diff options
| author | Daniel Tang <danielzgtg.opensource@gmail.com> | 2026-01-14 21:01:52 -0500 |
|---|---|---|
| committer | Sasha Levin <sashal@kernel.org> | 2026-03-04 07:19:36 -0500 |
| commit | 790a984e34f3aea01ba66f191408180e2f8e3e43 (patch) | |
| tree | ce0520646ae4b75a5517d68ebdff7761570f726f /drivers/powercap | |
| parent | 2a9bf565d6fe4752fbae57ece2c1a79641594d5a (diff) | |
powercap: intel_rapl: Add PL4 support for Ice Lake
[ Upstream commit 54b3cd55a515c7c0fcfa0c1f0b10d62c11d64bcc ]
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>
Signed-off-by: Sasha Levin <sashal@kernel.org>
Diffstat (limited to 'drivers/powercap')
| -rw-r--r-- | drivers/powercap/intel_rapl_msr.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/powercap/intel_rapl_msr.c b/drivers/powercap/intel_rapl_msr.c index c6b9a7debc35..e827247683db 100644 --- a/drivers/powercap/intel_rapl_msr.c +++ b/drivers/powercap/intel_rapl_msr.c @@ -140,6 +140,7 @@ static int rapl_msr_write_raw(int cpu, struct reg_action *ra) /* List of verified CPUs. */ static const struct x86_cpu_id pl4_support_ids[] = { + X86_MATCH_VFM(INTEL_ICELAKE_L, NULL), X86_MATCH_VFM(INTEL_TIGERLAKE_L, NULL), X86_MATCH_VFM(INTEL_ALDERLAKE, NULL), X86_MATCH_VFM(INTEL_ALDERLAKE_L, NULL), |