From e941ea997d3388dd6d6a8712453c13caacc7a966 Mon Sep 17 00:00:00 2001 From: Xiangliang Yu Date: Wed, 18 Jan 2017 12:47:55 +0800 Subject: [PATCH] drm/amdgpu: fix reboot failure issue for virtualization MIME-Version: 1.0 Content-Type: text/plain; charset=utf8 Content-Transfer-Encoding: 8bit Reboot process will call HW fini functions of IP blocks. For virt, need to send event three before hw fini and send event four after hw fini. Signed-off-by: Xiangliang Yu Reviewed-by: Monk Liu Reviewed-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 b408a546..786c3c3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_device.c @@ -1565,6 +1565,9 @@ int amdgpu_suspend(struct amdgpu_device *adev) { int i, r; + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_request_full_gpu(adev, false); + /* ungate SMC block first */ r = amdgpu_set_clockgating_state(adev, AMD_IP_BLOCK_TYPE_SMC, AMD_CG_STATE_UNGATE); @@ -1593,6 +1596,9 @@ int amdgpu_suspend(struct amdgpu_device *adev) } } + if (amdgpu_sriov_vf(adev)) + amdgpu_virt_release_full_gpu(adev, false); + return 0; } -- 2.7.4