From b083369621e84dc0c8ec1ae7191d009f6f1c4d75 Mon Sep 17 00:00:00 2001 From: Huang Rui Date: Tue, 13 Mar 2018 18:39:48 +0800 Subject: 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 Reviewed-by: Hawking Zhang Reviewed-by: Alex Deucher Acked-by: Christian König Signed-off-by: Alex Deucher --- 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 e8b57cf48555..9e917f53f357 100644 --- 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 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); -- cgit v1.2.3