 +169,7 @@ adsp_dma_mem: memory@61000000 {
>   
>   		adsp_mem: memory@60000000 {
>   			compatible = "shared-dma-pool";
> -			reg = <0 0x60000000 0 0xA00000>;
> +			reg = <0 0x60000000 0 0x1000000>;

...why are you making it 0x1000000 long?

Cheers,
Angelo

>   			no-map;
>   		};
>