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Tue, 16 Jul 2019 20:52:09 +0900 (KST) Received: from [10.113.221.102] (unknown [10.113.221.102]) by epsmtip1.samsung.com (KnoxPortal) with ESMTPA id 20190716115209epsmtip1ffe9b7031567957857071367bb616d4a~x4P59znDW2972629726epsmtip1Y; Tue, 16 Jul 2019 11:52:09 +0000 (GMT) Subject: Re: [PATCH v4 06/24] PM / devfreq: tegra30: Tune up boosting thresholds To: Dmitry Osipenko , Thierry Reding , MyungJoo Ham , Kyungmin Park , Jonathan Hunter , Tomeu Vizoso Cc: linux-pm@vger.kernel.org, linux-tegra@vger.kernel.org, linux-kernel@vger.kernel.org From: Chanwoo Choi Organization: Samsung Electronics Message-ID: Date: Tue, 16 Jul 2019 20:55:15 +0900 User-Agent: Mozilla/5.0 (X11; Linux x86_64; rv:60.0) Gecko/20100101 Thunderbird/60.7.2 MIME-Version: 1.0 In-Reply-To: <20190707223303.6755-7-digetx@gmail.com> Content-Language: en-US Content-Transfer-Encoding: 8bit X-Brightmail-Tracker: H4sIAAAAAAAAA01SWUwTURTNa6fTqVgdi8oVtzIuCdUiQx0ZVHCNaYSPqglxCcEJTIDQLZ2W gMaIokCJiEqioSC4QRQkoEGFBiUCKi4obriSgBCDaNwhEgnadjDyd+495y7nvUtIVdV4IJFi tvM2M2ek8AnY1ZbgEG2KWxsXerw4jK361ovYA64zGNu+/5Ocfeouwdkf+a2Idf504eybfedx dthdirGHq5/gqxX6+q5zSN/g6pLr87M+4/rDdZVI/+PyHINse+rKZJ5L5G1q3pxgSUwxJ0VS 0Vvi18Uzy0JpLR3BhlNqM2fiI6n1MQbthhSjZyFKncYZHZ6UgRMEaknUSpvFYefVyRbBHknx 1kSjNcIaInAmwWFOCkmwmJbToaFhjEe4MzU5s+CdxNqmSO/46p+JeuR5iCCAXAr9p6fnoQmE iqxH8HWwCM9DCk/wHcGp9lUiMYSgt/O93Et4C1oev8ZF4jqCkvJRJAZfEAxUFvhU/uRmuFlc KPMSU8lRBM7hLF9fKbkNWhqqJF6Mkxpo6n/py08mg+D5r17kxUoyCvKfvcK8GCMXwJ2eYz79 NHIr3GstxUTNFLhb1OfDCpKBj4WtSOwfAK/7yiQingtZV4ql3iWA/IPD22NDMtH0enBdmyja 8YeBO3Vj1gLhQ0H2GN4NF+624mJtLoK6pg6ZSOigqbxQ4u0jJYOhxr1ETAdBw++TYztMgs+D h8ZGKSE3WyVK5sHT7i6JiGfA2RwnfgRRrnFuXOMcuMY5cP0fdgphlWg6bxVMSbxAW5nxf30Z +U5VE1GPbj+MaUYkgaiJyrbGxXEqGZcmZJiaERBSaqoycnBRnEqZyGXs4m2WeJvDyAvNiPE8 9lFp4LQEi+fwzfZ4mgnT6XTsUnoZQ9NUgLJ0JDhORSZxdj6V56287V+dhFAEZiLGaTg4MqNM e+FRUdMGqbajwu+ec1H+7I4XAyWx63Iu1qavnSPvm9/Y3TJUdmTSrNvhJwpvtHV+NOxdmHsp WtDkVWr0PzNqdhQN70Gpzt+3ak0ORbWw8WLzlm2Ysv9+UJTxvXrNs00VJ7J3rKhqbP80K0KX TuDVfg+YM7HuzpmxaS8oTEjmaI3UJnB/AZLEEFbAAwAA X-Brightmail-Tracker: H4sIAAAAAAAAA+NgFprFIsWRmVeSWpSXmKPExsWy7bCSnG7mLt1Yg+Y7kharPz5mtGiZtYjF 4mzTG3aLy7vmsFl87j3CaNH5ZRabxe3GFWwWP3fNY7HoW3uJzYHTY8fdJYweO2fdZffobX7H 