diff options
| author | Evan Quan <evan.quan@amd.com> | 2021-02-10 10:16:08 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2021-08-16 15:35:56 -0400 |
| commit | 0d8318e11203c2d1ec54ae9a4aad71fb0ecf9c36 (patch) | |
| tree | 5de774bf887cdbbba151f350b16ae15f2cfe55f0 /drivers/gpu/drm/amd/pm/amdgpu_pm.c | |
| parent | d9ca7567b864322b9fd13b0d29ed510b80bba2f0 (diff) | |
drm/amd/pm: drop the unnecessary intermediate percent-based transition
Currently, the readout of fan speed pwm is transited into percent-based
and then pwm-based. However, the transition into percent-based is totally
unnecessary and make the final output less accurate.
Signed-off-by: Evan Quan <evan.quan@amd.com>
Reviewed-by: Lijo Lazar <lijo.lazar@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/pm/amdgpu_pm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/pm/amdgpu_pm.c | 20 |
1 files changed, 8 insertions, 12 deletions
diff --git a/drivers/gpu/drm/amd/pm/amdgpu_pm.c b/drivers/gpu/drm/amd/pm/amdgpu_pm.c index 545689d80d8c..2d55627b05b1 100644 --- a/drivers/gpu/drm/amd/pm/amdgpu_pm.c +++ b/drivers/gpu/drm/amd/pm/amdgpu_pm.c @@ -2474,10 +2474,8 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev, return err; } - value = (value * 100) / 255; - - if (adev->powerplay.pp_funcs->set_fan_speed_percent) - err = amdgpu_dpm_set_fan_speed_percent(adev, value); + if (adev->powerplay.pp_funcs->set_fan_speed_pwm) + err = amdgpu_dpm_set_fan_speed_pwm(adev, value); else err = -EINVAL; @@ -2509,8 +2507,8 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev, return err; } - if (adev->powerplay.pp_funcs->get_fan_speed_percent) - err = amdgpu_dpm_get_fan_speed_percent(adev, &speed); + if (adev->powerplay.pp_funcs->get_fan_speed_pwm) + err = amdgpu_dpm_get_fan_speed_pwm(adev, &speed); else err = -EINVAL; @@ -2520,8 +2518,6 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev, if (err) return err; - speed = (speed * 255) / 100; - return sysfs_emit(buf, "%i\n", speed); } @@ -3357,13 +3353,13 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, if (!is_support_sw_smu(adev)) { /* mask fan attributes if we have no bindings for this asic to expose */ - if ((!adev->powerplay.pp_funcs->get_fan_speed_percent && + if ((!adev->powerplay.pp_funcs->get_fan_speed_pwm && attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */ (!adev->powerplay.pp_funcs->get_fan_control_mode && attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't query state */ effective_mode &= ~S_IRUGO; - if ((!adev->powerplay.pp_funcs->set_fan_speed_percent && + if ((!adev->powerplay.pp_funcs->set_fan_speed_pwm && attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't manage fan */ (!adev->powerplay.pp_funcs->set_fan_control_mode && attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr)) /* can't manage state */ @@ -3387,8 +3383,8 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj, if (!is_support_sw_smu(adev)) { /* hide max/min values if we can't both query and manage the fan */ - if ((!adev->powerplay.pp_funcs->set_fan_speed_percent && - !adev->powerplay.pp_funcs->get_fan_speed_percent) && + if ((!adev->powerplay.pp_funcs->set_fan_speed_pwm && + !adev->powerplay.pp_funcs->get_fan_speed_pwm) && (!adev->powerplay.pp_funcs->set_fan_speed_rpm && !adev->powerplay.pp_funcs->get_fan_speed_rpm) && (attr == &sensor_dev_attr_pwm1_max.dev_attr.attr || |