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[212.182.62.129]) by smtp.gmail.com with ESMTPSA id v19-20020ac25593000000b005032907710asm1877533lfg.237.2023.10.10.09.25.35 (version=TLS1_3 cipher=TLS_AES_128_GCM_SHA256 bits=128/128); Tue, 10 Oct 2023 09:25:36 -0700 (PDT) Message-ID: <5fab045d-3b09-496d-af30-b7355495694b@linaro.org> Date: Tue, 10 Oct 2023 18:25:35 +0200 MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [PATCH v2 0/2] PCI: qcom: Enable ASPM on host bridge and devices Content-Language: en-US To: Manivannan Sadhasivam , lpieralisi@kernel.org, kw@linux.com, bhelgaas@google.com Cc: robh@kernel.org, gustavo.pimentel@synopsys.com, jingoohan1@gmail.com, andersson@kernel.org, linux-pci@vger.kernel.org, linux-kernel@vger.kernel.org, linux-arm-msm@vger.kernel.org References: <20231010155914.9516-1-manivannan.sadhasivam@linaro.org> From: Konrad Dybcio In-Reply-To: <20231010155914.9516-1-manivannan.sadhasivam@linaro.org> Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Spam-Status: No, score=2.7 required=5.0 tests=DKIM_SIGNED,DKIM_VALID, DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI, RCVD_IN_SBL_CSS,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED autolearn=no autolearn_force=no version=3.4.6 X-Spam-Level: ** X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on fry.vger.email Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org X-Greylist: Sender passed SPF test, not delayed by milter-greylist-4.6.4 (fry.vger.email [0.0.0.0]); Tue, 10 Oct 2023 09:25:52 -0700 (PDT) On 10/10/23 17:59, Manivannan Sadhasivam wrote: > Hi, > > This series enables ASPM by default on the host bridge and devices of selected > Qcom platforms. > > The motivation behind enabling ASPM in the controller driver is provided in the > commit message of patch 2/2. > > This series has been tested on SC8280-CRD and Lenovo Thinkpad X13s laptop > and it helped save ~0.6W of power during runtime. That's a lot of power, thanks for looking into this! Konrad