dma-buf: rename reservation_object to dma_resv

Be more consistent with the naming of the other DMA-buf objects.

Signed-off-by: Christian König <[e-mail]>
Reviewed-by: Chris Wilson <[e-mail]>
Link: https://patchwork.freedesktop.org/patch/323401/

drivers/dma-buf/Makefile

···
 # SPDX-License-Identifier: GPL-2.0-only
 obj-y := dma-buf.o dma-fence.o dma-fence-array.o dma-fence-chain.o \
-	 reservation.o seqno-fence.o
+	 dma-resv.o seqno-fence.o
 obj-$(CONFIG_SYNC_FILE)		+= sync_file.o
 obj-$(CONFIG_SW_SYNC)		+= sw_sync.o sync_debug.o
 obj-$(CONFIG_UDMABUF)		+= udmabuf.o

drivers/dma-buf/dma-buf.c

···
 #include <linux/module.h>
 #include <linux/seq_file.h>
 #include <linux/poll.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/mm.h>
 #include <linux/mount.h>
 #include <linux/pseudo_fs.h>
···
 	list_del(&dmabuf->list_node);
 	mutex_unlock(&db_list.lock);
 
-	if (dmabuf->resv == (struct reservation_object *)&dmabuf[1])
-		reservation_object_fini(dmabuf->resv);
+	if (dmabuf->resv == (struct dma_resv *)&dmabuf[1])
+		dma_resv_fini(dmabuf->resv);
 
 	module_put(dmabuf->owner);
 	kfree(dmabuf);
···
  * To support cross-device and cross-driver synchronization of buffer access
  * implicit fences (represented internally in the kernel with &struct fence) can
  * be attached to a &dma_buf. The glue for that and a few related things are
- * provided in the &reservation_object structure.
+ * provided in the &dma_resv structure.
  *
  * Userspace can query the state of these implicitly tracked fences using poll()
  * and related system calls:
···
 static __poll_t dma_buf_poll(struct file *file, poll_table *poll)
 {
 	struct dma_buf *dmabuf;
-	struct reservation_object *resv;
-	struct reservation_object_list *fobj;
+	struct dma_resv *resv;
+	struct dma_resv_list *fobj;
 	struct dma_fence *fence_excl;
 	__poll_t events;
 	unsigned shared_count;
···
 		return 0;
 
 	rcu_read_lock();
-	reservation_object_fences(resv, &fence_excl, &fobj, &shared_count);
+	dma_resv_fences(resv, &fence_excl, &fobj, &shared_count);
 	if (fence_excl && (!(events & EPOLLOUT) || shared_count == 0)) {
 		struct dma_buf_poll_cb_t *dcb = &dmabuf->cb_excl;
 		__poll_t pevents = EPOLLIN;
···
 struct dma_buf *dma_buf_export(const struct dma_buf_export_info *exp_info)
 {
 	struct dma_buf *dmabuf;
-	struct reservation_object *resv = exp_info->resv;
+	struct dma_resv *resv = exp_info->resv;
 	struct file *file;
 	size_t alloc_size = sizeof(struct dma_buf);
 	int ret;
 
 	if (!exp_info->resv)
-		alloc_size += sizeof(struct reservation_object);
+		alloc_size += sizeof(struct dma_resv);
 	else
 		/* prevent &dma_buf[1] == dma_buf->resv */
 		alloc_size += 1;
···
 	dmabuf->cb_excl.active = dmabuf->cb_shared.active = 0;
 
 	if (!resv) {
-		resv = (struct reservation_object *)&dmabuf[1];
-		reservation_object_init(resv);
+		resv = (struct dma_resv *)&dmabuf[1];
+		dma_resv_init(resv);
 	}
 	dmabuf->resv = resv;
 
···
 {
 	bool write = (direction == DMA_BIDIRECTIONAL ||
 		      direction == DMA_TO_DEVICE);
-	struct reservation_object *resv = dmabuf->resv;
+	struct dma_resv *resv = dmabuf->resv;
 	long ret;
 
 	/* Wait on any implicit rendering fences */
-	ret = reservation_object_wait_timeout_rcu(resv, write, true,
+	ret = dma_resv_wait_timeout_rcu(resv, write, true,
 						  MAX_SCHEDULE_TIMEOUT);
 	if (ret < 0)
 		return ret;
···
 	int ret;
 	struct dma_buf *buf_obj;
 	struct dma_buf_attachment *attach_obj;
-	struct reservation_object *robj;
-	struct reservation_object_list *fobj;
+	struct dma_resv *robj;
+	struct dma_resv_list *fobj;
 	struct dma_fence *fence;
 	int count = 0, attach_count, shared_count, i;
 	size_t size = 0;
···
 
 		robj = buf_obj->resv;
 		rcu_read_lock();
-		reservation_object_fences(robj, &fence, &fobj, &shared_count);
+		dma_resv_fences(robj, &fence, &fobj, &shared_count);
 		rcu_read_unlock();
 
 		if (fence)

drivers/dma-buf/dma-fence.c

···
  *
  * - Then there's also implicit fencing, where the synchronization points are
  *   implicitly passed around as part of shared &dma_buf instances. Such
- *   implicit fences are stored in &struct reservation_object through the
+ *   implicit fences are stored in &struct dma_resv through the
  *   &dma_buf.resv pointer.
  */
 

drivers/dma-buf/reservation.c drivers/dma-buf/dma-resv.c

···
  * Authors: Thomas Hellstrom <thellstrom-at-vmware-dot-com>
  */
 
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/export.h>
 
 /**
···
 EXPORT_SYMBOL(reservation_ww_class);
 
 /**
- * reservation_object_list_alloc - allocate fence list
+ * dma_resv_list_alloc - allocate fence list
  * @shared_max: number of fences we need space for
  *
- * Allocate a new reservation_object_list and make sure to correctly initialize
+ * Allocate a new dma_resv_list and make sure to correctly initialize
  * shared_max.
  */
-static struct reservation_object_list *
-reservation_object_list_alloc(unsigned int shared_max)
+static struct dma_resv_list *dma_resv_list_alloc(unsigned int shared_max)
 {
-	struct reservation_object_list *list;
+	struct dma_resv_list *list;
 
 	list = kmalloc(offsetof(typeof(*list), shared[shared_max]), GFP_KERNEL);
 	if (!list)
···
 }
 
 /**
- * reservation_object_list_free - free fence list
+ * dma_resv_list_free - free fence list
  * @list: list to free
  *
- * Free a reservation_object_list and make sure to drop all references.
+ * Free a dma_resv_list and make sure to drop all references.
  */
-static void reservation_object_list_free(struct reservation_object_list *list)
+static void dma_resv_list_free(struct dma_resv_list *list)
 {
 	unsigned int i;
 
···
 }
 
 /**
- * reservation_object_init - initialize a reservation object
+ * dma_resv_init - initialize a reservation object
  * @obj: the reservation object
  */
-void reservation_object_init(struct reservation_object *obj)
+void dma_resv_init(struct dma_resv *obj)
 {
 	ww_mutex_init(&obj->lock, &reservation_ww_class);
 	RCU_INIT_POINTER(obj->fence, NULL);
 	RCU_INIT_POINTER(obj->fence_excl, NULL);
 }
-EXPORT_SYMBOL(reservation_object_init);
+EXPORT_SYMBOL(dma_resv_init);
 
 /**
- * reservation_object_fini - destroys a reservation object
+ * dma_resv_fini - destroys a reservation object
  * @obj: the reservation object
  */
-void reservation_object_fini(struct reservation_object *obj)
+void dma_resv_fini(struct dma_resv *obj)
 {
-	struct reservation_object_list *fobj;
+	struct dma_resv_list *fobj;
 	struct dma_fence *excl;
 
 	/*
···
 		dma_fence_put(excl);
 
 	fobj = rcu_dereference_protected(obj->fence, 1);
-	reservation_object_list_free(fobj);
+	dma_resv_list_free(fobj);
 	ww_mutex_destroy(&obj->lock);
 }
-EXPORT_SYMBOL(reservation_object_fini);
+EXPORT_SYMBOL(dma_resv_fini);
 
 /**
- * reservation_object_reserve_shared - Reserve space to add shared fences to
- * a reservation_object.
+ * dma_resv_reserve_shared - Reserve space to add shared fences to
+ * a dma_resv.
  * @obj: reservation object
  * @num_fences: number of fences we want to add
  *
- * Should be called before reservation_object_add_shared_fence().  Must
+ * Should be called before dma_resv_add_shared_fence().  Must
  * be called with obj->lock held.
  *
  * RETURNS
  * Zero for success, or -errno
  */
-int reservation_object_reserve_shared(struct reservation_object *obj,
-				      unsigned int num_fences)
+int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences)
 {
-	struct reservation_object_list *old, *new;
+	struct dma_resv_list *old, *new;
 	unsigned int i, j, k, max;
 
-	reservation_object_assert_held(obj);
+	dma_resv_assert_held(obj);
 
-	old = reservation_object_get_list(obj);
+	old = dma_resv_get_list(obj);
 
 	if (old && old->shared_max) {
 		if ((old->shared_count + num_fences) <= old->shared_max)
···
 		max = 4;
 	}
 
-	new = reservation_object_list_alloc(max);
+	new = dma_resv_list_alloc(max);
 	if (!new)
 		return -ENOMEM;
 
···
 		struct dma_fence *fence;
 
 		fence = rcu_dereference_protected(old->shared[i],
-						  reservation_object_held(obj));
+						  dma_resv_held(obj));
 		if (dma_fence_is_signaled(fence))
 			RCU_INIT_POINTER(new->shared[--k], fence);
 		else
···
 		struct dma_fence *fence;
 
 		fence = rcu_dereference_protected(new->shared[i],
-						  reservation_object_held(obj));
+						  dma_resv_held(obj));
 		dma_fence_put(fence);
 	}
 	kfree_rcu(old, rcu);
 
 	return 0;
 }
-EXPORT_SYMBOL(reservation_object_reserve_shared);
+EXPORT_SYMBOL(dma_resv_reserve_shared);
 
 /**
- * reservation_object_add_shared_fence - Add a fence to a shared slot
+ * dma_resv_add_shared_fence - Add a fence to a shared slot
  * @obj: the reservation object
  * @fence: the shared fence to add
  *
  * Add a fence to a shared slot, obj->lock must be held, and
- * reservation_object_reserve_shared() has been called.
+ * dma_resv_reserve_shared() has been called.
  */
-void reservation_object_add_shared_fence(struct reservation_object *obj,
-					 struct dma_fence *fence)
+void dma_resv_add_shared_fence(struct dma_resv *obj, struct dma_fence *fence)
 {
-	struct reservation_object_list *fobj;
+	struct dma_resv_list *fobj;
 	struct dma_fence *old;
 	unsigned int i, count;
 
 	dma_fence_get(fence);
 
-	reservation_object_assert_held(obj);
+	dma_resv_assert_held(obj);
 
-	fobj = reservation_object_get_list(obj);
+	fobj = dma_resv_get_list(obj);
 	count = fobj->shared_count;
 
 	for (i = 0; i < count; ++i) {
 
 		old = rcu_dereference_protected(fobj->shared[i],
-						reservation_object_held(obj));
+						dma_resv_held(obj));
 		if (old->context == fence->context ||
 		    dma_fence_is_signaled(old))
 			goto replace;
···
 	smp_store_mb(fobj->shared_count, count);
 	dma_fence_put(old);
 }
-EXPORT_SYMBOL(reservation_object_add_shared_fence);
+EXPORT_SYMBOL(dma_resv_add_shared_fence);
 
 /**
- * reservation_object_add_excl_fence - Add an exclusive fence.
+ * dma_resv_add_excl_fence - Add an exclusive fence.
  * @obj: the reservation object
  * @fence: the shared fence to add
  *
  * Add a fence to the exclusive slot.  The obj->lock must be held.
  */
-void reservation_object_add_excl_fence(struct reservation_object *obj,
-				       struct dma_fence *fence)
+void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence)
 {
-	struct dma_fence *old_fence = reservation_object_get_excl(obj);
-	struct reservation_object_list *old;
+	struct dma_fence *old_fence = dma_resv_get_excl(obj);
+	struct dma_resv_list *old;
 	u32 i = 0;
 
-	reservation_object_assert_held(obj);
+	dma_resv_assert_held(obj);
 
-	old = reservation_object_get_list(obj);
+	old = dma_resv_get_list(obj);
 	if (old)
 		i = old->shared_count;
 
···
 	/* inplace update, no shared fences */
 	while (i--)
 		dma_fence_put(rcu_dereference_protected(old->shared[i],
-						reservation_object_held(obj)));
+						dma_resv_held(obj)));
 
 	dma_fence_put(old_fence);
 }
-EXPORT_SYMBOL(reservation_object_add_excl_fence);
+EXPORT_SYMBOL(dma_resv_add_excl_fence);
 
 /**
-* reservation_object_copy_fences - Copy all fences from src to dst.
+* dma_resv_copy_fences - Copy all fences from src to dst.
 * @dst: the destination reservation object
 * @src: the source reservation object
 *
 * Copy all fences from src to dst. dst-lock must be held.
 */
-int reservation_object_copy_fences(struct reservation_object *dst,
-				   struct reservation_object *src)
+int dma_resv_copy_fences(struct dma_resv *dst, struct dma_resv *src)
 {
-	struct reservation_object_list *src_list, *dst_list;
+	struct dma_resv_list *src_list, *dst_list;
 	struct dma_fence *old, *new;
 	unsigned int i, shared_count;
 
-	reservation_object_assert_held(dst);
+	dma_resv_assert_held(dst);
 
 	rcu_read_lock();
 
 retry:
-	reservation_object_fences(src, &new, &src_list, &shared_count);
+	dma_resv_fences(src, &new, &src_list, &shared_count);
 	if (shared_count) {
 		rcu_read_unlock();
 
-		dst_list = reservation_object_list_alloc(shared_count);
+		dst_list = dma_resv_list_alloc(shared_count);
 		if (!dst_list)
 			return -ENOMEM;
 
 		rcu_read_lock();
-		reservation_object_fences(src, &new, &src_list, &shared_count);
+		dma_resv_fences(src, &new, &src_list, &shared_count);
 		if (!src_list || shared_count > dst_list->shared_max) {
 			kfree(dst_list);
 			goto retry;
···
 				continue;
 
 			if (!dma_fence_get_rcu(fence)) {
-				reservation_object_list_free(dst_list);
+				dma_resv_list_free(dst_list);
 				goto retry;
 			}
 
···
 	}
 
 	if (new && !dma_fence_get_rcu(new)) {
-		reservation_object_list_free(dst_list);
+		dma_resv_list_free(dst_list);
 		goto retry;
 	}
 	rcu_read_unlock();
 
-	src_list = reservation_object_get_list(dst);
-	old = reservation_object_get_excl(dst);
+	src_list = dma_resv_get_list(dst);
+	old = dma_resv_get_excl(dst);
 
 	preempt_disable();
 	rcu_assign_pointer(dst->fence_excl, new);
 	rcu_assign_pointer(dst->fence, dst_list);
 	preempt_enable();
 
-	reservation_object_list_free(src_list);
+	dma_resv_list_free(src_list);
 	dma_fence_put(old);
 
 	return 0;
 }
-EXPORT_SYMBOL(reservation_object_copy_fences);
+EXPORT_SYMBOL(dma_resv_copy_fences);
 
