diff options
| author | Chunming Zhou <david1.zhou@amd.com> | 2017-12-13 14:22:54 +0800 |
|---|---|---|
| committer | Alex Deucher <alexander.deucher@amd.com> | 2017-12-14 11:01:30 -0500 |
| commit | 196f74897ba79f6d586894519f09796447d95be5 (patch) | |
| tree | 2816a90fb29240a3da5789c99064a1154e22c666 /drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h | |
| parent | a53d45d8e40a39a5c34ce5257359614d41529048 (diff) | |
| download | linux-196f74897ba79f6d586894519f09796447d95be5.tar.bz2 | |
drm/amdgpu: add enumerate for PDB/PTB v3
v2:
remove SUBPTB member
v3:
remove last_level, use AMDGPU_VM_PTB directly instead.
Signed-off-by: Chunming Zhou <david1.zhou@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 | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h index e52bf980669f..1056484de0e3 100644 --- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h +++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h @@ -120,6 +120,16 @@ struct amdgpu_bo_list_entry; #define AMDGPU_VM_USE_CPU_FOR_GFX (1 << 0) #define AMDGPU_VM_USE_CPU_FOR_COMPUTE (1 << 1) +/* VMPT level enumerate, and the hiberachy is: + * PDB2->PDB1->PDB0->PTB + */ +enum amdgpu_vm_level { + AMDGPU_VM_PDB2, + AMDGPU_VM_PDB1, + AMDGPU_VM_PDB0, + AMDGPU_VM_PTB +}; + /* base structure for tracking BO usage in a VM */ struct amdgpu_vm_bo_base { /* constant after initialization */ @@ -236,6 +246,7 @@ struct amdgpu_vm_manager { uint32_t num_level; uint32_t block_size; uint32_t fragment_size; + enum amdgpu_vm_level root_level; /* vram base address for page table entry */ u64 vram_base_offset; /* vm pte handling */ |