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Merge branch 'pm-cpu'
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* pm-cpu:
  x86: remove duplicate turbo ratio limit MSRs
  tools/power turbostat: Replace MSR_NHM_TURBO_RATIO_LIMIT
  cpufreq: intel_pstate: Replace MSR_NHM_TURBO_RATIO_LIMIT
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Rafael J. Wysocki committed Jul 25, 2016
2 parents e717a62 + a0c9b8c commit bc841e2
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Showing 4 changed files with 4 additions and 6 deletions.
2 changes: 0 additions & 2 deletions arch/x86/include/asm/msr-index.h
Original file line number Diff line number Diff line change
Expand Up @@ -64,8 +64,6 @@

#define MSR_OFFCORE_RSP_0 0x000001a6
#define MSR_OFFCORE_RSP_1 0x000001a7
#define MSR_NHM_TURBO_RATIO_LIMIT 0x000001ad
#define MSR_IVT_TURBO_RATIO_LIMIT 0x000001ae
#define MSR_TURBO_RATIO_LIMIT 0x000001ad
#define MSR_TURBO_RATIO_LIMIT1 0x000001ae
#define MSR_TURBO_RATIO_LIMIT2 0x000001af
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4 changes: 2 additions & 2 deletions drivers/cpufreq/intel_pstate.c
Original file line number Diff line number Diff line change
Expand Up @@ -972,7 +972,7 @@ static int core_get_turbo_pstate(void)
u64 value;
int nont, ret;

rdmsrl(MSR_NHM_TURBO_RATIO_LIMIT, value);
rdmsrl(MSR_TURBO_RATIO_LIMIT, value);
nont = core_get_max_pstate();
ret = (value) & 255;
if (ret <= nont)
Expand Down Expand Up @@ -1001,7 +1001,7 @@ static int knl_get_turbo_pstate(void)
u64 value;
int nont, ret;

rdmsrl(MSR_NHM_TURBO_RATIO_LIMIT, value);
rdmsrl(MSR_TURBO_RATIO_LIMIT, value);
nont = core_get_max_pstate();
ret = (((value) >> 8) & 0xFF);
if (ret <= nont)
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2 changes: 1 addition & 1 deletion tools/power/x86/turbostat/turbostat.8
Original file line number Diff line number Diff line change
Expand Up @@ -123,7 +123,7 @@ cpu0: MSR_NHM_PLATFORM_INFO: 0x80838f3012300
35 * 100 = 3500 MHz TSC frequency
cpu0: MSR_IA32_POWER_CTL: 0x0004005d (C1E auto-promotion: DISabled)
cpu0: MSR_NHM_SNB_PKG_CST_CFG_CTL: 0x1e000400 (UNdemote-C3, UNdemote-C1, demote-C3, demote-C1, UNlocked: pkg-cstate-limit=0: pc0)
cpu0: MSR_NHM_TURBO_RATIO_LIMIT: 0x25262727
cpu0: MSR_TURBO_RATIO_LIMIT: 0x25262727
37 * 100 = 3700 MHz max turbo 4 active cores
38 * 100 = 3800 MHz max turbo 3 active cores
39 * 100 = 3900 MHz max turbo 2 active cores
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2 changes: 1 addition & 1 deletion tools/power/x86/turbostat/turbostat.c
Original file line number Diff line number Diff line change
Expand Up @@ -1480,7 +1480,7 @@ dump_knl_turbo_ratio_limits(void)
unsigned int cores[buckets_no];
unsigned int ratio[buckets_no];

get_msr(base_cpu, MSR_NHM_TURBO_RATIO_LIMIT, &msr);
get_msr(base_cpu, MSR_TURBO_RATIO_LIMIT, &msr);

fprintf(outf, "cpu%d: MSR_TURBO_RATIO_LIMIT: 0x%08llx\n",
base_cpu, msr);
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