[src/trunk]: src/sys/arch/arm/nvidia Set cpu_cc_freq when changing frequencies.

[jmcneill <jmcneill%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/b7de7ad893bf
branches:  trunk
changeset: 352997:b7de7ad893bf
user:      jmcneill <jmcneill%NetBSD.org@localhost>
date:      Mon Apr 17 00:43:42 2017 +0000

description:
Set cpu_cc_freq when changing frequencies.

diffstat:

 sys/arch/arm/nvidia/soc_tegra124.c |  17 ++++++++++++++---
 1 files changed, 14 insertions(+), 3 deletions(-)

diffs (45 lines):

diff -r 36d1f36bebee -r b7de7ad893bf sys/arch/arm/nvidia/soc_tegra124.c
--- a/sys/arch/arm/nvidia/soc_tegra124.c        Mon Apr 17 00:02:45 2017 +0000
+++ b/sys/arch/arm/nvidia/soc_tegra124.c        Mon Apr 17 00:43:42 2017 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: soc_tegra124.c,v 1.14 2017/04/16 12:26:04 jmcneill Exp $ */
+/* $NetBSD: soc_tegra124.c,v 1.15 2017/04/17 00:43:42 jmcneill Exp $ */
 
 /*-
  * Copyright (c) 2015 Jared D. McNeill <jmcneill%invisible.ca@localhost>
@@ -30,7 +30,7 @@
 #include "opt_multiprocessor.h"
 
 #include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: soc_tegra124.c,v 1.14 2017/04/16 12:26:04 jmcneill Exp $");
+__KERNEL_RCSID(0, "$NetBSD: soc_tegra124.c,v 1.15 2017/04/17 00:43:42 jmcneill Exp $");
 
 #include <sys/param.h>
 #include <sys/bus.h>
@@ -224,6 +224,9 @@
 {
        const u_int nrates = __arraycount(tegra124_cpufreq_rates);
        const struct tegra124_cpufreq_rate *r = NULL;
+       CPU_INFO_ITERATOR cii;
+       struct cpu_info *ci;
+       int error;
 
        if (tegra124_speedo_rate_ok(rate) == false)
                return EINVAL;
@@ -237,7 +240,15 @@
        if (r == NULL)
                return EINVAL;
 
-       return clk_set_rate(tegra124_clk_pllx, r->rate * 1000000);
+       error = clk_set_rate(tegra124_clk_pllx, r->rate * 1000000);
+       if (error == 0) {
+               rate = tegra124_cpufreq_get_rate();
+               for (CPU_INFO_FOREACH(cii, ci)) {
+                       ci->ci_data.cpu_cc_freq = rate * 1000000;
+               }
+       }
+
+       return error;
 }
 
 static u_int