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drm/amdgpu: it should disable gfxoff when system is going to suspend
Signed-off-by: Huang Rui <ray.huang@amd.com> Reviewed-by: Hawking Zhang <Hawking.Zhang@amd.com> Reviewed-by: Alex Deucher <alexander.deucher@amd.com> Acked-by: Christian König <christian.koenig@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
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@ -1902,6 +1902,12 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
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if (amdgpu_sriov_vf(adev))
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amdgpu_virt_request_full_gpu(adev, false);
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/* ungate SMC block powergating */
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if (adev->powerplay.pp_feature & PP_GFXOFF_MASK)
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amdgpu_device_ip_set_powergating_state(adev,
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AMD_IP_BLOCK_TYPE_SMC,
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AMD_CG_STATE_UNGATE);
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/* ungate SMC block first */
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r = amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC,
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AMD_CG_STATE_UNGATE);
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