diff options
Diffstat (limited to 'src/soc/intel/baytrail/acpi.c')
| -rw-r--r-- | src/soc/intel/baytrail/acpi.c | 7 |
1 files changed, 4 insertions, 3 deletions
diff --git a/src/soc/intel/baytrail/acpi.c b/src/soc/intel/baytrail/acpi.c index 1ab1eb3748..67e8c0ca89 100644 --- a/src/soc/intel/baytrail/acpi.c +++ b/src/soc/intel/baytrail/acpi.c @@ -73,7 +73,7 @@ static acpi_cstate_t cstate_map[] = { /* C6FS with full L2 shrink */ .ctype = 3, /* ACPI C3 */ .latency = 1500, /* 1.5ms worst case */ - .power = 10, + .power = 1, .resource = MWAIT_RES(5, 2), } }; @@ -353,8 +353,9 @@ static int generate_P_state_entries(int core, int cores_per_package) vid_max = pattrs->iacore_vids[IACORE_MAX]; vid_min = pattrs->iacore_vids[IACORE_LFM]; - /* Hardware coordination of P-states */ - coord_type = HW_ALL; + /* Set P-states coordination type based on MSR disable bit */ + msr = rdmsr(MSR_PMG_CST_CONFIG_CONTROL); + coord_type = (msr.lo & SINGLE_PCTL) ? SW_ALL : HW_ALL; /* Max Non-Turbo Frequency */ clock_max = (ratio_max * pattrs->bclk_khz) / 1000; |