diff options
Diffstat (limited to 'sys/x86/cpufreq/hwpstate.c')
| -rw-r--r-- | sys/x86/cpufreq/hwpstate.c | 16 |
1 files changed, 9 insertions, 7 deletions
diff --git a/sys/x86/cpufreq/hwpstate.c b/sys/x86/cpufreq/hwpstate.c index d4c70b773c70..97762dcf48b9 100644 --- a/sys/x86/cpufreq/hwpstate.c +++ b/sys/x86/cpufreq/hwpstate.c @@ -408,25 +408,27 @@ hwpstate_get_info_from_msr(device_t dev) hwpstate_set = sc->hwpstate_settings; for (i = 0; i < sc->cfnum; i++) { msr = rdmsr(MSR_AMD_10H_11H_CONFIG + i); - if ((msr & ((uint64_t)1 << 63)) != ((uint64_t)1 << 63)) { + if ((msr & ((uint64_t)1 << 63)) == 0) { HWPSTATE_DEBUG(dev, "msr is not valid.\n"); return (ENXIO); } did = AMD_10H_11H_CUR_DID(msr); fid = AMD_10H_11H_CUR_FID(msr); + + /* Convert fid/did to frequency. */ switch(family) { case 0x11: - /* fid/did to frequency */ - hwpstate_set[i].freq = 100 * (fid + 0x08) / (1 << did); + hwpstate_set[i].freq = (100 * (fid + 0x08)) >> did; break; case 0x10: - /* fid/did to frequency */ - hwpstate_set[i].freq = 100 * (fid + 0x10) / (1 << did); + case 0x12: + case 0x15: + case 0x16: + hwpstate_set[i].freq = (100 * (fid + 0x10)) >> did; break; default: - HWPSTATE_DEBUG(dev, "get_info_from_msr: AMD family %d CPU's are not implemented yet. sorry.\n", family); + HWPSTATE_DEBUG(dev, "get_info_from_msr: AMD family 0x%02x CPU's are not implemented yet. sorry.\n", family); return (ENXIO); - break; } hwpstate_set[i].pstate_id = i; /* There was volts calculation, but deleted it. */ |