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authorZhang Rui <rui.zhang@intel.com>2023-04-19 10:44:13 +0800
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2023-05-24 18:46:19 +0200
commit9050a9cd5e4c848e265915d6e7b1f731e6e1e0e6 (patch)
tree3c207e631304171d98760e1cc779ca869c4b7504 /COPYING
parenta38f300bb23c896d2d132a4502086d4bfec2a25e (diff)
powercap: intel_rapl: Cleanup Power Limits support
The same set of operations are shared by different Powert Limits, including Power Limit get/set, Power Limit enable/disable, clamping enable/disable, time window get/set, and max power get/set, etc. But the same operation for different Power Limit has different primitives because they use different registers/register bits. A lot of dirty/duplicate code was introduced to handle this difference. Introduce a universal way to issue Power Limit operations. Instead of using hardcoded primitive name directly, use Power Limit id + operation type, and hide all the Power Limit difference details in a central place, get_pl_prim(). Two helpers, rapl_read_pl_data() and rapl_write_pl_data(), are introduced at the same time to simplify the code for issuing Power Limit operations. Signed-off-by: Zhang Rui <rui.zhang@intel.com> Tested-by: Wang Wendy <wendy.wang@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
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