linux-kernel - Re: [Resend PATCH] topology: Set capacity_freq

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Message-ID: <c7b1f17a-5c08-4e65-b4ff-7d82d7fbc161@arm.com>
Date: Thu, 18 Jan 2024 13:10:02 +0100
From: Dietmar Eggemann <dietmar.eggemann@....com>
To: Vincent Guittot <vincent.guittot@...aro.org>, mingo@...hat.com,
 peterz@...radead.org, juri.lelli@...hat.com, rostedt@...dmis.org,
 bsegall@...gle.com, mgorman@...e.de, bristot@...hat.com,
 vschneid@...hat.com, sudeep.holla@....com, gregkh@...uxfoundation.org,
 rafael@...nel.org, linux-kernel@...r.kernel.org
Cc: lukasz.luba@....com, ionela.voinescu@....com
Subject: Re: [Resend PATCH] topology: Set capacity_freq_ref in all cases

On 17/01/2024 20:05, Vincent Guittot wrote:
> If "capacity-dmips-mhz" is not set, raw_capacity is null and we skip the
> normalization step which includes setting per_cpu capacity_freq_ref.
> Always register the notifier but skip the capacity normalization if
> raw_capacity is null.
> 
> Fixes: 9942cb22ea45 ("sched/topology: Add a new arch_scale_freq_ref() method")
> Signed-off-by: Vincent Guittot <vincent.guittot@...aro.org>
> ---

Reviewed-by: Dietmar Eggemann <dietmar.eggemann@....com>
Tested-by: Dietmar Eggemann <dietmar.eggemann@....com>

(on h960 w/ and w/o capacity-dmips-mhz in dts file)

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