From: Christian König <[email protected]> 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 <[email protected]> --- drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c | 13 ++++++++++--- 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 f621dba..ee53293 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c @@ -1787,10 +1787,16 @@ 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, @@ -2418,6 +2424,7 @@ 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 9347d28..1b478e6 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 { -- 2.7.4 _______________________________________________ amd-gfx mailing list [email protected] https://lists.freedesktop.org/mailman/listinfo/amd-gfx
