drm/amdgpu/pm: rework the hwmon visibility settings

Previously we just always exposed everything for asics
supported by powerplay.  Make it a bit more fine grained.
In practice this shouldn't change anything.

Acked-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Rex Zhu <Rex.Zhu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 6c53c6b..f12b9e7 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -1246,9 +1246,19 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
        struct amdgpu_device *adev = dev_get_drvdata(dev);
        umode_t effective_mode = attr->mode;
 
-       /* no skipping for powerplay */
-       if (adev->powerplay.cgs_device)
-               return effective_mode;
+       /* handle non-powerplay limitations */
+       if (!adev->powerplay.cgs_device) {
+               /* Skip fan attributes if fan is not present */
+               if (adev->pm.no_fan &&
+                   (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
+                    attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
+                    attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
+                    attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
+                       return 0;
+               /* requires powerplay */
+               if (attr == &sensor_dev_attr_fan1_input.dev_attr.attr)
+                       return 0;
+       }
 
        /* Skip limit attributes if DPM is not enabled */
        if (!adev->pm.dpm_enabled &&
@@ -1260,14 +1270,6 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
             attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
                return 0;
 
-       /* Skip fan attributes if fan is not present */
-       if (adev->pm.no_fan &&
-           (attr == &sensor_dev_attr_pwm1.dev_attr.attr ||
-            attr == &sensor_dev_attr_pwm1_enable.dev_attr.attr ||
-            attr == &sensor_dev_attr_pwm1_max.dev_attr.attr ||
-            attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
-               return 0;
-
        /* mask fan attributes if we have no bindings for this asic to expose */
        if ((!adev->powerplay.pp_funcs->get_fan_speed_percent &&
             attr == &sensor_dev_attr_pwm1.dev_attr.attr) || /* can't query fan */
@@ -1288,8 +1290,10 @@ static umode_t hwmon_attributes_visible(struct kobject *kobj,
             attr == &sensor_dev_attr_pwm1_min.dev_attr.attr))
                return 0;
 
-       /* requires powerplay */
-       if (attr == &sensor_dev_attr_fan1_input.dev_attr.attr)
+       /* only APUs have vddnb */
+       if (!(adev->flags & AMD_IS_APU) &&
+           (attr == &sensor_dev_attr_in1_input.dev_attr.attr ||
+            attr == &sensor_dev_attr_in1_label.dev_attr.attr))
                return 0;
 
        return effective_mode;