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cpufreq: intel_pstate: Add Emerald Rapids support in no-HWP mode

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Users may disable HWP in firmware, in which case intel_pstate will give up
unless the CPU model is explicitly supported.

See also the following past commits:

 - commit df51f287b5 ("cpufreq: intel_pstate: Add Sapphire Rapids support
   in no-HWP mode")
 - commit d8de7a44e1 ("cpufreq: intel_pstate: Add Skylake servers support")
 - commit 706c532885 ("cpufreq: intel_pstate: Add Cometlake support in
   no-HWP mode")
 - commit fbdc21e9b0 ("cpufreq: intel_pstate: Add Icelake servers support in
   no-HWP mode")
 - commit 71bb5c82aa ("cpufreq: intel_pstate: Add Tigerlake support in
   no-HWP mode")

Signed-off-by: Zhenguo Yao <yaozhenguo1@gmail.com>
Acked-by: Srinivas Pandruvada <srinivas.pandruvada@linux.intel.com>
[ rjw: Changelog edits ]
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Zhenguo Yao 2023-12-13 18:28:08 +08:00 committed by Rafael J. Wysocki
parent 2719675fa8
commit e95013156a
1 changed files with 1 additions and 0 deletions
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1
drivers/cpufreq/intel_pstate.c
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@ -2406,6 +2406,7 @@ static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
X86_MATCH(ICELAKE_X, core_funcs),
X86_MATCH(TIGERLAKE, core_funcs),
X86_MATCH(SAPPHIRERAPIDS_X, core_funcs),
X86_MATCH(EMERALDRAPIDS_X, core_funcs),
{}
};
MODULE_DEVICE_TABLE(x86cpu, intel_pstate_cpu_ids);