drm/amd/pm: Add support to fetch pm metrics sample

[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / pm / amdgpu_dpm.c

diff --git a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
index 1ae3b81..4717884 100644 (file)
--- a/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/pm/amdgpu_dpm.c
@@ -1299,6 +1299,23 @@ int amdgpu_dpm_get_gpu_metrics(struct amdgpu_device *adev, void **table)
        return ret;
 }
 
+ssize_t amdgpu_dpm_get_pm_metrics(struct amdgpu_device *adev, void *pm_metrics,
+                                 size_t size)
+{
+       const struct amd_pm_funcs *pp_funcs = adev->powerplay.pp_funcs;
+       int ret = 0;
+
+       if (!pp_funcs->get_pm_metrics)
+               return -EOPNOTSUPP;
+
+       mutex_lock(&adev->pm.mutex);
+       ret = pp_funcs->get_pm_metrics(adev->powerplay.pp_handle, pm_metrics,
+                                      size);
+       mutex_unlock(&adev->pm.mutex);
+
+       return ret;
+}
+
 int amdgpu_dpm_get_fan_control_mode(struct amdgpu_device *adev,
                                    uint32_t *fan_mode)
 {