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 2F95D4DA19 for ; Thu, 1 Feb 2024 09:58:58 +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=1706781539; cv=none; b=BuWkg3Y49KzHxC+KuhYnDC1OJX6fqr1X1PmAdA+k3F8WrTfKydkioaZLZ7O7nfg9Zp6xbZFrMwLdhZTnsTmJBF1Y0JF7pBZvtEOi7/M6CcPLQE1V6hpx6GF4HI+HGbhBT9mBHVv7A3tAnWJ425lkmHQ+Laeeu52L6ZaW4yIzc3Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1706781539; c=relaxed/simple; bh=3X3QXiS4V8dsLmTKrn9wtfuO1akHqv0N3QixC5OrP24=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=D5oWDpeXrMzrJLTIx/PlHb2V5sNR5/yAGo3n75MBWSSDSzONvZbjynVfE067EJQdur0uLX+5p+hyvdJ31/sEDNi/MNlVY4SVYo2Cp2pFiXRdoMbqGduN+dYpEK79k4qop/rQIPTT+xgQK1sy99mktWn36yFyeOaPvmyA4p8mHAA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=cl/CU+Bt; 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="cl/CU+Bt" Received: by smtp.kernel.org (Postfix) with ESMTPS id A8E4AC43143 for ; Thu, 1 Feb 2024 09:58:58 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1706781538; bh=3X3QXiS4V8dsLmTKrn9wtfuO1akHqv0N3QixC5OrP24=; h=From:To:Subject:Date:In-Reply-To:References:From; b=cl/CU+BtPNKHuwphTSgvpXnJpSyojwT/vrnjK/DAkXJaRfikMv0ZzG1zONgaLnkRi K6ysOJlIDf2bqBcYYDWLj3qhHSGOYgNh9ubUflG1uIdbaFvklsuo1J+QcUMUBOzMND 4lC+1yra67VJ2jQnco3IyBQIk9BdsxcDnMKLYZ07vZUXfFNr+Qo2qkKGAzn4CMRHs+ rzZcZs2zgR/+x2MYDjpvGpYHoQXegs57m/BCNktZOyJZ68xJNMYiAYtOnkOWPE89C0 D92DWM0JWdRTeeGo1YJ4NfzpnvC/I34T3tUianxw/JHU+9V8gE09/8lkeQ76Rm7q9b mH0yGhWuc7khQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 953DDC53BD3; Thu, 1 Feb 2024 09:58:58 +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 09:58:58 +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: aros@gmx.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 #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); >=20 > the sysfs entry is ready only, so it is not allowing to write the new max > freq value to it. >=20 > 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. >=20 > 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. > --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=