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| author | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-03-11 15:08:45 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2024-03-11 15:08:45 +0100 |
| commit | e4d0d7f194b929ca0af048bdedb71266c2e75191 (patch) | |
| tree | cc024b97da881dd2ac7dc07804989237ac0dbd19 /drivers/acpi | |
| parent | f0a0fc10abb062d122db5ac4ed42f6d1ca342649 (diff) | |
| parent | c4d61a529db788d2e52654f5b02c8d1de4952c5b (diff) | |
| download | lwn-e4d0d7f194b929ca0af048bdedb71266c2e75191.tar.gz lwn-e4d0d7f194b929ca0af048bdedb71266c2e75191.zip | |
Merge back cpufreq material for 6.9-rc1.
Diffstat (limited to 'drivers/acpi')
| -rw-r--r-- | drivers/acpi/cppc_acpi.c | 13 | ||||
| -rw-r--r-- | drivers/acpi/processor_driver.c | 6 |
2 files changed, 19 insertions, 0 deletions
diff --git a/drivers/acpi/cppc_acpi.c b/drivers/acpi/cppc_acpi.c index d155a86a8614..a50e70abdf19 100644 --- a/drivers/acpi/cppc_acpi.c +++ b/drivers/acpi/cppc_acpi.c @@ -1158,6 +1158,19 @@ int cppc_get_nominal_perf(int cpunum, u64 *nominal_perf) } /** + * cppc_get_highest_perf - Get the highest performance register value. + * @cpunum: CPU from which to get highest performance. + * @highest_perf: Return address. + * + * Return: 0 for success, -EIO otherwise. + */ +int cppc_get_highest_perf(int cpunum, u64 *highest_perf) +{ + return cppc_get_perf(cpunum, HIGHEST_PERF, highest_perf); +} +EXPORT_SYMBOL_GPL(cppc_get_highest_perf); + +/** * cppc_get_epp_perf - Get the epp register value. * @cpunum: CPU from which to get epp preference value. * @epp_perf: Return address. diff --git a/drivers/acpi/processor_driver.c b/drivers/acpi/processor_driver.c index 4bd16b3f0781..67db60eda370 100644 --- a/drivers/acpi/processor_driver.c +++ b/drivers/acpi/processor_driver.c @@ -27,6 +27,7 @@ #define ACPI_PROCESSOR_NOTIFY_PERFORMANCE 0x80 #define ACPI_PROCESSOR_NOTIFY_POWER 0x81 #define ACPI_PROCESSOR_NOTIFY_THROTTLING 0x82 +#define ACPI_PROCESSOR_NOTIFY_HIGEST_PERF_CHANGED 0x85 MODULE_AUTHOR("Paul Diefenbaugh"); MODULE_DESCRIPTION("ACPI Processor Driver"); @@ -83,6 +84,11 @@ static void acpi_processor_notify(acpi_handle handle, u32 event, void *data) acpi_bus_generate_netlink_event(device->pnp.device_class, dev_name(&device->dev), event, 0); break; + case ACPI_PROCESSOR_NOTIFY_HIGEST_PERF_CHANGED: + cpufreq_update_limits(pr->id); + acpi_bus_generate_netlink_event(device->pnp.device_class, + dev_name(&device->dev), event, 0); + break; default: acpi_handle_debug(handle, "Unsupported event [0x%x]\n", event); break; |