linux-kernel - Re: [PATCH 1/1] arm64: defconfig: enable backlight device class

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Message-ID: <2385138.ElGaqSPkdT@steina-w>
Date: Fri, 22 Aug 2025 15:55:12 +0200
From: Alexander Stein <alexander.stein@...tq-group.com>
To: Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>
Cc: linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH 1/1] arm64: defconfig: enable backlight device class

Hi,

Am Dienstag, 8. April 2025, 15:42:48 CEST schrieb Alexander Stein:
> CONFIG_DRM_PANEL_SIMPLE is enabled in this config. But it depends on
> CONFIG_BACKLIGHT_CLASS_DEVICE which is only transitively enabled by
> DRM_NOUVEAU, iff DRM_NOUVEAU_BACKLIGHT is enabled as well.
> As simple-panel depends on backlight, enable this in defconfig as well.
> 
> Signed-off-by: Alexander Stein <alexander.stein@...tq-group.com>
> ---
>  arch/arm64/configs/defconfig | 1 +
>  1 file changed, 1 insertion(+)
> 
> diff --git a/arch/arm64/configs/defconfig b/arch/arm64/configs/defconfig
> index 65ec5a5be407d..b70257878812e 100644
> --- a/arch/arm64/configs/defconfig
> +++ b/arch/arm64/configs/defconfig
> @@ -963,6 +963,7 @@ CONFIG_DRM_POWERVR=m
>  CONFIG_FB=y
>  CONFIG_FB_EFI=y
>  CONFIG_FB_MODE_HELPERS=y
> +CONFIG_BACKLIGHT_CLASS_DEVICE=m
>  CONFIG_BACKLIGHT_PWM=m
>  CONFIG_BACKLIGHT_LP855X=m
>  CONFIG_LOGO=y
> 

gentle ping. Any feedback?

Thanks and best regards
Alexander
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