drm/amdgpu: remove amdgpu_bo_list_entry.robj (v2)

We can get that just by casting tv.bo.

v2: squash in kfd fix (Alex)

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Chunming Zhou <david1.zhou@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

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

@@ -675,7 +675,6 @@ static int reserve_bo_and_vm(struct kgd_mem *mem,
 	if (!ctx->vm_pd)
 		return -ENOMEM;
 
-	ctx->kfd_bo.robj = bo;
 	ctx->kfd_bo.priority = 0;
 	ctx->kfd_bo.tv.bo = &bo->tbo;
 	ctx->kfd_bo.tv.shared = true;
@@ -740,7 +739,6 @@ static int reserve_bo_and_cond_vms(struct kgd_mem *mem,
 			return -ENOMEM;
 	}
 
-	ctx->kfd_bo.robj = bo;
 	ctx->kfd_bo.priority = 0;
 	ctx->kfd_bo.tv.bo = &bo->tbo;
 	ctx->kfd_bo.tv.shared = true;

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

@@ -49,8 +49,11 @@ static void amdgpu_bo_list_free(struct kref *ref)
 						   refcount);
 	struct amdgpu_bo_list_entry *e;
 
-	amdgpu_bo_list_for_each_entry(e, list)
-		amdgpu_bo_unref(&e->robj);
+	amdgpu_bo_list_for_each_entry(e, list) {
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
+
+		amdgpu_bo_unref(&bo);
+	}
 
 	call_rcu(&list->rhead, amdgpu_bo_list_free_rcu);
 }
@@ -112,21 +115,20 @@ int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp,
 			entry = &array[last_entry++];
 		}
 
-		entry->robj = bo;
 		entry->priority = min(info[i].bo_priority,
 				      AMDGPU_BO_LIST_MAX_PRIORITY);
-		entry->tv.bo = &entry->robj->tbo;
-		entry->tv.shared = !entry->robj->prime_shared_count;
-
-		if (entry->robj->preferred_domains == AMDGPU_GEM_DOMAIN_GDS)
-			list->gds_obj = entry->robj;
-		if (entry->robj->preferred_domains == AMDGPU_GEM_DOMAIN_GWS)
-			list->gws_obj = entry->robj;
-		if (entry->robj->preferred_domains == AMDGPU_GEM_DOMAIN_OA)
-			list->oa_obj = entry->robj;
-
-		total_size += amdgpu_bo_size(entry->robj);
-		trace_amdgpu_bo_list_set(list, entry->robj);
+		entry->tv.bo = &bo->tbo;
+		entry->tv.shared = !bo->prime_shared_count;
+
+		if (bo->preferred_domains == AMDGPU_GEM_DOMAIN_GDS)
+			list->gds_obj = bo;
+		if (bo->preferred_domains == AMDGPU_GEM_DOMAIN_GWS)
+			list->gws_obj = bo;
+		if (bo->preferred_domains == AMDGPU_GEM_DOMAIN_OA)
+			list->oa_obj = bo;
+
+		total_size += amdgpu_bo_size(bo);
+		trace_amdgpu_bo_list_set(list, bo);
 	}
 
 	list->first_userptr = first_userptr;
@@ -138,8 +140,11 @@ int amdgpu_bo_list_create(struct amdgpu_device *adev, struct drm_file *filp,
 	return 0;
 
 error_free:
-	while (i--)
-		amdgpu_bo_unref(&array[i].robj);
+	while (i--) {
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(array[i].tv.bo);
+
+		amdgpu_bo_unref(&bo);
+	}
 	kvfree(list);
 	return r;
 
@@ -191,9 +196,10 @@ void amdgpu_bo_list_get_list(struct amdgpu_bo_list *list,
 	 * with the same priority, i.e. it must be stable.
 	 */
 	amdgpu_bo_list_for_each_entry(e, list) {
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
 		unsigned priority = e->priority;
 
-		if (!e->robj->parent)
+		if (!bo->parent)
 			list_add_tail(&e->tv.head, &bucket[priority]);
 
 		e->user_pages = NULL;

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

@@ -32,7 +32,6 @@ struct amdgpu_bo_va;
 struct amdgpu_fpriv;
 
 struct amdgpu_bo_list_entry {
-	struct amdgpu_bo		*robj;
 	struct ttm_validate_buffer	tv;
 	struct amdgpu_bo_va		*bo_va;
 	uint32_t			priority;

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

@@ -39,6 +39,7 @@ static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
 				      uint32_t *offset)
 {
 	struct drm_gem_object *gobj;
+	struct amdgpu_bo *bo;
 	unsigned long size;
 	int r;
 
