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 at amd.com> --- drivers/gpu/drm/amd/amdgpu/amdgpu_device.c | 12 ++++++------ 1 file 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 c23339d..6bb0e47 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; } -- 2.7.4