d/freebsd-dev
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Use ACPI-supplied CPU frequencies instead of estimated ones as we are about

Browse Source 
to use other values from the same table anyway.

MFC after:	3 days
This commit is contained in:
Jung-uk Kim 2011-04-27 00:32:35 +00:00
parent 90f2be2430
commit 43d645f96b
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=221102
1 changed files with 3 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
sys/x86/cpufreq/powernow.c
View File

@ -801,15 +801,13 @@ pn_decode_acpi(device_t dev, device_t perf_dev)
if ((sc->errata & A0_ERRATA) &&
(pn7_fid_to_mult[state.fid] % 10) == 5)
continue;
state.freq = 100 * pn7_fid_to_mult[state.fid] * sc->fsb;
break;
case PN8_TYPE:
state.fid = ACPI_PN8_CTRL_TO_FID(ctrl);
state.vid = ACPI_PN8_CTRL_TO_VID(ctrl);
state.freq = 100 * pn8_fid_to_mult[state.fid] * sc->fsb;
break;
}
state.freq = sets[i].freq * 1000;
state.power = sets[i].power;
j = n;
@ -841,6 +839,7 @@ pn_decode_acpi(device_t dev, device_t perf_dev)
device_printf(dev, "ACPI MAX frequency not found\n");
return (EINVAL);
}
sc->fsb = state.freq / 100 / pn7_fid_to_mult[state.fid];
break;
case PN8_TYPE:
sc->vst = ACPI_PN8_CTRL_TO_VST(ctrl),
@ -856,6 +855,7 @@ pn_decode_acpi(device_t dev, device_t perf_dev)
if (sc->powernow_max_states >= 2 &&
(sc->powernow_states[sc->powernow_max_states - 2].fid < 8))
return (EINVAL);
sc->fsb = state.freq / 100 / pn8_fid_to_mult[state.fid];
break;
}