Someone wrote in [personal profile] mjg59 2016-10-09 11:19 am (UTC)

Re: Lenovo Yoga 900

I stand corrected

   Bad           VM writeback timeout                                                                                   
   Bad           Enable SATA link power management for host0
   Bad           Enable SATA link power management for host1
   Bad           Enable SATA link power management for host2
   Bad           Enable Audio codec power management
   Bad           NMI watchdog should be turned off
   Bad           Runtime PM for I2C Adapter i2c-1 (i915 gmbus dpb)
   Bad           Runtime PM for I2C Adapter i2c-2 (i915 gmbus dpd)
   Bad           Runtime PM for I2C Adapter i2c-0 (i915 gmbus dpc)
   Bad           Autosuspend for unknown USB device 1-7 (8087:0a2b)
   Bad           Runtime PM for PCI Device Intel Corporation Sky Lake Integrated Graphics
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP HD Audio
   Bad           Runtime PM for PCI Device Intel Corporation Sky Lake Host Bridge/DRAM Registers
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP Thermal subsystem
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP SMBus
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP LPC Controller
   Bad           Runtime PM for PCI Device O2 Micro, Inc. Device 8620
   Bad           Runtime PM for PCI Device Intel Corporation Skylake Processor Thermal Subsystem
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP CSME HECI
   Bad           Runtime PM for PCI Device Intel Corporation Wireless 8260
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP PMC
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode]


Changing to:

   Good          VM writeback timeout
   Good          Enable SATA link power management for host0
   Good          Enable SATA link power management for host1
   Good          Enable SATA link power management for host2
   Good          Enable Audio codec power management
   Good          NMI watchdog should be turned off
   Good          Runtime PM for I2C Adapter i2c-1 (i915 gmbus dpb)                                                      
   Good          Runtime PM for I2C Adapter i2c-2 (i915 gmbus dpd)
   Good          Runtime PM for I2C Adapter i2c-0 (i915 gmbus dpc)
   Bad           Autosuspend for unknown USB device 1-7 (8087:0a2b)
   Good          Runtime PM for PCI Device Intel Corporation Sky Lake Integrated Graphics
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP HD Audio
   Bad           Runtime PM for PCI Device Intel Corporation Sky Lake Host Bridge/DRAM Registers
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP Thermal subsystem
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP USB 3.0 xHCI Controller
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP SMBus
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP LPC Controller
   Bad           Runtime PM for PCI Device O2 Micro, Inc. Device 8620
   Bad           Runtime PM for PCI Device Intel Corporation Skylake Processor Thermal Subsystem
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP CSME HECI
   Bad           Runtime PM for PCI Device Intel Corporation Wireless 8260
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP PMC
   Bad           Runtime PM for PCI Device Intel Corporation Sunrise Point-LP SATA Controller [AHCI mode]


Allows the chip (peripherals) to spend time in lower power states than pc2:

          Package   |             Core    |            CPU 0       CPU 2
                    |                     | C0 active   1.7%        1.2%
                    |                     | POLL        0.5%    2.6 ms  0.0%    0.0 ms
                    |                     | C1E-SKL     4.3%    2.0 ms  0.3%    0.3 ms
C2 (pc2)   11.5%    |                     |
C3 (pc3)    0.3%    | C3 (cc3)    0.1%    | C3-SKL      0.1%    0.1 ms  0.1%    0.2 ms
C6 (pc6)    2.4%    | C6 (cc6)    1.9%    | C6-SKL      2.0%    0.5 ms  3.8%    1.9 ms
C7 (pc7)    0.1%    | C7 (cc7)   37.4%    | C7s-SKL     0.0%    0.0 ms  0.0%    0.0 ms
C8 (pc8)   20.7%    |                     | C8-SKL      9.4%    1.3 ms 11.6%    5.1 ms
C9 (pc9)    0.0%    |                     | C9-SKL      0.0%    0.0 ms  0.0%    0.0 ms
C10 (pc10)  0.0%    |                     | C10-SKL    30.0%   12.6 ms 80.8%    9.8 ms


Setting more flags to "Good" does not allow my laptop to resume after closing the lid. And I've to restart the network-manager, but I can live with that.

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