diff options
| author | Felix Kuehling <Felix.Kuehling@amd.com> | 2023-02-24 18:22:32 -0500 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2023-11-17 09:29:53 -0500 |
| commit | 94e2dae0a8bfd456abfd866f1eee8342f0858012 (patch) | |
| tree | d6a37d7311a1f32fcdecc4bb179f6124bec61f5d /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | |
| parent | e6ed364efae39455cb1d6b1895a1d31599608a2b (diff) | |
drm/amdkfd: Move TLB flushing logic into amdgpu
This will make it possible for amdgpu GEM ioctls to flush TLBs on compute
VMs.
This removes VMID-based TLB flushing and always uses PASID-based
flushing. This still works because it scans the VMID-PASID mapping
registers to find the right VMID. It's only slightly less efficient. This
is not a production use case.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
Diffstat (limited to 'drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h')
| -rw-r--r-- | drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index 2cd86d2bf73f..b6cd565562ad 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -324,6 +324,7 @@ struct amdgpu_vm { /* Last finished delayed update */ atomic64_t tlb_seq; struct dma_fence *last_tlb_flush; + atomic64_t kfd_last_flushed_seq; /* How many times we had to re-generate the page tables */ uint64_t generation; @@ -445,6 +446,10 @@ int amdgpu_vm_clear_freed(struct amdgpu_device *adev, int amdgpu_vm_handle_moved(struct amdgpu_device *adev, struct amdgpu_vm *vm, struct ww_acquire_ctx *ticket); +int amdgpu_vm_flush_compute_tlb(struct amdgpu_device *adev, + struct amdgpu_vm *vm, + uint32_t flush_type, + uint32_t xcc_mask); void amdgpu_vm_bo_base_init(struct amdgpu_vm_bo_base *base, struct amdgpu_vm *vm, struct amdgpu_bo *bo); int amdgpu_vm_update_range(struct amdgpu_device *adev, struct amdgpu_vm *vm, |