为什么我的 Alder Lake CPUID 报告它不支持硬件 P-State？

Question

我有一个英特尔 i5-1235U。 CPUID 报告它不支持硬件 P 状态 (HWP)。据英特尔称，所有 Alder Lake CPU 都支持 HWP。 CPUID 在 Windows 和 Linux 上都报告没有 HWP。这是 Linux（内核 6.1）中

cpuid

的相关输出：

 Thermal and Power Management Features (6):
      digital thermometer                     = true
      Intel Turbo Boost Technology            = true
      ARAT always running APIC timer          = true
      PLN power limit notification            = true
      ECMD extended clock modulation duty     = true
      PTM package thermal management          = true
      HWP base registers                      = false
      HWP notification                        = false
      HWP activity window                     = false
      HWP energy performance preference       = false
      HWP package level request               = false
      HDC base registers                      = false
      Intel Turbo Boost Max Technology 3.0    = false
      HWP capabilities                        = false
      HWP PECI override                       = false
      flexible HWP                            = false
      IA32_HWP_REQUEST MSR fast access mode   = false
      HW_FEEDBACK MSRs supported              = true
      ignoring idle logical processor HWP req = false

这里是

cpuid

CPU 信息：

CPU 0:
   vendor_id = "GenuineIntel"
   version information (1/eax):
      processor type  = primary processor (0)
      family          = 0x6 (6)
      model           = 0xa (10)
      stepping id     = 0x4 (4)
      extended family = 0x0 (0)
      extended model  = 0x9 (9)
      (family synth)  = 0x6 (6)
      (model synth)   = 0x9a (154)
      (simple synth)  = Intel Atom (Alder Lake-P) [Golden Cove], 10nm

HWP 未在 BIOS 中禁用。事实上，BIOS 甚至没有给我启用/禁用 HWP 的选项，因为 CPUID 说它不支持 HWP。