drm/ttm: switch ttm core from bo->resv to bo->base.resv

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: http://patchwork.freedesktop.org/patch/msgid/20190805140119.7337-11-kraxel@redhat.com

drivers/gpu/drm/ttm/ttm_bo_util.c

@@ -517,9 +517,9 @@ static int ttm_buffer_object_transfer(struct ttm_buffer_object *bo,
 	kref_init(&fbo->base.kref);
 	fbo->base.destroy = &ttm_transfered_destroy;
 	fbo->base.acc_size = 0;
-	fbo->base.resv = &fbo->base.base._resv;
-	reservation_object_init(fbo->base.resv);
-	ret = reservation_object_trylock(fbo->base.resv);
+	fbo->base.base.resv = &fbo->base.base._resv;
+	reservation_object_init(fbo->base.base.resv);
+	ret = reservation_object_trylock(fbo->base.base.resv);
 	WARN_ON(!ret);
 
 	*new_obj = &fbo->base;
@@ -689,7 +689,7 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
 	int ret;
 	struct ttm_buffer_object *ghost_obj;
 
-	reservation_object_add_excl_fence(bo->resv, fence);
+	reservation_object_add_excl_fence(bo->base.resv, fence);
 	if (evict) {
 		ret = ttm_bo_wait(bo, false, false);
 		if (ret)
@@ -716,7 +716,7 @@ int ttm_bo_move_accel_cleanup(struct ttm_buffer_object *bo,
 		if (ret)
 			return ret;
 
-		reservation_object_add_excl_fence(ghost_obj->resv, fence);
+		reservation_object_add_excl_fence(ghost_obj->base.resv, fence);
 
 		/**
 		 * If we're not moving to fixed memory, the TTM object
@@ -752,7 +752,7 @@ int ttm_bo_pipeline_move(struct ttm_buffer_object *bo,
 
 	int ret;
 
-	reservation_object_add_excl_fence(bo->resv, fence);
+	reservation_object_add_excl_fence(bo->base.resv, fence);
 
 	if (!evict) {
 		struct ttm_buffer_object *ghost_obj;
@@ -772,7 +772,7 @@ int ttm_bo_pipeline_move(struct ttm_buffer_object *bo,
 		if (ret)
 			return ret;
 
-		reservation_object_add_excl_fence(ghost_obj->resv, fence);
+		reservation_object_add_excl_fence(ghost_obj->base.resv, fence);
 
 		/**
 		 * If we're not moving to fixed memory, the TTM object
@@ -841,7 +841,7 @@ int ttm_bo_pipeline_gutting(struct ttm_buffer_object *bo)
 	if (ret)
 		return ret;
 
-	ret = reservation_object_copy_fences(ghost->resv, bo->resv);
+	ret = reservation_object_copy_fences(ghost->base.resv, bo->base.resv);
 	/* Last resort, wait for the BO to be idle when we are OOM */
 	if (ret)
 		ttm_bo_wait(bo, false, false);

drivers/gpu/drm/ttm/ttm_bo_vm.c

@@ -71,7 +71,7 @@ static vm_fault_t ttm_bo_vm_fault_idle(struct ttm_buffer_object *bo,
 		ttm_bo_get(bo);
 		up_read(&vmf->vma->vm_mm->mmap_sem);
 		(void) dma_fence_wait(bo->moving, true);
-		reservation_object_unlock(bo->resv);
+		reservation_object_unlock(bo->base.resv);
 		ttm_bo_put(bo);
 		goto out_unlock;
 	}
@@ -131,7 +131,7 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
 	 * for reserve, and if it fails, retry the fault after waiting
 	 * for the buffer to become unreserved.
 	 */
-	if (unlikely(!reservation_object_trylock(bo->resv))) {
+	if (unlikely(!reservation_object_trylock(bo->base.resv))) {
 		if (vmf->flags & FAULT_FLAG_ALLOW_RETRY) {
 			if (!(vmf->flags & FAULT_FLAG_RETRY_NOWAIT)) {
 				ttm_bo_get(bo);
@@ -296,7 +296,7 @@ static vm_fault_t ttm_bo_vm_fault(struct vm_fault *vmf)
 out_io_unlock:
 	ttm_mem_io_unlock(man);
 out_unlock:
-	reservation_object_unlock(bo->resv);
+	reservation_object_unlock(bo->base.resv);
 	return ret;
 }
 

drivers/gpu/drm/ttm/ttm_execbuf_util.c

@@ -39,7 +39,7 @@ static void ttm_eu_backoff_reservation_reverse(struct list_head *list,
 	list_for_each_entry_continue_reverse(entry, list, head) {
 		struct ttm_buffer_object *bo = entry->bo;
 
-		reservation_object_unlock(bo->resv);
+		reservation_object_unlock(bo->base.resv);
 	}
 }
 
