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From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Vinod Koul <vkoul@kernel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Rob Clark <robdclark@gmail.com>, Sean Paul <sean@poorly.run>,
	Abhinav Kumar <quic_abhinavk@quicinc.com>,
	David Airlie <airlied@linux.ie>, Daniel Vetter <daniel@ffwll.ch>,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	Krishna Manikandan <mkrishn@codeaurora.org>,
	linux-arm-msm@vger.kernel.org, dri-devel@lists.freedesktop.org,
	freedreno@lists.freedesktop.org, devicetree@vger.kernel.org,
	linux-kernel@vger.kernel.org
Subject: Re: [PATCH] dt-bindings: display: msm: dsi: remove address/size cells
Date: Mon, 28 Mar 2022 19:17:55 +0200	[thread overview]
Message-ID: <12b0056b-8032-452b-f325-6f36037b5a80@linaro.org> (raw)
In-Reply-To: <YkHtY9absUjmqmW7@matsya>

On 28/03/2022 19:16, Vinod Koul wrote:
> On 28-03-22, 19:43, Dmitry Baryshkov wrote:
>> On Mon, 28 Mar 2022 at 18:30, Krzysztof Kozlowski
>> <krzysztof.kozlowski@linaro.org> wrote:
>>>
>>> The DSI node is not a bus and the children do not have unit addresses.
>>>
>>> Reported-by: Vinod Koul <vkoul@kernel.org>
>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>>
>> NAK.
>> DSI panels are children of the DSI device tree node with the reg = <0>; address.
>> This is the convention used by other platforms too (see e.g.
>> arch/arm64/boot/dts/freescale/imx8mq-evk.dts).
> 
> So we should add reg = 0, i will update my dtsi fix
> 

To "ports" node? No. The reg=0 is for children of the bus, so the
panels. How to combine both without warnings - ports and panel@0 - I
don't know yet...

Best regards,
Krzysztof

WARNING: multiple messages have this Message-ID (diff)
From: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
To: Vinod Koul <vkoul@kernel.org>,
	Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Cc: Krishna Manikandan <mkrishn@codeaurora.org>,
	devicetree@vger.kernel.org, David Airlie <airlied@linux.ie>,
	linux-arm-msm@vger.kernel.org,
	Abhinav Kumar <quic_abhinavk@quicinc.com>,
	dri-devel@lists.freedesktop.org, linux-kernel@vger.kernel.org,
	Rob Herring <robh+dt@kernel.org>,
	Krzysztof Kozlowski <krzk+dt@kernel.org>,
	freedreno@lists.freedesktop.org, Sean Paul <sean@poorly.run>
Subject: Re: [PATCH] dt-bindings: display: msm: dsi: remove address/size cells
Date: Mon, 28 Mar 2022 19:17:55 +0200	[thread overview]
Message-ID: <12b0056b-8032-452b-f325-6f36037b5a80@linaro.org> (raw)
In-Reply-To: <YkHtY9absUjmqmW7@matsya>

On 28/03/2022 19:16, Vinod Koul wrote:
> On 28-03-22, 19:43, Dmitry Baryshkov wrote:
>> On Mon, 28 Mar 2022 at 18:30, Krzysztof Kozlowski
>> <krzysztof.kozlowski@linaro.org> wrote:
>>>
>>> The DSI node is not a bus and the children do not have unit addresses.
>>>
>>> Reported-by: Vinod Koul <vkoul@kernel.org>
>>> Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
>>
>> NAK.
>> DSI panels are children of the DSI device tree node with the reg = <0>; address.
>> This is the convention used by other platforms too (see e.g.
>> arch/arm64/boot/dts/freescale/imx8mq-evk.dts).
> 
> So we should add reg = 0, i will update my dtsi fix
> 

To "ports" node? No. The reg=0 is for children of the bus, so the
panels. How to combine both without warnings - ports and panel@0 - I
don't know yet...

Best regards,
Krzysztof

  reply	other threads:[~2022-03-28 17:18 UTC|newest]

Thread overview: 22+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2022-03-28 15:29 [PATCH] dt-bindings: display: msm: dsi: remove address/size cells Krzysztof Kozlowski
2022-03-28 15:52 ` Krzysztof Kozlowski
2022-03-28 16:43 ` Dmitry Baryshkov
2022-03-28 16:43   ` Dmitry Baryshkov
2022-03-28 17:04   ` Krzysztof Kozlowski
2022-03-28 17:04     ` Krzysztof Kozlowski
2022-03-28 17:16   ` Vinod Koul
2022-03-28 17:16     ` Vinod Koul
2022-03-28 17:17     ` Krzysztof Kozlowski [this message]
2022-03-28 17:17       ` Krzysztof Kozlowski
2022-03-28 18:21       ` Rob Herring
2022-03-28 18:21         ` Rob Herring
2022-03-29  6:31         ` Vinod Koul
2022-03-29  6:31           ` Vinod Koul
2022-03-29 15:52           ` Rob Herring
2022-03-29 15:52             ` Rob Herring
2022-03-31  6:05             ` Vinod Koul
2022-03-31  6:05               ` Vinod Koul
2022-03-31  9:34               ` Dmitry Baryshkov
2022-03-31  9:34                 ` Dmitry Baryshkov
2022-03-31 15:51                 ` Rob Herring
2022-03-31 15:51                   ` Rob Herring

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