linux-kernel - Re: [PATCH v8 03/20] mailbox: mtk-cmdq: Add cmdq private data to cmdq

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Message-ID: <f3d6bd0e-d682-4798-97a0-8bd60923b006@collabora.com>
Date: Mon, 20 Oct 2025 12:04:40 +0200
From: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>
To: Jason-JH Lin <jason-jh.lin@...iatek.com>, Rob Herring <robh@...nel.org>,
 Krzysztof Kozlowski <krzk+dt@...nel.org>, Conor Dooley
 <conor+dt@...nel.org>, Jassi Brar <jassisinghbrar@...il.com>,
 Chun-Kuang Hu <chunkuang.hu@...nel.org>,
 Mauro Carvalho Chehab <mchehab@...nel.org>
Cc: Matthias Brugger <matthias.bgg@...il.com>,
 Nicolas Dufresne <nicolas@...fresne.ca>, Nancy Lin <nancy.lin@...iatek.com>,
 Singo Chang <singo.chang@...iatek.com>,
 Paul-PL Chen <paul-pl.chen@...iatek.com>, Moudy Ho <moudy.ho@...iatek.com>,
 Xiandong Wang <xiandong.wang@...iatek.com>,
 Sirius Wang <sirius.wang@...iatek.com>, Fei Shao <fshao@...omium.org>,
 Chen-yu Tsai <wenst@...omium.org>,
 Project_Global_Chrome_Upstream_Group@...iatek.com,
 devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
 dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org,
 linux-arm-kernel@...ts.infradead.org, linux-media@...r.kernel.org
Subject: Re: [PATCH v8 03/20] mailbox: mtk-cmdq: Add cmdq private data to
 cmdq_pkt for generating instruction

Il 17/10/25 08:44, Jason-JH Lin ha scritto:
> Add the cmdq_mbox_priv structure to store the private data of GCE,
> such as the shift bits of the physical address. Then, include the
> cmdq_mbox_priv structure within the cmdq_pkt structure.
> 
> This allows CMDQ users to utilize the private data in cmdq_pkt to
> generate GCE instructions when needed. Additionally, having
> cmdq_mbox_priv makes it easier to expand and reference other GCE
> private data in the future.
> 
> Add cmdq_get_mbox_priv() for CMDQ users to get all the private data
> into the cmdq_mbox_priv of the cmdq_pkt.
> 
> Signed-off-by: Jason-JH Lin <jason-jh.lin@...iatek.com>

Reviewed-by: AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>