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drm/amd/powerplay: implement pwm1 hwmon interface for SMU11 (v2)

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added main functions:
	get_fan_speed_percent
	set_fan_speed_percent.
added dependent functions:
	smc_fan_control
	set_fan_static_mode
	get_fan_speed_percent

v2: fix coding style issue

Signed-off-by: Chengming Gui <Jack.Gui@amd.com>
Reviewed-by: Huang Rui <ray.huang@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Chengming Gui
2019-01-24 18:39:04 +08:00
committed by Alex Deucher
parent 46814f5152
commit 008a9524cf
3 changed files with 112 additions and 4 deletions
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18
drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
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@@ -1444,8 +1444,10 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
if ((adev->flags & AMD_IS_PX) &&
(adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
return -EINVAL;
pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
if (is_support_sw_smu(adev))
pwm_mode = smu_get_fan_control_mode(&adev->smu);
else
pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
if (pwm_mode != AMD_FAN_CTRL_MANUAL) {
pr_info("manual fan speed control should be enabled first\n");
return -EINVAL;
@@ -1457,7 +1459,11 @@ static ssize_t amdgpu_hwmon_set_pwm1(struct device *dev,
value = (value * 100) / 255;
if (adev->powerplay.pp_funcs->set_fan_speed_percent) {
if (is_support_sw_smu(adev)) {
err = smu_set_fan_speed_percent(&adev->smu, value);
if (err)
return err;
} else if (adev->powerplay.pp_funcs->set_fan_speed_percent) {
err = amdgpu_dpm_set_fan_speed_percent(adev, value);
if (err)
return err;
@@ -1479,7 +1485,11 @@ static ssize_t amdgpu_hwmon_get_pwm1(struct device *dev,
(adev->ddev->switch_power_state != DRM_SWITCH_POWER_ON))
return -EINVAL;
if (adev->powerplay.pp_funcs->get_fan_speed_percent) {
if (is_support_sw_smu(adev)) {
err = smu_get_fan_speed_percent(&adev->smu, &speed);
if (err)
return err;
} else if (adev->powerplay.pp_funcs->get_fan_speed_percent) {
err = amdgpu_dpm_get_fan_speed_percent(adev, &speed);
if (err)
return err;