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From a0de14c03d0ed06f696886d011de3a99e5d3103a Mon Sep 17 00:00:00 2001
From: Huang Rui <ray.huang@amd.com>
Date: Tue, 13 Mar 2018 18:39:48 +0800
Subject: [PATCH 4047/4131] drm/amdgpu: it should disable gfxoff when system is
going to suspend
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit
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>
---
drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 6f0f072..f110567 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1903,6 +1903,12 @@ 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);
--
2.7.4
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