Date: Tue, 21 Oct 2008 00:44:05 +0000 (UTC) From: Jung-uk Kim <jkim@FreeBSD.org> To: src-committers@freebsd.org, svn-src-all@freebsd.org, svn-src-head@freebsd.org Subject: svn commit: r184103 - head/sys/i386/cpufreq Message-ID: <200810210044.m9L0i58V084712@svn.freebsd.org>
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Author: jkim Date: Tue Oct 21 00:44:05 2008 New Revision: 184103 URL: http://svn.freebsd.org/changeset/base/184103 Log: Use power management information for AMD CPUs from identcpu.c. Modified: head/sys/i386/cpufreq/powernow.c Modified: head/sys/i386/cpufreq/powernow.c ============================================================================== --- head/sys/i386/cpufreq/powernow.c Tue Oct 21 00:38:00 2008 (r184102) +++ head/sys/i386/cpufreq/powernow.c Tue Oct 21 00:44:05 2008 (r184103) @@ -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 p { device_t child; - if (cpu_is_powernow_capable() == 0) + if ((amd_pminfo & (AMDPM_FID | AMDPM_VID)) == 0) return; switch (cpu_id & 0xf00) { case 0x600:
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