From 80e370ef722904da576d79bc016251c561ffe09d Mon Sep 17 00:00:00 2001
From: Gordon Willem Klok <gwk@cvs.openbsd.org>
Date: Sat, 27 May 2006 04:46:13 +0000
Subject: Teach powernow about setperf prioritys, add a setperf_prio to amd64.
 ok uwe@, "good" tedu@

---
 sys/arch/i386/i386/powernow-k7.c | 7 ++++++-
 sys/arch/i386/i386/powernow-k8.c | 7 ++++++-
 2 files changed, 12 insertions(+), 2 deletions(-)

(limited to 'sys/arch/i386')

diff --git a/sys/arch/i386/i386/powernow-k7.c b/sys/arch/i386/i386/powernow-k7.c
index 242efaf445d..896b018191e 100644
--- a/sys/arch/i386/i386/powernow-k7.c
+++ b/sys/arch/i386/i386/powernow-k7.c
@@ -1,4 +1,4 @@
-/* $OpenBSD: powernow-k7.c,v 1.21 2006/05/11 13:21:11 mickey Exp $ */
+/* $OpenBSD: powernow-k7.c,v 1.22 2006/05/27 04:46:12 gwk Exp $ */
 
 /*
  * Copyright (c) 2004 Martin Végiard.
@@ -151,6 +151,7 @@ struct pst_s {
 };
 
 struct k7pnow_cpu_state *k7pnow_current_state;
+extern int setperf_prio;
 
 /*
  * Prototypes
@@ -326,6 +327,9 @@ k7_powernow_init(void)
 	char *techname = NULL;
 	int i;
 
+	if (setperf_prio > 1)
+		return;
+
 	ci = curcpu();
 
 	cpuid(0x80000000, regs);
@@ -366,6 +370,7 @@ k7_powernow_init(void)
 			
 			k7pnow_current_state = cstate;
 			cpu_setperf = k7_powernow_setperf;
+			setperf_prio = 1;
 			return;
 		}
 	}
diff --git a/sys/arch/i386/i386/powernow-k8.c b/sys/arch/i386/i386/powernow-k8.c
index 6a944f82ae4..47454927d7a 100644
--- a/sys/arch/i386/i386/powernow-k8.c
+++ b/sys/arch/i386/i386/powernow-k8.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: powernow-k8.c,v 1.10 2006/05/11 13:21:12 mickey Exp $ */
+/*	$OpenBSD: powernow-k8.c,v 1.11 2006/05/27 04:46:12 gwk Exp $ */
 
 /*
  * Copyright (c) 2004 Martin Végiard.
@@ -154,6 +154,7 @@ struct pst_s {
 };
 
 struct k8pnow_cpu_state *k8pnow_current_state = NULL;
+extern int setperf_prio;
 
 /*
  * Prototypes
@@ -381,6 +382,9 @@ k8_powernow_init(void)
 
 	ci = curcpu();
 
+	if (setperf_prio > 1)
+		return;
+
 	if (k8pnow_current_state)
 		return;
 
@@ -421,6 +425,7 @@ k8_powernow_init(void)
 			printf(" Mhz\n");
 			k8pnow_current_state = cstate;
 			cpu_setperf = k8_powernow_setperf;
+			setperf_prio = 1;
 			return;
 		}
 	}
-- 
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