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drm/amdgpu: Add DPM function for XGMI link power down control

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Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com>
Signed-off-by: John Clements <john.clements@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
John Clements 2020-05-13 17:45:57 +08:00 committed by Alex Deucher
parent ab9c21124d
commit 5e7067b24f
2 changed files with 12 additions and 0 deletions
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10
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.c
View File

@ -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;
}

2
drivers/gpu/drm/amd/amdgpu/amdgpu_dpm.h
View File

@ -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