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powercap: intel_rapl: Add PL4 support for Ice Lake
authorDaniel Tang <danielzgtg.opensource@gmail.com>
Thu, 15 Jan 2026 02:01:52 +0000 (21:01 -0500)
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>
Thu, 15 Jan 2026 20:14:54 +0000 (21:14 +0100)
commit54b3cd55a515c7c0fcfa0c1f0b10d62c11d64bcc
treee668dfae784f49d23b56170b90275bd61face0d3tree
parent07e5e811f86dcd6f595c3bbd71cde294e8545889commit | diff
powercap: intel_rapl: Add PL4 support for Ice Lake

Microsoft Surface Pro 7 firmware throttles the processor upon
boot/resume. Userspace needs to be able to restore the correct value.

Link: https://github.com/linux-surface/linux-surface/issues/706
Signed-off-by: Daniel Tang <danielzgtg.opensource@gmail.com>
Link: https://patch.msgid.link/6088605.ChMirdbgyp@daniel-desktop3
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
drivers/powercap/intel_rapl_msr.c diff | blob | blame | history
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