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

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Message-ID: <20240719045823.3264974-1-fshao@chromium.org>
Date: Fri, 19 Jul 2024 12:58:04 +0800
From: Fei Shao <fshao@...omium.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Chen-Yu Tsai <wenst@...omium.org>
Cc: Fei Shao <fshao@...omium.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Matthias Brugger <matthias.bgg@...il.com>,
	Rob Herring <robh@...nel.org>,
	devicetree@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-kernel@...r.kernel.org,
	linux-mediatek@...ts.infradead.org
Subject: [PATCH] arm64: dts: mediatek: mt8186-corsola: Update ADSP reserved memory region

Corsola firmware reserves the memory region of [0x60000000, 0x61100000)
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@...omium.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@...00000 {
 
 		adsp_mem: memory@...00000 {
 			compatible = "shared-dma-pool";
-			reg = <0 0x60000000 0 0xA00000>;
+			reg = <0 0x60000000 0 0x1000000>;
 			no-map;
 		};
 
-- 
2.45.2.1089.g2a221341d9-goog