 /**
- * reservation_object_get_fences_rcu - Get an object's shared and exclusive
+ * dma_resv_get_fences_rcu - Get an object's shared and exclusive
  * fences without update side lock held
  * @obj: the reservation object
  * @pfence_excl: the returned exclusive fence (or NULL)
···
  * exclusive fence is not specified the fence is put into the array of the
  * shared fences as well. Returns either zero or -ENOMEM.
  */
-int reservation_object_get_fences_rcu(struct reservation_object *obj,
-				      struct dma_fence **pfence_excl,
-				      unsigned *pshared_count,
-				      struct dma_fence ***pshared)
+int dma_resv_get_fences_rcu(struct dma_resv *obj,
+			    struct dma_fence **pfence_excl,
+			    unsigned *pshared_count,
+			    struct dma_fence ***pshared)
 {
 	struct dma_fence **shared = NULL;
 	struct dma_fence *fence_excl;
···
 	int ret = 1;
 
 	do {
-		struct reservation_object_list *fobj;
+		struct dma_resv_list *fobj;
 		unsigned int i;
 		size_t sz = 0;
 
 		i = 0;
 
 		rcu_read_lock();
-		reservation_object_fences(obj, &fence_excl, &fobj,
+		dma_resv_fences(obj, &fence_excl, &fobj,
 					  &shared_count);
 
 		if (fence_excl && !dma_fence_get_rcu(fence_excl))
···
 	*pshared = shared;
 	return ret;
 }
-EXPORT_SYMBOL_GPL(reservation_object_get_fences_rcu);
+EXPORT_SYMBOL_GPL(dma_resv_get_fences_rcu);
 
 /**
- * reservation_object_wait_timeout_rcu - Wait on reservation's objects
+ * dma_resv_wait_timeout_rcu - Wait on reservation's objects
  * shared and/or exclusive fences.
  * @obj: the reservation object
  * @wait_all: if true, wait on all fences, else wait on just exclusive fence
···
  * Returns -ERESTARTSYS if interrupted, 0 if the wait timed out, or
  * greater than zer on success.
  */
-long reservation_object_wait_timeout_rcu(struct reservation_object *obj,
-					 bool wait_all, bool intr,
-					 unsigned long timeout)
+long dma_resv_wait_timeout_rcu(struct dma_resv *obj,
+			       bool wait_all, bool intr,
+			       unsigned long timeout)
 {
-	struct reservation_object_list *fobj;
+	struct dma_resv_list *fobj;
 	struct dma_fence *fence;
 	unsigned shared_count;
 	long ret = timeout ? timeout : 1;
···
 	rcu_read_lock();
 	i = -1;
 
-	reservation_object_fences(obj, &fence, &fobj, &shared_count);
+	dma_resv_fences(obj, &fence, &fobj, &shared_count);
 	if (fence && !test_bit(DMA_FENCE_FLAG_SIGNALED_BIT, &fence->flags)) {
 		if (!dma_fence_get_rcu(fence))
 			goto unlock_retry;
···
 	rcu_read_unlock();
 	goto retry;
 }
-EXPORT_SYMBOL_GPL(reservation_object_wait_timeout_rcu);
+EXPORT_SYMBOL_GPL(dma_resv_wait_timeout_rcu);
 
 
-static inline int
-reservation_object_test_signaled_single(struct dma_fence *passed_fence)
+static inline int dma_resv_test_signaled_single(struct dma_fence *passed_fence)
 {
 	struct dma_fence *fence, *lfence = passed_fence;
 	int ret = 1;
···
 }
 
 /**
- * reservation_object_test_signaled_rcu - Test if a reservation object's
+ * dma_resv_test_signaled_rcu - Test if a reservation object's
  * fences have been signaled.
  * @obj: the reservation object
  * @test_all: if true, test all fences, otherwise only test the exclusive
···
  * RETURNS
  * true if all fences signaled, else false
  */
-bool reservation_object_test_signaled_rcu(struct reservation_object *obj,
-					  bool test_all)
+bool dma_resv_test_signaled_rcu(struct dma_resv *obj, bool test_all)
 {
-	struct reservation_object_list *fobj;
+	struct dma_resv_list *fobj;
 	struct dma_fence *fence_excl;
 	unsigned shared_count;
 	int ret;
···
 retry:
 	ret = true;
 
-	reservation_object_fences(obj, &fence_excl, &fobj, &shared_count);
+	dma_resv_fences(obj, &fence_excl, &fobj, &shared_count);
 	if (test_all) {
 		unsigned i;
 
 		for (i = 0; i < shared_count; ++i) {
 			struct dma_fence *fence = rcu_dereference(fobj->shared[i]);
 
-			ret = reservation_object_test_signaled_single(fence);
+			ret = dma_resv_test_signaled_single(fence);
 			if (ret < 0)
 				goto retry;
 			else if (!ret)
···
 	}
 
 	if (!shared_count && fence_excl) {
-		ret = reservation_object_test_signaled_single(fence_excl);
+		ret = dma_resv_test_signaled_single(fence_excl);
 		if (ret < 0)
 			goto retry;
 	}
···
 	rcu_read_unlock();
 	return ret;
 }
-EXPORT_SYMBOL_GPL(reservation_object_test_signaled_rcu);
+EXPORT_SYMBOL_GPL(dma_resv_test_signaled_rcu);

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

···
 static int amdgpu_amdkfd_remove_eviction_fence(struct amdgpu_bo *bo,
 					struct amdgpu_amdkfd_fence *ef)
 {
-	struct reservation_object *resv = bo->tbo.base.resv;
-	struct reservation_object_list *old, *new;
+	struct dma_resv *resv = bo->tbo.base.resv;
+	struct dma_resv_list *old, *new;
 	unsigned int i, j, k;
 
 	if (!ef)
 		return -EINVAL;
 
-	old = reservation_object_get_list(resv);
+	old = dma_resv_get_list(resv);
 	if (!old)
 		return 0;
 
···
 		struct dma_fence *f;
 
 		f = rcu_dereference_protected(old->shared[i],
-					      reservation_object_held(resv));
+					      dma_resv_held(resv));
 
 		if (f->context == ef->base.context)
 			RCU_INIT_POINTER(new->shared[--j], f);
···
 		struct dma_fence *f;
 
 		f = rcu_dereference_protected(new->shared[i],
-					      reservation_object_held(resv));
+					      dma_resv_held(resv));
 		dma_fence_put(f);
 	}
 	kfree_rcu(old, rcu);
···
 				  AMDGPU_FENCE_OWNER_KFD, false);
 	if (ret)
 		goto wait_pd_fail;
-	ret = reservation_object_reserve_shared(vm->root.base.bo->tbo.base.resv, 1);
+	ret = dma_resv_reserve_shared(vm->root.base.bo->tbo.base.resv, 1);
 	if (ret)
 		goto reserve_shared_fail;
 	amdgpu_bo_fence(vm->root.base.bo,
···
 	 * Add process eviction fence to bo so they can
 	 * evict each other.
 	 */
-	ret = reservation_object_reserve_shared(gws_bo->tbo.base.resv, 1);
+	ret = dma_resv_reserve_shared(gws_bo->tbo.base.resv, 1);
 	if (ret)
 		goto reserve_shared_fail;
 	amdgpu_bo_fence(gws_bo, &process_info->eviction_fence->base, true);

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

···
 
 	list_for_each_entry(e, &p->validated, tv.head) {
 		struct amdgpu_bo *bo = ttm_to_amdgpu_bo(e->tv.bo);
-		struct reservation_object *resv = bo->tbo.base.resv;
+		struct dma_resv *resv = bo->tbo.base.resv;
 
 		r = amdgpu_sync_resv(p->adev, &p->job->sync, resv, p->filp,
 				     amdgpu_bo_explicit_sync(bo));
···
 	*map = mapping;
 
 	/* Double check that the BO is reserved by this CS */
-	if (reservation_object_locking_ctx((*bo)->tbo.base.resv) != &parser->ticket)
+	if (dma_resv_locking_ctx((*bo)->tbo.base.resv) != &parser->ticket)
 		return -EINVAL;
 
 	if (!((*bo)->flags & AMDGPU_GEM_CREATE_VRAM_CONTIGUOUS)) {

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

···
 		goto unpin;
 	}
 
-	r = reservation_object_get_fences_rcu(new_abo->tbo.base.resv, &work->excl,
+	r = dma_resv_get_fences_rcu(new_abo->tbo.base.resv, &work->excl,
 					      &work->shared_count,
 					      &work->shared);
 	if (unlikely(r != 0)) {

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

···
 }
 
 static int
-__reservation_object_make_exclusive(struct reservation_object *obj)
+__dma_resv_make_exclusive(struct dma_resv *obj)
 {
 	struct dma_fence **fences;
 	unsigned int count;
 	int r;
 
-	if (!reservation_object_get_list(obj)) /* no shared fences to convert */
+	if (!dma_resv_get_list(obj)) /* no shared fences to convert */
 		return 0;
 
-	r = reservation_object_get_fences_rcu(obj, NULL, &count, &fences);
+	r = dma_resv_get_fences_rcu(obj, NULL, &count, &fences);
 	if (r)
 		return r;
 
 	if (count == 0) {
 		/* Now that was unexpected. */
 	} else if (count == 1) {
-		reservation_object_add_excl_fence(obj, fences[0]);
+		dma_resv_add_excl_fence(obj, fences[0]);
 		dma_fence_put(fences[0]);
 		kfree(fences);
 	} else {
···
 		if (!array)
 			goto err_fences_put;
 
-		reservation_object_add_excl_fence(obj, &array->base);
+		dma_resv_add_excl_fence(obj, &array->base);
 		dma_fence_put(&array->base);
 	}
 
···
 		 * fences on the reservation object into a single exclusive
 		 * fence.
 		 */
-		r = __reservation_object_make_exclusive(bo->tbo.base.resv);
+		r = __dma_resv_make_exclusive(bo->tbo.base.resv);
 		if (r)
 			goto error_unreserve;
 	}
···
 				 struct dma_buf_attachment *attach,
 				 struct sg_table *sg)
 {
-	struct reservation_object *resv = attach->dmabuf->resv;
+	struct dma_resv *resv = attach->dmabuf->resv;
 	struct amdgpu_device *adev = dev->dev_private;
 	struct amdgpu_bo *bo;
 	struct amdgpu_bo_param bp;
···
 	bp.flags = 0;
 	bp.type = ttm_bo_type_sg;
 	bp.resv = resv;
-	reservation_object_lock(resv, NULL);
+	dma_resv_lock(resv, NULL);
 	ret = amdgpu_bo_create(adev, &bp, &bo);
 	if (ret)
 		goto error;
···
 	if (attach->dmabuf->ops != &amdgpu_dmabuf_ops)
 		bo->prime_shared_count = 1;
 
-	reservation_object_unlock(resv);
+	dma_resv_unlock(resv);
 	return &bo->tbo.base;
 
 error:
-	reservation_object_unlock(resv);
+	dma_resv_unlock(resv);
 	return ERR_PTR(ret);
 }
 

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

···
 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
 			     int alignment, u32 initial_domain,
 			     u64 flags, enum ttm_bo_type type,
-			     struct reservation_object *resv,
+			     struct dma_resv *resv,
 			     struct drm_gem_object **obj)
 {
 	struct amdgpu_bo *bo;
···
 	union drm_amdgpu_gem_create *args = data;
 	uint64_t flags = args->in.domain_flags;
 	uint64_t size = args->in.bo_size;
-	struct reservation_object *resv = NULL;
+	struct dma_resv *resv = NULL;
 	struct drm_gem_object *gobj;
 	uint32_t handle;
 	int r;
···
 		return -ENOENT;
 	}
 	robj = gem_to_amdgpu_bo(gobj);
-	ret = reservation_object_wait_timeout_rcu(robj->tbo.base.resv, true, true,
+	ret = dma_resv_wait_timeout_rcu(robj->tbo.base.resv, true, true,
 						  timeout);
 
 	/* ret == 0 means not signaled,

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

···
 int amdgpu_gem_object_create(struct amdgpu_device *adev, unsigned long size,
 			     int alignment, u32 initial_domain,
 			     u64 flags, enum ttm_bo_type type,
-			     struct reservation_object *resv,
+			     struct dma_resv *resv,
 			     struct drm_gem_object **obj);
 
 int amdgpu_mode_dumb_create(struct drm_file *file_priv,

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

···
  *
  * Free the pasid only after all the fences in resv are signaled.
  */
-void amdgpu_pasid_free_delayed(struct reservation_object *resv,
+void amdgpu_pasid_free_delayed(struct dma_resv *resv,
 			       unsigned int pasid)
 {
 	struct dma_fence *fence, **fences;
···
 	unsigned count;
 	int r;
 
-	r = reservation_object_get_fences_rcu(resv, NULL, &count, &fences);
+	r = dma_resv_get_fences_rcu(resv, NULL, &count, &fences);
 	if (r)
 		goto fallback;
 
···
 	/* Not enough memory for the delayed delete, as last resort
 	 * block for all the fences to complete.
 	 */
-	reservation_object_wait_timeout_rcu(resv, true, false,
+	dma_resv_wait_timeout_rcu(resv, true, false,
 					    MAX_SCHEDULE_TIMEOUT);
 	amdgpu_pasid_free(pasid);
 }

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

···
 
 int amdgpu_pasid_alloc(unsigned int bits);
 void amdgpu_pasid_free(unsigned int pasid);
-void amdgpu_pasid_free_delayed(struct reservation_object *resv,
+void amdgpu_pasid_free_delayed(struct dma_resv *resv,
 			       unsigned int pasid);
 
 bool amdgpu_vmid_had_gpu_reset(struct amdgpu_device *adev,

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

···
 		if (!amdgpu_ttm_tt_affect_userptr(bo->tbo.ttm, start, end))
 			continue;
 
-		r = reservation_object_wait_timeout_rcu(bo->tbo.base.resv,
+		r = dma_resv_wait_timeout_rcu(bo->tbo.base.resv,
 			true, false, MAX_SCHEDULE_TIMEOUT);
 		if (r <= 0)
 			DRM_ERROR("(%ld) failed to wait for user bo\n", r);

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

···
 
 fail_unreserve:
 	if (!bp->resv)
-		reservation_object_unlock(bo->tbo.base.resv);
+		dma_resv_unlock(bo->tbo.base.resv);
 	amdgpu_bo_unref(&bo);
 	return r;
 }
···
 
 	if ((flags & AMDGPU_GEM_CREATE_SHADOW) && !(adev->flags & AMD_IS_APU)) {
 		if (!bp->resv)
-			WARN_ON(reservation_object_lock((*bo_ptr)->tbo.base.resv,
+			WARN_ON(dma_resv_lock((*bo_ptr)->tbo.base.resv,
 							NULL));
 
 		r = amdgpu_bo_create_shadow(adev, bp->size, *bo_ptr);
 
 		if (!bp->resv)
-			reservation_object_unlock((*bo_ptr)->tbo.base.resv);
+			dma_resv_unlock((*bo_ptr)->tbo.base.resv);
 
 		if (r)
 			amdgpu_bo_unref(bo_ptr);
···
 		return 0;
 	}
 
-	r = reservation_object_wait_timeout_rcu(bo->tbo.base.resv, false, false,
+	r = dma_resv_wait_timeout_rcu(bo->tbo.base.resv, false, false,
 						MAX_SCHEDULE_TIMEOUT);
 	if (r < 0)
 		return r;
···
  */
 void amdgpu_bo_get_tiling_flags(struct amdgpu_bo *bo, u64 *tiling_flags)
 {
-	reservation_object_assert_held(bo->tbo.base.resv);
+	dma_resv_assert_held(bo->tbo.base.resv);
 
 	if (tiling_flags)
 		*tiling_flags = bo->tiling_flags;
···
 void amdgpu_bo_fence(struct amdgpu_bo *bo, struct dma_fence *fence,
 		     bool shared)
 {
-	struct reservation_object *resv = bo->tbo.base.resv;
+	struct dma_resv *resv = bo->tbo.base.resv;
 
 	if (shared)
-		reservation_object_add_shared_fence(resv, fence);
+		dma_resv_add_shared_fence(resv, fence);
 	else
-		reservation_object_add_excl_fence(resv, fence);
+		dma_resv_add_excl_fence(resv, fence);
 }
 
