Index: linux-2.6.9-rc2-mm1/drivers/cpufreq/Kconfig
===================================================================
--- linux-2.6.9-rc2-mm1.orig/drivers/cpufreq/Kconfig 2004-09-19 19:49:57.716825544 +1000
+++ linux-2.6.9-rc2-mm1/drivers/cpufreq/Kconfig 2004-09-19 19:52:36.919623040 +1000
@@ -36,6 +36,17 @@ config CPU_FREQ_DEFAULT_GOV_USERSPACE
program shall be able to set the CPU dynamically without having
to enable the userspace governor manually.
+config CPU_FREQ_DEFAULT_GOV_ONDEMAND
+ bool "ondemand"
+ select CPU_FREQ_GOV_ONDEMAND
+ help
+ Use the CPUFreq governor 'ondemand' as default.
+ This governor does a periodic polling and
+ changes frequency based on the CPU utilization.
+ The support for this governor depends on CPU capability to
+ do fast frequency switching (i.e, very low latency frequency
+ transitions).
+
endchoice
config CPU_FREQ_GOV_PERFORMANCE
Index: linux-2.6.9-rc2-mm1/include/linux/cpufreq.h
===================================================================
--- linux-2.6.9-rc2-mm1.orig/include/linux/cpufreq.h 2004-09-19 19:49:57.765818096 +1000
+++ linux-2.6.9-rc2-mm1/include/linux/cpufreq.h 2004-09-19 19:52:36.919623040 +1000
@@ -323,6 +323,9 @@ extern struct cpufreq_governor cpufreq_g
#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_USERSPACE)
extern struct cpufreq_governor cpufreq_gov_userspace;
#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_userspace
+#elif defined(CONFIG_CPU_FREQ_DEFAULT_GOV_ONDEMAND)
+extern struct cpufreq_governor cpufreq_gov_dbs;
+#define CPUFREQ_DEFAULT_GOVERNOR &cpufreq_gov_dbs
#endif
I'm sorry, but this can't be done at the moment. The default cpufreq
governor needs to be one which can't fail to start up. And on-demand has
quite strict requirements on when it allows to be started and when it
doesn't.
Dominik