diff options
| -rw-r--r-- | drivers/cpufreq/amd-pstate.c | 47 |
1 files changed, 22 insertions, 25 deletions
diff --git a/drivers/cpufreq/amd-pstate.c b/drivers/cpufreq/amd-pstate.c index 856f0d11983e..5155fc0019df 100644 --- a/drivers/cpufreq/amd-pstate.c +++ b/drivers/cpufreq/amd-pstate.c @@ -1191,16 +1191,32 @@ static void amd_pstate_driver_cleanup(void) current_pstate_driver = NULL; } +static int amd_pstate_set_driver(int mode_idx) +{ + if (mode_idx >= AMD_PSTATE_DISABLE && mode_idx < AMD_PSTATE_MAX) { + cppc_state = mode_idx; + if (cppc_state == AMD_PSTATE_DISABLE) + pr_info("driver is explicitly disabled\n"); + + if (cppc_state == AMD_PSTATE_ACTIVE) + current_pstate_driver = &amd_pstate_epp_driver; + + if (cppc_state == AMD_PSTATE_PASSIVE || cppc_state == AMD_PSTATE_GUIDED) + current_pstate_driver = &amd_pstate_driver; + + return 0; + } + + return -EINVAL; +} + static int amd_pstate_register_driver(int mode) { int ret; - if (mode == AMD_PSTATE_PASSIVE || mode == AMD_PSTATE_GUIDED) - current_pstate_driver = &amd_pstate_driver; - else if (mode == AMD_PSTATE_ACTIVE) - current_pstate_driver = &amd_pstate_epp_driver; - else - return -EINVAL; + ret = amd_pstate_set_driver(mode); + if (ret) + return ret; cppc_state = mode; @@ -1726,25 +1742,6 @@ static struct cpufreq_driver amd_pstate_epp_driver = { .attr = amd_pstate_epp_attr, }; -static int __init amd_pstate_set_driver(int mode_idx) -{ - if (mode_idx >= AMD_PSTATE_DISABLE && mode_idx < AMD_PSTATE_MAX) { - cppc_state = mode_idx; - if (cppc_state == AMD_PSTATE_DISABLE) - pr_info("driver is explicitly disabled\n"); - - if (cppc_state == AMD_PSTATE_ACTIVE) - current_pstate_driver = &amd_pstate_epp_driver; - - if (cppc_state == AMD_PSTATE_PASSIVE || cppc_state == AMD_PSTATE_GUIDED) - current_pstate_driver = &amd_pstate_driver; - - return 0; - } - - return -EINVAL; -} - /* * CPPC function is not supported for family ID 17H with model_ID ranging from 0x10 to 0x2F. * show the debug message that helps to check if the CPU has CPPC support for loading issue. |