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From: Nicolas Dufresne <nicolas.dufresne@collabora.com>
To: Igor Velkov <iav@iav.lv>,
	Detlev Casanova <detlev.casanova@collabora.com>,
	 Ezequiel Garcia <ezequiel@vanguardiasur.com.ar>
Cc: Hans Verkuil <hverkuil+cisco@kernel.org>,
	Mauro Carvalho Chehab	 <mchehab@kernel.org>,
	Heiko Stuebner <heiko@sntech.de>,
	Diederik de Haas	 <diederik@cknow-tech.com>,
	Jonas Karlman <jonas@kwiboo.se>,
	Francesco Saverio Pavone <pavone.lawyer@gmail.com>,
	linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org,
		linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, 	stable@vger.kernel.org
Subject: Re: [PATCH] media: rkvdec: Do not keep the clocks enabled from probe
Date: Mon, 02 Nov 2026 10:21:20 -0500	[thread overview]
Message-ID: <8aafdbbf04a0d939c6b4d7d5577d97bb58d1c439.camel@collabora.com> (raw)
In-Reply-To: <20261030-rkvdec-runtime-pm-clocks-nicolas-reply-1@iav.lv>

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Hi,

Le vendredi 30 octobre 2026 à 20:05 +0200, Igor Velkov a écrit :
> On Fri, 30 Oct 2026 08:49:03 -0400, Nicolas Dufresne wrote:
> > So if CONFIG_PM is not set, the initial resume will never occur, and first mmio
> > access will likely hang the CPU. We need a clean pattern to handle this, and
> > perhaps review other similar drivers while at it.
> 
> PM=n only happens with COMPILE_TEST: ARCH_ROCKCHIP selects PM on arm64 and
> arm. rkvdec had the same gap until 6a846f7d72c7; rga and rkisp1 have it today.
> v2 keeps the clocks enabled from probe when PM is off, as etnaviv and v3d do:
> https://lore.kernel.org/r/20261030-rkvdec-runtime-pm-clocks-v2-1-8ff510a231de@iav.lv
> rga and rkisp1 as separate patches?

Thanks for v2, and yes, best to send0 independent patches per driver assuming
you have time to do so.

regards,
Nicolas

> 
> _______________________________________________
> Linux-rockchip mailing list
> Linux-rockchip@lists.infradead.org
> http://lists.infradead.org/mailman/listinfo/linux-rockchip

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      reply	other threads:[~2026-11-02 15:21 UTC|newest]

Thread overview: 4+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2026-10-30  1:33 Igor Velkov via B4 Relay
2026-10-30 12:49 ` Nicolas Dufresne
2026-10-30 18:05   ` Igor Velkov
2026-11-02 15:21     ` Nicolas Dufresne [this message]

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