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;
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;
}
}
/**
- * 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;
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);
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,