intel_pstate: Add Baytrail support
Add support for the Baytrail processor. Signed-off-by: Dirk Brandewie <dirk.j.brandewie@intel.com> Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
This commit is contained in:
Родитель
016c815084
Коммит
19e77c28db
|
@ -33,6 +33,8 @@
|
|||
|
||||
#define SAMPLE_COUNT 3
|
||||
|
||||
#define BYT_RATIOS 0x66a
|
||||
|
||||
#define FRAC_BITS 8
|
||||
#define int_tofp(X) ((int64_t)(X) << FRAC_BITS)
|
||||
#define fp_toint(X) ((X) >> FRAC_BITS)
|
||||
|
@ -342,6 +344,20 @@ static void intel_pstate_sysfs_expose_params(void)
|
|||
}
|
||||
|
||||
/************************** sysfs end ************************/
|
||||
static int byt_get_min_pstate(void)
|
||||
{
|
||||
u64 value;
|
||||
rdmsrl(BYT_RATIOS, value);
|
||||
return value & 0xFF;
|
||||
}
|
||||
|
||||
static int byt_get_max_pstate(void)
|
||||
{
|
||||
u64 value;
|
||||
rdmsrl(BYT_RATIOS, value);
|
||||
return (value >> 16) & 0xFF;
|
||||
}
|
||||
|
||||
static int core_get_min_pstate(void)
|
||||
{
|
||||
u64 value;
|
||||
|
@ -396,6 +412,24 @@ static struct cpu_defaults core_params = {
|
|||
},
|
||||
};
|
||||
|
||||
static struct cpu_defaults byt_params = {
|
||||
.pid_policy = {
|
||||
.sample_rate_ms = 10,
|
||||
.deadband = 0,
|
||||
.setpoint = 97,
|
||||
.p_gain_pct = 14,
|
||||
.d_gain_pct = 0,
|
||||
.i_gain_pct = 4,
|
||||
},
|
||||
.funcs = {
|
||||
.get_max = byt_get_max_pstate,
|
||||
.get_min = byt_get_min_pstate,
|
||||
.get_turbo = byt_get_max_pstate,
|
||||
.set = core_set_pstate,
|
||||
},
|
||||
};
|
||||
|
||||
|
||||
static void intel_pstate_get_min_max(struct cpudata *cpu, int *min, int *max)
|
||||
{
|
||||
int max_perf = cpu->pstate.turbo_pstate;
|
||||
|
@ -553,6 +587,7 @@ static void intel_pstate_timer_func(unsigned long __data)
|
|||
static const struct x86_cpu_id intel_pstate_cpu_ids[] = {
|
||||
ICPU(0x2a, core_params),
|
||||
ICPU(0x2d, core_params),
|
||||
ICPU(0x37, byt_params),
|
||||
ICPU(0x3a, core_params),
|
||||
ICPU(0x3c, core_params),
|
||||
ICPU(0x3e, core_params),
|
||||
|
|
Загрузка…
Ссылка в новой задаче