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

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Message-ID: <0d03ed27-418b-4564-bf8d-739b253b2213@collabora.com>
Date: Tue, 9 Dec 2025 12:41:58 +0100
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Frank Wunderlich <linux@...web.de>,
 Matthias Brugger <matthias.bgg@...il.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: Re: [PATCH] arm64: dts: mediatek: Apply mt8395-radxa DT overlay at
 build time

Il 05/12/25 22:59, Frank Wunderlich ha scritto:
> 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>

Acked-by: AngeloGioacchino Del Regno <angelogiaocchino.delregno@...labora.com>

> ---
> 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