linux-kernel - Re: [PATCH] media: cedrus: Implement runtime PM

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Date:   Wed, 8 Apr 2020 11:41:12 +0200
From:   Maxime Ripard <maxime@...no.tech>
To:     Samuel Holland <samuel@...lland.org>
Cc:     Paul Kocialkowski <paul.kocialkowski@...tlin.com>,
        Chen-Yu Tsai <wens@...e.org>,
        Mauro Carvalho Chehab <mchehab@...nel.org>,
        Greg Kroah-Hartman <gregkh@...uxfoundation.org>,
        linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org,
        linux-media@...r.kernel.org, linux-sunxi@...glegroups.com
Subject: Re: [PATCH] media: cedrus: Implement runtime PM

On Tue, Apr 07, 2020 at 08:02:32PM -0500, Samuel Holland wrote:
> This allows the VE clocks and PLL_VE to be disabled most of the time.
>
> Since the device is stateless, each frame gets a separate runtime PM
> reference. Enable autosuspend so the PM callbacks are not run before and
> after every frame.
>
> Signed-off-by: Samuel Holland <samuel@...lland.org>

Acked-by: Maxime Ripard <mripard@...nel.org>

Thanks!
Maxime

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