diff options
| author | shaoyunl | 2018-07-12 04:32:49 +0200 |
|---|---|---|
| committer | Oded Gabbay | 2018-07-12 04:32:49 +0200 |
| commit | b97dfa27ef3ad3eddd2cb97a3b6a140d7037827a (patch) | |
| tree | a8df9ac8dfc2d082435a6252792f01760412ebb5 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | |
| parent | drm/amdkfd: send SIGSEGV to process upon KFD_EVENT_TYPE_MEMORY (diff) | |
| download | kernel-qcow2-linux-b97dfa27ef3ad3eddd2cb97a3b6a140d7037827a.tar.gz kernel-qcow2-linux-b97dfa27ef3ad3eddd2cb97a3b6a140d7037827a.tar.xz kernel-qcow2-linux-b97dfa27ef3ad3eddd2cb97a3b6a140d7037827a.zip | |
drm/amdgpu: save vm fault information for amdkfd
amdgpu save the vm fault related information for KFD usage and keep the
copy until KFD read it.
Signed-off-by: shaoyun liu <shaoyun.liu@amd.com>
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Oded Gabbay <oded.gabbay@gmail.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c index fa38a960ce00..8a707d8bbb1c 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c @@ -1621,6 +1621,20 @@ bo_reserve_failed: return ret; } +int amdgpu_amdkfd_gpuvm_get_vm_fault_info(struct kgd_dev *kgd, + struct kfd_vm_fault_info *mem) +{ + struct amdgpu_device *adev; + + adev = (struct amdgpu_device *)kgd; + if (atomic_read(&adev->gmc.vm_fault_info_updated) == 1) { + *mem = *adev->gmc.vm_fault_info; + mb(); + atomic_set(&adev->gmc.vm_fault_info_updated, 0); + } + return 0; +} + /* Evict a userptr BO by stopping the queues if necessary * * Runs in MMU notifier, may be in RECLAIM_FS context. This means it |