@@ -71,7 +71,7 @@ void ttm_eu_backoff_reservation(struct ww_acquire_ctx *ticket,
 
 		if (list_empty(&bo->lru))
 			ttm_bo_add_to_lru(bo);
-		reservation_object_unlock(bo->resv);
+		reservation_object_unlock(bo->base.resv);
 	}
 	spin_unlock(&glob->lru_lock);
 
@@ -114,7 +114,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 
 		ret = __ttm_bo_reserve(bo, intr, (ticket == NULL), ticket);
 		if (!ret && unlikely(atomic_read(&bo->cpu_writers) > 0)) {
-			reservation_object_unlock(bo->resv);
+			reservation_object_unlock(bo->base.resv);
 
 			ret = -EBUSY;
 
@@ -130,7 +130,7 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 			if (!entry->num_shared)
 				continue;
 
-			ret = reservation_object_reserve_shared(bo->resv,
+			ret = reservation_object_reserve_shared(bo->base.resv,
 								entry->num_shared);
 			if (!ret)
 				continue;
@@ -144,16 +144,16 @@ int ttm_eu_reserve_buffers(struct ww_acquire_ctx *ticket,
 
 		if (ret == -EDEADLK) {
 			if (intr) {
-				ret = reservation_object_lock_slow_interruptible(bo->resv,
+				ret = reservation_object_lock_slow_interruptible(bo->base.resv,
 										 ticket);
 			} else {
-				reservation_object_lock_slow(bo->resv, ticket);
+				reservation_object_lock_slow(bo->base.resv, ticket);
 				ret = 0;
 			}
 		}
 
 		if (!ret && entry->num_shared)
-			ret = reservation_object_reserve_shared(bo->resv,
+			ret = reservation_object_reserve_shared(bo->base.resv,
 								entry->num_shared);
 
 		if (unlikely(ret != 0)) {
@@ -201,14 +201,14 @@ void ttm_eu_fence_buffer_objects(struct ww_acquire_ctx *ticket,
 	list_for_each_entry(entry, list, head) {
 		bo = entry->bo;
 		if (entry->num_shared)
-			reservation_object_add_shared_fence(bo->resv, fence);
+			reservation_object_add_shared_fence(bo->base.resv, fence);
 		else
-			reservation_object_add_excl_fence(bo->resv, fence);
+			reservation_object_add_excl_fence(bo->base.resv, fence);
 		if (list_empty(&bo->lru))
 			ttm_bo_add_to_lru(bo);
 		else
 			ttm_bo_move_to_lru_tail(bo, NULL);
-		reservation_object_unlock(bo->resv);
+		reservation_object_unlock(bo->base.resv);
 	}
 	spin_unlock(&glob->lru_lock);
 	if (ticket)

drivers/gpu/drm/ttm/ttm_tt.c

@@ -48,7 +48,7 @@ int ttm_tt_create(struct ttm_buffer_object *bo, bool zero_alloc)
 	struct ttm_bo_device *bdev = bo->bdev;
 	uint32_t page_flags = 0;
 
-	reservation_object_assert_held(bo->resv);
+	reservation_object_assert_held(bo->base.resv);
 
 	if (bdev->need_dma32)
 		page_flags |= TTM_PAGE_FLAG_DMA32;

include/drm/ttm/ttm_bo_driver.h

@@ -654,14 +654,14 @@ static inline int __ttm_bo_reserve(struct ttm_buffer_object *bo,
 		if (WARN_ON(ticket))
 			return -EBUSY;
 
-		success = reservation_object_trylock(bo->resv);
+		success = reservation_object_trylock(bo->base.resv);
 		return success ? 0 : -EBUSY;
 	}
 
 	if (interruptible)
-		ret = reservation_object_lock_interruptible(bo->resv, ticket);
+		ret = reservation_object_lock_interruptible(bo->base.resv, ticket);
 	else
-		ret = reservation_object_lock(bo->resv, ticket);
+		ret = reservation_object_lock(bo->base.resv, ticket);
 	if (ret == -EINTR)
 		return -ERESTARTSYS;
 	return ret;
@@ -745,10 +745,10 @@ static inline int ttm_bo_reserve_slowpath(struct ttm_buffer_object *bo,
 	WARN_ON(!kref_read(&bo->kref));
 
 	if (interruptible)
-		ret = reservation_object_lock_slow_interruptible(bo->resv,
+		ret = reservation_object_lock_slow_interruptible(bo->base.resv,
 								 ticket);
 	else
-		reservation_object_lock_slow(bo->resv, ticket);
+		reservation_object_lock_slow(bo->base.resv, ticket);
 
 	if (likely(ret == 0))
 		ttm_bo_del_sub_from_lru(bo);
@@ -773,7 +773,7 @@ static inline void ttm_bo_unreserve(struct ttm_buffer_object *bo)
 	else
 		ttm_bo_move_to_lru_tail(bo, NULL);
 	spin_unlock(&bo->bdev->glob->lru_lock);
-	reservation_object_unlock(bo->resv);
+	reservation_object_unlock(bo->base.resv);
 }
 
 /*