5tG3ZRWjx+dNcgGsUVw2Kak5mWWpRfp2CVwZDf2PmApOcFZc+CDcwPiQvYuRk0NCwETi8MVb bF2MXBxCArsZJTb82M0EkZCUmHbxKHMXIweQLSxx+HAxRM1bRolp836xgdQICwRJHJw9mRUk ISLQxCSxqfcC2FRmgUiJnrlboKZuZpRY9fQNM0iCTUBLYv+LG2Dd/AKKEld/PGYEsXkF7CR6 r9xkAbFZBFQljj+cBHaFqECExKRrO1kgagQlTs58AmZzCphKvJ58hBFimbrEn3mXmCFscYlb T+YzQdjyEs1bZzNPYBSehaR9FpKWWUhaZiFpWcDIsopRMrWgODc9t9iwwDAvtVyvODG3uDQv XS85P3cTIzjGtDR3MF5eEn+IUYCDUYmH98QenVgh1sSy4srcQ4wSHMxKIry2X7VjhXhTEiur Uovy44tKc1KLDzFKc7AoifM+zTsWKSSQnliSmp2aWpBaBJNl4uCUamDMf/6v7JVFtkbb7mUN sl2hqTtvV61P+tl9aMd+/Zw7EwKe+8ROzEvM2y6470+B5HROp9IFP3inRm0NDDsWtmiVYsi2 SQ97J/s+3735/49S9rOBrV7TYm5///6Z4fH7lbFd1ZcZLqsvDNf93Nfhpzh93b8FV8LCwlec +Zk1uzXSOPdpVYLj5eA/SizFGYmGWsxFxYkAXLDEMq0CAAA= X-CMS-MailID: 20190716115209epcas1p39ce175e07e9bebcaab4423343f24280d X-Msg-Generator: CA Content-Type: text/plain; charset="utf-8" X-Sendblock-Type: SVC_REQ_APPROVE CMS-TYPE: 101P DLP-Filter: Pass X-CFilter-Loop: Reflected X-CMS-RootMailID: 20190707223648epcas5p29ffd69f96e6ab840877647be14df6b0b References: <20190707223303.6755-1-digetx@gmail.com> <20190707223303.6755-7-digetx@gmail.com> Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org On 19. 7. 8. 오전 7:32, Dmitry Osipenko wrote: > Now that average-sustain coefficient / multiplier is gone, it won't hurt > to re-tune the boosting thresholds to get a bit harder boosting for MCALL > clients, resulting in a more reactive governing in a case of multimedia > applications usage like 3d / video. > > Signed-off-by: Dmitry Osipenko > --- > drivers/devfreq/tegra30-devfreq.c | 4 ++-- > 1 file changed, 2 insertions(+), 2 deletions(-) > > diff --git a/drivers/devfreq/tegra30-devfreq.c b/drivers/devfreq/tegra30-devfreq.c > index 16f7e6cf3b99..2bf65409ddd8 100644 > --- a/drivers/devfreq/tegra30-devfreq.c > +++ b/drivers/devfreq/tegra30-devfreq.c > @@ -111,8 +111,8 @@ static struct tegra_devfreq_device_config actmon_device_configs[] = { > .irq_mask = 1 << 26, > .boost_up_coeff = 200, > .boost_down_coeff = 50, > - .boost_up_threshold = 60, > - .boost_down_threshold = 40, > + .boost_up_threshold = 50, > + .boost_down_threshold = 25, > }, > { > /* MCCPU: memory accesses from the CPUs */ > It just adjusts the tunable point. Reviewed-by: Chanwoo Choi -- Best Regards, Chanwoo Choi Samsung Electronics