linux-kernel - [PATCH 0/9] Add GCE support for MT8196 (series 1/4)

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Message-ID: <20251031155838.1650833-1-jason-jh.lin@mediatek.com>
Date: Fri, 31 Oct 2025 23:56:28 +0800
From: Jason-JH Lin <jason-jh.lin@...iatek.com>
To: 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>, AngeloGioacchino Del Regno
	<angelogioacchino.delregno@...labora.com>, Mauro Carvalho Chehab
	<mchehab@...nel.org>
CC: Matthias Brugger <matthias.bgg@...il.com>, Nicolas Dufresne
	<nicolas@...fresne.ca>, Jason-JH Lin <jason-jh.lin@...iatek.com>, 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>,
	Jason-jh Lin <jason-jh.lin@...iatek.corp-partner.google.com>
Subject: [PATCH 0/9] Add GCE support for MT8196 (series 1/4)

From: Jason-jh Lin <jason-jh.lin@...iatek.corp-partner.google.com>

This series adds initial support for the MediaTek MT8196 GCE in the CMDQ
driver, including related API changes for new hardware requirements.

Series application order:
  1. [Fixes] Refine DMA address handling for the command buffer
  - https://lore.kernel.org/all/20251022171847.379470-1-jason-jh.lin@mediatek.com/
  2. [Series 1/4] Add GCE support for MT8196 and update CMDQ APIs (this series)
  3. [Series 2/4] Migrate subsystems to new CMDQ APIs
  4. [Series 3/4] Remove shift_pa from CMDQ jump functions
  5. [Series 4/4] Remove deprecated CMDQ APIs

Please apply this series after the DMA address handling Fixes patch[1],
and before the following series.

---

Jason-JH Lin (9):
  arm64: dts: mediatek: Add GCE header for MT8196
  mailbox: mtk-cmdq: Add cmdq private data to cmdq_pkt for generating
    instruction
  mailbox: mtk-cmdq: Add GCE hardware virtualization configuration
  mailbox: mtk-cmdq: Add mminfra_offset configuration for DRAM
    transaction
  mailbox: mtk-cmdq: Add driver data to support for MT8196
  soc: mediatek: mtk-cmdq: Add cmdq_get_mbox_priv() in cmdq_pkt_create()
  soc: mediatek: mtk-cmdq: Add pa_base parsing for hardware without
    subsys ID support
  soc: mediatek: mtk-cmdq: Extend cmdq_pkt_write API for SoCs without
    subsys ID
  soc: mediatek: mtk-cmdq: Add mminfra_offset adjustment for DRAM
    addresses

 arch/arm64/boot/dts/mediatek/mt8196-gce.h | 612 ++++++++++++++++++++++
 drivers/mailbox/mtk-cmdq-mailbox.c        |  74 ++-
 drivers/soc/mediatek/mtk-cmdq-helper.c    |  77 ++-
 include/linux/mailbox/mtk-cmdq-mailbox.h  |  19 +
 include/linux/soc/mediatek/mtk-cmdq.h     |  93 ++++
 5 files changed, 869 insertions(+), 6 deletions(-)
 create mode 100644 arch/arm64/boot/dts/mediatek/mt8196-gce.h

-- 
2.43.0