1 files changed, 13 insertions, 13 deletions

diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c
index 79606f473f48..e90816105921 100644
--- a/drivers/cpufreq/intel_pstate.c
+++ b/drivers/cpufreq/intel_pstate.c
@@ -34,8 +34,10 @@
 
 #define SAMPLE_COUNT            3
 
-#define BYT_RATIOS      0x66a
-#define BYT_VIDS        0x66b
+#define BYT_RATIOS              0x66a
+#define BYT_VIDS                0x66b
+#define BYT_TURBO_RATIOS        0x66c
+
 
 #define FRAC_BITS 8
 #define int_tofp(X) ((int64_t)(X) << FRAC_BITS)
@@ -51,8 +53,6 @@ static inline int32_t div_fp(int32_t x, int32_t y)
         return div_s64((int64_t)x << FRAC_BITS, (int64_t)y);
 }
 
-static u64 energy_divisor;
-
 struct sample {
         int32_t core_pct_busy;
         u64 aperf;
@@ -359,7 +359,7 @@ static int byt_get_min_pstate(void)
 {
         u64 value;
         rdmsrl(BYT_RATIOS, value);
-        return value & 0xFF;
+        return (value >> 8) & 0xFF;
 }
 
 static int byt_get_max_pstate(void)
@@ -369,6 +369,13 @@ static int byt_get_max_pstate(void)
         return (value >> 16) & 0xFF;
 }
 
+static int byt_get_turbo_pstate(void)
+{
+        u64 value;
+        rdmsrl(BYT_TURBO_RATIOS, value);
+        return value & 0x3F;
+}
+
 static void byt_set_pstate(struct cpudata *cpudata, int pstate)
 {
         u64 val;
@@ -471,7 +478,7 @@ static struct cpu_defaults byt_params = {
         .funcs = {
                 .get_max = byt_get_max_pstate,
                 .get_min = byt_get_min_pstate,
-                .get_turbo = byt_get_max_pstate,
+                .get_turbo = byt_get_turbo_pstate,
                 .set = byt_set_pstate,
                 .get_vid = byt_get_vid,
         },
@@ -630,12 +637,10 @@ static void intel_pstate_timer_func(unsigned long __data)
 {
         struct cpudata *cpu = (struct cpudata *) __data;
         struct sample *sample;
-        u64 energy;
 
         intel_pstate_sample(cpu);
 
         sample = &cpu->samples[cpu->sample_ptr];
-        rdmsrl(MSR_PKG_ENERGY_STATUS, energy);
 
         intel_pstate_adjust_busy_pstate(cpu);
 
@@ -644,7 +649,6 @@ static void intel_pstate_timer_func(unsigned long __data)
                         cpu->pstate.current_pstate,
                         sample->mperf,
                         sample->aperf,
-                        div64_u64(energy, energy_divisor),
                         sample->freq);
 
         intel_pstate_set_sample_time(cpu);
@@ -926,7 +930,6 @@ static int __init intel_pstate_init(void)
         int cpu, rc = 0;
         const struct x86_cpu_id *id;
         struct cpu_defaults *cpu_info;
-        u64 units;
 
         if (no_load)
                 return -ENODEV;
@@ -960,9 +963,6 @@ static int __init intel_pstate_init(void)
         if (rc)
                 goto out;
 
-        rdmsrl(MSR_RAPL_POWER_UNIT, units);
-        energy_divisor = 1 << ((units >> 8) & 0x1f); /* bits{12:8} */
-
         intel_pstate_debug_expose_params();
         intel_pstate_sysfs_expose_params();