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[109.252.156.195]) by smtp.gmail.com with ESMTPSA id 2adb3069b0e04-5a123573d69sm189012e87.70.2026.03.02.15.23.50 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Mon, 02 Mar 2026 15:23:51 -0800 (PST) Message-ID: <4b98421a-9e64-48cb-9726-ff34a5b9cc76@gmail.com> Date: Tue, 3 Mar 2026 02:23:49 +0300 Precedence: bulk X-Mailing-List: linux-tegra@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v1 1/1] devfreq: tegra30-devfreq: add support for Tegra114 To: Svyatoslav Ryhel , MyungJoo Ham , Kyungmin Park , Chanwoo Choi , Thierry Reding , Jonathan Hunter , Mikko Perttunen Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org References: <20260126185423.77786-1-clamor95@gmail.com> <20260126185423.77786-2-clamor95@gmail.com> Content-Language: en-US From: Dmitry Osipenko In-Reply-To: <20260126185423.77786-2-clamor95@gmail.com> Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit 26.01.2026 21:54, Svyatoslav Ryhel пишет: > Lets add Tegra114 support to activity monitor device as a preparation to > upcoming EMC controller support. > > Signed-off-by: Svyatoslav Ryhel > Reviewed-by: Mikko Perttunen > --- > drivers/devfreq/tegra30-devfreq.c | 17 ++++++++++++----- > 1 file changed, 12 insertions(+), 5 deletions(-) > > diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c > index 8ea5b482bfb3..fa83480a923f 100644 > --- a/drivers/devfreq/tegra30-devfreq.c > +++ b/drivers/devfreq/tegra30-devfreq.c > @@ -963,16 +963,22 @@ static int tegra_devfreq_probe(struct platform_device *pdev) > return 0; > } > > +/* > + * The activity counter is incremented every 256 memory transactions. However, > + * the number of clock cycles required for each transaction varies across > + * different SoC generations. For instance, a single transaction takes 2 EMC > + * clocks on Tegra30, 1 EMC clock on Tegra114, and 4 EMC clocks on Tegra124. > + */ > static const struct tegra_devfreq_soc_data tegra124_soc = { > .configs = tegra124_device_configs, > - > - /* > - * Activity counter is incremented every 256 memory transactions, > - * and each transaction takes 4 EMC clocks. > - */ > .count_weight = 4 * 256, > }; > > +static const struct tegra_devfreq_soc_data tegra114_soc = { > + .configs = tegra124_device_configs, > + .count_weight = 256, > +}; > + > static const struct tegra_devfreq_soc_data tegra30_soc = { > .configs = tegra30_device_configs, > .count_weight = 2 * 256, > @@ -980,6 +986,7 @@ static const struct tegra_devfreq_soc_data tegra30_soc = { > > static const struct of_device_id tegra_devfreq_of_match[] = { > { .compatible = "nvidia,tegra30-actmon", .data = &tegra30_soc, }, > + { .compatible = "nvidia,tegra114-actmon", .data = &tegra114_soc, }, > { .compatible = "nvidia,tegra124-actmon", .data = &tegra124_soc, }, > { }, > }; Acked-by: Dmitry Osipenko