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drm/amdgpu: it should disable gfxoff when system is going to suspend

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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>
This commit is contained in:
Huang Rui 2018-03-13 18:39:48 +08:00 committed by Alex Deucher
parent 9667849bbb
commit b083369621
1 changed files with 6 additions and 0 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
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@ -1902,6 +1902,12 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
if (amdgpu_sriov_vf(adev))
amdgpu_virt_request_full_gpu(adev, false);
/* ungate SMC block powergating */
if (adev->powerplay.pp_feature & PP_GFXOFF_MASK)
amdgpu_device_ip_set_powergating_state(adev,
AMD_IP_BLOCK_TYPE_SMC,
AMD_CG_STATE_UNGATE);
/* ungate SMC block first */
r = amdgpu_device_ip_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC,
AMD_CG_STATE_UNGATE);