SRU: https://lists.ubuntu.com/archives/kernel- team/2022-October/133735.html (unstable, oem-6.0)
** Description changed: + [SRU Justification] + + [Impact] + + Missing AMD CnQF that will dynamically adjust performance and power + consumption based upon OEM specified metrics on supported systems. + + [Fix] + + Three commits from linux-next to be backported to oem-6.0 and above. + + [Test Case] + + To enable this in AMD Phoenix CRB: + + BIOS: AMD PBS > AMD PMF Settings, enable function 11/12 & flag=1 + + And feature enabled message should appear in dmesg: + + [ 3.203628] amd-pmf AMDI0102:00: registered PMF device successfully + + Access via sysfs: + + root@test:/sys/devices/platform/AMDI0102:00# cat cnqf_enable + on + + [Where problems could occur] + + This is a new feature and will probably receive some more fixes in the + future. So far we have little, in both kernel and userspace, runtime and + testing, involved. + + [Other Info] + + This series depends on AMD PMF support in bug 1987670. And since these + patches targets v6.1 and AMD phoenix target oem-6.0, only oem-6.0 and + unstable is nominated for fix. + + ========== original bug description ========== + CnQF is a feature that will dynamically adjust performance and power consumption based upon OEM specified metrics on supported systems. This is targeted for 6.1. platform/x86/amd/pmf: Add support for CnQF https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=for-next&id=1738061c9ec854db2db76be8bb968f550d9bdddc platform/x86/amd/pmf: Add sysfs to toggle CnQF https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=for-next&id=3dae5825295d7b3284fc349cd6bfa641f4033e16 Documentation/ABI/testing/sysfs-amd-pmf: Add ABI doc for AMD PMF https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=for-next&id=1590ac2c6615329d30e25753e03c295cdaf2ae44 ** Changed in: linux-oem-6.0 (Ubuntu Jammy) Importance: Undecided => High ** Changed in: linux-oem-6.0 (Ubuntu Jammy) Assignee: (unassigned) => You-Sheng Yang (vicamo) -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem-6.0 in Ubuntu. https://bugs.launchpad.net/bugs/1991609 Title: Add support for AMD PMF Cool and Quiet Framework (CnQF) Status in HWE Next: New Status in linux-oem-6.0 package in Ubuntu: Invalid Status in linux-oem-6.0 source package in Jammy: In Progress Status in linux-oem-6.0 source package in Kinetic: Invalid Bug description: [SRU Justification] [Impact] Missing AMD CnQF that will dynamically adjust performance and power consumption based upon OEM specified metrics on supported systems. [Fix] Three commits from linux-next to be backported to oem-6.0 and above. [Test Case] To enable this in AMD Phoenix CRB: BIOS: AMD PBS > AMD PMF Settings, enable function 11/12 & flag=1 And feature enabled message should appear in dmesg: [ 3.203628] amd-pmf AMDI0102:00: registered PMF device successfully Access via sysfs: root@test:/sys/devices/platform/AMDI0102:00# cat cnqf_enable on [Where problems could occur] This is a new feature and will probably receive some more fixes in the future. So far we have little, in both kernel and userspace, runtime and testing, involved. [Other Info] This series depends on AMD PMF support in bug 1987670. And since these patches targets v6.1 and AMD phoenix target oem-6.0, only oem-6.0 and unstable is nominated for fix. ========== original bug description ========== CnQF is a feature that will dynamically adjust performance and power consumption based upon OEM specified metrics on supported systems. This is targeted for 6.1. platform/x86/amd/pmf: Add support for CnQF https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=for-next&id=1738061c9ec854db2db76be8bb968f550d9bdddc platform/x86/amd/pmf: Add sysfs to toggle CnQF https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=for-next&id=3dae5825295d7b3284fc349cd6bfa641f4033e16 Documentation/ABI/testing/sysfs-amd-pmf: Add ABI doc for AMD PMF https://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git/commit/?h=for-next&id=1590ac2c6615329d30e25753e03c295cdaf2ae44 To manage notifications about this bug go to: https://bugs.launchpad.net/hwe-next/+bug/1991609/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
