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From: Viresh Kumar <viresh.kumar@linaro.org>
To: Ionela Voinescu <ionela.voinescu@arm.com>
Cc: rjw@rjwysocki.net, catalin.marinas@arm.com, sudeep.holla@arm.com,
	will@kernel.org, linux@armlinux.org.uk,
	valentin.schneider@arm.com, mingo@redhat.com,
	peterz@infradead.org, dietmar.eggemann@arm.com,
	linux-pm@vger.kernel.org, linux-arm-kernel@lists.infradead.org,
	linux-kernel@vger.kernel.org, Liviu Dudau <liviu.dudau@arm.com>
Subject: Re: [PATCH 4/8] cpufreq,vexpress-spc: fix Frequency Invariance (FI) for bL switching
Date: Thu, 2 Jul 2020 08:35:51 +0530
Message-ID: <20200702030551.p4cevaahgfvpum4o@vireshk-i7> (raw)
In-Reply-To: <20200701140735.GB32736@arm.com>

On 01-07-20, 15:07, Ionela Voinescu wrote:
> On Wednesday 01 Jul 2020 at 16:16:19 (+0530), Viresh Kumar wrote:
> > Is there anyone who cares for this driver and EAS ? I will just skip doing the
> > FIE thing here and mark it skipped.
> 
> That is a good question. The vexpress driver is still used for TC2, but
> I don't know of any users of this bL switcher functionality that's part
> of the driver. I think there were a few people wondering recently if
> it's still used [1].

Even if it is used by some, there is no need, I believe, to enable
freq-invariance for it, which wasn't enabled until now.

And considering that we are going to enable the flag only for the
interested parties now, as from the discussion on 1/8, this shouldn't
be required.

-- 
viresh

  reply index

Thread overview: 29+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-07-01  9:07 [PATCH 0/8] cpufreq: improve frequency invariance support Ionela Voinescu
2020-07-01  9:07 ` [PATCH 1/8] cpufreq: allow drivers to flag custom support for freq invariance Ionela Voinescu
2020-07-01 10:46   ` Viresh Kumar
2020-07-01 13:33     ` Ionela Voinescu
2020-07-01 16:05       ` Rafael J. Wysocki
2020-07-01 18:06         ` Ionela Voinescu
2020-07-02  2:58         ` Viresh Kumar
2020-07-02 11:44           ` Ionela Voinescu
2020-07-06 12:14             ` Dietmar Eggemann
2020-07-09  8:53               ` Ionela Voinescu
2020-07-09  9:09                 ` Viresh Kumar
2020-07-01  9:07 ` [PATCH 2/8] cpufreq: move invariance setter calls in cpufreq core Ionela Voinescu
2020-07-01 10:46   ` Viresh Kumar
2020-07-01 15:27     ` Ionela Voinescu
2020-07-01 15:51       ` Rafael J. Wysocki
2020-07-02  3:01         ` Viresh Kumar
2020-07-02 11:45         ` Ionela Voinescu
2020-07-01  9:07 ` [PATCH 3/8] cpufreq,drivers: remove setting of frequency scale factor Ionela Voinescu
2020-07-01  9:07 ` [PATCH 4/8] cpufreq,vexpress-spc: fix Frequency Invariance (FI) for bL switching Ionela Voinescu
2020-07-01 10:46   ` Viresh Kumar
2020-07-01 14:07     ` Ionela Voinescu
2020-07-02  3:05       ` Viresh Kumar [this message]
2020-07-02 11:41         ` Ionela Voinescu
2020-07-02 11:46           ` Viresh Kumar
2020-07-01  9:07 ` [PATCH 5/8] cpufreq: report whether cpufreq supports Frequency Invariance (FI) Ionela Voinescu
2020-07-01 10:46   ` Viresh Kumar
2020-07-01  9:07 ` [PATCH 6/8] arch_topology,cpufreq,sched/core: constify arch_* cpumasks Ionela Voinescu
2020-07-01  9:07 ` [PATCH 7/8] arch_topology,arm64: define arch_scale_freq_invariant() Ionela Voinescu
2020-07-01  9:07 ` [PATCH 8/8] cpufreq: make schedutil the default for arm and arm64 Ionela Voinescu

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