drm/amdgpu: Add DPM function for XGMI link power down control
Reviewed-by: Hawking Zhang <[email protected]>
Signed-off-by: John Clements <[email protected]>
Signed-off-by: Alex Deucher <[email protected]>
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
index 0e8018c..d2a105e 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
@@ -1188,3 +1188,13 @@ int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
return ret;
}
+
+int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en)
+{
+ struct smu_context *smu = &adev->smu;
+
+ if (is_support_sw_smu(adev))
+ return smu_allow_xgmi_power_down(smu, en);
+
+ return 0;
+}
\ No newline at end of file
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
index 936d85a..956f6c7 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
@@ -538,4 +538,6 @@ int amdgpu_dpm_baco_enter(struct amdgpu_device *adev);
int amdgpu_dpm_set_df_cstate(struct amdgpu_device *adev,
uint32_t cstate);
+int amdgpu_dpm_allow_xgmi_power_down(struct amdgpu_device *adev, bool en);
+
#endif
