[SRU][D/E/U/OEM-OSP1-B][PATCH 0/2] enable intel_rapl for Comet Lake

You-Sheng Yang vicamo.yang at canonical.com
Mon Nov 25 06:56:43 UTC 2019


BugLink: https://bugs.launchpad.net/bugs/1847454

[Impact]
Intel RAPL (running average power limit) driver doesn't support Comet
Lake platforms.

[Fix]
Two commits from linux-next tree to be SRU-ed:
* commit cae478114fbe ("powercap/intel_rapl: add support for CometLake Mobile")
* commit f84fdcbc8ec0 ("powercap/intel_rapl: add support for Cometlake
  desktop")

[Test Case]
1. Boot prebuilt kernel from ppa:vicamo/ppa-1847454
2. Check if /sys/devices/virtual/powercap/intel-rapl is created and
   populated.

[Regression Potential]
Low. This affects only platforms with specific CPU models, which have no
intel_rapl support currently.

Zhang Rui (2):
  powercap/intel_rapl: add support for CometLake Mobile
  powercap/intel_rapl: add support for Cometlake desktop

 drivers/powercap/intel_rapl_common.c | 2 ++
 1 file changed, 2 insertions(+)

-- 
2.24.0




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