 /**
···
 u64 amdgpu_bo_gpu_offset(struct amdgpu_bo *bo)
 {
 	WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_SYSTEM);
-	WARN_ON_ONCE(!reservation_object_is_locked(bo->tbo.base.resv) &&
+	WARN_ON_ONCE(!dma_resv_is_locked(bo->tbo.base.resv) &&
 		     !bo->pin_count && bo->tbo.type != ttm_bo_type_kernel);
 	WARN_ON_ONCE(bo->tbo.mem.start == AMDGPU_BO_INVALID_OFFSET);
 	WARN_ON_ONCE(bo->tbo.mem.mem_type == TTM_PL_VRAM &&

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

···
 	u32				preferred_domain;
 	u64				flags;
 	enum ttm_bo_type		type;
-	struct reservation_object	*resv;
+	struct dma_resv	*resv;
 };
 
 /* bo virtual addresses in a vm */

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

···
  */
 int amdgpu_sync_resv(struct amdgpu_device *adev,
 		     struct amdgpu_sync *sync,
-		     struct reservation_object *resv,
+		     struct dma_resv *resv,
 		     void *owner, bool explicit_sync)
 {
-	struct reservation_object_list *flist;
+	struct dma_resv_list *flist;
 	struct dma_fence *f;
 	void *fence_owner;
 	unsigned i;
···
 		return -EINVAL;
 
 	/* always sync to the exclusive fence */
-	f = reservation_object_get_excl(resv);
+	f = dma_resv_get_excl(resv);
 	r = amdgpu_sync_fence(adev, sync, f, false);
 
-	flist = reservation_object_get_list(resv);
+	flist = dma_resv_get_list(resv);
 	if (!flist || r)
 		return r;
 
 	for (i = 0; i < flist->shared_count; ++i) {
 		f = rcu_dereference_protected(flist->shared[i],
-					      reservation_object_held(resv));
+					      dma_resv_held(resv));
 		/* We only want to trigger KFD eviction fences on
 		 * evict or move jobs. Skip KFD fences otherwise.
 		 */

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

···
 #include <linux/hashtable.h>
 
 struct dma_fence;
-struct reservation_object;
+struct dma_resv;
 struct amdgpu_device;
 struct amdgpu_ring;
 
···
 		      struct dma_fence *f, bool explicit);
 int amdgpu_sync_resv(struct amdgpu_device *adev,
 		     struct amdgpu_sync *sync,
-		     struct reservation_object *resv,
+		     struct dma_resv *resv,
 		     void *owner,
 		     bool explicit_sync);
 struct dma_fence *amdgpu_sync_peek_fence(struct amdgpu_sync *sync,

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

···
 			       struct amdgpu_copy_mem *src,
 			       struct amdgpu_copy_mem *dst,
 			       uint64_t size,
-			       struct reservation_object *resv,
+			       struct dma_resv *resv,
 			       struct dma_fence **f)
 {
 	struct amdgpu_ring *ring = adev->mman.buffer_funcs_ring;
···
 {
 	unsigned long num_pages = bo->mem.num_pages;
 	struct drm_mm_node *node = bo->mem.mm_node;
-	struct reservation_object_list *flist;
+	struct dma_resv_list *flist;
 	struct dma_fence *f;
 	int i;
 
···
 	 * cleanly handle page faults.
 	 */
 	if (bo->type == ttm_bo_type_kernel &&
-	    !reservation_object_test_signaled_rcu(bo->base.resv, true))
+	    !dma_resv_test_signaled_rcu(bo->base.resv, true))
 		return false;
 
 	/* If bo is a KFD BO, check if the bo belongs to the current process.
 	 * If true, then return false as any KFD process needs all its BOs to
 	 * be resident to run successfully
 	 */
-	flist = reservation_object_get_list(bo->base.resv);
+	flist = dma_resv_get_list(bo->base.resv);
 	if (flist) {
 		for (i = 0; i < flist->shared_count; ++i) {
 			f = rcu_dereference_protected(flist->shared[i],
-				reservation_object_held(bo->base.resv));
+				dma_resv_held(bo->base.resv));
 			if (amdkfd_fence_check_mm(f, current->mm))
 				return false;
 		}
···
 
 int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
 		       uint64_t dst_offset, uint32_t byte_count,
-		       struct reservation_object *resv,
+		       struct dma_resv *resv,
 		       struct dma_fence **fence, bool direct_submit,
 		       bool vm_needs_flush)
 {
···
 
 int amdgpu_fill_buffer(struct amdgpu_bo *bo,
 		       uint32_t src_data,
-		       struct reservation_object *resv,
+		       struct dma_resv *resv,
 		       struct dma_fence **fence)
 {
 	struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);

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

···
 
 int amdgpu_copy_buffer(struct amdgpu_ring *ring, uint64_t src_offset,
 		       uint64_t dst_offset, uint32_t byte_count,
-		       struct reservation_object *resv,
+		       struct dma_resv *resv,
 		       struct dma_fence **fence, bool direct_submit,
 		       bool vm_needs_flush);
 int amdgpu_ttm_copy_mem_to_mem(struct amdgpu_device *adev,
 			       struct amdgpu_copy_mem *src,
 			       struct amdgpu_copy_mem *dst,
 			       uint64_t size,
-			       struct reservation_object *resv,
+			       struct dma_resv *resv,
 			       struct dma_fence **f);
 int amdgpu_fill_buffer(struct amdgpu_bo *bo,
 			uint32_t src_data,
-			struct reservation_object *resv,
+			struct dma_resv *resv,
 			struct dma_fence **fence);
 
 int amdgpu_mmap(struct file *filp, struct vm_area_struct *vma);

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

···
 	ib->length_dw = 16;
 
 	if (direct) {
-		r = reservation_object_wait_timeout_rcu(bo->tbo.base.resv,
+		r = dma_resv_wait_timeout_rcu(bo->tbo.base.resv,
 							true, false,
 							msecs_to_jiffies(10));
 		if (r == 0)

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

···
 			ttm = container_of(bo->tbo.ttm, struct ttm_dma_tt, ttm);
 			pages_addr = ttm->dma_address;
 		}
-		exclusive = reservation_object_get_excl(bo->tbo.base.resv);
+		exclusive = dma_resv_get_excl(bo->tbo.base.resv);
 	}
 
 	if (bo) {
···
  */
 static void amdgpu_vm_prt_fini(struct amdgpu_device *adev, struct amdgpu_vm *vm)
 {
-	struct reservation_object *resv = vm->root.base.bo->tbo.base.resv;
+	struct dma_resv *resv = vm->root.base.bo->tbo.base.resv;
 	struct dma_fence *excl, **shared;
 	unsigned i, shared_count;
 	int r;
 
-	r = reservation_object_get_fences_rcu(resv, &excl,
+	r = dma_resv_get_fences_rcu(resv, &excl,
 					      &shared_count, &shared);
 	if (r) {
 		/* Not enough memory to grab the fence list, as last resort
 		 * block for all the fences to complete.
 		 */
-		reservation_object_wait_timeout_rcu(resv, true, false,
+		dma_resv_wait_timeout_rcu(resv, true, false,
 						    MAX_SCHEDULE_TIMEOUT);
 		return;
 	}
···
 			   struct amdgpu_vm *vm)
 {
 	struct amdgpu_bo_va *bo_va, *tmp;
-	struct reservation_object *resv;
+	struct dma_resv *resv;
 	bool clear;
 	int r;
 
···
 		spin_unlock(&vm->invalidated_lock);
 
 		/* Try to reserve the BO to avoid clearing its ptes */
-		if (!amdgpu_vm_debug && reservation_object_trylock(resv))
+		if (!amdgpu_vm_debug && dma_resv_trylock(resv))
 			clear = false;
 		/* Somebody else is using the BO right now */
 		else
···
 			return r;
 
 		if (!clear)
-			reservation_object_unlock(resv);
+			dma_resv_unlock(resv);
 		spin_lock(&vm->invalidated_lock);
 	}
 	spin_unlock(&vm->invalidated_lock);
···
 			struct amdgpu_bo *bo;
 
 			bo = mapping->bo_va->base.bo;
-			if (reservation_object_locking_ctx(bo->tbo.base.resv) !=
+			if (dma_resv_locking_ctx(bo->tbo.base.resv) !=
 			    ticket)
 				continue;
 		}
···
  */
 long amdgpu_vm_wait_idle(struct amdgpu_vm *vm, long timeout)
 {
-	return reservation_object_wait_timeout_rcu(vm->root.base.bo->tbo.base.resv,
+	return dma_resv_wait_timeout_rcu(vm->root.base.bo->tbo.base.resv,
 						   true, true, timeout);
 }
 
···
 	if (r)
 		goto error_free_root;
 
-	r = reservation_object_reserve_shared(root->tbo.base.resv, 1);
+	r = dma_resv_reserve_shared(root->tbo.base.resv, 1);
 	if (r)
 		goto error_unreserve;
 

drivers/gpu/drm/amd/display/amdgpu_dm/amdgpu_dm.c

···
 		 * deadlock during GPU reset when this fence will not signal
 		 * but we hold reservation lock for the BO.
 		 */
-		r = reservation_object_wait_timeout_rcu(abo->tbo.base.resv, true,
+		r = dma_resv_wait_timeout_rcu(abo->tbo.base.resv, true,
 							false,
 							msecs_to_jiffies(5000));
 		if (unlikely(r <= 0))

drivers/gpu/drm/drm_atomic_uapi.c

···
  * As a contrast, with implicit fencing the kernel keeps track of any
  * ongoing rendering, and automatically ensures that the atomic update waits
  * for any pending rendering to complete. For shared buffers represented with
- * a &struct dma_buf this is tracked in &struct reservation_object.
+ * a &struct dma_buf this is tracked in &struct dma_resv.
  * Implicit syncing is how Linux traditionally worked (e.g. DRI2/3 on X.org),
  * whereas explicit fencing is what Android wants.
  *

drivers/gpu/drm/drm_gem.c

···
 	kref_init(&obj->refcount);
 	obj->handle_count = 0;
 	obj->size = size;
-	reservation_object_init(&obj->_resv);
+	dma_resv_init(&obj->_resv);
 	if (!obj->resv)
 		obj->resv = &obj->_resv;
 
···
 EXPORT_SYMBOL(drm_gem_object_lookup);
 
 /**
- * drm_gem_reservation_object_wait - Wait on GEM object's reservation's objects
+ * drm_gem_dma_resv_wait - Wait on GEM object's reservation's objects
  * shared and/or exclusive fences.
  * @filep: DRM file private date
  * @handle: userspace handle
···
  * Returns -ERESTARTSYS if interrupted, 0 if the wait timed out, or
  * greater than 0 on success.
  */
-long drm_gem_reservation_object_wait(struct drm_file *filep, u32 handle,
+long drm_gem_dma_resv_wait(struct drm_file *filep, u32 handle,
 				    bool wait_all, unsigned long timeout)
 {
 	long ret;
···
 		return -EINVAL;
 	}
 
-	ret = reservation_object_wait_timeout_rcu(obj->resv, wait_all,
+	ret = dma_resv_wait_timeout_rcu(obj->resv, wait_all,
 						  true, timeout);
 	if (ret == 0)
 		ret = -ETIME;
···
 
 	return ret;
 }
-EXPORT_SYMBOL(drm_gem_reservation_object_wait);
+EXPORT_SYMBOL(drm_gem_dma_resv_wait);
 
 /**
  * drm_gem_close_ioctl - implementation of the GEM_CLOSE ioctl
···
 	if (obj->filp)
 		fput(obj->filp);
 
-	reservation_object_fini(&obj->_resv);
+	dma_resv_fini(&obj->_resv);
 	drm_gem_free_mmap_offset(obj);
 }
 EXPORT_SYMBOL(drm_gem_object_release);
···
 	if (contended != -1) {
 		struct drm_gem_object *obj = objs[contended];
 
-		ret = reservation_object_lock_slow_interruptible(obj->resv,
+		ret = dma_resv_lock_slow_interruptible(obj->resv,
 								 acquire_ctx);
 		if (ret) {
 			ww_acquire_done(acquire_ctx);
···
 		if (i == contended)
 			continue;
 
-		ret = reservation_object_lock_interruptible(objs[i]->resv,
+		ret = dma_resv_lock_interruptible(objs[i]->resv,
 							    acquire_ctx);
 		if (ret) {
 			int j;
 
 			for (j = 0; j < i; j++)
-				reservation_object_unlock(objs[j]->resv);
+				dma_resv_unlock(objs[j]->resv);
 
 			if (contended != -1 && contended >= i)
-				reservation_object_unlock(objs[contended]->resv);
+				dma_resv_unlock(objs[contended]->resv);
 
 			if (ret == -EDEADLK) {
 				contended = i;
···
 	int i;
 
 	for (i = 0; i < count; i++)
-		reservation_object_unlock(objs[i]->resv);
+		dma_resv_unlock(objs[i]->resv);
 
 	ww_acquire_fini(acquire_ctx);
 }
···
 
 	if (!write) {
 		struct dma_fence *fence =
-			reservation_object_get_excl_rcu(obj->resv);
+			dma_resv_get_excl_rcu(obj->resv);
 
 		return drm_gem_fence_array_add(fence_array, fence);
 	}
 
-	ret = reservation_object_get_fences_rcu(obj->resv, NULL,
+	ret = dma_resv_get_fences_rcu(obj->resv, NULL,
 						&fence_count, &fences);
 	if (ret || !fence_count)
 		return ret;

drivers/gpu/drm/drm_gem_framebuffer_helper.c

···
 
 #include <linux/dma-buf.h>
 #include <linux/dma-fence.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/slab.h>
 
 #include <drm/drm_atomic.h>
···
 		return 0;
 
 	obj = drm_gem_fb_get_obj(state->fb, 0);
-	fence = reservation_object_get_excl_rcu(obj->resv);
+	fence = dma_resv_get_excl_rcu(obj->resv);
 	drm_atomic_set_fence_for_plane(state, fence);
 
 	return 0;

drivers/gpu/drm/etnaviv/etnaviv_gem.c

···
 	}
 
 	if (op & ETNA_PREP_NOSYNC) {
-		if (!reservation_object_test_signaled_rcu(obj->resv,
+		if (!dma_resv_test_signaled_rcu(obj->resv,
 							  write))
 			return -EBUSY;
 	} else {
 		unsigned long remain = etnaviv_timeout_to_jiffies(timeout);
 
-		ret = reservation_object_wait_timeout_rcu(obj->resv,
+		ret = dma_resv_wait_timeout_rcu(obj->resv,
 							  write, true, remain);
 		if (ret <= 0)
 			return ret == 0 ? -ETIMEDOUT : ret;
···
 static void etnaviv_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
 {
 	struct etnaviv_gem_object *etnaviv_obj = to_etnaviv_bo(obj);
-	struct reservation_object *robj = obj->resv;
-	struct reservation_object_list *fobj;
+	struct dma_resv *robj = obj->resv;
+	struct dma_resv_list *fobj;
 	struct dma_fence *fence;
 	unsigned long off = drm_vma_node_start(&obj->vma_node);
 

drivers/gpu/drm/etnaviv/etnaviv_gem.h

···
 #ifndef __ETNAVIV_GEM_H__
 #define __ETNAVIV_GEM_H__
 
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include "etnaviv_cmdbuf.h"
 #include "etnaviv_drv.h"
 

drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c

···
  */
 
 #include <linux/dma-fence-array.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/sync_file.h>
 #include "etnaviv_cmdbuf.h"
 #include "etnaviv_drv.h"
···
 
 	for (i = 0; i < submit->nr_bos; i++) {
 		struct etnaviv_gem_submit_bo *bo = &submit->bos[i];
-		struct reservation_object *robj = bo->obj->base.resv;
+		struct dma_resv *robj = bo->obj->base.resv;
 
 		if (!(bo->flags & ETNA_SUBMIT_BO_WRITE)) {
-			ret = reservation_object_reserve_shared(robj, 1);
+			ret = dma_resv_reserve_shared(robj, 1);
 			if (ret)
 				return ret;
 		}
···
 			continue;
 
 		if (bo->flags & ETNA_SUBMIT_BO_WRITE) {
-			ret = reservation_object_get_fences_rcu(robj, &bo->excl,
+			ret = dma_resv_get_fences_rcu(robj, &bo->excl,
 								&bo->nr_shared,
 								&bo->shared);
 			if (ret)
 				return ret;
 		} else {
-			bo->excl = reservation_object_get_excl_rcu(robj);
+			bo->excl = dma_resv_get_excl_rcu(robj);
 		}
 
