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 39D8813C90A for ; Wed, 10 Apr 2024 07:12:10 +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=1712733131; cv=none; b=klRJ78V2dzXRh8XrzHnpedmhWgAtuE/pPLnxjG9S2QabJJWxqEjuEXITdocaq3p8QPBOL7m4k+kyrn/5xZ0Q5r27e48UyDUx/M/L1Za7X730vgdUIueRvLKBlCPvCbhl+uXuMdeYHNox4YwmZRfT2vbnKGMm+ijS36xS7bykl1Y= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1712733131; c=relaxed/simple; bh=n0Xf/G1khtIsJx+3VKbXiZ9oIkBx2tpbMRz0bRUG+Qk=; h=From:To:Subject:Date:Message-ID:In-Reply-To:References: Content-Type:MIME-Version; b=ABpEQwJBPS5UrfHKndPngnjTFVCJg3gOrXZ0m43RlKOssPH33UWt3u+TEPRoiuxGjYgGIjopFJCFCoLmFHFpDMrxhJD1XkJ/zurwuQtWul/Z95rkbGQStQIB1wESBPyO3yggSf29VqU6fb99eb3W1rJw4ZzJsjDoVWLxd82aVOI= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=FkTH1YL6; 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="FkTH1YL6" Received: by smtp.kernel.org (Postfix) with ESMTPS id B4677C433C7 for ; Wed, 10 Apr 2024 07:12:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1712733130; bh=n0Xf/G1khtIsJx+3VKbXiZ9oIkBx2tpbMRz0bRUG+Qk=; h=From:To:Subject:Date:In-Reply-To:References:From; b=FkTH1YL6zwhHlYRcdnauYKVP3PxlB3NrPe4ybLSv3VMmypKotIHEvtp0T0hdFfk7a yO7hvZE5Bc/q45n+PAR5PgXb/duDpn79qgZjYaEfv2xJe2WphsxmSlEQ+jdHWtDwVv 1OpDMPsN1DTlosEBEUwSqNuMpSnpLykrIY0wxzik5GzGZQ9GbzvDE2NkhdcktqaXO+ bb7DDtN8guPfcaZNX1XVEPq0jt3CWm/TDM4Ir0DvCiDPC8Lu7RWgrjQ21lF2xVGQr2 hDwfiZxl7AkUmjgAHKI3QmEZuZTjfLNVVcE2By/5PqoNucJCsr5ysW/ZN58yHLzz12 9blWiAhMV/UWA== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id A89E1C53BD9; Wed, 10 Apr 2024 07:12:10 +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, 10 Apr 2024 07:12:10 +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: 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=3D218686 --- Comment #20 from Perry Yuan(AMD) (Perry.Yuan@amd.com) --- Hi bro, I checked your cpuinfo log, the CPPC is not enabled on your system, so the = MSR will not work at all, EPP values need to update through MSR interface and y= ou also see the crash log when you try to read or write MSR. for example, this is captured from my system, lscpu need to expose the cppc flag on your system like mine. ------------------------------------------------------ CPU family: 25 Model: 116 # lscpu | grep cppc rdpru wbnoinvd arat npt lbrv... ------------------------------------------------------ If your system BIOS have no such option, it will not allow amd pstate driver work as expected.=20 Please contact with ASUS to request new BIOS to enable CPPC for your system. 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.=