drm/amdgpu: use embedded gem object

Drop drm_gem_object from amdgpu_bo, use the
ttm_buffer_object.base instead.

Build tested only.
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-6-kraxel@redhat.com

drivers/gpu/drm/amd/amdgpu/amdgpu_dma_buf.c

@@ -393,7 +393,7 @@ amdgpu_gem_prime_import_sg_table(struct drm_device *dev,
 		bo->prime_shared_count = 1;
 
 	reservation_object_unlock(resv);
-	return &bo->gem_base;
+	return &bo->tbo.base;
 
 error:
 	reservation_object_unlock(resv);

drivers/gpu/drm/amd/amdgpu/amdgpu_gem.c

@@ -85,7 +85,7 @@ int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
 		}
 		return r;
 	}
-	*obj = &bo->gem_base;
+	*obj = &bo->tbo.base;
 
 	return 0;
 }
@@ -689,7 +689,7 @@ int amdgpu_gem_op_ioctl(struct drm_device *dev, void *data,
 		struct drm_amdgpu_gem_create_in info;
 		void __user *out = u64_to_user_ptr(args->value);
 
-		info.bo_size = robj->gem_base.size;
+		info.bo_size = robj->tbo.base.size;
 		info.alignment = robj->tbo.mem.page_alignment << PAGE_SHIFT;
 		info.domains = robj->preferred_domains;
 		info.domain_flags = robj->flags;
@@ -819,8 +819,8 @@ static int amdgpu_debugfs_gem_bo_info(int id, void *ptr, void *data)
 	if (pin_count)
 		seq_printf(m, " pin count %d", pin_count);
 
-	dma_buf = READ_ONCE(bo->gem_base.dma_buf);
-	attachment = READ_ONCE(bo->gem_base.import_attach);
+	dma_buf = READ_ONCE(bo->tbo.base.dma_buf);
+	attachment = READ_ONCE(bo->tbo.base.import_attach);
 
 	if (attachment)
 		seq_printf(m, " imported from %p", dma_buf);

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

@@ -31,7 +31,7 @@
  */
 
 #define AMDGPU_GEM_DOMAIN_MAX		0x3
-#define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, gem_base)
+#define gem_to_amdgpu_bo(gobj) container_of((gobj), struct amdgpu_bo, tbo.base)
 
 void amdgpu_gem_object_free(struct drm_gem_object *obj);
 int amdgpu_gem_object_open(struct drm_gem_object *obj,

drivers/gpu/drm/amd/amdgpu/amdgpu_object.c

@@ -85,9 +85,9 @@ static void amdgpu_bo_destroy(struct ttm_buffer_object *tbo)
 
 	amdgpu_bo_kunmap(bo);
 
-	if (bo->gem_base.import_attach)
-		drm_prime_gem_destroy(&bo->gem_base, bo->tbo.sg);
-	drm_gem_object_release(&bo->gem_base);
+	if (bo->tbo.base.import_attach)
+		drm_prime_gem_destroy(&bo->tbo.base, bo->tbo.sg);
+	drm_gem_object_release(&bo->tbo.base);
 	/* in case amdgpu_device_recover_vram got NULL of bo->parent */
 	if (!list_empty(&bo->shadow_list)) {
 		mutex_lock(&adev->shadow_list_lock);
@@ -454,7 +454,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	bo = kzalloc(sizeof(struct amdgpu_bo), GFP_KERNEL);
 	if (bo == NULL)
 		return -ENOMEM;
-	drm_gem_private_object_init(adev->ddev, &bo->gem_base, size);
+	drm_gem_private_object_init(adev->ddev, &bo->tbo.base, size);
 	INIT_LIST_HEAD(&bo->shadow_list);
 	bo->vm_bo = NULL;
 	bo->preferred_domains = bp->preferred_domain ? bp->preferred_domain :
@@ -509,7 +509,7 @@ static int amdgpu_bo_do_create(struct amdgpu_device *adev,
 	if (unlikely(r != 0))
 		return r;
 
-	bo->gem_base.resv = bo->tbo.resv;
+	bo->tbo.base.resv = bo->tbo.resv;
 
 	if (!amdgpu_gmc_vram_full_visible(&adev->gmc) &&
 	    bo->tbo.mem.mem_type == TTM_PL_VRAM &&

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

@@ -94,7 +94,6 @@ struct amdgpu_bo {
 	/* per VM structure for page tables and with virtual addresses */
 	struct amdgpu_vm_bo_base	*vm_bo;
 	/* Constant after initialization */
-	struct drm_gem_object		gem_base;
 	struct amdgpu_bo		*parent;
 	struct amdgpu_bo		*shadow;
 

drivers/gpu/drm/amd/amdgpu/amdgpu_ttm.c

@@ -227,7 +227,7 @@ static int amdgpu_verify_access(struct ttm_buffer_object *bo, struct file *filp)
 
 	if (amdgpu_ttm_tt_get_usermm(bo->ttm))
 		return -EPERM;
-	return drm_vma_node_verify_access(&abo->gem_base.vma_node,
+	return drm_vma_node_verify_access(&abo->tbo.base.vma_node,
 					  filp->private_data);
 }