 	}
···
 		struct drm_gem_object *obj = &submit->bos[i].obj->base;
 
 		if (submit->bos[i].flags & ETNA_SUBMIT_BO_WRITE)
-			reservation_object_add_excl_fence(obj->resv,
+			dma_resv_add_excl_fence(obj->resv,
 							  submit->out_fence);
 		else
-			reservation_object_add_shared_fence(obj->resv,
+			dma_resv_add_shared_fence(obj->resv,
 							    submit->out_fence);
 
 		submit_unlock_object(submit, i);

drivers/gpu/drm/i915/display/intel_display.c

···
 #include <linux/intel-iommu.h>
 #include <linux/kernel.h>
 #include <linux/module.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/slab.h>
 #include <linux/vgaarb.h>
 
···
 		if (ret < 0)
 			return ret;
 
-		fence = reservation_object_get_excl_rcu(obj->base.resv);
+		fence = dma_resv_get_excl_rcu(obj->base.resv);
 		if (fence) {
 			add_rps_boost_after_vblank(new_state->crtc, fence);
 			dma_fence_put(fence);

drivers/gpu/drm/i915/gem/i915_gem_busy.c

···
 {
 	struct drm_i915_gem_busy *args = data;
 	struct drm_i915_gem_object *obj;
-	struct reservation_object_list *list;
+	struct dma_resv_list *list;
 	unsigned int i, shared_count;
 	struct dma_fence *excl;
 	int err;
···
 	 * Alternatively, we can trade that extra information on read/write
 	 * activity with
 	 *	args->busy =
-	 *		!reservation_object_test_signaled_rcu(obj->resv, true);
+	 *		!dma_resv_test_signaled_rcu(obj->resv, true);
 	 * to report the overall busyness. This is what the wait-ioctl does.
 	 *
 	 */
-	reservation_object_fences(obj->base.resv, &excl, &list, &shared_count);
+	dma_resv_fences(obj->base.resv, &excl, &list, &shared_count);
 
 	/* Translate the exclusive fence to the READ *and* WRITE engine */
 	args->busy = busy_check_writer(excl);

drivers/gpu/drm/i915/gem/i915_gem_clflush.c

···
 						true, I915_FENCE_TIMEOUT,
 						I915_FENCE_GFP);
 
-		reservation_object_add_excl_fence(obj->base.resv,
+		dma_resv_add_excl_fence(obj->base.resv,
 						  &clflush->dma);
 
 		i915_sw_fence_commit(&clflush->wait);

drivers/gpu/drm/i915/gem/i915_gem_client_blt.c

···
 	if (err < 0) {
 		dma_fence_set_error(&work->dma, err);
 	} else {
-		reservation_object_add_excl_fence(obj->base.resv, &work->dma);
+		dma_resv_add_excl_fence(obj->base.resv, &work->dma);
 		err = 0;
 	}
 	i915_gem_object_unlock(obj);

drivers/gpu/drm/i915/gem/i915_gem_dmabuf.c

···
 
 #include <linux/dma-buf.h>
 #include <linux/highmem.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 #include "i915_drv.h"
 #include "i915_gem_object.h"

drivers/gpu/drm/i915/gem/i915_gem_execbuffer.c

···
  */
 
 #include <linux/intel-iommu.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/sync_file.h>
 #include <linux/uaccess.h>
 
···
 		goto skip_request;
 
 	i915_vma_lock(batch);
-	GEM_BUG_ON(!reservation_object_test_signaled_rcu(batch->resv, true));
+	GEM_BUG_ON(!dma_resv_test_signaled_rcu(batch->resv, true));
 	err = i915_vma_move_to_active(batch, rq, 0);
 	i915_vma_unlock(batch);
 	if (err)
···
 
 	if (!eb->reloc_cache.vaddr &&
 	    (DBG_FORCE_RELOC == FORCE_GPU_RELOC ||
-	     !reservation_object_test_signaled_rcu(vma->resv, true))) {
+	     !dma_resv_test_signaled_rcu(vma->resv, true))) {
 		const unsigned int gen = eb->reloc_cache.gen;
 		unsigned int len;
 		u32 *batch;

drivers/gpu/drm/i915/gem/i915_gem_fence.c

···
 					    I915_FENCE_GFP) < 0)
 		goto err;
 
-	reservation_object_add_excl_fence(obj->base.resv, &stub->dma);
+	dma_resv_add_excl_fence(obj->base.resv, &stub->dma);
 
 	return &stub->dma;
 

drivers/gpu/drm/i915/gem/i915_gem_object.h

···
 	__drm_gem_object_put(&obj->base);
 }
 
-#define assert_object_held(obj) reservation_object_assert_held((obj)->base.resv)
+#define assert_object_held(obj) dma_resv_assert_held((obj)->base.resv)
 
 static inline void i915_gem_object_lock(struct drm_i915_gem_object *obj)
 {
-	reservation_object_lock(obj->base.resv, NULL);
+	dma_resv_lock(obj->base.resv, NULL);
 }
 
 static inline int
 i915_gem_object_lock_interruptible(struct drm_i915_gem_object *obj)
 {
-	return reservation_object_lock_interruptible(obj->base.resv, NULL);
+	return dma_resv_lock_interruptible(obj->base.resv, NULL);
 }
 
 static inline void i915_gem_object_unlock(struct drm_i915_gem_object *obj)
 {
-	reservation_object_unlock(obj->base.resv);
+	dma_resv_unlock(obj->base.resv);
 }
 
 struct dma_fence *
···
 	struct dma_fence *fence;
 
 	rcu_read_lock();
-	fence = reservation_object_get_excl_rcu(obj->base.resv);
+	fence = dma_resv_get_excl_rcu(obj->base.resv);
 	rcu_read_unlock();
 
 	if (fence && dma_fence_is_i915(fence) && !dma_fence_is_signaled(fence))

drivers/gpu/drm/i915/gem/i915_gem_wait.c

···
 }
 
 static long
-i915_gem_object_wait_reservation(struct reservation_object *resv,
+i915_gem_object_wait_reservation(struct dma_resv *resv,
 				 unsigned int flags,
 				 long timeout)
 {
···
 		unsigned int count, i;
 		int ret;
 
-		ret = reservation_object_get_fences_rcu(resv,
+		ret = dma_resv_get_fences_rcu(resv,
 							&excl, &count, &shared);
 		if (ret)
 			return ret;
···
 		 */
 		prune_fences = count && timeout >= 0;
 	} else {
-		excl = reservation_object_get_excl_rcu(resv);
+		excl = dma_resv_get_excl_rcu(resv);
 	}
 
 	if (excl && timeout >= 0)
···
 	 * Opportunistically prune the fences iff we know they have *all* been
 	 * signaled.
 	 */
-	if (prune_fences && reservation_object_trylock(resv)) {
-		if (reservation_object_test_signaled_rcu(resv, true))
-			reservation_object_add_excl_fence(resv, NULL);
-		reservation_object_unlock(resv);
+	if (prune_fences && dma_resv_trylock(resv)) {
+		if (dma_resv_test_signaled_rcu(resv, true))
+			dma_resv_add_excl_fence(resv, NULL);
+		dma_resv_unlock(resv);
 	}
 
 	return timeout;
···
 		unsigned int count, i;
 		int ret;
 
-		ret = reservation_object_get_fences_rcu(obj->base.resv,
+		ret = dma_resv_get_fences_rcu(obj->base.resv,
 							&excl, &count, &shared);
 		if (ret)
 			return ret;
···
 
 		kfree(shared);
 	} else {
-		excl = reservation_object_get_excl_rcu(obj->base.resv);
+		excl = dma_resv_get_excl_rcu(obj->base.resv);
 	}
 
 	if (excl) {

drivers/gpu/drm/i915/i915_drv.h

···
 #include <linux/mm_types.h>
 #include <linux/perf_event.h>
 #include <linux/pm_qos.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/shmem_fs.h>
 #include <linux/stackdepot.h>
 

drivers/gpu/drm/i915/i915_gem.c

···
 #include <drm/i915_drm.h>
 #include <linux/dma-fence-array.h>
 #include <linux/kthread.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/shmem_fs.h>
 #include <linux/slab.h>
 #include <linux/stop_machine.h>

drivers/gpu/drm/i915/i915_gem_batch_pool.c

···
 	list_for_each_entry(obj, list, batch_pool_link) {
 		/* The batches are strictly LRU ordered */
 		if (i915_gem_object_is_active(obj)) {
-			struct reservation_object *resv = obj->base.resv;
+			struct dma_resv *resv = obj->base.resv;
 
-			if (!reservation_object_test_signaled_rcu(resv, true))
+			if (!dma_resv_test_signaled_rcu(resv, true))
 				break;
 
 			i915_retire_requests(pool->engine->i915);
···
 			 * than replace the existing fence.
 			 */
 			if (rcu_access_pointer(resv->fence)) {
-				reservation_object_lock(resv, NULL);
-				reservation_object_add_excl_fence(resv, NULL);
-				reservation_object_unlock(resv);
+				dma_resv_lock(resv, NULL);
+				dma_resv_add_excl_fence(resv, NULL);
+				dma_resv_unlock(resv);
 			}
 		}
 
-		GEM_BUG_ON(!reservation_object_test_signaled_rcu(obj->base.resv,
+		GEM_BUG_ON(!dma_resv_test_signaled_rcu(obj->base.resv,
 								 true));
 
 		if (obj->base.size >= size)

drivers/gpu/drm/i915/i915_request.c

···
 		struct dma_fence **shared;
 		unsigned int count, i;
 
-		ret = reservation_object_get_fences_rcu(obj->base.resv,
+		ret = dma_resv_get_fences_rcu(obj->base.resv,
 							&excl, &count, &shared);
 		if (ret)
 			return ret;
···
 			dma_fence_put(shared[i]);
 		kfree(shared);
 	} else {
-		excl = reservation_object_get_excl_rcu(obj->base.resv);
+		excl = dma_resv_get_excl_rcu(obj->base.resv);
 	}
 
 	if (excl) {

drivers/gpu/drm/i915/i915_sw_fence.c

···
 #include <linux/slab.h>
 #include <linux/dma-fence.h>
 #include <linux/irq_work.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 #include "i915_sw_fence.h"
 #include "i915_selftest.h"
···
 }
 
 int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
-				    struct reservation_object *resv,
+				    struct dma_resv *resv,
 				    const struct dma_fence_ops *exclude,
 				    bool write,
 				    unsigned long timeout,
···
 		struct dma_fence **shared;
 		unsigned int count, i;
 
-		ret = reservation_object_get_fences_rcu(resv,
+		ret = dma_resv_get_fences_rcu(resv,
 							&excl, &count, &shared);
 		if (ret)
 			return ret;
···
 			dma_fence_put(shared[i]);
 		kfree(shared);
 	} else {
-		excl = reservation_object_get_excl_rcu(resv);
+		excl = dma_resv_get_excl_rcu(resv);
 	}
 
 	if (ret >= 0 && excl && excl->ops != exclude) {

drivers/gpu/drm/i915/i915_sw_fence.h

···
 #include <linux/wait.h>
 
 struct completion;
-struct reservation_object;
+struct dma_resv;
 
 struct i915_sw_fence {
 	wait_queue_head_t wait;
···
 				  gfp_t gfp);
 
 int i915_sw_fence_await_reservation(struct i915_sw_fence *fence,
-				    struct reservation_object *resv,
+				    struct dma_resv *resv,
 				    const struct dma_fence_ops *exclude,
 				    bool write,
 				    unsigned long timeout,

drivers/gpu/drm/i915/i915_vma.c

···
 		return;
 
 	/* Prune the shared fence arrays iff completely idle (inc. external) */
-	if (reservation_object_trylock(obj->base.resv)) {
-		if (reservation_object_test_signaled_rcu(obj->base.resv, true))
-			reservation_object_add_excl_fence(obj->base.resv, NULL);
-		reservation_object_unlock(obj->base.resv);
+	if (dma_resv_trylock(obj->base.resv)) {
+		if (dma_resv_test_signaled_rcu(obj->base.resv, true))
+			dma_resv_add_excl_fence(obj->base.resv, NULL);
+		dma_resv_unlock(obj->base.resv);
 	}
 
 	/*
···
 			 struct i915_request *rq,
 			 unsigned int flags)
 {
-	struct reservation_object *resv = vma->resv;
+	struct dma_resv *resv = vma->resv;
 
 	/*
 	 * Ignore errors from failing to allocate the new fence, we can't
···
 	 * synchronisation leading to rendering corruption.
 	 */
 	if (flags & EXEC_OBJECT_WRITE)
-		reservation_object_add_excl_fence(resv, &rq->fence);
-	else if (reservation_object_reserve_shared(resv, 1) == 0)
-		reservation_object_add_shared_fence(resv, &rq->fence);
+		dma_resv_add_excl_fence(resv, &rq->fence);
+	else if (dma_resv_reserve_shared(resv, 1) == 0)
+		dma_resv_add_shared_fence(resv, &rq->fence);
 }
 
 int i915_vma_move_to_active(struct i915_vma *vma,

drivers/gpu/drm/i915/i915_vma.h

···
 	struct i915_address_space *vm;
 	const struct i915_vma_ops *ops;
 	struct i915_fence_reg *fence;
-	struct reservation_object *resv; /** Alias of obj->resv */
+	struct dma_resv *resv; /** Alias of obj->resv */
 	struct sg_table *pages;
 	void __iomem *iomap;
 	void *private; /* owned by creator */
···
 void i915_vma_reopen(struct i915_vma *vma);
 void i915_vma_destroy(struct i915_vma *vma);
 
-#define assert_vma_held(vma) reservation_object_assert_held((vma)->resv)
+#define assert_vma_held(vma) dma_resv_assert_held((vma)->resv)
 
 static inline void i915_vma_lock(struct i915_vma *vma)
 {
-	reservation_object_lock(vma->resv, NULL);
+	dma_resv_lock(vma->resv, NULL);
 }
 
 static inline void i915_vma_unlock(struct i915_vma *vma)
 {
-	reservation_object_unlock(vma->resv);
+	dma_resv_unlock(vma->resv);
 }
 
 int __i915_vma_do_pin(struct i915_vma *vma,

drivers/gpu/drm/lima/lima_gem.c

···
 	int err = 0;
 
 	if (!write) {
-		err = reservation_object_reserve_shared(bo->gem.resv, 1);
+		err = dma_resv_reserve_shared(bo->gem.resv, 1);
 		if (err)
 			return err;
 	}
···
 
 	for (i = 0; i < submit->nr_bos; i++) {
 		if (submit->bos[i].flags & LIMA_SUBMIT_BO_WRITE)
-			reservation_object_add_excl_fence(bos[i]->gem.resv, fence);
+			dma_resv_add_excl_fence(bos[i]->gem.resv, fence);
 		else
-			reservation_object_add_shared_fence(bos[i]->gem.resv, fence);
+			dma_resv_add_shared_fence(bos[i]->gem.resv, fence);
 	}
 
 	lima_gem_unlock_bos(bos, submit->nr_bos, &ctx);
···
 
 	timeout = drm_timeout_abs_to_jiffies(timeout_ns);
 
