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 CCA815684 for ; Thu, 1 Feb 2024 10:48:29 +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=1706784509; cv=none; b=Nl4pg7b44RDKKwoHXXjdq7W79/VPDQn83/zoRP4R3h4PqxtaR9jcNWl5NV4D3CXrXnhMAtFLE3p8hhBvVxYnvPaGo1Ut2RlBrJGdy21oDdA8/XmScrhACdKZRB7e34NDaE5P6gWjQ2RNGKwv+6yy/Vn8fc5iVG/Z6TZMnzpGMpk= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706784509; c=relaxed/simple; bh=QSJkKA+izSiZDS99fNc//e672qnv55SG1LvyZbR9/nY=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=Z/NZjuFDqFYcWETAZtHQpl/Bn5Zj2jXTaDcvznIEwWJen/ESJmdFoqOkGi/ty1szmNaAGP2WRjMLEv3ed9f83tJNFTrl3ADeox4v3F8iNw7JzfooAtGz2x0jT1auea+NC7C1pesDVtekvxBniaPCqqZIASjV+B4JYK1YCflgoOE= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=BoUaX4q3; 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="BoUaX4q3" Received: by smtp.kernel.org (Postfix) with ESMTPS id 43CE7C433A6 for ; Thu, 1 Feb 2024 10:48:29 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706784509; bh=QSJkKA+izSiZDS99fNc//e672qnv55SG1LvyZbR9/nY=; h=From:To:Subject:Date:In-Reply-To:References:From; b=BoUaX4q3SoXhpE2Fg4qnBW6EKOuErUR5f4yHvOkyrvAHGF+Vmn+YYYOtGqgsVIs9y zYp0hXbgwgS7Gfv2wjFD18ipx2JpSJ3P/UWMjdFNhsP3lCeCyJK/gYBCyMSEr4uAuv BQaw3INKGkZdRd0JBIjnx5E7IbVL17WnSqW63phfLqIczBN65lAHdcB2CuMfT3stRU 0fSdF9hSJ7+XD2dM+zbC4lt08cO5hoWCgoTeEXTL64yilPvJCOUjs3JCz1FrLsyh9L W/lZ4kxAg7YfJrjRJ8NHBT/jLqDumzTs07z7d6WtZkXafd0jURf1e7ZxLQsGnl9glN 0ehistGBdVMMg== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 2E071C53BC6; Thu, 1 Feb 2024 10:48:29 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 217931] amd-pstate lacks crucial features: CPU frequency and boost control Date: Thu, 01 Feb 2024 10:48:28 +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: high X-Bugzilla-Who: Perry.Yuan@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=3D217931 --- Comment #47 from Perry Yuan(AMD) (Perry.Yuan@amd.com) --- [AMD Official Use Only - General] thanks for confirming this, we will take a look the issue and get a fix for= the max,min scaling set function. Perry. =E8=8E=B7=E5=8F=96 Outlook for iOS ________________________________ =E5=8F=91=E4=BB=B6=E4=BA=BA: bugzilla-daemon@kernel.org =E5=8F=91=E9=80=81=E6=97=B6=E9=97=B4: Thursday, February 1, 2024 5:58:58 PM =E6=94=B6=E4=BB=B6=E4=BA=BA: Yuan, Perry =E4=B8=BB=E9=A2=98: [Bug 217931] amd-pstate lacks crucial features: CPU fre= quency and boost control https://bugzilla.kernel.org/show_bug.cgi?id=3D217931 --- Comment #46 from Artem S. Tashkinov (aros@gmx.com) --- (In reply to Perry Yuan(AMD) from comment #44) > cpufreq_freq_attr_ro(amd_pstate_max_freq); > > the sysfs entry is ready only, so it is not allowing to write the new max > freq value to it. > > you can try to limit the freq with scaling_max_freq and scaling_min_freq. Exactly what I did, I set scaling_max_freq for all cores to 4GHz (4000000) = - it had zero effect. > > The boost patches and scaling_max_freq support are not same topics, if the > boost patches can work, however scaling_max_freq is not working, we can f= ile > a new ticket to track that problem. > -- You may reply to this email to add a comment. You are receiving this mail because: You are on the CC list for the bug. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=