** Tags added: oem-priority -- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux-oem in Ubuntu. https://bugs.launchpad.net/bugs/1962799
Title: Bad items from Powertop on oem kernel Status in OEM Priority Project: New Status in linux-oem package in Ubuntu: New Bug description: On Jaguar2, we found some items are bad from powertop, could we set them 'Good' by default from oem kernel, so that we could save more power consumption. System info ==== "ThinkPad X1 Yoga Gen 7", "BIOS": "N3AET52W (1.17 ) 02/21/2022", CPU": "12th Gen Intel(R) Core(TM) i5-1235U", VGA: [8086:46a8], Kernel: 5.14.0-1024-oem Power Consumption === The idle-screen-on-residency-check/cpu-low-power-idle/system-low-power-idle passed. Default value and the value after set all ‘Good’ in powertop ShortIdle: 5.5W, 5W LongIdle: 1.8W, 2W S2Idle: 0.6W, 0.6W Bad items === * VM writeback timeout (echo ‘1500’ > /proc/sys/vm/dirty_writeback_centisecs) * Should we turn off the NMI watchdog for the OEM kernel? It prompt“NMI watchdog should be turned off” (/proc/sys/kernel/nmi_watchdog) * Runtime PM for I2C Adapter i2c-[2-10] (i915 gmbus tc[1-6]/dp[a-c])? By default these values are ‘on’, should we set it to ‘auto’? (/sys/bus/i2c/devices/i2c-2/device/power/control) * Runtime PM for PCI Device Intel Corporation Device [4601,46a8,461d,464f,51a4,51f0,5182,51ed,51ef,51fc]? Host bridge,VGA controller,Signal processing controller,System peripheral,Serial bus controller,Network Controller,ISA bridge,USB controller,RAM memory,Serial controller. (/sys/bus/pci/devices/0000:00:00.0/power/control) * Runtime PM for PCI Device MEDIATEK Corp. Device 4d75 * Runtime PM for PCI Device Samsung Electronics Co Ltd Device a80a * Autosuspend for USB device USB Bridge [MCHP]? (/sys/bus/usb/devices/3-8/power/control) To manage notifications about this bug go to: https://bugs.launchpad.net/oem-priority/+bug/1962799/+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
