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authorFelix Kuehling2018-03-15 22:27:43 +0100
committerOded Gabbay2018-03-15 22:27:43 +0100
commitede0dd86f45adf2b7083bb161f6bc81da5fe2bad (patch)
treef7b7fe1a4193a389c4d3ec0a0fab53b9d5ba3d46 /drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
parentdrm/amdgpu: Add helper to turn an existing VM into a compute VM (diff)
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drm/amdgpu: Add kfd2kgd interface to acquire an existing VM
This allows acquiring an existing VM from a render node FD to use it for a compute process. Such VMs get destroyed when the original file descriptor is released. Added a callback from amdgpu_vm_fini to handle KFD VM destruction correctly in this case. v2: * Removed vm->vm_context check in amdgpu_amdkfd_gpuvm_destroy_cb, check vm->process_info earlier instead 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_gfx_v7.c')
-rw-r--r--drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
index 7485c376b90e..ea54e53172b9 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gfx_v7.c
@@ -205,6 +205,7 @@ static const struct kfd2kgd_calls kfd2kgd = {
.get_cu_info = get_cu_info,
.get_vram_usage = amdgpu_amdkfd_get_vram_usage,
.create_process_vm = amdgpu_amdkfd_gpuvm_create_process_vm,
+ .acquire_process_vm = amdgpu_amdkfd_gpuvm_acquire_process_vm,
.destroy_process_vm = amdgpu_amdkfd_gpuvm_destroy_process_vm,
.get_process_page_dir = amdgpu_amdkfd_gpuvm_get_process_page_dir,
.set_vm_context_page_table_base = set_vm_context_page_table_base,