-	ret = drm_gem_reservation_object_wait(file, handle, write, timeout);
+	ret = drm_gem_dma_resv_wait(file, handle, write, timeout);
 	if (ret == 0)
 		ret = timeout ? -ETIMEDOUT : -EBUSY;
 

drivers/gpu/drm/mediatek/mtk_drm_fb.c

···
  */
 
 #include <linux/dma-buf.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 #include <drm/drm_modeset_helper.h>
 #include <drm/drm_fb_helper.h>

drivers/gpu/drm/msm/msm_gem.c

···
 int msm_gem_sync_object(struct drm_gem_object *obj,
 		struct msm_fence_context *fctx, bool exclusive)
 {
-	struct reservation_object_list *fobj;
+	struct dma_resv_list *fobj;
 	struct dma_fence *fence;
 	int i, ret;
 
-	fobj = reservation_object_get_list(obj->resv);
+	fobj = dma_resv_get_list(obj->resv);
 	if (!fobj || (fobj->shared_count == 0)) {
-		fence = reservation_object_get_excl(obj->resv);
+		fence = dma_resv_get_excl(obj->resv);
 		/* don't need to wait on our own fences, since ring is fifo */
 		if (fence && (fence->context != fctx->context)) {
 			ret = dma_fence_wait(fence, true);
···
 
 	for (i = 0; i < fobj->shared_count; i++) {
 		fence = rcu_dereference_protected(fobj->shared[i],
-						reservation_object_held(obj->resv));
+						dma_resv_held(obj->resv));
 		if (fence->context != fctx->context) {
 			ret = dma_fence_wait(fence, true);
 			if (ret)
···
 	WARN_ON(msm_obj->madv != MSM_MADV_WILLNEED);
 	msm_obj->gpu = gpu;
 	if (exclusive)
-		reservation_object_add_excl_fence(obj->resv, fence);
+		dma_resv_add_excl_fence(obj->resv, fence);
 	else
-		reservation_object_add_shared_fence(obj->resv, fence);
+		dma_resv_add_shared_fence(obj->resv, fence);
 	list_del_init(&msm_obj->mm_list);
 	list_add_tail(&msm_obj->mm_list, &gpu->active_list);
 }
···
 		op & MSM_PREP_NOSYNC ? 0 : timeout_to_jiffies(timeout);
 	long ret;
 
-	ret = reservation_object_wait_timeout_rcu(obj->resv, write,
+	ret = dma_resv_wait_timeout_rcu(obj->resv, write,
 						  true,  remain);
 	if (ret == 0)
 		return remain == 0 ? -EBUSY : -ETIMEDOUT;
···
 void msm_gem_describe(struct drm_gem_object *obj, struct seq_file *m)
 {
 	struct msm_gem_object *msm_obj = to_msm_bo(obj);
-	struct reservation_object *robj = obj->resv;
-	struct reservation_object_list *fobj;
+	struct dma_resv *robj = obj->resv;
+	struct dma_resv_list *fobj;
 	struct dma_fence *fence;
 	struct msm_gem_vma *vma;
 	uint64_t off = drm_vma_node_start(&obj->vma_node);

drivers/gpu/drm/msm/msm_gem.h

···
 #define __MSM_GEM_H__
 
 #include <linux/kref.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include "msm_drv.h"
 
 /* Additional internal-use only BO flags: */

drivers/gpu/drm/msm/msm_gem_submit.c

···
 			 * strange place to call it.  OTOH this is a
 			 * convenient can-fail point to hook it in.
 			 */
-			ret = reservation_object_reserve_shared(msm_obj->base.resv,
+			ret = dma_resv_reserve_shared(msm_obj->base.resv,
 								1);
 			if (ret)
 				return ret;

drivers/gpu/drm/mxsfb/mxsfb_drv.c

···
 #include <linux/of_graph.h>
 #include <linux/of_reserved_mem.h>
 #include <linux/pm_runtime.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <linux/spinlock.h>
 
 #include <drm/drm_atomic.h>

drivers/gpu/drm/nouveau/dispnv50/wndw.c

···
 		asyw->image.handle[0] = ctxdma->object.handle;
 	}
 
-	asyw->state.fence = reservation_object_get_excl_rcu(fb->nvbo->bo.base.resv);
+	asyw->state.fence = dma_resv_get_excl_rcu(fb->nvbo->bo.base.resv);
 	asyw->image.offset[0] = fb->nvbo->bo.offset;
 
 	if (wndw->func->prepare) {

drivers/gpu/drm/nouveau/nouveau_bo.c

···
 int
 nouveau_bo_new(struct nouveau_cli *cli, u64 size, int align,
 	       uint32_t flags, uint32_t tile_mode, uint32_t tile_flags,
-	       struct sg_table *sg, struct reservation_object *robj,
+	       struct sg_table *sg, struct dma_resv *robj,
 	       struct nouveau_bo **pnvbo)
 {
 	struct nouveau_drm *drm = cli->drm;
···
 {
 	struct nouveau_drm *drm = nouveau_bdev(bo->bdev);
 	struct drm_device *dev = drm->dev;
-	struct dma_fence *fence = reservation_object_get_excl(bo->base.resv);
+	struct dma_fence *fence = dma_resv_get_excl(bo->base.resv);
 
 	nv10_bo_put_tile_region(dev, *old_tile, fence);
 	*old_tile = new_tile;
···
 void
 nouveau_bo_fence(struct nouveau_bo *nvbo, struct nouveau_fence *fence, bool exclusive)
 {
-	struct reservation_object *resv = nvbo->bo.base.resv;
+	struct dma_resv *resv = nvbo->bo.base.resv;
 
 	if (exclusive)
-		reservation_object_add_excl_fence(resv, &fence->base);
+		dma_resv_add_excl_fence(resv, &fence->base);
 	else if (fence)
-		reservation_object_add_shared_fence(resv, &fence->base);
+		dma_resv_add_shared_fence(resv, &fence->base);
 }
 
 struct ttm_bo_driver nouveau_bo_driver = {

drivers/gpu/drm/nouveau/nouveau_bo.h

···
 void nouveau_bo_move_init(struct nouveau_drm *);
 int  nouveau_bo_new(struct nouveau_cli *, u64 size, int align, u32 flags,
 		    u32 tile_mode, u32 tile_flags, struct sg_table *sg,
-		    struct reservation_object *robj,
+		    struct dma_resv *robj,
 		    struct nouveau_bo **);
 int  nouveau_bo_pin(struct nouveau_bo *, u32 flags, bool contig);
 int  nouveau_bo_unpin(struct nouveau_bo *);

drivers/gpu/drm/nouveau/nouveau_fence.c

···
 {
 	struct nouveau_fence_chan *fctx = chan->fence;
 	struct dma_fence *fence;
-	struct reservation_object *resv = nvbo->bo.base.resv;
-	struct reservation_object_list *fobj;
+	struct dma_resv *resv = nvbo->bo.base.resv;
+	struct dma_resv_list *fobj;
 	struct nouveau_fence *f;
 	int ret = 0, i;
 
 	if (!exclusive) {
-		ret = reservation_object_reserve_shared(resv, 1);
+		ret = dma_resv_reserve_shared(resv, 1);
 
 		if (ret)
 			return ret;
 	}
 
-	fobj = reservation_object_get_list(resv);
-	fence = reservation_object_get_excl(resv);
+	fobj = dma_resv_get_list(resv);
+	fence = dma_resv_get_excl(resv);
 
 	if (fence && (!exclusive || !fobj || !fobj->shared_count)) {
 		struct nouveau_channel *prev = NULL;
···
 		bool must_wait = true;
 
 		fence = rcu_dereference_protected(fobj->shared[i],
-						reservation_object_held(resv));
+						dma_resv_held(resv));
 
 		f = nouveau_local_fence(fence, chan->drm);
 		if (f) {

drivers/gpu/drm/nouveau/nouveau_gem.c

···
 		return -ENOENT;
 	nvbo = nouveau_gem_object(gem);
 
-	lret = reservation_object_wait_timeout_rcu(nvbo->bo.base.resv, write, true,
+	lret = dma_resv_wait_timeout_rcu(nvbo->bo.base.resv, write, true,
 						   no_wait ? 0 : 30 * HZ);
 	if (!lret)
 		ret = -EBUSY;

drivers/gpu/drm/nouveau/nouveau_prime.c

···
 {
 	struct nouveau_drm *drm = nouveau_drm(dev);
 	struct nouveau_bo *nvbo;
-	struct reservation_object *robj = attach->dmabuf->resv;
+	struct dma_resv *robj = attach->dmabuf->resv;
 	u32 flags = 0;
 	int ret;
 
 	flags = TTM_PL_FLAG_TT;
 
-	reservation_object_lock(robj, NULL);
+	dma_resv_lock(robj, NULL);
 	ret = nouveau_bo_new(&drm->client, attach->dmabuf->size, 0, flags, 0, 0,
 			     sg, robj, &nvbo);
-	reservation_object_unlock(robj);
+	dma_resv_unlock(robj);
 	if (ret)
 		return ERR_PTR(ret);
 

drivers/gpu/drm/panfrost/panfrost_drv.c

···
 	if (!gem_obj)
 		return -ENOENT;
 
-	ret = reservation_object_wait_timeout_rcu(gem_obj->resv, true,
+	ret = dma_resv_wait_timeout_rcu(gem_obj->resv, true,
 						  true, timeout);
 	if (!ret)
 		ret = timeout ? -ETIMEDOUT : -EBUSY;

drivers/gpu/drm/panfrost/panfrost_job.c

···
 #include <linux/io.h>
 #include <linux/platform_device.h>
 #include <linux/pm_runtime.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 #include <drm/gpu_scheduler.h>
 #include <drm/panfrost_drm.h>
 
···
 	int i;
 
 	for (i = 0; i < bo_count; i++)
-		implicit_fences[i] = reservation_object_get_excl_rcu(bos[i]->resv);
+		implicit_fences[i] = dma_resv_get_excl_rcu(bos[i]->resv);
 }
 
 static void panfrost_attach_object_fences(struct drm_gem_object **bos,
···
 	int i;
 
 	for (i = 0; i < bo_count; i++)
-		reservation_object_add_excl_fence(bos[i]->resv, fence);
+		dma_resv_add_excl_fence(bos[i]->resv, fence);
 }
 
 int panfrost_job_push(struct panfrost_job *job)

drivers/gpu/drm/qxl/qxl_debugfs.c

···
 	struct qxl_bo *bo;
 
 	list_for_each_entry(bo, &qdev->gem.objects, list) {
-		struct reservation_object_list *fobj;
+		struct dma_resv_list *fobj;
 		int rel;
 
 		rcu_read_lock();

drivers/gpu/drm/qxl/qxl_release.c

···
 			return ret;
 	}
 
-	ret = reservation_object_reserve_shared(bo->tbo.base.resv, 1);
+	ret = dma_resv_reserve_shared(bo->tbo.base.resv, 1);
 	if (ret)
 		return ret;
 
···
 	list_for_each_entry(entry, &release->bos, head) {
 		bo = entry->bo;
 
-		reservation_object_add_shared_fence(bo->base.resv, &release->base);
+		dma_resv_add_shared_fence(bo->base.resv, &release->base);
 		ttm_bo_add_to_lru(bo);
-		reservation_object_unlock(bo->base.resv);
+		dma_resv_unlock(bo->base.resv);
 	}
 	spin_unlock(&glob->lru_lock);
 	ww_acquire_fini(&release->ticket);

drivers/gpu/drm/radeon/cik.c

···
 struct radeon_fence *cik_copy_cpdma(struct radeon_device *rdev,
 				    uint64_t src_offset, uint64_t dst_offset,
 				    unsigned num_gpu_pages,
-				    struct reservation_object *resv)
+				    struct dma_resv *resv)
 {
 	struct radeon_fence *fence;
 	struct radeon_sync sync;

drivers/gpu/drm/radeon/cik_sdma.c

···
 struct radeon_fence *cik_copy_dma(struct radeon_device *rdev,
 				  uint64_t src_offset, uint64_t dst_offset,
 				  unsigned num_gpu_pages,
-				  struct reservation_object *resv)
+				  struct dma_resv *resv)
 {
 	struct radeon_fence *fence;
 	struct radeon_sync sync;

drivers/gpu/drm/radeon/evergreen_dma.c

···
 					uint64_t src_offset,
 					uint64_t dst_offset,
 					unsigned num_gpu_pages,
-					struct reservation_object *resv)
+					struct dma_resv *resv)
 {
 	struct radeon_fence *fence;
 	struct radeon_sync sync;

drivers/gpu/drm/radeon/r100.c

···
 				    uint64_t src_offset,
 				    uint64_t dst_offset,
 				    unsigned num_gpu_pages,
-				    struct reservation_object *resv)
+				    struct dma_resv *resv)
 {
 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 	struct radeon_fence *fence;

drivers/gpu/drm/radeon/r200.c

···
 				   uint64_t src_offset,
 				   uint64_t dst_offset,
 				   unsigned num_gpu_pages,
-				   struct reservation_object *resv)
+				   struct dma_resv *resv)
 {
 	struct radeon_ring *ring = &rdev->ring[RADEON_RING_TYPE_GFX_INDEX];
 	struct radeon_fence *fence;

drivers/gpu/drm/radeon/r600.c

···
 struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev,
 				     uint64_t src_offset, uint64_t dst_offset,
 				     unsigned num_gpu_pages,
-				     struct reservation_object *resv)
+				     struct dma_resv *resv)
 {
 	struct radeon_fence *fence;
 	struct radeon_sync sync;

drivers/gpu/drm/radeon/r600_dma.c

···
 struct radeon_fence *r600_copy_dma(struct radeon_device *rdev,
 				   uint64_t src_offset, uint64_t dst_offset,
 				   unsigned num_gpu_pages,
-				   struct reservation_object *resv)
+				   struct dma_resv *resv)
 {
 	struct radeon_fence *fence;
 	struct radeon_sync sync;

drivers/gpu/drm/radeon/radeon.h

···
 		       struct radeon_fence *fence);
 int radeon_sync_resv(struct radeon_device *rdev,
 		     struct radeon_sync *sync,
-		     struct reservation_object *resv,
+		     struct dma_resv *resv,
 		     bool shared);
 int radeon_sync_rings(struct radeon_device *rdev,
 		      struct radeon_sync *sync,
···
 					     uint64_t src_offset,
 					     uint64_t dst_offset,
 					     unsigned num_gpu_pages,
-					     struct reservation_object *resv);
+					     struct dma_resv *resv);
 		u32 blit_ring_index;
 		struct radeon_fence *(*dma)(struct radeon_device *rdev,
 					    uint64_t src_offset,
 					    uint64_t dst_offset,
 					    unsigned num_gpu_pages,
-					    struct reservation_object *resv);
+					    struct dma_resv *resv);
 		u32 dma_ring_index;
 		/* method used for bo copy */
 		struct radeon_fence *(*copy)(struct radeon_device *rdev,
 					     uint64_t src_offset,
 					     uint64_t dst_offset,
 					     unsigned num_gpu_pages,
-					     struct reservation_object *resv);
+					     struct dma_resv *resv);
 		/* ring used for bo copies */
 		u32 copy_ring_index;
 	} copy;

drivers/gpu/drm/radeon/radeon_asic.h

···
 				    uint64_t src_offset,
 				    uint64_t dst_offset,
 				    unsigned num_gpu_pages,
-				    struct reservation_object *resv);
+				    struct dma_resv *resv);
 int r100_set_surface_reg(struct radeon_device *rdev, int reg,
 			 uint32_t tiling_flags, uint32_t pitch,
 			 uint32_t offset, uint32_t obj_size);
···
 				   uint64_t src_offset,
 				   uint64_t dst_offset,
 				   unsigned num_gpu_pages,
-				   struct reservation_object *resv);
+				   struct dma_resv *resv);
 void r200_set_safe_registers(struct radeon_device *rdev);
 
