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path: root/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c
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Diffstat (limited to 'drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c')
-rw-r--r--drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c
index 9b46b27bd30c..dad3e3741a4e 100644
--- a/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c
+++ b/drivers/gpu/drm/amd/pm/powerplay/hwmgr/vega10_thermal.c
@@ -64,7 +64,7 @@ int vega10_fan_ctrl_get_fan_speed_info(struct pp_hwmgr *hwmgr,
return 0;
}
-int vega10_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr,
+int vega10_fan_ctrl_get_fan_speed_pwm(struct pp_hwmgr *hwmgr,
uint32_t *speed)
{
uint32_t current_rpm;
@@ -78,11 +78,11 @@ int vega10_fan_ctrl_get_fan_speed_percent(struct pp_hwmgr *hwmgr,
if (hwmgr->thermal_controller.
advanceFanControlParameters.usMaxFanRPM != 0)
- percent = current_rpm * 100 /
+ percent = current_rpm * 255 /
hwmgr->thermal_controller.
advanceFanControlParameters.usMaxFanRPM;
- *speed = percent > 100 ? 100 : percent;
+ *speed = MIN(percent, 255);
return 0;
}
@@ -241,12 +241,11 @@ int vega10_fan_ctrl_stop_smc_fan_control(struct pp_hwmgr *hwmgr)
}
/**
- * vega10_fan_ctrl_set_fan_speed_percent - Set Fan Speed in percent.
+ * vega10_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 percentage value (0 - 255) to be set.
*/
-int vega10_fan_ctrl_set_fan_speed_percent(struct pp_hwmgr *hwmgr,
+int vega10_fan_ctrl_set_fan_speed_pwm(struct pp_hwmgr *hwmgr,
uint32_t speed)
{
struct amdgpu_device *adev = hwmgr->adev;
@@ -257,8 +256,7 @@ int vega10_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))
vega10_fan_ctrl_stop_smc_fan_control(hwmgr);
@@ -270,7 +268,7 @@ int vega10_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;
WREG32_SOC15(THM, 0, mmCG_FDO_CTRL0,