From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 051C6E7D0A0 for ; Thu, 21 Sep 2023 17:26:34 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229580AbjIUR0h (ORCPT ); Thu, 21 Sep 2023 13:26:37 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45488 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229586AbjIUR0f (ORCPT ); Thu, 21 Sep 2023 13:26:35 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 278CFCD3 for ; Thu, 21 Sep 2023 10:03:05 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPS id 58F57C116C9 for ; Thu, 21 Sep 2023 08:18:05 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695284285; bh=D8V+TQFZG9rU+mIOSaehx4C3OFiPh/LaJ48LHYRyM74=; h=From:To:Subject:Date:In-Reply-To:References:From; b=nt/tvg9F4UuR79pRiBA3aksqEbPs7/wuL1bAoDgWKBRZyUXW6LADjG4rD1kgtkPGa X18uljDf2xnFRneYtbi6PjKj7cm+WovEMznDJxBvbDMZR031PyGO8xYLlrd/txfpwL lyGBBqlhocbcjkJ6AwEjg6yt0fQW3128bXTBcZYftMn5a8oAYA+pl9GuQTDJ7RyRZb D7yYU14N6N07iBUMSAlmQaEe06ofuRGcfIS7WXjPKb+TMUTXRXWZKF2l680OlDMIBo 8azftFTxPUYrqS4Y6MqfwRCXDSb35LiTRl0wQziSubKmPv4q4+pDL+WFoBcCDL3t+9 NfYVoaaGJLWEw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 3FE5AC53BD0; Thu, 21 Sep 2023 08:18:05 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 215801] Rmmod'ing amd-pstate doesn't restore acpi-cpufreq Date: Thu, 21 Sep 2023 08:18:05 +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: aros@gmx.com X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P1 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 MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-pm@vger.kernel.org https://bugzilla.kernel.org/show_bug.cgi?id=3D215801 --- Comment #4 from Artem S. Tashkinov (aros@gmx.com) --- (In reply to Perry Yuan(AMD) from comment #3) > (In reply to Artem S. Tashkinov from comment #2) > > This is still relevant as of Linux 6.6. > >=20 > > Would be great if removing amd-pstate enabled acpi-cpufreq. >=20 > Normally the system hardware needs to reinitialize CPPC and low-level pow= er > management firmware when CPPC driver loading, so it better to change grub > parameters and reboot again. > dynamically removing amd-pstate and load acpi_cpufreq probably cause some > potential issues.=20 >=20 > Perry. Could you add this as a note to the amd pstate driver documentation? Documentation/admin-guide/pm/amd-pstate.rst Thank you! --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=