 /*
···
 struct radeon_fence *r600_copy_cpdma(struct radeon_device *rdev,
 				     uint64_t src_offset, uint64_t dst_offset,
 				     unsigned num_gpu_pages,
-				     struct reservation_object *resv);
+				     struct dma_resv *resv);
 struct radeon_fence *r600_copy_dma(struct radeon_device *rdev,
 				   uint64_t src_offset, uint64_t dst_offset,
 				   unsigned num_gpu_pages,
-				   struct reservation_object *resv);
+				   struct dma_resv *resv);
 void r600_hpd_init(struct radeon_device *rdev);
 void r600_hpd_fini(struct radeon_device *rdev);
 bool r600_hpd_sense(struct radeon_device *rdev, enum radeon_hpd_id hpd);
···
 struct radeon_fence *rv770_copy_dma(struct radeon_device *rdev,
 				    uint64_t src_offset, uint64_t dst_offset,
 				    unsigned num_gpu_pages,
-				    struct reservation_object *resv);
+				    struct dma_resv *resv);
 u32 rv770_get_xclk(struct radeon_device *rdev);
 int rv770_set_uvd_clocks(struct radeon_device *rdev, u32 vclk, u32 dclk);
 int rv770_get_temp(struct radeon_device *rdev);
···
 struct radeon_fence *evergreen_copy_dma(struct radeon_device *rdev,
 					uint64_t src_offset, uint64_t dst_offset,
 					unsigned num_gpu_pages,
-					struct reservation_object *resv);
+					struct dma_resv *resv);
 int evergreen_get_temp(struct radeon_device *rdev);
 int evergreen_get_allowed_info_register(struct radeon_device *rdev,
 					u32 reg, u32 *val);
···
 struct radeon_fence *si_copy_dma(struct radeon_device *rdev,
 				 uint64_t src_offset, uint64_t dst_offset,
 				 unsigned num_gpu_pages,
-				 struct reservation_object *resv);
+				 struct dma_resv *resv);
 
 void si_dma_vm_copy_pages(struct radeon_device *rdev,
 			  struct radeon_ib *ib,
···
 struct radeon_fence *cik_copy_dma(struct radeon_device *rdev,
 				  uint64_t src_offset, uint64_t dst_offset,
 				  unsigned num_gpu_pages,
-				  struct reservation_object *resv);
+				  struct dma_resv *resv);
 struct radeon_fence *cik_copy_cpdma(struct radeon_device *rdev,
 				    uint64_t src_offset, uint64_t dst_offset,
 				    unsigned num_gpu_pages,
-				    struct reservation_object *resv);
+				    struct dma_resv *resv);
 int cik_sdma_ring_test(struct radeon_device *rdev, struct radeon_ring *ring);
 int cik_sdma_ib_test(struct radeon_device *rdev, struct radeon_ring *ring);
 bool cik_sdma_is_lockup(struct radeon_device *rdev, struct radeon_ring *ring);

drivers/gpu/drm/radeon/radeon_benchmark.c

···
 static int radeon_benchmark_do_move(struct radeon_device *rdev, unsigned size,
 				    uint64_t saddr, uint64_t daddr,
 				    int flag, int n,
-				    struct reservation_object *resv)
+				    struct dma_resv *resv)
 {
 	unsigned long start_jiffies;
 	unsigned long end_jiffies;

drivers/gpu/drm/radeon/radeon_cs.c

···
 	int r;
 
 	list_for_each_entry(reloc, &p->validated, tv.head) {
-		struct reservation_object *resv;
+		struct dma_resv *resv;
 
 		resv = reloc->robj->tbo.base.resv;
 		r = radeon_sync_resv(p->rdev, &p->ib.sync, resv,

drivers/gpu/drm/radeon/radeon_display.c

···
 		DRM_ERROR("failed to pin new rbo buffer before flip\n");
 		goto cleanup;
 	}
-	work->fence = dma_fence_get(reservation_object_get_excl(new_rbo->tbo.base.resv));
+	work->fence = dma_fence_get(dma_resv_get_excl(new_rbo->tbo.base.resv));
 	radeon_bo_get_tiling_flags(new_rbo, &tiling_flags, NULL);
 	radeon_bo_unreserve(new_rbo);
 

drivers/gpu/drm/radeon/radeon_gem.c

···
 	}
 	if (domain == RADEON_GEM_DOMAIN_CPU) {
 		/* Asking for cpu access wait for object idle */
-		r = reservation_object_wait_timeout_rcu(robj->tbo.base.resv, true, true, 30 * HZ);
+		r = dma_resv_wait_timeout_rcu(robj->tbo.base.resv, true, true, 30 * HZ);
 		if (!r)
 			r = -EBUSY;
 
···
 	}
 	robj = gem_to_radeon_bo(gobj);
 
-	r = reservation_object_test_signaled_rcu(robj->tbo.base.resv, true);
+	r = dma_resv_test_signaled_rcu(robj->tbo.base.resv, true);
 	if (r == 0)
 		r = -EBUSY;
 	else
···
 	}
 	robj = gem_to_radeon_bo(gobj);
 
-	ret = reservation_object_wait_timeout_rcu(robj->tbo.base.resv, true, true, 30 * HZ);
+	ret = dma_resv_wait_timeout_rcu(robj->tbo.base.resv, true, true, 30 * HZ);
 	if (ret == 0)
 		r = -EBUSY;
 	else if (ret < 0)

drivers/gpu/drm/radeon/radeon_mn.c

···
 				continue;
 			}
 
-			r = reservation_object_wait_timeout_rcu(bo->tbo.base.resv,
+			r = dma_resv_wait_timeout_rcu(bo->tbo.base.resv,
 				true, false, MAX_SCHEDULE_TIMEOUT);
 			if (r <= 0)
 				DRM_ERROR("(%ld) failed to wait for user bo\n", r);

drivers/gpu/drm/radeon/radeon_object.c

···
 int radeon_bo_create(struct radeon_device *rdev,
 		     unsigned long size, int byte_align, bool kernel,
 		     u32 domain, u32 flags, struct sg_table *sg,
-		     struct reservation_object *resv,
+		     struct dma_resv *resv,
 		     struct radeon_bo **bo_ptr)
 {
 	struct radeon_bo *bo;
···
 	int steal;
 	int i;
 
-	reservation_object_assert_held(bo->tbo.base.resv);
+	dma_resv_assert_held(bo->tbo.base.resv);
 
 	if (!bo->tiling_flags)
 		return 0;
···
 				uint32_t *tiling_flags,
 				uint32_t *pitch)
 {
-	reservation_object_assert_held(bo->tbo.base.resv);
+	dma_resv_assert_held(bo->tbo.base.resv);
 
 	if (tiling_flags)
 		*tiling_flags = bo->tiling_flags;
···
 				bool force_drop)
 {
 	if (!force_drop)
-		reservation_object_assert_held(bo->tbo.base.resv);
+		dma_resv_assert_held(bo->tbo.base.resv);
 
 	if (!(bo->tiling_flags & RADEON_TILING_SURFACE))
 		return 0;
···
 void radeon_bo_fence(struct radeon_bo *bo, struct radeon_fence *fence,
 		     bool shared)
 {
-	struct reservation_object *resv = bo->tbo.base.resv;
+	struct dma_resv *resv = bo->tbo.base.resv;
 
 	if (shared)
-		reservation_object_add_shared_fence(resv, &fence->base);
+		dma_resv_add_shared_fence(resv, &fence->base);
 	else
-		reservation_object_add_excl_fence(resv, &fence->base);
+		dma_resv_add_excl_fence(resv, &fence->base);
 }

drivers/gpu/drm/radeon/radeon_object.h

···
 			    unsigned long size, int byte_align,
 			    bool kernel, u32 domain, u32 flags,
 			    struct sg_table *sg,
-			    struct reservation_object *resv,
+			    struct dma_resv *resv,
 			    struct radeon_bo **bo_ptr);
 extern int radeon_bo_kmap(struct radeon_bo *bo, void **ptr);
 extern void radeon_bo_kunmap(struct radeon_bo *bo);

drivers/gpu/drm/radeon/radeon_prime.c

···
 							struct dma_buf_attachment *attach,
 							struct sg_table *sg)
 {
-	struct reservation_object *resv = attach->dmabuf->resv;
+	struct dma_resv *resv = attach->dmabuf->resv;
 	struct radeon_device *rdev = dev->dev_private;
 	struct radeon_bo *bo;
 	int ret;
 
-	reservation_object_lock(resv, NULL);
+	dma_resv_lock(resv, NULL);
 	ret = radeon_bo_create(rdev, attach->dmabuf->size, PAGE_SIZE, false,
 			       RADEON_GEM_DOMAIN_GTT, 0, sg, resv, &bo);
-	reservation_object_unlock(resv);
+	dma_resv_unlock(resv);
 	if (ret)
 		return ERR_PTR(ret);
 

drivers/gpu/drm/radeon/radeon_sync.c

···
  */
 int radeon_sync_resv(struct radeon_device *rdev,
 		     struct radeon_sync *sync,
-		     struct reservation_object *resv,
+		     struct dma_resv *resv,
 		     bool shared)
 {
-	struct reservation_object_list *flist;
+	struct dma_resv_list *flist;
 	struct dma_fence *f;
 	struct radeon_fence *fence;
 	unsigned i;
 	int r = 0;
 
 	/* always sync to the exclusive fence */
-	f = reservation_object_get_excl(resv);
+	f = dma_resv_get_excl(resv);
 	fence = f ? to_radeon_fence(f) : NULL;
 	if (fence && fence->rdev == rdev)
 		radeon_sync_fence(sync, fence);
 	else if (f)
 		r = dma_fence_wait(f, true);
 
-	flist = reservation_object_get_list(resv);
+	flist = dma_resv_get_list(resv);
 	if (shared || !flist || r)
 		return r;
 
 	for (i = 0; i < flist->shared_count; ++i) {
 		f = rcu_dereference_protected(flist->shared[i],
-					      reservation_object_held(resv));
+					      dma_resv_held(resv));
 		fence = to_radeon_fence(f);
 		if (fence && fence->rdev == rdev)
 			radeon_sync_fence(sync, fence);

drivers/gpu/drm/radeon/radeon_uvd.c

···
 		return -EINVAL;
 	}
 
-	f = reservation_object_get_excl(bo->tbo.base.resv);
+	f = dma_resv_get_excl(bo->tbo.base.resv);
 	if (f) {
 		r = radeon_fence_wait((struct radeon_fence *)f, false);
 		if (r) {

drivers/gpu/drm/radeon/radeon_vm.c

···
 		int r;
 
 		radeon_sync_resv(rdev, &ib->sync, pt->tbo.base.resv, true);
-		r = reservation_object_reserve_shared(pt->tbo.base.resv, 1);
+		r = dma_resv_reserve_shared(pt->tbo.base.resv, 1);
 		if (r)
 			return r;
 

drivers/gpu/drm/radeon/rv770_dma.c

···
 struct radeon_fence *rv770_copy_dma(struct radeon_device *rdev,
 				    uint64_t src_offset, uint64_t dst_offset,
 				    unsigned num_gpu_pages,
-				    struct reservation_object *resv)
+				    struct dma_resv *resv)
 {
 	struct radeon_fence *fence;
 	struct radeon_sync sync;

drivers/gpu/drm/radeon/si_dma.c

···
 struct radeon_fence *si_copy_dma(struct radeon_device *rdev,
 				 uint64_t src_offset, uint64_t dst_offset,
 				 unsigned num_gpu_pages,
-				 struct reservation_object *resv)
+				 struct dma_resv *resv)
 {
 	struct radeon_fence *fence;
 	struct radeon_sync sync;

drivers/gpu/drm/ttm/ttm_bo.c

···
 #include <linux/file.h>
 #include <linux/module.h>
 #include <linux/atomic.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 static void ttm_bo_global_kobj_release(struct kobject *kobj);
 
···
 	atomic_dec(&bo->bdev->glob->bo_count);
 	dma_fence_put(bo->moving);
 	if (!ttm_bo_uses_embedded_gem_object(bo))
-		reservation_object_fini(&bo->base._resv);
+		dma_resv_fini(&bo->base._resv);
 	mutex_destroy(&bo->wu_mutex);
 	bo->destroy(bo);
 	ttm_mem_global_free(bdev->glob->mem_glob, acc_size);
···
 	struct ttm_bo_device *bdev = bo->bdev;
 	struct ttm_mem_type_manager *man;
 
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 
 	if (!list_empty(&bo->lru))
 		return;
···
 void ttm_bo_move_to_lru_tail(struct ttm_buffer_object *bo,
 			     struct ttm_lru_bulk_move *bulk)
 {
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 
 	ttm_bo_del_from_lru(bo);
 	ttm_bo_add_to_lru(bo);
···
 		if (!pos->first)
 			continue;
 
-		reservation_object_assert_held(pos->first->base.resv);
-		reservation_object_assert_held(pos->last->base.resv);
+		dma_resv_assert_held(pos->first->base.resv);
+		dma_resv_assert_held(pos->last->base.resv);
 
 		man = &pos->first->bdev->man[TTM_PL_TT];
 		list_bulk_move_tail(&man->lru[i], &pos->first->lru,
···
 		if (!pos->first)
 			continue;
 
-		reservation_object_assert_held(pos->first->base.resv);
-		reservation_object_assert_held(pos->last->base.resv);
+		dma_resv_assert_held(pos->first->base.resv);
+		dma_resv_assert_held(pos->last->base.resv);
 
 		man = &pos->first->bdev->man[TTM_PL_VRAM];
 		list_bulk_move_tail(&man->lru[i], &pos->first->lru,
···
 		if (!pos->first)
 			continue;
 
-		reservation_object_assert_held(pos->first->base.resv);
-		reservation_object_assert_held(pos->last->base.resv);
+		dma_resv_assert_held(pos->first->base.resv);
+		dma_resv_assert_held(pos->last->base.resv);
 
 		lru = &pos->first->bdev->glob->swap_lru[i];
 		list_bulk_move_tail(lru, &pos->first->swap, &pos->last->swap);
···
 	if (bo->base.resv == &bo->base._resv)
 		return 0;
 
-	BUG_ON(!reservation_object_trylock(&bo->base._resv));
+	BUG_ON(!dma_resv_trylock(&bo->base._resv));
 
-	r = reservation_object_copy_fences(&bo->base._resv, bo->base.resv);
+	r = dma_resv_copy_fences(&bo->base._resv, bo->base.resv);
 	if (r)
-		reservation_object_unlock(&bo->base._resv);
+		dma_resv_unlock(&bo->base._resv);
 
 	return r;
 }
 
 static void ttm_bo_flush_all_fences(struct ttm_buffer_object *bo)
 {
-	struct reservation_object_list *fobj;
+	struct dma_resv_list *fobj;
 	struct dma_fence *fence;
 	int i;
 
-	fobj = reservation_object_get_list(&bo->base._resv);
-	fence = reservation_object_get_excl(&bo->base._resv);
+	fobj = dma_resv_get_list(&bo->base._resv);
+	fence = dma_resv_get_excl(&bo->base._resv);
 	if (fence && !fence->ops->signaled)
 		dma_fence_enable_sw_signaling(fence);
 
 	for (i = 0; fobj && i < fobj->shared_count; ++i) {
 		fence = rcu_dereference_protected(fobj->shared[i],
-					reservation_object_held(bo->base.resv));
+					dma_resv_held(bo->base.resv));
 
 		if (!fence->ops->signaled)
 			dma_fence_enable_sw_signaling(fence);
···
 		/* Last resort, if we fail to allocate memory for the
 		 * fences block for the BO to become idle
 		 */
-		reservation_object_wait_timeout_rcu(bo->base.resv, true, false,
+		dma_resv_wait_timeout_rcu(bo->base.resv, true, false,
 						    30 * HZ);
 		spin_lock(&glob->lru_lock);
 		goto error;
 	}
 
 	spin_lock(&glob->lru_lock);
-	ret = reservation_object_trylock(bo->base.resv) ? 0 : -EBUSY;
+	ret = dma_resv_trylock(bo->base.resv) ? 0 : -EBUSY;
 	if (!ret) {
-		if (reservation_object_test_signaled_rcu(&bo->base._resv, true)) {
+		if (dma_resv_test_signaled_rcu(&bo->base._resv, true)) {
 			ttm_bo_del_from_lru(bo);
 			spin_unlock(&glob->lru_lock);
 			if (bo->base.resv != &bo->base._resv)
-				reservation_object_unlock(&bo->base._resv);
+				dma_resv_unlock(&bo->base._resv);
 
 			ttm_bo_cleanup_memtype_use(bo);
-			reservation_object_unlock(bo->base.resv);
+			dma_resv_unlock(bo->base.resv);
 			return;
 		}
 