@@ -46,21 +47,21 @@ static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
 	if (gobj == NULL)
 		return -EINVAL;
 
-	p->uf_entry.robj = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
+	bo = amdgpu_bo_ref(gem_to_amdgpu_bo(gobj));
 	p->uf_entry.priority = 0;
-	p->uf_entry.tv.bo = &p->uf_entry.robj->tbo;
+	p->uf_entry.tv.bo = &bo->tbo;
 	p->uf_entry.tv.shared = true;
 	p->uf_entry.user_pages = NULL;
 
 	drm_gem_object_put_unlocked(gobj);
 
-	size = amdgpu_bo_size(p->uf_entry.robj);
+	size = amdgpu_bo_size(bo);
 	if (size != PAGE_SIZE || (data->offset + 8) > size) {
 		r = -EINVAL;
 		goto error_unref;
 	}
 
-	if (amdgpu_ttm_tt_get_usermm(p->uf_entry.robj->tbo.ttm)) {
+	if (amdgpu_ttm_tt_get_usermm(bo->tbo.ttm)) {
 		r = -EINVAL;
 		goto error_unref;
 	}
@@ -70,7 +71,7 @@ static int amdgpu_cs_user_fence_chunk(struct amdgpu_cs_parser *p,
 	return 0;
 
 error_unref:
-	amdgpu_bo_unref(&p->uf_entry.robj);
+	amdgpu_bo_unref(&bo);
 	return r;
 }
 
@@ -229,7 +230,7 @@ static int amdgpu_cs_parser_init(struct amdgpu_cs_parser *p, union drm_amdgpu_cs
 		goto free_all_kdata;
 	}
 
-	if (p->uf_entry.robj)
+	if (p->uf_entry.tv.bo)
 		p->job->uf_addr = uf_offset;
 	kfree(chunk_array);
 
@@ -458,13 +459,13 @@ static bool amdgpu_cs_try_evict(struct amdgpu_cs_parser *p,
 	     p->evictable = list_prev_entry(p->evictable, tv.head)) {
 
 		struct amdgpu_bo_list_entry *candidate = p->evictable;
-		struct amdgpu_bo *bo = candidate->robj;
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(candidate->tv.bo);
 		struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
 		bool update_bytes_moved_vis;
 		uint32_t other;
 
 		/* If we reached our current BO we can forget it */
-		if (candidate->robj == validated)
+		if (bo == validated)
 			break;
 
 		/* We can't move pinned BOs here */
@@ -529,7 +530,7 @@ static int amdgpu_cs_list_validate(struct amdgpu_cs_parser *p,
 	int r;
 
 	list_for_each_entry(lobj, validated, tv.head) {
-		struct amdgpu_bo *bo = lobj->robj;
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(lobj->tv.bo);
 		bool binding_userptr = false;
 		struct mm_struct *usermm;
 
@@ -604,7 +605,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 	INIT_LIST_HEAD(&duplicates);
 	amdgpu_vm_get_pd_bo(&fpriv->vm, &p->validated, &p->vm_pd);
 
-	if (p->uf_entry.robj && !p->uf_entry.robj->parent)
+	if (p->uf_entry.tv.bo && !ttm_to_amdgpu_bo(p->uf_entry.tv.bo)->parent)
 		list_add(&p->uf_entry.tv.head, &p->validated);
 
 	while (1) {
@@ -620,7 +621,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 
 		INIT_LIST_HEAD(&need_pages);
 		amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
-			struct amdgpu_bo *bo = e->robj;
+			struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
 
 			if (amdgpu_ttm_tt_userptr_invalidated(bo->tbo.ttm,
 				 &e->user_invalidated) && e->user_pages) {
@@ -639,7 +640,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 				list_del(&e->tv.head);
 				list_add(&e->tv.head, &need_pages);
 
