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drm/amd/amdgpu: store fragment_size in vm_manager

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adds fragment_size in the vm_manager structure and
implements hardware setup for it.

Reviewed-by: Christian König <christian.koenig@amd.com>
Signed-off-by: Roger He <Hongbo.He@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Roger He
2017-08-11 20:00:41 +08:00
committed by Alex Deucher
parent 27c7b9aeec
commit e618d306de
9 changed files with 33 additions and 26 deletions
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6
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
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@@ -50,11 +50,6 @@ struct amdgpu_bo_list_entry;
/* PTBs (Page Table Blocks) need to be aligned to 32K */
#define AMDGPU_VM_PTB_ALIGN_SIZE 32768
/* LOG2 number of continuous pages for the fragment field */
#define AMDGPU_LOG2_PAGES_PER_FRAG(adev) \
((adev)->asic_type < CHIP_VEGA10 ? 4 : \
(adev)->vm_manager.block_size)
#define AMDGPU_PTE_VALID (1ULL << 0)
#define AMDGPU_PTE_SYSTEM (1ULL << 1)
#define AMDGPU_PTE_SNOOPED (1ULL << 2)
@@ -200,6 +195,7 @@ struct amdgpu_vm_manager {
uint32_t num_level;
uint64_t vm_size;
uint32_t block_size;
uint32_t fragment_size;
/* vram base address for page table entry */
u64 vram_base_offset;
/* vm pte handling */