···
 			ttm_bo_add_to_lru(bo);
 		}
 
-		reservation_object_unlock(bo->base.resv);
+		dma_resv_unlock(bo->base.resv);
 	}
 	if (bo->base.resv != &bo->base._resv)
-		reservation_object_unlock(&bo->base._resv);
+		dma_resv_unlock(&bo->base._resv);
 
 error:
 	kref_get(&bo->list_kref);
···
 			       bool unlock_resv)
 {
 	struct ttm_bo_global *glob = bo->bdev->glob;
-	struct reservation_object *resv;
+	struct dma_resv *resv;
 	int ret;
 
 	if (unlikely(list_empty(&bo->ddestroy)))
···
 	else
 		resv = &bo->base._resv;
 
-	if (reservation_object_test_signaled_rcu(resv, true))
+	if (dma_resv_test_signaled_rcu(resv, true))
 		ret = 0;
 	else
 		ret = -EBUSY;
···
 		long lret;
 
 		if (unlock_resv)
-			reservation_object_unlock(bo->base.resv);
+			dma_resv_unlock(bo->base.resv);
 		spin_unlock(&glob->lru_lock);
 
-		lret = reservation_object_wait_timeout_rcu(resv, true,
+		lret = dma_resv_wait_timeout_rcu(resv, true,
 							   interruptible,
 							   30 * HZ);
 
···
 			return -EBUSY;
 
 		spin_lock(&glob->lru_lock);
-		if (unlock_resv && !reservation_object_trylock(bo->base.resv)) {
+		if (unlock_resv && !dma_resv_trylock(bo->base.resv)) {
 			/*
 			 * We raced, and lost, someone else holds the reservation now,
 			 * and is probably busy in ttm_bo_cleanup_memtype_use.
···
 
 	if (ret || unlikely(list_empty(&bo->ddestroy))) {
 		if (unlock_resv)
-			reservation_object_unlock(bo->base.resv);
+			dma_resv_unlock(bo->base.resv);
 		spin_unlock(&glob->lru_lock);
 		return ret;
 	}
···
 	ttm_bo_cleanup_memtype_use(bo);
 
 	if (unlock_resv)
-		reservation_object_unlock(bo->base.resv);
+		dma_resv_unlock(bo->base.resv);
 
 	return 0;
 }
···
 
 		if (remove_all || bo->base.resv != &bo->base._resv) {
 			spin_unlock(&glob->lru_lock);
-			reservation_object_lock(bo->base.resv, NULL);
+			dma_resv_lock(bo->base.resv, NULL);
 
 			spin_lock(&glob->lru_lock);
 			ttm_bo_cleanup_refs(bo, false, !remove_all, true);
 
-		} else if (reservation_object_trylock(bo->base.resv)) {
+		} else if (dma_resv_trylock(bo->base.resv)) {
 			ttm_bo_cleanup_refs(bo, false, !remove_all, true);
 		} else {
 			spin_unlock(&glob->lru_lock);
···
 	struct ttm_placement placement;
 	int ret = 0;
 
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 
 	placement.num_placement = 0;
 	placement.num_busy_placement = 0;
···
 	bool ret = false;
 
 	if (bo->base.resv == ctx->resv) {
-		reservation_object_assert_held(bo->base.resv);
+		dma_resv_assert_held(bo->base.resv);
 		if (ctx->flags & TTM_OPT_FLAG_ALLOW_RES_EVICT
 		    || !list_empty(&bo->ddestroy))
 			ret = true;
···
 		if (busy)
 			*busy = false;
 	} else {
-		ret = reservation_object_trylock(bo->base.resv);
+		ret = dma_resv_trylock(bo->base.resv);
 		*locked = ret;
 		if (busy)
 			*busy = !ret;
···
 		return -EBUSY;
 
 	if (ctx->interruptible)
-		r = reservation_object_lock_interruptible(busy_bo->base.resv,
+		r = dma_resv_lock_interruptible(busy_bo->base.resv,
 							  ticket);
 	else
-		r = reservation_object_lock(busy_bo->base.resv, ticket);
+		r = dma_resv_lock(busy_bo->base.resv, ticket);
 
 	/*
 	 * TODO: It would be better to keep the BO locked until allocation is at
···
 	 * of TTM.
 	 */
 	if (!r)
-		reservation_object_unlock(busy_bo->base.resv);
+		dma_resv_unlock(busy_bo->base.resv);
 
 	return r == -EDEADLK ? -EBUSY : r;
 }
···
 			if (!ttm_bo_evict_swapout_allowable(bo, ctx, &locked,
 							    &busy)) {
 				if (busy && !busy_bo && ticket !=
-				    reservation_object_locking_ctx(bo->base.resv))
+				    dma_resv_locking_ctx(bo->base.resv))
 					busy_bo = bo;
 				continue;
 			}
···
 			if (place && !bdev->driver->eviction_valuable(bo,
 								      place)) {
 				if (locked)
-					reservation_object_unlock(bo->base.resv);
+					dma_resv_unlock(bo->base.resv);
 				continue;
 			}
 			break;
···
 	spin_unlock(&man->move_lock);
 
 	if (fence) {
-		reservation_object_add_shared_fence(bo->base.resv, fence);
+		dma_resv_add_shared_fence(bo->base.resv, fence);
 
-		ret = reservation_object_reserve_shared(bo->base.resv, 1);
+		ret = dma_resv_reserve_shared(bo->base.resv, 1);
 		if (unlikely(ret)) {
 			dma_fence_put(fence);
 			return ret;
···
 	struct ww_acquire_ctx *ticket;
 	int ret;
 
-	ticket = reservation_object_locking_ctx(bo->base.resv);
+	ticket = dma_resv_locking_ctx(bo->base.resv);
 	do {
 		ret = (*man->func->get_node)(man, bo, place, mem);
 		if (unlikely(ret != 0))
···
 	bool type_found = false;
 	int i, ret;
 
-	ret = reservation_object_reserve_shared(bo->base.resv, 1);
+	ret = dma_resv_reserve_shared(bo->base.resv, 1);
 	if (unlikely(ret))
 		return ret;
 
···
 	int ret = 0;
 	struct ttm_mem_reg mem;
 
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 
 	mem.num_pages = bo->num_pages;
 	mem.size = mem.num_pages << PAGE_SHIFT;
···
 	int ret;
 	uint32_t new_flags;
 
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 	/*
 	 * Check whether we need to move buffer.
 	 */
···
 			 struct ttm_operation_ctx *ctx,
 			 size_t acc_size,
 			 struct sg_table *sg,
-			 struct reservation_object *resv,
+			 struct dma_resv *resv,
 			 void (*destroy) (struct ttm_buffer_object *))
 {
 	int ret = 0;
···
 	bo->sg = sg;
 	if (resv) {
 		bo->base.resv = resv;
-		reservation_object_assert_held(bo->base.resv);
+		dma_resv_assert_held(bo->base.resv);
 	} else {
 		bo->base.resv = &bo->base._resv;
 	}
···
 		 * bo.gem is not initialized, so we have to setup the
 		 * struct elements we want use regardless.
 		 */
-		reservation_object_init(&bo->base._resv);
+		dma_resv_init(&bo->base._resv);
 		drm_vma_node_reset(&bo->base.vma_node);
 	}
 	atomic_inc(&bo->bdev->glob->bo_count);
···
 	 * since otherwise lockdep will be angered in radeon.
 	 */
 	if (!resv) {
-		locked = reservation_object_trylock(bo->base.resv);
+		locked = dma_resv_trylock(bo->base.resv);
 		WARN_ON(!locked);
 	}
 
···
 		bool interruptible,
 		size_t acc_size,
 		struct sg_table *sg,
-		struct reservation_object *resv,
+		struct dma_resv *resv,
 		void (*destroy) (struct ttm_buffer_object *))
 {
 	struct ttm_operation_ctx ctx = { interruptible, false };
···
 	long timeout = 15 * HZ;
 
 	if (no_wait) {
-		if (reservation_object_test_signaled_rcu(bo->base.resv, true))
+		if (dma_resv_test_signaled_rcu(bo->base.resv, true))
 			return 0;
 		else
 			return -EBUSY;
 	}
 
-	timeout = reservation_object_wait_timeout_rcu(bo->base.resv, true,
+	timeout = dma_resv_wait_timeout_rcu(bo->base.resv, true,
 						      interruptible, timeout);
 	if (timeout < 0)
 		return timeout;
···
 	if (timeout == 0)
 		return -EBUSY;
 
-	reservation_object_add_excl_fence(bo->base.resv, NULL);
+	dma_resv_add_excl_fence(bo->base.resv, NULL);
 	return 0;
 }
 EXPORT_SYMBOL(ttm_bo_wait);
···
 	 * already swapped buffer.
 	 */
 	if (locked)
-		reservation_object_unlock(bo->base.resv);
+		dma_resv_unlock(bo->base.resv);
 	kref_put(&bo->list_kref, ttm_bo_release_list);
 	return ret;
 }
···
 	ret = mutex_lock_interruptible(&bo->wu_mutex);
 	if (unlikely(ret != 0))
 		return -ERESTARTSYS;
-	if (!reservation_object_is_locked(bo->base.resv))
+	if (!dma_resv_is_locked(bo->base.resv))
 		goto out_unlock;
-	ret = reservation_object_lock_interruptible(bo->base.resv, NULL);
+	ret = dma_resv_lock_interruptible(bo->base.resv, NULL);
 	if (ret == -EINTR)
 		ret = -ERESTARTSYS;
 	if (unlikely(ret != 0))
 		goto out_unlock;
-	reservation_object_unlock(bo->base.resv);
+	dma_resv_unlock(bo->base.resv);
 
 out_unlock:
 	mutex_unlock(&bo->wu_mutex);

drivers/gpu/drm/ttm/ttm_bo_util.c

···
 #include <linux/slab.h>
 #include <linux/vmalloc.h>
 #include <linux/module.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 struct ttm_transfer_obj {
 	struct ttm_buffer_object base;
···
 	fbo->base.destroy = &ttm_transfered_destroy;
 	fbo->base.acc_size = 0;
 	fbo->base.base.resv = &fbo->base.base._resv;
-	reservation_object_init(fbo->base.base.resv);
-	ret = reservation_object_trylock(fbo->base.base.resv);
+	dma_resv_init(fbo->base.base.resv);
+	ret = dma_resv_trylock(fbo->base.base.resv);
 	WARN_ON(!ret);
 
 	*new_obj = &fbo->base;
···
 	int ret;
 	struct ttm_buffer_object *ghost_obj;
 
-	reservation_object_add_excl_fence(bo->base.resv, fence);
+	dma_resv_add_excl_fence(bo->base.resv, fence);
 	if (evict) {
 		ret = ttm_bo_wait(bo, false, false);
 		if (ret)
···
 		if (ret)
 			return ret;
 
-		reservation_object_add_excl_fence(ghost_obj->base.resv, fence);
+		dma_resv_add_excl_fence(ghost_obj->base.resv, fence);
 
 		/**
 		 * If we're not moving to fixed memory, the TTM object
···
 
 	int ret;
 
-	reservation_object_add_excl_fence(bo->base.resv, fence);
+	dma_resv_add_excl_fence(bo->base.resv, fence);
 
 	if (!evict) {
 		struct ttm_buffer_object *ghost_obj;
···
 		if (ret)
 			return ret;
 
-		reservation_object_add_excl_fence(ghost_obj->base.resv, fence);
+		dma_resv_add_excl_fence(ghost_obj->base.resv, fence);
 
 		/**
 		 * If we're not moving to fixed memory, the TTM object
···
 	if (ret)
 		return ret;
 
-	ret = reservation_object_copy_fences(ghost->base.resv, bo->base.resv);
+	ret = dma_resv_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

···
 		ttm_bo_get(bo);
 		up_read(&vmf->vma->vm_mm->mmap_sem);
 		(void) dma_fence_wait(bo->moving, true);
-		reservation_object_unlock(bo->base.resv);
+		dma_resv_unlock(bo->base.resv);
 		ttm_bo_put(bo);
 		goto out_unlock;
 	}
···
 	 * for reserve, and if it fails, retry the fault after waiting
 	 * for the buffer to become unreserved.
 	 */
-	if (unlikely(!reservation_object_trylock(bo->base.resv))) {
+	if (unlikely(!dma_resv_trylock(bo->base.resv))) {
 		if (vmf->flags & FAULT_FLAG_ALLOW_RETRY) {
 			if (!(vmf->flags & FAULT_FLAG_RETRY_NOWAIT)) {
 				ttm_bo_get(bo);
···
 out_io_unlock:
 	ttm_mem_io_unlock(man);
 out_unlock:
-	reservation_object_unlock(bo->base.resv);
+	dma_resv_unlock(bo->base.resv);
 	return ret;
 }
 

drivers/gpu/drm/ttm/ttm_execbuf_util.c

···
 	list_for_each_entry_continue_reverse(entry, list, head) {
 		struct ttm_buffer_object *bo = entry->bo;
 
-		reservation_object_unlock(bo->base.resv);
+		dma_resv_unlock(bo->base.resv);
 	}
 }
 
···
 
 		if (list_empty(&bo->lru))
 			ttm_bo_add_to_lru(bo);
-		reservation_object_unlock(bo->base.resv);
+		dma_resv_unlock(bo->base.resv);
 	}
 	spin_unlock(&glob->lru_lock);
 
···
 
 		ret = __ttm_bo_reserve(bo, intr, (ticket == NULL), ticket);
 		if (!ret && unlikely(atomic_read(&bo->cpu_writers) > 0)) {
-			reservation_object_unlock(bo->base.resv);
+			dma_resv_unlock(bo->base.resv);
 
 			ret = -EBUSY;
 
···
 			if (!entry->num_shared)
 				continue;
 
-			ret = reservation_object_reserve_shared(bo->base.resv,
+			ret = dma_resv_reserve_shared(bo->base.resv,
 								entry->num_shared);
 			if (!ret)
 				continue;
···
 
 		if (ret == -EDEADLK) {
 			if (intr) {
-				ret = reservation_object_lock_slow_interruptible(bo->base.resv,
+				ret = dma_resv_lock_slow_interruptible(bo->base.resv,
 										 ticket);
 			} else {
-				reservation_object_lock_slow(bo->base.resv, ticket);
+				dma_resv_lock_slow(bo->base.resv, ticket);
 				ret = 0;
 			}
 		}
 
 		if (!ret && entry->num_shared)
-			ret = reservation_object_reserve_shared(bo->base.resv,
+			ret = dma_resv_reserve_shared(bo->base.resv,
 								entry->num_shared);
 
 		if (unlikely(ret != 0)) {
···
 	list_for_each_entry(entry, list, head) {
 		bo = entry->bo;
 		if (entry->num_shared)
-			reservation_object_add_shared_fence(bo->base.resv, fence);
+			dma_resv_add_shared_fence(bo->base.resv, fence);
 		else
-			reservation_object_add_excl_fence(bo->base.resv, fence);
+			dma_resv_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->base.resv);
+		dma_resv_unlock(bo->base.resv);
 	}
 	spin_unlock(&glob->lru_lock);
 	if (ticket)

drivers/gpu/drm/ttm/ttm_tt.c

···
 	struct ttm_bo_device *bdev = bo->bdev;
 	uint32_t page_flags = 0;
 
