From c22f36215286eaca7767c1116a2fe2d8616b8c9c Mon Sep 17 00:00:00 2001
From: njl <njl@FreeBSD.org>
Date: Sun, 23 Oct 2005 19:38:06 +0000
Subject: Like acpi_throttle, set frequency to 100% in attach.  Some BIOSen may
 set this value lower, making the system quite slow after booting.

---
 sys/i386/cpufreq/p4tcc.c | 8 ++++++++
 1 file changed, 8 insertions(+)

(limited to 'sys/i386/cpufreq')

diff --git a/sys/i386/cpufreq/p4tcc.c b/sys/i386/cpufreq/p4tcc.c
index 44c1d96..7a2eea1 100644
--- a/sys/i386/cpufreq/p4tcc.c
+++ b/sys/i386/cpufreq/p4tcc.c
@@ -150,6 +150,7 @@ static int
 p4tcc_attach(device_t dev)
 {
 	struct p4tcc_softc *sc;
+	struct cf_setting set;
 
 	sc = device_get_softc(dev);
 	sc->dev = dev;
@@ -188,6 +189,13 @@ p4tcc_attach(device_t dev)
 	}
 	sc->lowest_val = TCC_NUM_SETTINGS - sc->set_count + 1;
 
+	/*
+	 * Before we finish attach, switch to 100%.  It's possible the BIOS
+	 * set us to a lower rate.  The user can override this after boot.
+	 */
+	set.freq = 10000;
+	p4tcc_set(dev, &set);
+
 	cpufreq_register(dev);
 	return (0);
 }
-- 
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