| Message ID | 20220325054228.5247-4-mario.limonciello@amd.com |
|---|---|
| State | New |
| Headers | show |
| Series | Improve usability for amd-pstate | expand |
On Fri, Mar 25, 2022 at 01:42:28PM +0800, Limonciello, Mario wrote: > `amd-pstate` currently only loads automatically if compiled into the > kernel. To improve the usability, add a module device table that > will load when AMD CPUs that support CPPC are detected. > There is one AMD semi-custom processor which has the CPPC feature flag, but the SBIOS doesn't support _CPC objects. Thanks, Ray > Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> > --- > drivers/cpufreq/amd-pstate.c | 6 ++++++ > 1 file changed, 6 insertions(+) > > diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c > index 31a04e818195..44490292fa72 100644 > --- a/drivers/cpufreq/amd-pstate.c > +++ b/drivers/cpufreq/amd-pstate.c > @@ -644,6 +644,12 @@ static void __exit amd_pstate_exit(void) > amd_pstate_enable(false); > } > > +static const struct x86_cpu_id __maybe_unused amd_pstate_ids[] = { > + X86_MATCH_VENDOR_FEATURE(AMD, X86_FEATURE_CPPC, NULL), > + {} > +}; > +MODULE_DEVICE_TABLE(x86cpu, amd_pstate_ids); > + > module_init(amd_pstate_init); > module_exit(amd_pstate_exit); > > -- > 2.34.1 >
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 31a04e818195..44490292fa72 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -644,6 +644,12 @@ static void __exit amd_pstate_exit(void) amd_pstate_enable(false); } +static const struct x86_cpu_id __maybe_unused amd_pstate_ids[] = { + X86_MATCH_VENDOR_FEATURE(AMD, X86_FEATURE_CPPC, NULL), + {} +}; +MODULE_DEVICE_TABLE(x86cpu, amd_pstate_ids); + module_init(amd_pstate_init); module_exit(amd_pstate_exit);
`amd-pstate` currently only loads automatically if compiled into the kernel. To improve the usability, add a module device table that will load when AMD CPUs that support CPPC are detected. Signed-off-by: Mario Limonciello <mario.limonciello@amd.com> --- drivers/cpufreq/amd-pstate.c | 6 ++++++ 1 file changed, 6 insertions(+)