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Use power management information for AMD CPUs from identcpu.c.

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This commit is contained in:
Jung-uk Kim 2008-10-21 00:44:05 +00:00
parent 29462bea1e
commit 23babe02d2
1 changed files with 1 additions and 17 deletions
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18
sys/i386/cpufreq/powernow.c
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@ -758,22 +758,6 @@ pn_decode_pst(device_t dev)
return (ENODEV);
}
/*
* TODO: this should be done in sys/ARCH/ARCH/identcpu.c
*/
static int
cpu_is_powernow_capable(void)
{
u_int regs[4];
if (strcmp(cpu_vendor, "AuthenticAMD") != 0 ||
cpu_exthigh < 0x80000007)
return (FALSE);
do_cpuid(0x80000007, regs);
return (regs[3] & 0x6);
}
static int
pn_decode_acpi(device_t dev, device_t perf_dev)
{
@ -883,7 +867,7 @@ pn_identify(driver_t *driver, device_t parent)
{
device_t child;
if (cpu_is_powernow_capable() == 0)
if ((amd_pminfo & (AMDPM_FID | AMDPM_VID)) == 0)
return;
switch (cpu_id & 0xf00) {
case 0x600: