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Thu, 25 Jan 2024 06:17:42 +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: Thu, 25 Jan 2024 06:17:41 +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: ANSWERED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: linux-pm@vger.kernel.org X-Bugzilla-Flags: X-Bugzilla-Changed-Fields: attachments.created 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 #35 from Perry Yuan(AMD) (Perry.Yuan@amd.com) --- Created attachment 305776 --> https://bugzilla.kernel.org/attachment.cgi?id=3D305776&action=3Dedit patch to enable amd psate driver for Family 17H Hi all, Please try this patch on your system, I would like to see if the system BIOS still looking for some other fixes.=20 I am not sure if the pstate driver can be loaded successfully on your system with this patch, if CPPC capabilities missing on your system, we still add = some other fixes on for the broken BIOS.=20 after you build and boot your system, please help to provide below info to me to check the driver status. # sudo dmidecode -t system # sudo cpupower frequency-info echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3Dnorminal freq=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D" cat /sys/devices/system/cpu/cpu*/acpi_cppc/nominal_freq echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3Dnorminal perf=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D" cat /sys/devices/system/cpu/cpu*/acpi_cppc/nominal_perf echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3Dhighest_perf perf=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D" cat /sys/devices/system/cpu/cpu*/acpi_cppc/highest_perf echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3Dlowest_nonlinear_perf perf=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D" cat /sys/devices/system/cpu/cpu*/acpi_cppc/lowest_nonlinear_perf echo "=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3Dlowest perf=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D" cat /sys/devices/system/cpu/cpu*/acpi_cppc/lowest_perf 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.=