drm/amdgpu: Rename kfd_bo_va_list to kfd_mem_attachment

This name is more fitting, especially for the changes coming next to
support multi-GPU systems with proper DMA mappings. Cleaned up the code
and renamed some related functions and variables to improve readability.
Signed-off-by: Felix Kuehling <Felix.Kuehling@amd.com>
Acked-by: Oak Zeng <Oak.Zeng@amd.com>
Acked-by: Ramesh Errabolu <Ramesh.Errabolu@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

drivers/gpu/drm/amd/amdgpu/amdgpu_amdkfd.h

@@ -44,10 +44,10 @@ enum TLB_FLUSH_TYPE {
 
 struct amdgpu_device;
 
-struct kfd_bo_va_list {
-	struct list_head bo_list;
+struct kfd_mem_attachment {
+	struct list_head list;
 	struct amdgpu_bo_va *bo_va;
-	void *kgd_dev;
+	struct amdgpu_device *adev;
 	bool is_mapped;
 	uint64_t va;
 	uint64_t pte_flags;
@@ -56,7 +56,7 @@ struct kfd_bo_va_list {
 struct kgd_mem {
 	struct mutex lock;
 	struct amdgpu_bo *bo;
-	struct list_head bo_va_list;
+	struct list_head attachments;
 	/* protected by amdkfd_process_info.lock */
 	struct ttm_validate_buffer validate_list;
 	struct ttm_validate_buffer resv_list;