linux-kernel - Re: [PATCH v4 06/15] dt-bindings: display: mediatek: dpi: add power-domains property

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Date: Fri, 21 Jun 2024 23:10:20 +0800
From: Chun-Kuang Hu <chunkuang.hu@...nel.org>
To: amergnat@...libre.com
Cc: Chun-Kuang Hu <chunkuang.hu@...nel.org>, Philipp Zabel <p.zabel@...gutronix.de>, 
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>, Maxime Ripard <mripard@...nel.org>, 
	Thomas Zimmermann <tzimmermann@...e.de>, David Airlie <airlied@...il.com>, Daniel Vetter <daniel@...ll.ch>, 
	Rob Herring <robh@...nel.org>, Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>, 
	Matthias Brugger <matthias.bgg@...il.com>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
	Jitao Shi <jitao.shi@...iatek.com>, CK Hu <ck.hu@...iatek.com>, 
	Catalin Marinas <catalin.marinas@....com>, Will Deacon <will@...nel.org>, 
	dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org, 
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, Fabien Parent <fparent@...libre.com>
Subject: Re: [PATCH v4 06/15] dt-bindings: display: mediatek: dpi: add
 power-domains property

Hi, Alexandre:

<amergnat@...libre.com> 於 2024年5月23日 週四 下午8:49寫道：
>
> From: Fabien Parent <fparent@...libre.com>
>
> DPI is part of the display / multimedia block in MediaTek SoCs, and
> always have a power-domain (at least in the upstream device-trees).
> Add the power-domains property to the binding documentation.

I've tired to apply this patch but has conflict. Please rebase this
patch onto latest mainline kernel.
Other binding patches in this series is applied to mediatek-drm-next [1].

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-next

Regards,
Chun-Kuang.

>
> Fixes: 9273cf7d3942 ("dt-bindings: display: mediatek: convert the dpi bindings to yaml")
> Signed-off-by: Fabien Parent <fparent@...libre.com>
> Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
> Acked-by: Rob Herring (Arm) <robh@...nel.org>
> Signed-off-by: Alexandre Mergnat <amergnat@...libre.com>
> ---
>  Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml | 5 +++++
>  1 file changed, 5 insertions(+)
>
> diff --git a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> index 6607cb1c6e0a..169d054d81ff 100644
> --- a/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> +++ b/Documentation/devicetree/bindings/display/mediatek/mediatek,dpi.yaml
> @@ -80,6 +80,9 @@ properties:
>        - port@0
>        - port@1
>
> +  power-domains:
> +    maxItems: 1
> +
>  required:
>    - compatible
>    - reg
> @@ -99,11 +102,13 @@ examples:
>    - |
>      #include <dt-bindings/interrupt-controller/arm-gic.h>
>      #include <dt-bindings/clock/mt8173-clk.h>
> +    #include <dt-bindings/power/mt8173-power.h>
>
>      dpi: dpi@...1d000 {
>          compatible = "mediatek,mt8173-dpi";
>          reg = <0x1401d000 0x1000>;
>          interrupts = <GIC_SPI 194 IRQ_TYPE_LEVEL_LOW>;
> +        power-domains = <&spm MT8173_POWER_DOMAIN_MM>;
>          clocks = <&mmsys CLK_MM_DPI_PIXEL>,
>               <&mmsys CLK_MM_DPI_ENGINE>,
>               <&apmixedsys CLK_APMIXED_TVDPLL>;
>
> --
> 2.25.1
>