linux-kernel - Re: [PATCH v2 2/3] drm/mediatek: Add pm_runtime support for GCE power control

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Message-ID: <CAAOTY_8inC0s+md84zyjqyrfvsd4Aruy=oVCVsZfhqkv6WPk4g@mail.gmail.com>
Date: Sat, 1 Nov 2025 14:37:51 +0000
From: Chun-Kuang Hu <chunkuang.hu@...nel.org>
To: Jason-JH Lin <jason-jh.lin@...iatek.com>
Cc: Chun-Kuang Hu <chunkuang.hu@...nel.org>, 
	AngeloGioacchino Del Regno <angelogioacchino.delregno@...labora.com>, 
	Jassi Brar <jassisinghbrar@...il.com>, Mauro Carvalho Chehab <mchehab@...nel.org>, 
	Philipp Zabel <p.zabel@...gutronix.de>, David Airlie <airlied@...il.com>, 
	Simona Vetter <simona@...ll.ch>, Nancy Lin <nancy.lin@...iatek.com>, 
	Singo Chang <singo.chang@...iatek.com>, Paul-PL Chen <paul-pl.chen@...iatek.com>, 
	Yongqiang Niu <yongqiang.niu@...iatek.com>, Zhenxing Qin <zhenxing.qin@...iatek.com>, 
	Xiandong Wang <xiandong.wang@...iatek.com>, Sirius Wang <sirius.wang@...iatek.com>, 
	Xavier Chang <xavier.chang@...iatek.com>, Jarried Lin <jarried.lin@...iatek.com>, 
	Fei Shao <fshao@...omium.org>, Chen-yu Tsai <wenst@...omium.org>, 
	Project_Global_Chrome_Upstream_Group@...iatek.com, 
	dri-devel@...ts.freedesktop.org, linux-mediatek@...ts.infradead.org, 
	linux-kernel@...r.kernel.org, linux-arm-kernel@...ts.infradead.org, 
	linux-media@...r.kernel.org
Subject: Re: [PATCH v2 2/3] drm/mediatek: Add pm_runtime support for GCE power control

Jason-JH Lin <jason-jh.lin@...iatek.com> 於 2025年8月29日 週五 上午9:17寫道：
>
> Call pm_runtime_resume_and_get() before accessing GCE hardware in
> mbox_send_message(), and invoke pm_runtime_put_autosuspend() in the
> cmdq callback to release the PM reference and start autosuspend for
> GCE. This ensures correct power management for the GCE device.

Applied to mediatek-drm-fixes [1], thanks.

[1] https://git.kernel.org/pub/scm/linux/kernel/git/chunkuang.hu/linux.git/log/?h=mediatek-drm-fixes

Regards,
Chun-Kuang.

>
> Fixes: 8afe816b0c99 ("mailbox: mtk-cmdq-mailbox: Implement Runtime PM with autosuspend")
> Signed-off-by: Jason-JH Lin <jason-jh.lin@...iatek.com>
> ---