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 36DA48BEE for ; Wed, 11 Sep 2024 04:32:26 +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=1726029147; cv=none; b=YZHQ42sdKlVwpzWBIK74TOp0V11v/FLfE1HUpk1C1UY1D38A9kaWktsFfwdsNMzT+qinkwNm124tMeFLs6Vmkst/iD3udIznwUC/pBcgo3WrRHJKcDBXuw7W0nMMdkxD0ZP+wVPBCOy3iihBgpHBWDrP+55lrj6XTjQryj5vw+Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1726029147; c=relaxed/simple; bh=aN8iRNCMBvNxvcsc5BzRkg11Lh8EoBvJr2vMfsqOPtk=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=IS4VwsbQ+oeqQP04Q8O1WL/X2vlhxE9OiofjRdJWnPi9xVNewEk9Lqha4v+fbrP/9VjpWRQCUjSqK2J9RHHLht1IBYzletWAXa8w2yDuA06EAmmYlizH4UYowQkvn+cXJ87+Du4qMbzoqDw0tIgvnLAd4LdYcYNtHNPO44uRY1A= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=j8j8pwNb; 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="j8j8pwNb" Received: by smtp.kernel.org (Postfix) with ESMTPS id B30FFC4CED2 for ; Wed, 11 Sep 2024 04:32:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1726029146; bh=aN8iRNCMBvNxvcsc5BzRkg11Lh8EoBvJr2vMfsqOPtk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=j8j8pwNbbx5YM4ZQ3vfgMbj0xKIyZ3CyKM6p8JwLqynIU+3Be4abcyNAEXLi350Fr Uy5fpuPy77AGExMaZv7HXK18GYQsMQYZmiurBY7LgtqIBlWGs58/42Deo34VJHBHFC BbxQPDNl9oofu7yGgyqSHGbPmuARPL+ty7vmhBJcbsEj+SgBSGBlM7nYnIdcFpEFtl 60TDdC1bBZQSODDBB8WsC/ZjAFfVVFNOLqjaT+6SA0vzq+IgvgvuUfhMN2G+oh4Xp2 nMi4FCf/r7FSLph2/yVqXbvW2dmBouQs5/HuMZvohpue4/2v5TKEWKvlxgPDw8H791 IeY9G6ty0cXPA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id AAEBFC53BB8; Wed, 11 Sep 2024 04:32:26 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 218686] Fail to set energy_performance_preference of amd processor on asus ga403uv Date: Wed, 11 Sep 2024 04:32:26 +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: RESOLVED X-Bugzilla-Resolution: CODE_FIX 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=3D218686 --- Comment #97 from xiaojian.du@amd.com --- Thanks for all of you guys. This thread will be the reference for the similar issue on many other OEM devices. Checked the background, it seems ASUS always uses a different palce to store pstate info. like this commit: [PATCH v6 03/14] ACPI: CPPC: implement support for SystemIO registers From: Steven Noonan According to the ACPI v6.2 (and later) specification, SystemIO can be used for _CPC registers. This teaches cppc_acpi how to handle such registers. This patch was tested using the amd_pstate driver on my Zephyrus G15 (model GA503QS) using the current version 410 BIOS, which uses a SystemIO register for the HighestPerformance element in _CPC. https://lkml.org/lkml/2021/12/19/90 --=20 You may reply to this email to add a comment. You are receiving this mail because: You are the assignee for the bug.=