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 06369E81810 for ; Thu, 28 Sep 2023 02:31:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230054AbjI1CbV (ORCPT ); Wed, 27 Sep 2023 22:31:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:58624 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S230141AbjI1CbT (ORCPT ); Wed, 27 Sep 2023 22:31:19 -0400 Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0C1CBCE1 for ; Wed, 27 Sep 2023 19:31:14 -0700 (PDT) Received: by smtp.kernel.org (Postfix) with ESMTPS id 4599BC433CA for ; Thu, 28 Sep 2023 02:31:13 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1695868273; bh=Ghg30JdaQot9VnpDG64lpCqB0WoDfWYBkS3GaErlZv8=; h=From:To:Subject:Date:In-Reply-To:References:From; b=g+PmmH3hznCChIywqbMmgrFsJSNY0Qmi0ylGTnUbDzAZ84N97qd37xHMcjaLkPXNI zVxlBQwTv7p6ipLj79BHtIjNMNEDjtS0RNmunxVAqIfuX9c6uuipUwlcKLyp5poG/H lL4MVQrXp2x3L23NSMzV2xervZcjPVSHjdU2fAjVnIt6v1X+bcdvfuw9G9THeQzyP+ dBJjx4RoDadBTyKfwCUIBCAgo7Wauwp3Z3Mgxn5wlT8dfSEpFoXGGNUeAD2zU9Wf6h 7wKWe+rQ2q/b8oWVSZHRasV3vFSp8ufOU8/uSQl+uhFzgYmpX2yJLAQEJF1wRAHKR+ Ps+KX7k6sa/Jw== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 3115AC53BD0; Thu, 28 Sep 2023 02:31:13 +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, 28 Sep 2023 02:31:13 +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: Perry.Yuan@amd.com X-Bugzilla-Status: RESOLVED X-Bugzilla-Resolution: WILL_NOT_FIX 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 #5 from Perry Yuan(AMD) (Perry.Yuan@amd.com) --- (In reply to Artem S. Tashkinov from comment #4) > (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 p= ower > > management firmware when CPPC driver loading, so it better to change gr= ub > > parameters and reboot again. > > dynamically removing amd-pstate and load acpi_cpufreq probably cause so= me > > potential issues.=20 > >=20 > > Perry. >=20 > Could you add this as a note to the amd pstate driver documentation? >=20 > Documentation/admin-guide/pm/amd-pstate.rst >=20 > Thank you! Sure, we can add this to amd-pstate.rst with a new update.=20 Perry. --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=