linux-kernel - Re: [PATCH v4 1/4] arm64: dts: rockchip: add overlay test for WolfVision PF5

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Message-ID: <78c91324ff7b2a8e8f0d32b8e84b01e8@manjaro.org>
Date: Tue, 04 Feb 2025 12:30:58 +0100
From: Dragan Simic <dsimic@...jaro.org>
To: Quentin Schulz <foss+kernel@...il.net>
Cc: Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>,
 Conor Dooley <conor+dt@...nel.org>, Heiko Stuebner <heiko@...ech.de>, Jagan
 Teki <jagan@...eble.ai>, Niklas Cassel <cassel@...nel.org>, Michael Riesch
 <michael.riesch@...fvision.net>, Jonas Karlman <jonas@...boo.se>,
 devicetree@...r.kernel.org, linux-arm-kernel@...ts.infradead.org,
 linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, Quentin
 Schulz <quentin.schulz@...rry.de>
Subject: Re: [PATCH v4 1/4] arm64: dts: rockchip: add overlay test for
 WolfVision PF5

On 2025-01-31 11:40, Quentin Schulz wrote:
> From: Quentin Schulz <quentin.schulz@...rry.de>
> 
> The WolfVision PF5 can have a PF5 Visualizer display and PF5 IO 
> Expander
> board connected to it. Therefore, let's generate an overlay test so the
> application of the two overlays are validated against the base DTB.
> 
> Suggested-by: Michael Riesch <michael.riesch@...fvision.net>
> Reviewed-by: Michael Riesch <michael.riesch@...fvision.net>
> Signed-off-by: Quentin Schulz <quentin.schulz@...rry.de>
> ---
>  arch/arm64/boot/dts/rockchip/Makefile | 17 +++++++++++++++--
>  1 file changed, 15 insertions(+), 2 deletions(-)
> 
> diff --git a/arch/arm64/boot/dts/rockchip/Makefile
> b/arch/arm64/boot/dts/rockchip/Makefile
> index
> def1222c1907eb16b23cff6d540174a4e897abc9..bba9b2f1c761040545bea561878e9b63f8c29488
> 100644
> --- a/arch/arm64/boot/dts/rockchip/Makefile
> +++ b/arch/arm64/boot/dts/rockchip/Makefile
> @@ -128,8 +128,6 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-roc-pc.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-rock-3a.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-rock-3b.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-wolfvision-pf5.dtb
> -dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-wolfvision-pf5-display-vz.dtbo
> -dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-wolfvision-pf5-io-expander.dtbo
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-armsom-sige5.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3576-evb1-v10.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3582-radxa-e52c.dtb
> @@ -170,3 +168,18 @@ dtb-$(CONFIG_ARCH_ROCKCHIP) += 
> rk3588s-orangepi-5.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-orangepi-5b.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5a.dtb
>  dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3588s-rock-5c.dtb
> +
> +# Overlays
> +## To build one or more overlays, overlay application tests must be
> added below.
> +##
> +## dtb-$(CONFIG_ARCH_ROCKCHIP) += <name of overlay application 
> test>.dtb
> +## <name of overlay application test>-dtbs := <base>.dtb
> <overlay-1>.dtbo [<overlay-2>.dtbo ...]
> +##
> +## This will generate each individual DTBO listed as a dependency of
> +## <name of overlay application test>.dtb **AND** make <base>.dtb keep 
> its
> +## symbols (like when DTC_FLAGS has -@ passed).
> +
> +dtb-$(CONFIG_ARCH_ROCKCHIP) += rk3568-wolfvision-pf5-vz-2-uhd.dtb
> +rk3568-wolfvision-pf5-vz-2-uhd-dtbs := rk3568-wolfvision-pf5.dtb \
> +	rk3568-wolfvision-pf5-display-vz.dtbo \
> +	rk3568-wolfvision-pf5-io-expander.dtbo

Obviously, virtually the same comments [*] I made on the patch 3/4
from this series apply here as well.

[*] 
https://lore.kernel.org/linux-rockchip/77b5d0efa6e56bb391575aeeb4d1be80@manjaro.org/