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

Stefan Bader stefan.bader at canonical.com
Thu Nov 28 16:33:14 UTC 2019


On 25.11.19 07:56, You-Sheng Yang wrote:
> 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(+)
> 
The used bug report is private. There must be a public bug report for SRU.



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