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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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4
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@@ -1410,9 +1410,7 @@ static int amdgpu_vm_frag_ptes(struct amdgpu_pte_update_params *params,
* Userspace can support this by aligning virtual base address and
* allocation size to the fragment size.
*/
/* SI and newer are optimized for 64KB */
unsigned pages_per_frag = AMDGPU_LOG2_PAGES_PER_FRAG(params->adev);
unsigned pages_per_frag = params->adev->vm_manager.fragment_size;
uint64_t frag_flags = AMDGPU_PTE_FRAG(pages_per_frag);
uint64_t frag_align = 1 << pages_per_frag;