Date: Sun, 26 Feb 2006 16:31:37 -0800 From: Nate Lawson <nate@root.org> To: Hajimu UMEMOTO <ume@FreeBSD.org> Cc: cvs-src@FreeBSD.org, src-committers@FreeBSD.org, cvs-all@FreeBSD.org, Colin Percival <cperciva@FreeBSD.org> Subject: Re: cvs commit: src/sys/i386/cpufreq est.c Message-ID: <44024869.5080300@root.org> In-Reply-To: <ygemzgej7jb.wl%ume@mahoroba.org> References: <200602250455.k1P4tdP2067713@repoman.freebsd.org> <ygemzgej7jb.wl%ume@mahoroba.org>
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Hajimu UMEMOTO wrote: > Hi, > >>>>>> On Sat, 25 Feb 2006 04:55:39 +0000 (UTC) >>>>>> Colin Percival <cperciva@FreeBSD.org> said: > > cperciva> cperciva 2006-02-25 04:55:39 UTC > > cperciva> FreeBSD src repository > cperciva> Modified files: > cperciva> sys/i386/cpufreq est.c > cperciva> Log: > cperciva> Add frequency-voltage tables for Intel 778, 758, 773, 753, and 733J > cperciva> processors. > cperciva> Obtained from: Intel Datasheet 302189-008 > > I tried to apply the diff to latest RELENG_6. Then, it seems voltage > is not handled correctly on my laptop. My CPU is 753. > > ume@kasuga:1010% sysctl dev.est > dev.est.0.%desc: Enhanced SpeedStep Frequency Control > dev.est.0.freq_settings: 1200/-1 1100/-1 1000/-1 900/-1 800/-1 600/-1 > > The following is the sysctl output before applying the diff. > > ume@kasuga:1004% sysctl dev.est > dev.est.0.%desc: Enhanced SpeedStep Frequency Control > dev.est.0.%driver: est > dev.est.0.%parent: cpu0 > dev.est.0.freq_settings: 1200/5000 1100/4700 1000/4300 900/4000 800/3700 600/3000 What happens is that acpi_perf attaches as "info only" if it doesn't have a method to control the frequency. For example, the control/status methods might list a hardware-specific control mechanism. Something about how the new est is attaching is causing acpi_perf to not attach in info-only mode. -- Nate
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