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drm/amdgpu: allocate VM PDs/PTs on demand

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Let's start to allocate VM PDs/PTs on demand instead of pre-allocating
them during mapping.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Huang Rui <ray.huang@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
This commit is contained in:
Christian König
2019-01-30 16:07:29 +01:00
committed by Alex Deucher
parent 780637cbdf
commit 0ce15d6f7d
5 changed files with 39 additions and 129 deletions
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9
drivers/gpu/drm/amd/amdgpu/amdgpu_csa.c
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@@ -92,15 +92,6 @@ int amdgpu_map_static_csa(struct amdgpu_device *adev, struct amdgpu_vm *vm,
return -ENOMEM;
}
r = amdgpu_vm_alloc_pts(adev, (*bo_va)->base.vm, csa_addr,
size);
if (r) {
DRM_ERROR("failed to allocate pts for static CSA, err=%d\n", r);
amdgpu_vm_bo_rmv(adev, *bo_va);
ttm_eu_backoff_reservation(&ticket, &list);
return r;
}
r = amdgpu_vm_bo_map(adev, *bo_va, csa_addr, 0, size,
AMDGPU_PTE_READABLE | AMDGPU_PTE_WRITEABLE |
AMDGPU_PTE_EXECUTABLE);