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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-25 00:59:22 +0100 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2014-02-25 00:59:22 +0100 |
| commit | 3c701651c8c5f35e846512070cdbf2f5980db62c (patch) | |
| tree | 529271b31a849062491afce37527cb41dab65746 /drivers/cpufreq/intel_pstate.c | |
| parent | usb: host: remove selects of USB_ARCH_HAS_?HCI (diff) | |
| parent | Linux 3.14-rc4 (diff) | |
| download | linux-3c701651c8c5f35e846512070cdbf2f5980db62c.tar.xz linux-3c701651c8c5f35e846512070cdbf2f5980db62c.zip | |
Merge 3.14-rc4 into usb-next
We want the USB fixes in here as well.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/cpufreq/intel_pstate.c')
| -rw-r--r-- | drivers/cpufreq/intel_pstate.c | 17 |
1 files changed, 13 insertions, 4 deletions
diff --git a/drivers/cpufreq/intel_pstate.c b/drivers/cpufreq/intel_pstate.c index c788abf1c457..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) @@ -357,7 +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) @@ -367,6 +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; @@ -469,7 +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, }, |