From: Huang Rui <ray.huang@amd.com>
Date: Tue, 13 Mar 2018 18:39:48 +0800
Subject: drm/amdgpu: it should disable gfxoff when system is going to suspend
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Git-commit: b083369621e84dc0c8ec1ae7191d009f6f1c4d75
Patch-mainline: v4.18-rc1
References: FATE#326289 FATE#326079 FATE#326049 FATE#322398 FATE#326166
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>
Acked-by: Petr Tesarik <ptesarik@suse.com>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++++
1 file changed, 6 insertions(+)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1902,6 +1902,12 @@ int amdgpu_device_ip_suspend(struct amdg
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);