| Message ID | 20250527-userspace-governor-doc-v2-0-0e22c69920f2@sony.com |
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Received: from jpms-ob01.noc.sony.co.jp (jpms-ob01.noc.sony.co.jp [211.125.140.164]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 9446526FDBB; Tue, 27 May 2025 13:00:16 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=211.125.140.164 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748350819; cv=none; b=HS1bKVfkiIxfNnI6DM6WfenGMNRA0MqWU5QYBKeVk441CjH28uJ1YzSphV7t0qRxUlF+qs684cukhdobGCL3Y43cslsaSlRZpxlOJ+SmOmK3oA7sFRMYOLLpW+aFEew2XwYiL5j4MI0+6awdTFDsPX3Svbi4PuwIQxl7+Hurtn8= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1748350819; c=relaxed/simple; bh=6AiBnz+NtthXTl7ipClTn38s9n5ZuPe1WkRCyxo4yFc=; h=From:Subject:Date:Message-Id:MIME-Version:Content-Type:To:Cc; b=ln3PXDDAnlwHX20JKmpXoDS6+ZO1u8ssg39rG2NfiQXFXdOb8ObmTV2bWVxgXPHlEhsL+60PNkheF98uFlk1RtzCJwxzOE/RNwTVJ+rjFxVFR1L8ZS9XJFw6z4panTfGS2fI+tMKL8KlRtlxcSDpEHBEvMH0sBfprYOiMt8Buo0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sony.com; spf=pass smtp.mailfrom=sony.com; dkim=pass (2048-bit key) header.d=sony.com header.i=@sony.com header.b=q3xlNA0K; arc=none smtp.client-ip=211.125.140.164 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=sony.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=sony.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=sony.com header.i=@sony.com header.b="q3xlNA0K" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=sony.com; s=s1jp; t=1748350817; x=1779886817; h=from:subject:date:message-id:mime-version: content-transfer-encoding:to:cc; bh=2UYaaE2+OTCkjb9XKZqJZIC2PXKJNvGod0gjUbVzluY=; b=q3xlNA0KKVH8AA73Qv/1pDYRJG6ouhuGLdLlZhf1vpa/qet3jeBNNw9O qRUyt3v6w53LCKE9qXjze/4+G8bfSX2yjfPR8zN5ifar03RGw90WdsKlZ 73CGcN6UKihAxFYjcxcskxIH3RHVAJSsdYOqxb/vy14TWjyKsnD+ck3Wb YzDsBvq/Fo4LOlAKMB+UX+dA1FnOtbkbylzHB5D/hxJUahmR9sLR4dOgk VlaymKENvFi9t/bzsBR3RXWSEQu0AP++CKGNnfKHKKR+664epjJ4LfJrD cWQJaFRJ/0A8gMYuL5DF2ydvVlETo0q1dYeDqnQQlMPG8sQJxBQS2N5r2 w==; Received: from unknown (HELO jpmta-ob1.noc.sony.co.jp) ([IPv6:2001:cf8:0:6e7::6]) by jpms-ob01.noc.sony.co.jp with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 27 May 2025 22:00:14 +0900 X-IronPort-AV: E=Sophos;i="6.15,318,1739804400"; d="scan'208";a="564893578" Received: from unknown (HELO [127.0.1.1]) ([IPv6:2001:cf8:1:573:0:dddd:6b3e:119e]) by jpmta-ob1.noc.sony.co.jp with ESMTP; 27 May 2025 22:00:14 +0900 From: Shashank Balaji <shashank.mahadasyam@sony.com> Subject: [PATCH v2 0/2] cpufreq: userspace: add CPUFREQ_GOV_STRICT_TARGET flag Date: Tue, 27 May 2025 21:59:08 +0900 Message-Id: <20250527-userspace-governor-doc-v2-0-0e22c69920f2@sony.com> Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: <linux-pm.vger.kernel.org> List-Subscribe: <mailto:linux-pm+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-pm+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit X-B4-Tracking: v=1; b=H4sIABy3NWgC/4WNQQ7CIBBFr9LM2jEUxKAr72G6oDC2LGQaUGLTc HexF3D5fvLe3yBTCpTh2m2QqIQcODaQhw7cbONEGHxjkEJqoaXEdxPyYh3hxIVS5ISeHZqzMsK PdlReQ5OXRI/w2cP3ofEc8ovTuv+U/rf+TZYee3TGCmVIXYQ53TLH9ej4CUOt9Qu/UAUFuwAAA A== X-Change-ID: 20250522-userspace-governor-doc-86380dbab3d5 To: "Rafael J. Wysocki" <rafael@kernel.org>, Viresh Kumar <viresh.kumar@linaro.org>, Jonathan Corbet <corbet@lwn.net> Cc: linux-pm@vger.kernel.org, linux-doc@vger.kernel.org, linux-kernel@vger.kernel.org, Shinya Takumi <shinya.takumi@sony.com>, 20250522-userspace-governor-doc-v1-1-c8a038e39084@sony.com, Shashank Balaji <shashank.mahadasyam@sony.com> X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=openpgp-sha256; l=1158; i=shashank.mahadasyam@sony.com; h=from:subject:message-id; bh=6AiBnz+NtthXTl7ipClTn38s9n5ZuPe1WkRCyxo4yFc=; b=owGbwMvMwCV2mPH4Ij++H1mMp9WSGDJMt8d8OvJWer1tQL9Y06ONd/OzS15Uv+ORlJNUrn1TL m6sfk+7o5SFQYyLQVZMkeWdzLoLB60sm74eZ/gGM4eVCWQIAxenAExk4mSG32x37z/zmTPhCGdc hEj0o3NyjEYRttsP6LKy/I18dujq/RmMDBscVs44adPTe+fAj113BRZHPztkYzXhQqLnPIaKfw1 svxkA X-Developer-Key: i=shashank.mahadasyam@sony.com; a=openpgp; fpr=EE1CAED0C13A3982F5C700F6C301C7A24E0EF86A |
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cpufreq: userspace: add CPUFREQ_GOV_STRICT_TARGET flag
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In-Reply-To: 20250522-userspace-governor-doc-v1-1-c8a038e39084@sony.com Signed-off-by: Shashank Balaji <shashank.mahadasyam@sony.com> --- Changes in v2: - Instead of modifying the documentation to say that variation in frequency is possible despite setting scaling_setspeed, add the CPUFREQ_GOV_STRICT_TARGET flag to the userspace governor to make its behaviour match the expectation when used with the intel_pstate driver with HWP enabled - Mention in the documentation that variation in frequency due to hardware factors is possible - Link to v1: https://lore.kernel.org/r/20250522-userspace-governor-doc-v1-1-c8a038e39084@sony.com --- Shashank Balaji (2): cpufreq: userspace: set CPUFREQ_GOV_STRICT_TARGET flag cpufreq, docs: userspace: mention variation in freq due to hw coordination Documentation/admin-guide/pm/cpufreq.rst | 4 +++- drivers/cpufreq/cpufreq_userspace.c | 1 + 2 files changed, 4 insertions(+), 1 deletion(-) --- base-commit: 914873bc7df913db988284876c16257e6ab772c6 change-id: 20250522-userspace-governor-doc-86380dbab3d5 Best regards,