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drm/amdgpu: add enumerate for PDB/PTB v3

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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>
This commit is contained in:
Chunming Zhou
2017-12-13 14:22:54 +08:00
committed by Alex Deucher
parent a53d45d8e4
commit 196f74897b
2 changed files with 61 additions and 19 deletions
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11
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
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@@ -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 */