drm/amdgpu: allocate VM PDs/PTs on demand

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>

1 files changed, 1 insertions, 9 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
index 4e96ad84efaa..314c048fcac6 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd_gpuvm.c
@@ -410,15 +410,7 @@ static int add_bo_to_vm(struct amdgpu_device *adev, struct kgd_mem *mem,
         if (p_bo_va_entry)
                 *p_bo_va_entry = bo_va_entry;
 
-        /* Allocate new page tables if needed and validate
-         * them.
-         */
-        ret = amdgpu_vm_alloc_pts(adev, vm, va, amdgpu_bo_size(bo));
-        if (ret) {
-                pr_err("Failed to allocate pts, err=%d\n", ret);
-                goto err_alloc_pts;
-        }
-
+        /* Allocate validate page tables if needed */
         ret = vm_validate_pt_pd_bos(vm);
         if (ret) {
                 pr_err("validate_pt_pd_bos() failed\n");