diff options
| author | Christian König <christian.koenig@amd.com> | 2017-08-23 16:13:33 +0200 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-08-29 15:28:02 -0400 |
| commit | 3d7d4d3a1b9f67c0caecf2b2aa8d7c347f074a33 (patch) | |
| tree | 30c048a81343f29c2118246da7a2e556761d49d6 /drivers | |
| parent | 08cab989f77582cb19df12d4a75a91b68b0017f6 (diff) | |
drm/amdgpu: rework moved handling in the VM v2
Instead of using the vm_state use a separate flag to note
that the BO was moved.
v2: reorder patches to avoid temporary lockless access
Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 13 | ||||
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 3 |
2 files changed, 13 insertions, 3 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c index 67c37b22f8ef..1b36c62997b3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1788,10 +1788,16 @@ int amdgpu_vm_bo_update(struct amdgpu_device *adev, else flags = 0x0; - spin_lock(&vm->status_lock); - if (!list_empty(&bo_va->base.vm_status)) + if (!clear && bo_va->base.moved) { + bo_va->base.moved = false; list_splice_init(&bo_va->valids, &bo_va->invalids); - spin_unlock(&vm->status_lock); + + } else { + spin_lock(&vm->status_lock); + if (!list_empty(&bo_va->base.vm_status)) + list_splice_init(&bo_va->valids, &bo_va->invalids); + spin_unlock(&vm->status_lock); + } list_for_each_entry(mapping, &bo_va->invalids, list) { r = amdgpu_vm_bo_split_mapping(adev, exclusive, pages_addr, vm, @@ -2419,6 +2425,7 @@ void amdgpu_vm_bo_invalidate(struct amdgpu_device *adev, struct amdgpu_vm_bo_base *bo_base; list_for_each_entry(bo_base, &bo->va, bo_list) { + bo_base->moved = true; spin_lock(&bo_base->vm->status_lock); if (list_empty(&bo_base->vm_status)) list_add(&bo_base->vm_status, diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 9347d28c3c1e..1b478e62a948 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -105,6 +105,9 @@ struct amdgpu_vm_bo_base { /* protected by spinlock */ struct list_head vm_status; + + /* protected by the BO being reserved */ + bool moved; }; struct amdgpu_vm_pt { |