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drm/amdgpu: cache the complete pde

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Makes it easier to update the PDE with huge pages.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Junwei Zhang <Jerry.Zhang@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König 2017-05-15 15:19:10 +02:00 committed by Alex Deucher
parent bb37b67d57
commit 53e2e91dda
1 changed files with 5 additions and 11 deletions
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16
drivers/gpu/drm/amd/amdgpu/amdgpu_vm.c
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@ -985,6 +985,7 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
}
pt = amdgpu_bo_gpu_offset(bo);
pt = amdgpu_gart_get_vm_pde(adev, pt);
if (parent->entries[pt_idx].addr == pt)
continue;
@ -996,18 +997,15 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
(count == AMDGPU_VM_MAX_UPDATE_SIZE)) {
if (count) {
uint64_t entry;
entry = amdgpu_gart_get_vm_pde(adev, last_pt);
if (shadow)
amdgpu_vm_do_set_ptes(&params,
last_shadow,
entry, count,
last_pt, count,
incr,
AMDGPU_PTE_VALID);
amdgpu_vm_do_set_ptes(&params, last_pde,
entry, count, incr,
last_pt, count, incr,
AMDGPU_PTE_VALID);
}
@ -1021,15 +1019,11 @@ static int amdgpu_vm_update_level(struct amdgpu_device *adev,
}
if (count) {
uint64_t entry;
entry = amdgpu_gart_get_vm_pde(adev, last_pt);
if (vm->root.bo->shadow)
amdgpu_vm_do_set_ptes(&params, last_shadow, entry,
amdgpu_vm_do_set_ptes(&params, last_shadow, last_pt,
count, incr, AMDGPU_PTE_VALID);
amdgpu_vm_do_set_ptes(&params, last_pde, entry,
amdgpu_vm_do_set_ptes(&params, last_pde, last_pt,
count, incr, AMDGPU_PTE_VALID);
}