linux-kernel - Re: [PATCH v4 5/5] dt-bindings: display: mediatek: dpi: correct power-domains property

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Message-ID: <7f212146-3dc7-9a0d-baf4-ac7a5b845060@mediatek.com>
Date: Wed, 2 Oct 2024 11:09:07 +0800
From: Macpaul Lin <macpaul.lin@...iatek.com>
To: Rob Herring <robh@...nel.org>
CC: Chun-Kuang Hu <chunkuang.hu@...nel.org>, Philipp Zabel
	<p.zabel@...gutronix.de>, David Airlie <airlied@...il.com>, Simona Vetter
	<simona@...ll.ch>, Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>, Thomas Zimmermann <tzimmermann@...e.de>,
	Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley <conor+dt@...nel.org>,
	Yong Wu <yong.wu@...iatek.com>, Joerg Roedel <joro@...tes.org>, Will Deacon
	<will@...nel.org>, Robin Murphy <robin.murphy@....com>, Matthias Brugger
	<matthias.bgg@...il.com>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, Rohit Agarwal
	<rohiagar@...omium.org>, <dri-devel@...ts.freedesktop.org>,
	<linux-mediatek@...ts.infradead.org>, <devicetree@...r.kernel.org>,
	<linux-kernel@...r.kernel.org>, <iommu@...ts.linux.dev>,
	<linux-arm-kernel@...ts.infradead.org>, Alexandre Mergnat
	<amergnat@...libre.com>, Bear Wang <bear.wang@...iatek.com>, Pablo Sun
	<pablo.sun@...iatek.com>, Macpaul Lin <macpaul@...il.com>, Sen Chu
	<sen.chu@...iatek.com>, Chris-qj chen <chris-qj.chen@...iatek.com>, MediaTek
 Chromebook Upstream <Project_Global_Chrome_Upstream_Group@...iatek.com>,
	Chen-Yu Tsai <wenst@...omium.org>, Jitao Shi <jitao.shi@...iatek.com>
Subject: Re: [PATCH v4 5/5] dt-bindings: display: mediatek: dpi: correct
 power-domains property



On 10/2/24 09:51, Rob Herring wrote:
> 	
> 
> External email : Please do not click links or open attachments until you 
> have verified the sender or the content.
> 
> On Mon, Sep 30, 2024 at 04:38:54PM +0800, Macpaul Lin wrote:
>> The MediaTek DPI module is typically associated with one of the
>> following multimedia power domains:
>>  - POWER_DOMAIN_DISPLAY
>>  - POWER_DOMAIN_VDOSYS
>>  - POWER_DOMAIN_MM
>> The specific power domain used varies depending on the SoC design.
>> 
>> These power domains are shared by multiple devices within the SoC.
>> In most cases, these power domains are enabled by other devices.
>> As a result, the DPI module of legacy SoCs often functions correctly
>> even without explicit configuration.
>> 
>> It is recommended to explicitly add the appropriate power domain
>> property to the DPI node in the device tree. Hence drop the
>> compatible checking for specific SoCs.
>> 
>> Fixes: 5474d49b2f79 ("dt-bindings: display: mediatek: dpi: Add power domains")
>> Signed-off-by: Macpaul Lin <macpaul.lin@...iatek.com>
>> Signed-off-by: Jitao Shi <jitao.shi@...iatek.com>
>> Signed-off-by: Pablo Sun <pablo.sun@...iatek.com>
>> ---
>>  .../display/mediatek/mediatek,dpi.yaml        | 24 ++++++++-----------
>>  1 file changed, 10 insertions(+), 14 deletions(-)
> 
> You missed Krzysztof's R-by tag.
> 

Oh, I just missed that reply for v3 in the mailbox
and thought it still need to be reviewed.
I just found Krzysztof's R-by tag in the mailbox right now.

I'll send an update for this patch set.
Thanks for the reminder.

Regards,
Macpaul Lin