linux-kernel - RE: [PATCH v2 1/2] pmdomain: imx8m-blk-ctrl: Remove separate rst and clk mask for 8mq vpu

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Message-ID:
 <PAXPR04MB84591638C65B3C45EE6CB47F88DCA@PAXPR04MB8459.eurprd04.prod.outlook.com>
Date: Fri, 28 Nov 2025 10:29:02 +0000
From: Peng Fan <peng.fan@....com>
To: "Ming Qian (OSS)" <ming.qian@....nxp.com>, "linux-media@...r.kernel.org"
	<linux-media@...r.kernel.org>
CC: "mchehab@...nel.org" <mchehab@...nel.org>, "hverkuil-cisco@...all.nl"
	<hverkuil-cisco@...all.nl>, "nicolas@...fresne.ca" <nicolas@...fresne.ca>,
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	"p.zabel@...gutronix.de" <p.zabel@...gutronix.de>,
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	<festevam@...il.com>, dl-linux-imx <linux-imx@....com>,
	"l.stach@...gutronix.de" <l.stach@...gutronix.de>, Frank Li
	<frank.li@....com>, Eagle Zhou <eagle.zhou@....com>, "imx@...ts.linux.dev"
	<imx@...ts.linux.dev>, "linux-pm@...r.kernel.org" <linux-pm@...r.kernel.org>,
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	"linux-arm-kernel@...ts.infradead.org" <linux-arm-kernel@...ts.infradead.org>
Subject: RE: [PATCH v2 1/2] pmdomain: imx8m-blk-ctrl: Remove separate rst and
 clk mask for 8mq vpu

> Subject: [PATCH v2 1/2] pmdomain: imx8m-blk-ctrl: Remove separate
> rst and clk mask for 8mq vpu
> 
> From: Ming Qian <ming.qian@....nxp.com>
> 
> For i.MX8MQ platform, the ADB in the VPUMIX domain has no
> separate reset and clock enable bits, but is ungated and reset together
> with the VPUs.
> So we can't reset G1 or G2 separately, it may led to the system hang.
> Remove rst_mask and clk_mask of imx8mq_vpu_blk_ctl_domain_data.
> Let imx8mq_vpu_power_notifier() do really vpu reset.
> 
> Fixes: 608d7c325e85 ("soc: imx: imx8m-blk-ctrl: add i.MX8MQ VPU
> blk-ctrl")
> Signed-off-by: Ming Qian <ming.qian@....nxp.com>
> Reviewed-by: Benjamin Gaignard <benjamin.gaignard@...labora.com>

Reviewed-by: Peng Fan <peng.fan@....com>