From: Janne Grunau Date: Wed, 16 Apr 2025 18:06:18 +0000 (+0200) Subject: arm64: dts: apple: touchbar: Mark ps_dispdfr_be as always-on X-Git-Tag: v6.15-rc7~32^2~3^2 X-Git-Url: http://git.ipfire.org/?a=commitdiff_plain;h=dc5befecbe2683ac49fc8dc76aade35e62f4cf30;p=thirdparty%2Flinux.git arm64: dts: apple: touchbar: Mark ps_dispdfr_be as always-on The driver depends on boot loader initialized state which resets when the ps_dispdfr_be power-domain is powered off. This happens on suspend or when the driver is missing during boot. Mark the domain as always on until the driver can handle this. Fixes: 7275e795e520 ("arm64: dts: apple: Add touchbar screen nodes") Signed-off-by: Janne Grunau Reviewed-by: Alyssa Rosenzweig Link: https://lore.kernel.org/r/20250416-arm64_dts_apple_touchbar-v1-1-e1c0b53b9125@jannau.net Signed-off-by: Sven Peter --- diff --git a/arch/arm64/boot/dts/apple/t8103-j293.dts b/arch/arm64/boot/dts/apple/t8103-j293.dts index 2dfe7b895b2bc..e2d9439397f71 100644 --- a/arch/arm64/boot/dts/apple/t8103-j293.dts +++ b/arch/arm64/boot/dts/apple/t8103-j293.dts @@ -77,6 +77,16 @@ }; }; +/* + * The driver depends on boot loader initialized state which resets when this + * power-domain is powered off. This happens on suspend or when the driver is + * missing during boot. Mark the domain as always on until the driver can + * handle this. + */ +&ps_dispdfr_be { + apple,always-on; +}; + &display_dfr { status = "okay"; }; diff --git a/arch/arm64/boot/dts/apple/t8112-j493.dts b/arch/arm64/boot/dts/apple/t8112-j493.dts index 3d73f9ee2f46a..be86d34c6696c 100644 --- a/arch/arm64/boot/dts/apple/t8112-j493.dts +++ b/arch/arm64/boot/dts/apple/t8112-j493.dts @@ -40,6 +40,16 @@ }; }; +/* + * The driver depends on boot loader initialized state which resets when this + * power-domain is powered off. This happens on suspend or when the driver is + * missing during boot. Mark the domain as always on until the driver can + * handle this. + */ +&ps_dispdfr_be { + apple,always-on; +}; + &display_dfr { status = "okay"; };