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authorYintian Tao <yttao@amd.com>2018-08-22 17:08:13 +0800
committerAlex Deucher <alexander.deucher@amd.com>2018-08-28 11:55:20 -0500
commite78196444b43caed136bf424b09352d8433cdb95 (patch)
tree509f65f3389f206ae4928a54a45435b7db7e2a06 /drivers/gpu/drm/amd
parent0c79c0bb872e393d507fb7a0835b2ec124f8266b (diff)
drm/amdgpu: move full access into amdgpu_device_ip_suspend
It will be more safe to make full-acess include both phase1 and phase2. Then accessing special registeris wherever at phase1 or phase2 will not block any shutdown and suspend process under virtualization. Signed-off-by: Yintian Tao <yttao@amd.com> Acked-by: Alex Deucher <alexander.deucher@amd.com> Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_device.c12
1 files changed, 6 insertions, 6 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
index 8f431740c424..a20c13c6f6f1 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c
@@ -1932,9 +1932,6 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
{
int i, r;
- if (amdgpu_sriov_vf(adev))
- amdgpu_virt_request_full_gpu(adev, false);
-
amdgpu_device_set_pg_state(adev, AMD_PG_STATE_UNGATE);
amdgpu_device_set_cg_state(adev, AMD_CG_STATE_UNGATE);
@@ -1953,9 +1950,6 @@ static int amdgpu_device_ip_suspend_phase1(struct amdgpu_device *adev)
}
}
- if (amdgpu_sriov_vf(adev))
- amdgpu_virt_release_full_gpu(adev, false);
-
return 0;
}
@@ -2007,11 +2001,17 @@ int amdgpu_device_ip_suspend(struct amdgpu_device *adev)
{
int r;
+ if (amdgpu_sriov_vf(adev))
+ amdgpu_virt_request_full_gpu(adev, false);
+
r = amdgpu_device_ip_suspend_phase1(adev);
if (r)
return r;
r = amdgpu_device_ip_suspend_phase2(adev);
+ if (amdgpu_sriov_vf(adev))
+ amdgpu_virt_release_full_gpu(adev, false);
+
return r;
}