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 E9AAFF9C8 for ; Mon, 4 Dec 2023 08:30:39 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="mutOpQUW" Received: by smtp.kernel.org (Postfix) with ESMTPS id 66170C433C9 for ; Mon, 4 Dec 2023 08:30:39 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1701678639; bh=bxmp7wrT5DET+In7hamOE1Lm4mT7eHVJ+Blt/nbzers=; h=From:To:Subject:Date:In-Reply-To:References:From; b=mutOpQUW1+IC6tcRfWOfuNd51a/trNdLaP1FZDfFZfFo8oNaXw4G1f2nUuKPUGOY7 lO7soBQgnbEvFKa5sMBmWG19dyBcV/j4dTr2Sfs42Ie64BkdiNhgYBgpSdCmHMBVj0 kfB5NPt4QB3ivx64Coxb8Cz/IzeHivTNpFPfDJ7ZU/rG5bD+5TVksPV5ivXQ2CUaPz 6SHyiiFB+1nEmFDomQkxldopnEmF/raHhqUH2MOKigZERxT8Qt3x1JkkIFmiRTf9MY k5d+tGzPjoB9a7PCJenRuUHYUEc9QvOvrq1CQnncCcX3WkeQPnznktHi/nR6wK1QQL Eem9ri+DORoQQ== Received: by aws-us-west-2-korg-bugzilla-1.web.codeaurora.org (Postfix, from userid 48) id 4CCDBC53BD2; Mon, 4 Dec 2023 08:30:39 +0000 (UTC) From: bugzilla-daemon@kernel.org To: linux-pm@vger.kernel.org Subject: [Bug 218171] amd-pstate not loading on zen2 threadripper 3960x (trx40 Date: Mon, 04 Dec 2023 08:30:39 +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=3D218171 --- Comment #16 from Perry Yuan(AMD) (Perry.Yuan@amd.com) --- Yes, I understand that there are some different vendors shipping the same C= PU model, however the BIOS releases are from those vendors support, I confirmed that the CPPC spec mentioned the CPU can support CPPC interface, and it dep= ends on those board vendors feature scopes as well. from Gino:=20 > I have the following in: Advanced > AMD CBS > NBIO Common Options > SMU > Common Options >=20 > CPPC (Auto / Enabled / Disabled): Enabled > CPPC Preferred Cores: Enabled Gino said that he can see the CPPC options in the BIOS setting, I would say= it is very probably a BIOS issue need to be fixed by vendors.=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.=