drm/amdgpu: add VM generation token

[linux-2.6-microblaze.git] / drivers / gpu / drm / amd / amdgpu / amdgpu_vm.h

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index 14f9a2b..9c85d49 100644 (file)
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -295,6 +295,9 @@ struct amdgpu_vm {
        atomic64_t              tlb_seq;
        struct dma_fence        *last_tlb_flush;
 
+       /* How many times we had to re-generate the page tables */
+       uint64_t                generation;
+
        /* Last unlocked submission to the scheduler entities */
        struct dma_fence        *last_unlocked;
 
@@ -397,6 +400,7 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
                         struct list_head *validated,
                         struct amdgpu_bo_list_entry *entry);
 bool amdgpu_vm_ready(struct amdgpu_vm *vm);
+uint64_t amdgpu_vm_generation(struct amdgpu_device *adev, struct amdgpu_vm *vm);
 int amdgpu_vm_validate_pt_bos(struct amdgpu_device *adev, struct amdgpu_vm *vm,
                              int (*callback)(void *p, struct amdgpu_bo *bo),
                              void *param);