linux-kernel - [PATCH] arm64: dts: mediatek: Apply mt8395-radxa DT overlay at build time

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Message-ID: <20251205215940.19287-1-linux@fw-web.de>
Date: Fri,  5 Dec 2025 22:59:38 +0100
From: Frank Wunderlich <linux@...web.de>
To: Matthias Brugger <matthias.bgg@...il.com>,
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>
Cc: linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org,
	devicetree@...r.kernel.org,
	Frank Wunderlich <frank-w@...lic-files.de>
Subject: [PATCH] arm64: dts: mediatek: Apply mt8395-radxa DT overlay at build time

From: "Rob Herring (Arm)" <robh@...nel.org>

It's a requirement that DT overlays be applied at build time in order to
validate them as overlays are not validated on their own.

Add missing target for mt8395-radxa hd panel overlay.

Fixes: 4c8ff61199a7 ("arm64: dts: mediatek: mt8395-radxa-nio-12l: Add Radxa 8 HD panel")
Signed-off-by: Rob Herring (Arm) <robh@...nel.org>
Signed-off-by: Frank Wunderlich <frank-w@...lic-files.de>
---
This will show a warning [1] in upcoming 6.19.

Note that if it is desired that the combined .dtb is not installed, then
the combined .dtb should be added to 'dtb-' variable instead.
---
extracted missing part from [2] with updated commit title/description
after my bananapi series [3] to solve all warnings. Added Fixes-tag to
make sure it lands in 6.19.

[1] https://lore.kernel.org/all/20251114222759.4181152-1-robh@kernel.org/
[2] https://patchwork.kernel.org/project/linux-mediatek/patch/20251117211306.725678-1-robh@kernel.org/
[3] https://patchwork.kernel.org/project/linux-mediatek/cover/20251119175124.48947-1-linux@fw-web.de/
---
 arch/arm64/boot/dts/mediatek/Makefile | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/arch/arm64/boot/dts/mediatek/Makefile b/arch/arm64/boot/dts/mediatek/Makefile
index cac8f4c6d76f..3f76d9ce9879 100644
--- a/arch/arm64/boot/dts/mediatek/Makefile
+++ b/arch/arm64/boot/dts/mediatek/Makefile
@@ -166,6 +166,8 @@ dtb-$(CONFIG_ARCH_MEDIATEK) += mt8390-grinn-genio-700-sbc.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-kontron-3-5-sbc-i1200.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-radxa-nio-12l.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-radxa-nio-12l-8-hd-panel.dtbo
+mt8395-radxa-nio-12l-8-hd-panel-dtbs := mt8395-radxa-nio-12l.dtb mt8395-radxa-nio-12l-8-hd-panel.dtbo
+dtb-$(CONFIG_ARCH_MEDIATEK) += mt8395-radxa-nio-12l-8-hd-panel.dtb
 dtb-$(CONFIG_ARCH_MEDIATEK) += mt8516-pumpkin.dtb
 
 # Device tree overlays support
-- 
2.43.0