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[136.169.149.122]) by smtp.gmail.com with ESMTPSA id 4fb4d7f45d1cf-5d3ec8ef816sm995630a12.59.2024.12.07.23.54.39 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Sat, 07 Dec 2024 23:54:41 -0800 (PST) Sender: Message-ID: Date: Sun, 8 Dec 2024 07:54:38 +0000 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Subject: Re: [PATCH v3 0/2] cpufreq/amd-pstate: Set initial min_freq to lowest_nonlinear_freq To: Dhananjay Ugwekar , gautham.shenoy@amd.com, mario.limonciello@amd.com, perry.yuan@amd.com, rafael@kernel.org, viresh.kumar@linaro.org Cc: linux-pm@vger.kernel.org, linux-kernel@vger.kernel.org References: <20241017053927.25285-1-Dhananjay.Ugwekar@amd.com> Content-Language: en-US From: Hanabishi In-Reply-To: <20241017053927.25285-1-Dhananjay.Ugwekar@amd.com> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit Hello. Maybe I'm too late on this, but I have some concerns. On 10/17/24 05:39, Dhananjay Ugwekar wrote: > In other systems, power consumption has increased but so has the > throughput/watt. I just want to bring up the fact that this change affects all governors. It sounds good for the performance governor, but not so much for the powersave governor. So the question is: don't we want the lowest power consumption possible in the powersave mode? Even if it means decreased efficiency. Powersave by definition supposed to make battery last as long as possible no matter what, isn't it?