drm/amd/powerplay: implement sysfs of pp_cur_state function
add function of smu_get_currente_state for sw-smu.
v2: fix code typo error if (ret);
Signed-off-by: Kevin Wang <[email protected]>
Reviewed-by: Huang Rui <[email protected]>
Acked-by: Alex Deucher <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
index 5eda007..569f7be 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_pm.c
@@ -377,23 +377,29 @@ static ssize_t amdgpu_get_pp_cur_state(struct device *dev,
struct drm_device *ddev = dev_get_drvdata(dev);
struct amdgpu_device *adev = ddev->dev_private;
struct pp_states_info data;
+ struct smu_context *smu = &adev->smu;
enum amd_pm_state_type pm = 0;
- int i = 0;
+ int i = 0, ret = 0;
- if (adev->powerplay.pp_funcs->get_current_power_state
+ if (is_support_sw_smu(adev)) {
+ pm = smu_get_current_power_state(smu);
+ ret = smu_get_power_num_states(smu, &data);
+ if (ret)
+ return ret;
+ } else if (adev->powerplay.pp_funcs->get_current_power_state
&& adev->powerplay.pp_funcs->get_pp_num_states) {
pm = amdgpu_dpm_get_current_power_state(adev);
amdgpu_dpm_get_pp_num_states(adev, &data);
-
- for (i = 0; i < data.nums; i++) {
- if (pm == data.states[i])
- break;
- }
-
- if (i == data.nums)
- i = -EINVAL;
}
+ for (i = 0; i < data.nums; i++) {
+ if (pm == data.states[i])
+ break;
+ }
+
+ if (i == data.nums)
+ i = -EINVAL;
+
return snprintf(buf, PAGE_SIZE, "%d\n", i);
}
