diff options
Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c | 21 |
1 files changed, 8 insertions, 13 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c index 6cfe148ed45b..a6c3610db23e 100644 --- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c +++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/smu7_thermal.c @@ -51,7 +51,7 @@ int smu7_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr, return 0; } -int smu7_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, +int smu7_fan_ctrl_get_fan_speed_pwm(struct pp_hwmgr *hwmgr, uint32_t *speed) { uint32_t duty100; @@ -70,12 +70,9 @@ int smu7_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr, return -EINVAL; - tmp64 = (uint64_t)duty * 100; + tmp64 = (uint64_t)duty * 255; do_div(tmp64, duty100); - *speed = (uint32_t)tmp64; - - if (*speed > 100) - *speed = 100; + *speed = MIN((uint32_t)tmp64, 255); return 0; } @@ -199,12 +196,11 @@ int smu7_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr) } /** - * smu7_fan_ctrl_set_fan_speed_percent - Set Fan Speed in percent. + * smu7_fan_ctrl_set_fan_speed_pwm - Set Fan Speed in PWM. * @hwmgr: the address of the powerplay hardware manager. - * @speed: is the percentage value (0% - 100%) to be set. - * Exception: Fails is the 100% setting appears to be 0. + * @speed: is the pwm value (0 - 255) to be set. */ -int smu7_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, +int smu7_fan_ctrl_set_fan_speed_pwm(struct pp_hwmgr *hwmgr, uint32_t speed) { uint32_t duty100; @@ -214,8 +210,7 @@ int smu7_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, if (hwmgr->thermal_controller.fanInfo.bNoFan) return 0; - if (speed > 100) - speed = 100; + speed = MIN(speed, 255); if (PP_CAP(PHM_PlatformCaps_MicrocodeFanControl)) smu7_fan_ctrl_stop_smc_fan_control(hwmgr); @@ -227,7 +222,7 @@ int smu7_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr, return -EINVAL; tmp64 = (uint64_t)speed * duty100; - do_div(tmp64, 100); + do_div(tmp64, 255); duty = (uint32_t)tmp64; PHM_WRITE_VFPF_INDIRECT_FIELD(hwmgr->device, CGS_IND_REG__SMC, |