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Sat, 14 Oct 2023 03:54:37 -0700 From: Sumit Gupta To: , , , , , CC: , , , , , , , Subject: [Patch v5 1/2] ACPI: thermal: Add Thermal fast Sampling Period (_TFP) support Date: Sat, 14 Oct 2023 16:24:25 +0530 Message-ID: <20231014105426.26389-2-sumitg@nvidia.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20231014105426.26389-1-sumitg@nvidia.com> References: <20231014105426.26389-1-sumitg@nvidia.com> X-NVConfidentiality: public Precedence: bulk X-Mailing-List: linux-acpi@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-NV-OnPremToCloud: ExternallySecured X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002529D:EE_|SA3PR12MB8761:EE_ X-MS-Office365-Filtering-Correlation-Id: dc99b930-54f1-4c38-7901-08dbcca3fd4b X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: 0CGyNgZ2oWQKLO7N8pCXwu5/+JgO9ULQHZLH5TOL165SLve/r5qPQPqAMUxEG0wCqIf9f61kUfkr0fxAZ8IhYnqvJ+dqU0JcD3gPgcJlRLFKpN8ivUSU+rInEDQ9YIviVEmvkSY7WCXKMd+HD7Ng+z+5K6ys6qvtePHy4iEjB8E8nRjxgV4x8wBRovBQt4MDAjqOBD3c9BUXSJPzK0uZ+BNXsKK8vZqyEu99TVt+fjIyBtko2mEDwSSnHthKIV1o8txsUVzL9zWHvxVq+pTCzvYoxZmuBI2VRzIwTFmLJ3hhjylj8vy/jRydKTfN4AershanVhIqDx3veJZzteM9ZL7a3vpfubbbt8MXHIOvGxJxF2tkPrI+jeo85+XHPdOOEX4Y0Pna2REOEURZ2H/js+ZW8TZioCmHHUGHScF+IuvaEZOgE70SKyP2rPe3Ur4G3U2/e729KTbSV8eG11L5ZZ4z2FWGjiUeFHB+UGUjiS8ZRcVfPDw3Nxe6Hw9LsNY5gb28RJbUMNMBh//zz6NUFdT+Fy1w2QEGpfe0aWZ7j1h5CLlXwzZvbt3ry2R7JlQo/3GTPUonBTy5GYEqBs8FazxJPcmHJeUEuiSVA2ScRJbdA7nAv/9Anl/QxG7vnbduyZlymA13omWCEOle472g1qnIHoDoSjZSgmyKgARoHBc+XCJl4IfafGFhSmDO5ND2uhnUxKH3EsJ9G/E9f5Pb0u8MUSpYOa1y6YARNafBdpGiyjL+fnnJOWJT9FxDVDVIClPWdUc4ENhe45ILgCbaig== X-Forefront-Antispam-Report: CIP:216.228.117.160; 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Helo=[mail.nvidia.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002529D.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: SA3PR12MB8761 X-Spam-Status: No, score=-1.1 required=5.0 tests=BAYES_00,DKIMWL_WL_HIGH, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FORGED_SPF_HELO, RCVD_IN_DNSWL_NONE,RCVD_IN_MSPIKE_H2,SPF_HELO_PASS,SPF_NONE autolearn=no autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net From: Jeff Brasen Add support of "Thermal fast Sampling Period (_TFP)" for Passive cooling. As per [1], _TFP overrides the "Thermal Sampling Period (_TSP)" if both are present in a Thermal zone. [1] ACPI Specification 6.4 - section 11.4.17. _TFP (Thermal fast Sampling Period)" Signed-off-by: Jeff Brasen Signed-off-by: Sumit Gupta --- drivers/acpi/thermal.c | 17 +++++++++++------ 1 file changed, 11 insertions(+), 6 deletions(-) diff --git a/drivers/acpi/thermal.c b/drivers/acpi/thermal.c index d98ff69303b3..a91e3d566858 100644 --- a/drivers/acpi/thermal.c +++ b/drivers/acpi/thermal.c @@ -90,7 +90,7 @@ struct acpi_thermal_passive { struct acpi_thermal_trip trip; unsigned long tc1; unsigned long tc2; - unsigned long tsp; + unsigned long passive_delay; }; struct acpi_thermal_active { @@ -404,11 +404,16 @@ static bool passive_trip_params_init(struct acpi_thermal *tz) tz->trips.passive.tc2 = tmp; - status = acpi_evaluate_integer(tz->device->handle, "_TSP", NULL, &tmp); - if (ACPI_FAILURE(status)) - return false; + status = acpi_evaluate_integer(tz->device->handle, "_TFP", NULL, &tmp); + if (ACPI_FAILURE(status)) { + status = acpi_evaluate_integer(tz->device->handle, "_TSP", NULL, &tmp); + if (ACPI_FAILURE(status)) + return false; - tz->trips.passive.tsp = tmp; + tz->trips.passive.passive_delay = tmp * 100; + } else { + tz->trips.passive.passive_delay = tmp; + } return true; } @@ -904,7 +909,7 @@ static int acpi_thermal_add(struct acpi_device *device) acpi_trip = &tz->trips.passive.trip; if (acpi_thermal_trip_valid(acpi_trip)) { - passive_delay = tz->trips.passive.tsp * 100; + passive_delay = tz->trips.passive.passive_delay; trip->type = THERMAL_TRIP_PASSIVE; trip->temperature = acpi_thermal_temp(tz, acpi_trip->temp_dk);