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Wysocki" , , Vincent Guittot , Peter Zijlstra , Kevin Hilman , Pavel Machek , Len Brown , Daniel Lezcano , Maulik Shah , "Prasad Sodagudi" , Deepti Jaggi , Subject: Re: [PATCH v3 2/6] pmdomain: Respect the CPU system wakeup QoS limit for s2idle Message-ID: <20251125052726.26blhgd5rb3swowk@lcpd911> References: <20251121100315.316300-1-ulf.hansson@linaro.org> <20251121100315.316300-3-ulf.hansson@linaro.org> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Disposition: inline In-Reply-To: <20251121100315.316300-3-ulf.hansson@linaro.org> X-C2ProcessedOrg: 333ef613-75bf-4e12-a4b1-8e3623f5dcea X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: SN1PEPF0002BA52:EE_|CH3PR10MB7702:EE_ X-MS-Office365-Filtering-Correlation-Id: 15c9dbf7-8cd8-44c8-ad45-08de2be35407 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|36860700013|82310400026|7416014|376014|1800799024; X-Microsoft-Antispam-Message-Info: =?us-ascii?Q?kZ7UUJlMXL/KoS3V2BYGw7KtZJ8y1ruxkz+dAaDokuwS3cmotfyHVsbW20Jw?= =?us-ascii?Q?+NlTiDQfkOJ1fnWFhI3i+8iQGGNwwQuNNTsk4AcZqp0IfUkMPkvJ08WwXvuG?= =?us-ascii?Q?RUwlzX12fU/wNSlHXOgB7WQCrS2h0fnOVIhhrxwjcxR2qbojMP1ScWvyRU7T?= =?us-ascii?Q?k8HeyYPnCeJuEEJIncHd35ccy6RyfqzTZ7vmSqh8UC7+4X8/OdPhQOfEbXcA?= =?us-ascii?Q?oz1Q42Y+6oijMe/Um39IlNcI4qyOal7FMpnqslLVlCpMdOsr+Gqk6ZydSI5K?= =?us-ascii?Q?gbc8KtA3sv2P2nlM/l/QNxqTYannonP1qGRQ1XaUDc7YBcPB12rrMLCZjoe7?= =?us-ascii?Q?6bKVXdOepUl6LrahfLp/eLka2QtDq31wXHsdsrdVexEbmLUZD3uBnRh9YRYq?= =?us-ascii?Q?Feu2qmGCv6fs5/9nsl9jLV2lhLTE19OXSVHhJzxRaqaJLupDYzx1EcFWZYam?= =?us-ascii?Q?cKQFP+Q6EmMt7Pl7HUv/f8AW8EH4YMCV4jnUQmQEWQrRyjjsDaesujScYNM4?= =?us-ascii?Q?sEpOFDOwXnTUvXdqWBaOgWZ84+WcgxeuIH/X5GQzoElKFrNSbzYNmdfKOBW0?= =?us-ascii?Q?ZmWVWNS3KH7Xr/WqfTTcElekojRK+lpI+E7mjsXsNeXwRAjOCe8rNOJWq01X?= =?us-ascii?Q?r7lTMhgMsmrx+QI2dazPE94687pYpLJTfYXZbdKy1eQ0H/ChXqu5bgB4vMpW?= =?us-ascii?Q?gVIPxNfmSfTPtjHerB4YOfg7Ebm0WoRpzqWBHMGOJ5p1kOOxKklD23NpDPWT?= =?us-ascii?Q?PVMFokgcVnu0zNq3a1ERTWzhqMZ88UWdeoUAA9JL2+gX+FO5K/BZ7cA91TJB?= =?us-ascii?Q?V2iDa2yIN/sWSIFbIYs7vY8ngMSfR6JcFHSMqWNy42WkSNAiyLHEtOMCcdBP?= =?us-ascii?Q?wzVOku0NoU2QELsPbJI4yIN14zh+SvUCUJ+lhzlUmb7m65Idd6iREGL3mcEm?= =?us-ascii?Q?gzZ44EMZhnlV2WgKz59WTioyKIIaigbqpbSMf2Y7JnmqFFpRESCZxMqMDJiK?= =?us-ascii?Q?elDEaMTc4+nNr1Aw9Uwgjux9TLl5ozMpxD4ozsYyXKfSJocV6Hrto9z6wKId?= =?us-ascii?Q?aOBX321T+fcu5DNLN2mtbH2v5jqQbuke/x3iyj4UlkATlpGeCT+rvMUvhvaU?= =?us-ascii?Q?M6VhFAdbcjqhOHVt+PtN0kUUr83jSlEq9saFIudZujAJARDC+TAj3Q+i+Qc7?= =?us-ascii?Q?RQgd9Z3hd+co4IY7jacQemkzGyV/WwvPILgHHqmbiMDPP4fWexAo4rPiGqHO?= =?us-ascii?Q?r6ab7kEUrpjEKLoWNptCrOYR9Nlz0dRkLS/XCLdProbuWmsdlK9fdsqNOPQi?= =?us-ascii?Q?vwFgvGJxPMRS2ZjjcnPO8Fn0riigNWmn6vjrUdBWHm3pojNL6POK+LMYOyoo?= =?us-ascii?Q?f7EzBoF1N/hyiG0dDu8NG+QR59UmVd4hPqa1PFjaLv7hXaaqoOJWmsZK24up?= =?us-ascii?Q?dHh+OsAkXuYCLaXib9SeEeCeBDjzL2pjn2BvKKPW2svbssNnC8Zuxb6hHta6?= =?us-ascii?Q?QrQc32aSlSck0GudXYAI4whTow8kPBpKsJzvVQWROwmqBJnoX5YZcyX2aJRZ?= =?us-ascii?Q?+ZYMVU9ty9AgIOJpD9Y=3D?= X-Forefront-Antispam-Report: CIP:198.47.23.194;CTRY:US;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:lewvzet200.ext.ti.com;PTR:InfoDomainNonexistent;CAT:NONE;SFS:(13230040)(36860700013)(82310400026)(7416014)(376014)(1800799024);DIR:OUT;SFP:1101; X-OriginatorOrg: ti.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 25 Nov 2025 05:27:29.9869 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: 15c9dbf7-8cd8-44c8-ad45-08de2be35407 X-MS-Exchange-CrossTenant-Id: e5b49634-450b-4709-8abb-1e2b19b982b7 X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=e5b49634-450b-4709-8abb-1e2b19b982b7;Ip=[198.47.23.194];Helo=[lewvzet200.ext.ti.com] X-MS-Exchange-CrossTenant-AuthSource: SN1PEPF0002BA52.namprd03.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: CH3PR10MB7702 On Nov 21, 2025 at 11:03:08 +0100, Ulf Hansson wrote: > A CPU system wakeup QoS limit may have been requested by user space. To > avoid breaking this constraint when entering a low power state during > s2idle through genpd, let's extend the corresponding genpd governor for > CPUs. More precisely, during s2idle let the genpd governor select a > suitable domain idle state, by taking into account the QoS limit. > > Signed-off-by: Ulf Hansson Reviewed-by: Dhruva Gole -- Best regards, Dhruva Gole Texas Instruments Incorporated