drm/amdgpu: enable sysfs interface for powerplay

Same interface exposed in pre-powerplay dpm code.

Signed-off-by: Rex Zhu <Rex.Zhu@amd.com>
Reviewed-by: Jammy Zhou <Jammy.Zhou@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 11 insertions, 9 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 235fae54724b..40ae30530a01 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -184,10 +184,10 @@ static ssize_t amdgpu_hwmon_show_temp(struct device *dev,
         struct amdgpu_device *adev = dev_get_drvdata(dev);
         int temp;
 
-        if (adev->pm.funcs->get_temperature)
-                temp = amdgpu_dpm_get_temperature(adev);
-        else
+        if (!amdgpu_powerplay && !adev->pm.funcs->get_temperature)
                 temp = 0;
+        else
+                temp = amdgpu_dpm_get_temperature(adev);
 
         return snprintf(buf, PAGE_SIZE, "%d\n", temp);
 }
@@ -215,8 +215,10 @@ static ssize_t amdgpu_hwmon_get_pwm1_enable(struct device *dev,
         struct amdgpu_device *adev = dev_get_drvdata(dev);
         u32 pwm_mode = 0;
 
-        if (adev->pm.funcs->get_fan_control_mode)
-                pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
+        if (!amdgpu_powerplay && !adev->pm.funcs->get_fan_control_mode)
+                return -EINVAL;
+
+        pwm_mode = amdgpu_dpm_get_fan_control_mode(adev);
 
         /* never 0 (full-speed), fuse or smc-controlled always */
         return sprintf(buf, "%i\n", pwm_mode == FDO_PWM_MODE_STATIC ? 1 : 2);
@@ -231,7 +233,7 @@ static ssize_t amdgpu_hwmon_set_pwm1_enable(struct device *dev,
         int err;
         int value;
 
-        if (!adev->pm.funcs->set_fan_control_mode)
+        if (!amdgpu_powerplay && !adev->pm.funcs->set_fan_control_mode)
                 return -EINVAL;
 
         err = kstrtoint(buf, 10, &value);
@@ -328,9 +330,6 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
         struct amdgpu_device *adev = dev_get_drvdata(dev);
         umode_t effective_mode = attr->mode;
 
-        if (amdgpu_powerplay)
-                return 0;  /* to do */
-
         /* Skip limit attributes if DPM is not enabled */
         if (!adev->pm.dpm_enabled &&
             (attr == &sensor_dev_attr_temp1_crit.dev_attr.attr ||
@@ -341,6 +340,9 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
              attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
                 return 0;
 
+        if (amdgpu_powerplay)
+                return effective_mode;
+
         /* Skip fan attributes if fan is not present */
         if (adev->pm.no_fan &&
             (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||