drm/amdgpu: generalize page table level

No functional change, but the base for multi level page tables.

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 5 insertions, 5 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
index e56df942af8e..6c8380d89148 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_vm.h
@@ -79,6 +79,10 @@ struct amdgpu_bo_list_entry;
 struct amdgpu_vm_pt {
         struct amdgpu_bo        *bo;
         uint64_t                addr;
+
+        /* array of page tables, one for each directory entry */
+        struct amdgpu_vm_pt     *entries;
+        unsigned                last_entry_used;
 };
 
 struct amdgpu_vm {
@@ -98,14 +102,10 @@ struct amdgpu_vm {
         struct list_head        freed;
 
         /* contains the page directory */
-        struct amdgpu_bo        *page_directory;
-        unsigned                max_pde_used;
+        struct amdgpu_vm_pt     root;
         struct dma_fence        *last_dir_update;
         uint64_t                last_eviction_counter;
 
-        /* array of page tables, one for each page directory entry */
-        struct amdgpu_vm_pt     *page_tables;
-
         /* for id and flush management per ring */
         struct amdgpu_vm_id     *ids[AMDGPU_MAX_RINGS];