-				amdgpu_bo_unreserve(e->robj);
+				amdgpu_bo_unreserve(bo);
 			}
 		}
 
@@ -658,7 +659,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 
 		/* Fill the page arrays for all userptrs. */
 		list_for_each_entry(e, &need_pages, tv.head) {
-			struct ttm_tt *ttm = e->robj->tbo.ttm;
+			struct ttm_tt *ttm = e->tv.bo->ttm;
 
 			e->user_pages = kvmalloc_array(ttm->num_pages,
 							 sizeof(struct page*),
@@ -717,7 +718,7 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 	oa = p->bo_list->oa_obj;
 
 	amdgpu_bo_list_for_each_entry(e, p->bo_list)
-		e->bo_va = amdgpu_vm_bo_find(vm, e->robj);
+		e->bo_va = amdgpu_vm_bo_find(vm, ttm_to_amdgpu_bo(e->tv.bo));
 
 	if (gds) {
 		p->job->gds_base = amdgpu_bo_gpu_offset(gds);
@@ -732,8 +733,8 @@ static int amdgpu_cs_parser_bos(struct amdgpu_cs_parser *p,
 		p->job->oa_size = amdgpu_bo_size(oa);
 	}
 
-	if (!r && p->uf_entry.robj) {
-		struct amdgpu_bo *uf = p->uf_entry.robj;
+	if (!r && p->uf_entry.tv.bo) {
+		struct amdgpu_bo *uf = ttm_to_amdgpu_bo(p->uf_entry.tv.bo);
 
 		r = amdgpu_ttm_alloc_gart(&uf->tbo);
 		p->job->uf_addr += amdgpu_bo_gpu_offset(uf);
@@ -749,8 +750,7 @@ error_free_pages:
 		if (!e->user_pages)
 			continue;
 
-		release_pages(e->user_pages,
-			      e->robj->tbo.ttm->num_pages);
+		release_pages(e->user_pages, e->tv.bo->ttm->num_pages);
 		kvfree(e->user_pages);
 	}
 
@@ -763,9 +763,11 @@ static int amdgpu_cs_sync_rings(struct amdgpu_cs_parser *p)
 	int r;
 
 	list_for_each_entry(e, &p->validated, tv.head) {
-		struct reservation_object *resv = e->robj->tbo.resv;
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
+		struct reservation_object *resv = bo->tbo.resv;
+
 		r = amdgpu_sync_resv(p->adev, &p->job->sync, resv, p->filp,
-				     amdgpu_bo_explicit_sync(e->robj));
+				     amdgpu_bo_explicit_sync(bo));
 
 		if (r)
 			return r;
@@ -808,7 +810,11 @@ static void amdgpu_cs_parser_fini(struct amdgpu_cs_parser *parser, int error,
 	kfree(parser->chunks);
 	if (parser->job)
 		amdgpu_job_free(parser->job);
-	amdgpu_bo_unref(&parser->uf_entry.robj);
+	if (parser->uf_entry.tv.bo) {
+		struct amdgpu_bo *uf = ttm_to_amdgpu_bo(parser->uf_entry.tv.bo);
+
+		amdgpu_bo_unref(&uf);
+	}
 }
 
 static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
@@ -919,7 +925,7 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
 		struct dma_fence *f;
 
 		/* ignore duplicates */
-		bo = e->robj;
+		bo = ttm_to_amdgpu_bo(e->tv.bo);
 		if (!bo)
 			continue;
 
@@ -958,11 +964,13 @@ static int amdgpu_cs_vm_handling(struct amdgpu_cs_parser *p)
 	if (amdgpu_vm_debug) {
 		/* Invalidate all BOs to test for userspace bugs */
 		amdgpu_bo_list_for_each_entry(e, p->bo_list) {
+			struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
+
 			/* ignore duplicates */
-			if (!e->robj)
+			if (!bo)
 				continue;
 
-			amdgpu_vm_bo_invalidate(adev, e->robj, false);
+			amdgpu_vm_bo_invalidate(adev, bo, false);
 		}
 	}
 
@@ -1211,7 +1219,7 @@ static int amdgpu_cs_submit(struct amdgpu_cs_parser *p,
 	/* No memory allocation is allowed while holding the mn lock */
 	amdgpu_mn_lock(p->mn);
 	amdgpu_bo_list_for_each_userptr_entry(e, p->bo_list) {
-		struct amdgpu_bo *bo = e->robj;
+		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
 
 		if (amdgpu_ttm_tt_userptr_needs_pages(bo->tbo.ttm)) {
 			r = -ERESTARTSYS;

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

@@ -593,9 +593,8 @@ void amdgpu_vm_get_pd_bo(struct amdgpu_vm *vm,
 			 struct list_head *validated,
 			 struct amdgpu_bo_list_entry *entry)
 {
-	entry->robj = vm->root.base.bo;
 	entry->priority = 0;
-	entry->tv.bo = &entry->robj->tbo;
+	entry->tv.bo = &vm->root.base.bo->tbo;
 	entry->tv.shared = true;
 	entry->user_pages = NULL;
 	list_add(&entry->tv.head, validated);