From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 6934618A6A9 for ; Tue, 30 Jul 2024 18:29:44 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722364184; cv=none; b=OlTRsCenvwtxWSWgH7kX4gV2994SXZRIoEnOxfImmUT/9XxrUtWyjxZFbAlWOLsOiAwNrTy4+5WrRaC/HCphpVowPyLkGPYhcgZ0LH6c8xB4Ctnli8sCoOr/kCxpJwOE2C+sep+duIhhs5u0YJw5d+XHeKlRMAfP/EK0yYDKf/s= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1722364184; c=relaxed/simple; bh=w/HpF/qHgH0/AuQH1qjavJCV/jp/6lZx5lpzVyKig+g=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=OaGVY7a6mGoTDONieHosGqeU1almaoAlk/VfYn28vOUm9JLK6Ieu7cyT4kxSlPvMSbNJUpMym6bWfyiGrcekTLLmJ6m1icw1ksvbwlYibTS8TOuO7WPmgv2h604nSpOW0BdFPGyFS2YXrClfUGm1WMrg10Jaru8lWcdU0YiKBDY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ApDHKgT0; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ApDHKgT0" Received: by smtp.kernel.org (Postfix) with ESMTPS id E79ACC4AF0A for ; Tue, 30 Jul 2024 18:29:43 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1722364183; bh=w/HpF/qHgH0/AuQH1qjavJCV/jp/6lZx5lpzVyKig+g=; h=From:To:Subject:Date:In-Reply-To:References:From; b=ApDHKgT0pnDaNfzRYNr+OTkCQWAXRWE/i904GyaZt6EsOwnZr9SGTbQ+YVWPHd/ex xqiGEvRjCroxSJPlmIB/aFZxxhNceuk3Hu8HypEs7xe6ggLQnLey4M43P2nLWJcrWB E4scwz5XLeg4NpALfQf3b1WejPeMd2kI3b5z2N2USNsVPy2ySW626GbTsO8MucUbGH R8doJq9Rh4gJMH5LplLme+ChVXPSmzohn7bdFQVzJVufmXjGtfpZHJKswFNL4/dUnY Xf8DsRUTofRsJANS5EG7CTHVRtMw7ain+Ioo334ZYvwDhOmnfjQtSjKtTY1QdqPjNi Hmw9Tu2GbfgcA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id DB163C53B7F; Tue, 30 Jul 2024 18:29:43 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 219110] amd-pstate's balance_performance energy_performance_preference doesn't survive suspend resume Date: Tue, 30 Jul 2024 18:29:43 +0000 X-Bugzilla-Reason: AssignedTo X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: Power Management X-Bugzilla-Component: cpufreq X-Bugzilla-Version: 2.5 X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: xiaojian.du@amd.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: linux-pm@vger.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-Bugzilla-URL: https://bugzilla.kernel.org/ Auto-Submitted: auto-generated Precedence: bulk X-Mailing-List: linux-pm@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 https://bugzilla.kernel.org/show_bug.cgi?id=3D219110 --- Comment #3 from xiaojian.du@amd.com --- > I wonder why amd-pstate cannot. A kernel module can keep this state as a > simple variable and restore the energy preference on resume. >=20 > And secondly it's quite misleading that it reports a wrong value after > resuming. Of course, this should be a function for a complete and robust cpu driver. will discuss it internally. Our team now lacks resources, both human resour= ce and project funding support. So it will take time. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=