Linux Power Management development
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From: Dietmar Eggemann <dietmar.eggemann@arm.com>
To: Lukasz Luba <lukasz.luba@arm.com>,
	linux-kernel@vger.kernel.org, linux-pm@vger.kernel.org,
	rafael@kernel.org
Cc: linux-arm-kernel@lists.infradead.org, sboyd@kernel.org,
	nm@ti.com, linux-samsung-soc@vger.kernel.org,
	daniel.lezcano@linaro.org, viresh.kumar@linaro.org,
	krzysztof.kozlowski@linaro.org, alim.akhtar@samsung.com,
	m.szyprowski@samsung.com, mhiramat@kernel.org
Subject: Re: [PATCH v4 4/4] soc: samsung: exynos-asv: Update Energy Model after adjusting voltage
Date: Wed, 3 Apr 2024 14:07:55 +0200	[thread overview]
Message-ID: <6445e850-fe24-4eb2-86f0-217b62b9001d@arm.com> (raw)
In-Reply-To: <20240402155822.505491-5-lukasz.luba@arm.com>

On 02/04/2024 17:58, Lukasz Luba wrote:

[...]

> @@ -97,9 +98,17 @@ static int exynos_asv_update_opps(struct exynos_asv *asv)
>  			last_opp_table = opp_table;
>  
>  			ret = exynos_asv_update_cpu_opps(asv, cpu);
> -			if (ret < 0)
> +			if (!ret) {
> +				/*
> +				 * When the voltage for OPPs could be changed,
> +				 * make sure to update the EM power values, to
> +				 * reflect the reality and not use stale data.
> +				 */

Maybe shorter?

                                /*
                                 * Update EM power values since OPP
                                 * voltage values may have changed.
                                 */

[...]

  reply	other threads:[~2024-04-03 12:07 UTC|newest]

Thread overview: 9+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2024-04-02 15:58 [PATCH v4 0/4] Update Energy Model after chip binning adjusted voltages Lukasz Luba
2024-04-02 15:58 ` [PATCH v4 1/4] OPP: OF: Export dev_opp_pm_calc_power() for usage from EM Lukasz Luba
2024-04-03 12:07   ` Dietmar Eggemann
2024-04-02 15:58 ` [PATCH v4 2/4] PM: EM: Refactor em_adjust_new_capacity() Lukasz Luba
2024-04-02 15:58 ` [PATCH v4 3/4] PM: EM: Add em_dev_update_chip_binning() Lukasz Luba
2024-04-02 15:58 ` [PATCH v4 4/4] soc: samsung: exynos-asv: Update Energy Model after adjusting voltage Lukasz Luba
2024-04-03 12:07   ` Dietmar Eggemann [this message]
2024-04-03 12:07 ` [PATCH v4 0/4] Update Energy Model after chip binning adjusted voltages Dietmar Eggemann
2024-04-03 12:36   ` Lukasz Luba

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