linux-kernel - Re: [PATCH v3 02/15] dt-bindings: display: rockchip: analogix-dp: Add support for RK3588

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Message-ID: <tdhs45ac2ivdke7idrzxrhlgsqlnswkb2maorau3guzrrwpce3@emdq7xx6cpwz>
Date: Thu, 19 Dec 2024 09:28:03 +0100
From: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>
To: Damon Ding <damon.ding@...k-chips.com>
Cc: heiko@...ech.de, robh@...nel.org, krzk+dt@...nel.org, 
	conor+dt@...nel.org, rfoss@...nel.org, vkoul@...nel.org, 
	sebastian.reichel@...labora.com, cristian.ciocaltea@...labora.com, l.stach@...gutronix.de, 
	andy.yan@...k-chips.com, hjc@...k-chips.com, algea.cao@...k-chips.com, 
	kever.yang@...k-chips.com, dri-devel@...ts.freedesktop.org, devicetree@...r.kernel.org, 
	linux-arm-kernel@...ts.infradead.org, linux-rockchip@...ts.infradead.org, linux-kernel@...r.kernel.org, 
	linux-phy@...ts.infradead.org
Subject: Re: [PATCH v3 02/15] dt-bindings: display: rockchip: analogix-dp:
 Add support for RK3588

On Thu, Dec 19, 2024 at 04:05:51PM +0800, Damon Ding wrote:
> Compared with RK3288/RK3399, the HBR2 link rate support is the main
> improvement of RK3588 eDP TX controller, and there are also two
> independent eDP display interfaces on RK3588 Soc.
> 
> Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@...aro.org>

Drop, patch was very different.

> Signed-off-by: Damon Ding <damon.ding@...k-chips.com>
> 
> ---
> 
> Changes in v2:
> - Add the main defferences of the RK3588 eDP and the previous versions
>   in commit message
> 
> Changes in v3:
> - expand the property clock-names, resets and reset-names

Adding new properties invalidates reviews. The patch is entirely, really
significantly different so keeping the review is not acceptable.

> ---
>  .../display/rockchip/rockchip,analogix-dp.yaml     | 14 +++++++++++---
>  1 file changed, 11 insertions(+), 3 deletions(-)
> 
> diff --git a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
> index 60dedf9b2be7..4f84e8849876 100644
> --- a/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
> +++ b/Documentation/devicetree/bindings/display/rockchip/rockchip,analogix-dp.yaml
> @@ -15,6 +15,7 @@ properties:
>      enum:
>        - rockchip,rk3288-dp
>        - rockchip,rk3399-edp
> +      - rockchip,rk3588-edp
>  
>    clocks:
>      minItems: 2
> @@ -25,16 +26,23 @@ properties:
>      items:
>        - const: dp
>        - const: pclk
> -      - const: grf
> +      - enum:
> +          - grf
> +          - spdif

No, this cannot be flexible for existing variants.

>  
>    power-domains:
>      maxItems: 1
>  
>    resets:
> -    maxItems: 1
> +    minItems: 1
> +    maxItems: 2

No, you must list the items.

>  
>    reset-names:
> -    const: dp
> +    minItems: 1
> +    items:
> +      - const: dp
> +      - enum:
> +          - apb

I don't understand what happened here but all this is NAK. Why suddenly
existing variants became different/changed? Nothing in commit msg
explains this.

Best regards,
Krzysztof