linux-kernel - Re: [PATCH v3 2/6] pmdomain: Respect the CPU system wakeup QoS limit for s2idle

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Message-ID: <20251125052726.26blhgd5rb3swowk@lcpd911>
Date: Tue, 25 Nov 2025 10:57:26 +0530
From: Dhruva Gole <d-gole@...com>
To: Ulf Hansson <ulf.hansson@...aro.org>
CC: "Rafael J . Wysocki" <rafael@...nel.org>, <linux-pm@...r.kernel.org>,
	Vincent Guittot <vincent.guittot@...aro.org>, Peter Zijlstra
	<peterz@...radead.org>, Kevin Hilman <khilman@...libre.com>, Pavel Machek
	<pavel@...nel.org>, Len Brown <len.brown@...el.com>, Daniel Lezcano
	<daniel.lezcano@...aro.org>, Maulik Shah <quic_mkshah@...cinc.com>, "Prasad
 Sodagudi" <psodagud@...cinc.com>, Deepti Jaggi <quic_djaggi@...cinc.com>,
	<linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 2/6] pmdomain: Respect the CPU system wakeup QoS limit
 for s2idle

On Nov 21, 2025 at 11:03:08 +0100, Ulf Hansson wrote:
> A CPU system wakeup QoS limit may have been requested by user space. To
> avoid breaking this constraint when entering a low power state during
> s2idle through genpd, let's extend the corresponding genpd governor for
> CPUs. More precisely, during s2idle let the genpd governor select a
> suitable domain idle state, by taking into account the QoS limit.
> 
> Signed-off-by: Ulf Hansson <ulf.hansson@...aro.org>

Reviewed-by: Dhruva Gole <d-gole@...com>

-- 
Best regards,
Dhruva Gole
Texas Instruments Incorporated