linux-kernel - Re: [PATCH v2 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph support for board path

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Message-ID: <20240513-papaya-bagged-8f01503b0a22@spud>
Date: Mon, 13 May 2024 17:28:29 +0100
From: Conor Dooley <conor@...nel.org>
To: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
Cc: CK Hu (胡俊光) <ck.hu@...iatek.com>,
	"chunkuang.hu@...nel.org" <chunkuang.hu@...nel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
	"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>,
	"wenst@...omium.org" <wenst@...omium.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"tzimmermann@...e.de" <tzimmermann@...e.de>,
	Shawn Sung (宋孝謙) <Shawn.Sung@...iatek.com>,
	"mripard@...nel.org" <mripard@...nel.org>,
	Jitao Shi (石记涛) <jitao.shi@...iatek.com>,
	"daniel@...ll.ch" <daniel@...ll.ch>,
	"p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>,
	"maarten.lankhorst@...ux.intel.com" <maarten.lankhorst@...ux.intel.com>,
	"robh@...nel.org" <robh@...nel.org>,
	"dri-devel@...ts.freedesktop.org" <dri-devel@...ts.freedesktop.org>,
	"airlied@...il.com" <airlied@...il.com>,
	"krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
	"kernel@...labora.com" <kernel@...labora.com>,
	"matthias.bgg@...il.com" <matthias.bgg@...il.com>,
	Yu-chang Lee (李禹璋) <Yu-chang.Lee@...iatek.com>,
	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>
Subject: Re: [PATCH v2 2/3] dt-bindings: arm: mediatek: mmsys: Add OF graph
 support for board path

On Mon, May 13, 2024 at 03:44:00PM +0200, AngeloGioacchino Del Regno wrote:
> Il 13/05/24 08:15, CK Hu (胡俊光) ha scritto:
> > On Fri, 2024-05-10 at 12:14 +0200, AngeloGioacchino Del Regno wrote:
> > > Il 10/05/24 11:34, CK Hu (胡俊光) ha scritto:
> > > > On Thu, 2024-05-09 at 11:27 +0200, AngeloGioacchino Del Regno
> > > > wrote:
> > > > > Il 09/05/24 07:42, CK Hu (胡俊光) ha scritto:
> > > > > > On Wed, 2024-05-08 at 15:03 +0200, AngeloGioacchino Del Regno
> > > > > > wrote:
> > > > > > > Il 08/05/24 09:19, CK Hu (胡俊光) ha scritto:
> > > > > > > > On Tue, 2024-05-07 at 16:07 +0200, AngeloGioacchino Del
> > > > > > > > Regno
> > > > > > > > wrote:
> > > > > > > > > Il 07/05/24 08:59, CK Hu (胡俊光) ha scritto:
> > > > > > > > > > On Thu, 2024-05-02 at 10:50 +0200, AngeloGioacchino Del
> > > > > > > > > > Regno
> > > > > > > > > > wrote:
> > > > > > > > > > > Il 25/04/24 04:23, CK Hu (胡俊光) ha scritto:
> > > > > > > > > > > > Hi, Angelo:
> > > > > > > > > > > > 
> > > > > > > > > > > > On Tue, 2024-04-09 at 14:02 +0200, AngeloGioacchino
> > > > > > > > > > > > Del
> > > > > > > > > > > > Regno
> > > > > > > > > > > > wrote:
> > > > > > > > > > > > > Document OF graph on MMSYS/VDOSYS: this supports
> > > > > > > > > > > > > up
> > > > > > > > > > > > > to
> > > > > > > > > > > > > three
> > > > > > > > > > > > > DDP
> > > > > > > > > > > > > paths
> > > > > > > > > > > > > per HW instance (so potentially up to six
> > > > > > > > > > > > > displays
> > > > > > > > > > > > > for
> > > > > > > > > > > > > multi-
> > > > > > > > > > > > > vdo
> > > > > > > > > > > > > SoCs).
> > > > > > > > > > > > > 
> > > > > > > > > > > > > The MMSYS or VDOSYS is always the first component
> > > > > > > > > > > > > in
> > > > > > > > > > > > > the
> > > > > > > > > > > > > DDP
> > > > > > > > > > > > > pipeline,
> > > > > > > > > > > > > so it only supports an output port with multiple
> > > > > > > > > > > > > endpoints -
> > > > > > > > > > > > > where
> > > > > > > > > > > > > each
> > > > > > > > > > > > > endpoint defines the starting point for one of
> > > > > > > > > > > > > the
> > > > > > > > > > > > > (currently
> > > > > > > > > > > > > three)
> > > > > > > > > > > > > possible hardware paths.
> > > > > > > > > > > > > 
> > > > > > > > > > > > > Signed-off-by: AngeloGioacchino Del Regno <
> > > > > > > > > > > > > angelogioacchino.delregno@...labora.com>

One of you guys, probably 胡俊光, has a mail client that is completely
mangling these quotes. Can you try to fix that please? It makes reading
the thread unfun :/

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