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 
 	if (bdev->need_dma32)
 		page_flags |= TTM_PAGE_FLAG_DMA32;

drivers/gpu/drm/v3d/v3d_gem.c

···
 	if (args->pad != 0)
 		return -EINVAL;
 
-	ret = drm_gem_reservation_object_wait(file_priv, args->handle,
+	ret = drm_gem_dma_resv_wait(file_priv, args->handle,
 					      true, timeout_jiffies);
 
 	/* Decrement the user's timeout, in case we got interrupted
···
 
 	for (i = 0; i < job->bo_count; i++) {
 		/* XXX: Use shared fences for read-only objects. */
-		reservation_object_add_excl_fence(job->bo[i]->resv,
+		dma_resv_add_excl_fence(job->bo[i]->resv,
 						  job->done_fence);
 	}
 

drivers/gpu/drm/vc4/vc4_gem.c

···
 		bo = to_vc4_bo(&exec->bo[i]->base);
 		bo->seqno = seqno;
 
-		reservation_object_add_shared_fence(bo->base.base.resv, exec->fence);
+		dma_resv_add_shared_fence(bo->base.base.resv, exec->fence);
 	}
 
 	list_for_each_entry(bo, &exec->unref_list, unref_head) {
···
 		bo = to_vc4_bo(&exec->rcl_write_bo[i]->base);
 		bo->write_seqno = seqno;
 
-		reservation_object_add_excl_fence(bo->base.base.resv, exec->fence);
+		dma_resv_add_excl_fence(bo->base.base.resv, exec->fence);
 	}
 }
 
···
 	for (i = 0; i < exec->bo_count; i++) {
 		bo = &exec->bo[i]->base;
 
-		ret = reservation_object_reserve_shared(bo->resv, 1);
+		ret = dma_resv_reserve_shared(bo->resv, 1);
 		if (ret) {
 			vc4_unlock_bo_reservations(dev, exec, acquire_ctx);
 			return ret;

drivers/gpu/drm/vgem/vgem_fence.c

···
  */
 
 #include <linux/dma-buf.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 #include <drm/drm_file.h>
 
···
 {
 	struct drm_vgem_fence_attach *arg = data;
 	struct vgem_file *vfile = file->driver_priv;
-	struct reservation_object *resv;
+	struct dma_resv *resv;
 	struct drm_gem_object *obj;
 	struct dma_fence *fence;
 	int ret;
···
 
 	/* Check for a conflicting fence */
 	resv = obj->resv;
-	if (!reservation_object_test_signaled_rcu(resv,
+	if (!dma_resv_test_signaled_rcu(resv,
 						  arg->flags & VGEM_FENCE_WRITE)) {
 		ret = -EBUSY;
 		goto err_fence;
···
 
 	/* Expose the fence via the dma-buf */
 	ret = 0;
-	reservation_object_lock(resv, NULL);
+	dma_resv_lock(resv, NULL);
 	if (arg->flags & VGEM_FENCE_WRITE)
-		reservation_object_add_excl_fence(resv, fence);
-	else if ((ret = reservation_object_reserve_shared(resv, 1)) == 0)
-		reservation_object_add_shared_fence(resv, fence);
-	reservation_object_unlock(resv);
+		dma_resv_add_excl_fence(resv, fence);
+	else if ((ret = dma_resv_reserve_shared(resv, 1)) == 0)
+		dma_resv_add_shared_fence(resv, fence);
+	dma_resv_unlock(resv);
 
 	/* Record the fence in our idr for later signaling */
 	if (ret == 0) {

drivers/gpu/drm/virtio/virtgpu_ioctl.c

···
 		(vgdev, qobj->hw_res_handle,
 		 vfpriv->ctx_id, offset, args->level,
 		 &box, fence);
-	reservation_object_add_excl_fence(qobj->tbo.base.resv,
+	dma_resv_add_excl_fence(qobj->tbo.base.resv,
 					  &fence->f);
 
 	dma_fence_put(&fence->f);
···
 			(vgdev, qobj,
 			 vfpriv ? vfpriv->ctx_id : 0, offset,
 			 args->level, &box, fence);
-		reservation_object_add_excl_fence(qobj->tbo.base.resv,
+		dma_resv_add_excl_fence(qobj->tbo.base.resv,
 						  &fence->f);
 		dma_fence_put(&fence->f);
 	}

drivers/gpu/drm/virtio/virtgpu_plane.c

···
 			 0, 0, vgfb->fence);
 		ret = virtio_gpu_object_reserve(bo, false);
 		if (!ret) {
-			reservation_object_add_excl_fence(bo->tbo.base.resv,
+			dma_resv_add_excl_fence(bo->tbo.base.resv,
 							  &vgfb->fence->f);
 			dma_fence_put(&vgfb->fence->f);
 			vgfb->fence = NULL;

drivers/gpu/drm/vmwgfx/vmwgfx_blit.c

···
 
 	/* Buffer objects need to be either pinned or reserved: */
 	if (!(dst->mem.placement & TTM_PL_FLAG_NO_EVICT))
-		reservation_object_assert_held(dst->base.resv);
+		dma_resv_assert_held(dst->base.resv);
 	if (!(src->mem.placement & TTM_PL_FLAG_NO_EVICT))
-		reservation_object_assert_held(src->base.resv);
+		dma_resv_assert_held(src->base.resv);
 
 	if (dst->ttm->state == tt_unpopulated) {
 		ret = dst->ttm->bdev->driver->ttm_tt_populate(dst->ttm, &ctx);

drivers/gpu/drm/vmwgfx/vmwgfx_bo.c

···
 	uint32_t old_mem_type = bo->mem.mem_type;
 	int ret;
 
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 
 	if (pin) {
 		if (vbo->pin_count++ > 0)
···
 		bool nonblock = !!(flags & drm_vmw_synccpu_dontblock);
 		long lret;
 
-		lret = reservation_object_wait_timeout_rcu
+		lret = dma_resv_wait_timeout_rcu
 			(bo->base.resv, true, true,
 			 nonblock ? 0 : MAX_SCHEDULE_TIMEOUT);
 		if (!lret)
···
 
 	if (fence == NULL) {
 		vmw_execbuf_fence_commands(NULL, dev_priv, &fence, NULL);
-		reservation_object_add_excl_fence(bo->base.resv, &fence->base);
+		dma_resv_add_excl_fence(bo->base.resv, &fence->base);
 		dma_fence_put(&fence->base);
 	} else
-		reservation_object_add_excl_fence(bo->base.resv, &fence->base);
+		dma_resv_add_excl_fence(bo->base.resv, &fence->base);
 }
 
 

drivers/gpu/drm/vmwgfx/vmwgfx_cotable.c

···
 	} *cmd;
 
 	WARN_ON_ONCE(bo->mem.mem_type != VMW_PL_MOB);
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 
 	cmd = VMW_FIFO_RESERVE(dev_priv, sizeof(*cmd));
 	if (!cmd)
···
 		return 0;
 
 	WARN_ON_ONCE(bo->mem.mem_type != VMW_PL_MOB);
-	reservation_object_assert_held(bo->base.resv);
+	dma_resv_assert_held(bo->base.resv);
 
 	mutex_lock(&dev_priv->binding_mutex);
 	if (!vcotbl->scrubbed)

drivers/gpu/drm/vmwgfx/vmwgfx_resource.c

···
 
 	if (switch_backup && new_backup != res->backup) {
 		if (res->backup) {
-			reservation_object_assert_held(res->backup->base.base.resv);
+			dma_resv_assert_held(res->backup->base.base.resv);
 			list_del_init(&res->mob_head);
 			vmw_bo_unreference(&res->backup);
 		}
 
 		if (new_backup) {
 			res->backup = vmw_bo_reference(new_backup);
-			reservation_object_assert_held(new_backup->base.base.resv);
+			dma_resv_assert_held(new_backup->base.base.resv);
 			list_add_tail(&res->mob_head, &new_backup->res_list);
 		} else {
 			res->backup = NULL;
···
 		.num_shared = 0
 	};
 
-	reservation_object_assert_held(vbo->base.base.resv);
+	dma_resv_assert_held(vbo->base.base.resv);
 	list_for_each_entry_safe(res, next, &vbo->res_list, mob_head) {
 		if (!res->func->unbind)
 			continue;

include/drm/drmP.h

···
 
 struct device_node;
 struct videomode;
-struct reservation_object;
+struct dma_resv;
 struct dma_buf_attachment;
 
 struct pci_dev;

include/drm/drm_gem.h

···
  */
 
 #include <linux/kref.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 #include <drm/drm_vma_manager.h>
 
···
 	 *
 	 * Normally (@resv == &@_resv) except for imported GEM objects.
 	 */
-	struct reservation_object *resv;
+	struct dma_resv *resv;
 
 	/**
 	 * @_resv:
···
 	 *
 	 * This is unused for imported GEM objects.
 	 */
-	struct reservation_object _resv;
+	struct dma_resv _resv;
 
 	/**
 	 * @funcs:
···
 int drm_gem_objects_lookup(struct drm_file *filp, void __user *bo_handles,
 			   int count, struct drm_gem_object ***objs_out);
 struct drm_gem_object *drm_gem_object_lookup(struct drm_file *filp, u32 handle);
-long drm_gem_reservation_object_wait(struct drm_file *filep, u32 handle,
+long drm_gem_dma_resv_wait(struct drm_file *filep, u32 handle,
 				    bool wait_all, unsigned long timeout);
 int drm_gem_lock_reservations(struct drm_gem_object **objs, int count,
 			      struct ww_acquire_ctx *acquire_ctx);

include/drm/ttm/ttm_bo_api.h

···
 #include <linux/mutex.h>
 #include <linux/mm.h>
 #include <linux/bitmap.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 struct ttm_bo_global;
 
···
 struct ttm_operation_ctx {
 	bool interruptible;
 	bool no_wait_gpu;
-	struct reservation_object *resv;
+	struct dma_resv *resv;
 	uint64_t bytes_moved;
 	uint32_t flags;
 };
···
  * @page_alignment: Data alignment in pages.
  * @ctx: TTM operation context for memory allocation.
  * @acc_size: Accounted size for this object.
- * @resv: Pointer to a reservation_object, or NULL to let ttm allocate one.
+ * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one.
  * @destroy: Destroy function. Use NULL for kfree().
  *
  * This function initializes a pre-allocated struct ttm_buffer_object.
···
 			 struct ttm_operation_ctx *ctx,
 			 size_t acc_size,
 			 struct sg_table *sg,
-			 struct reservation_object *resv,
+			 struct dma_resv *resv,
 			 void (*destroy) (struct ttm_buffer_object *));
 
 /**
···
  * point to the shmem object backing a GEM object if TTM is used to back a
  * GEM user interface.
  * @acc_size: Accounted size for this object.
- * @resv: Pointer to a reservation_object, or NULL to let ttm allocate one.
+ * @resv: Pointer to a dma_resv, or NULL to let ttm allocate one.
  * @destroy: Destroy function. Use NULL for kfree().
  *
  * This function initializes a pre-allocated struct ttm_buffer_object.
···
 		unsigned long size, enum ttm_bo_type type,
 		struct ttm_placement *placement,
 		uint32_t page_alignment, bool interrubtible, size_t acc_size,
-		struct sg_table *sg, struct reservation_object *resv,
+		struct sg_table *sg, struct dma_resv *resv,
 		void (*destroy) (struct ttm_buffer_object *));
 
 /**

include/drm/ttm/ttm_bo_driver.h

···
 #include <linux/workqueue.h>
 #include <linux/fs.h>
 #include <linux/spinlock.h>
-#include <linux/reservation.h>
+#include <linux/dma-resv.h>
 
 #include "ttm_bo_api.h"
 #include "ttm_memory.h"
···
 		if (WARN_ON(ticket))
 			return -EBUSY;
 
-		success = reservation_object_trylock(bo->base.resv);
+		success = dma_resv_trylock(bo->base.resv);
 		return success ? 0 : -EBUSY;
 	}
 
 	if (interruptible)
-		ret = reservation_object_lock_interruptible(bo->base.resv, ticket);
+		ret = dma_resv_lock_interruptible(bo->base.resv, ticket);
 	else
-		ret = reservation_object_lock(bo->base.resv, ticket);
+		ret = dma_resv_lock(bo->base.resv, ticket);
 	if (ret == -EINTR)
 		return -ERESTARTSYS;
 	return ret;
···
 	WARN_ON(!kref_read(&bo->kref));
 
 	if (interruptible)
-		ret = reservation_object_lock_slow_interruptible(bo->base.resv,
+		ret = dma_resv_lock_slow_interruptible(bo->base.resv,
 								 ticket);
 	else
-		reservation_object_lock_slow(bo->base.resv, ticket);
+		dma_resv_lock_slow(bo->base.resv, ticket);
 
 	if (likely(ret == 0))
 		ttm_bo_del_sub_from_lru(bo);
···
 	else
 		ttm_bo_move_to_lru_tail(bo, NULL);
 	spin_unlock(&bo->bdev->glob->lru_lock);
-	reservation_object_unlock(bo->base.resv);
+	dma_resv_unlock(bo->base.resv);
 }
 
 /*

include/linux/dma-buf.h

···
 	struct module *owner;
 	struct list_head list_node;
 	void *priv;
-	struct reservation_object *resv;
+	struct dma_resv *resv;
 
 	/* poll support */
 	wait_queue_head_t poll;
···
 	const struct dma_buf_ops *ops;
 	size_t size;
 	int flags;
-	struct reservation_object *resv;
+	struct dma_resv *resv;
 	void *priv;
 };
 

include/linux/dma-fence.h

···
 }
 
 /**
- * dma_fence_get_rcu - get a fence from a reservation_object_list with
+ * dma_fence_get_rcu - get a fence from a dma_resv_list with
  *                     rcu read lock
  * @fence: fence to increase refcount of
  *
···
  * so long as the caller is using RCU on the pointer to the fence.
  *
  * An alternative mechanism is to employ a seqlock to protect a bunch of
- * fences, such as used by struct reservation_object. When using a seqlock,
+ * fences, such as used by struct dma_resv. When using a seqlock,
  * the seqlock must be taken before and checked after a reference to the
  * fence is acquired (as shown here).
  *

include/linux/reservation.h include/linux/dma-resv.h

···
 extern struct ww_class reservation_ww_class;
 
 /**
- * struct reservation_object_list - a list of shared fences
+ * struct dma_resv_list - a list of shared fences
  * @rcu: for internal use
  * @shared_count: table of shared fences
  * @shared_max: for growing shared fence table
  * @shared: shared fence table
  */
-struct reservation_object_list {
+struct dma_resv_list {
 	struct rcu_head rcu;
 	u32 shared_count, shared_max;
 	struct dma_fence __rcu *shared[];
 };
 
 /**
- * struct reservation_object - a reservation object manages fences for a buffer
+ * struct dma_resv - a reservation object manages fences for a buffer
  * @lock: update side lock
  * @seq: sequence count for managing RCU read-side synchronization
  * @fence_excl: the exclusive fence, if there is one currently
  * @fence: list of current shared fences
  */
-struct reservation_object {
+struct dma_resv {
 	struct ww_mutex lock;
 
 	struct dma_fence __rcu *fence_excl;
-	struct reservation_object_list __rcu *fence;
+	struct dma_resv_list __rcu *fence;
 };
 
-#define reservation_object_held(obj) lockdep_is_held(&(obj)->lock.base)
-#define reservation_object_assert_held(obj) \
-	lockdep_assert_held(&(obj)->lock.base)
+#define dma_resv_held(obj) lockdep_is_held(&(obj)->lock.base)
+#define dma_resv_assert_held(obj) lockdep_assert_held(&(obj)->lock.base)
 
 /**
- * reservation_object_get_excl - get the reservation object's
+ * dma_resv_get_excl - get the reservation object's
  * exclusive fence, with update-side lock held
  * @obj: the reservation object
  *
···
  * RETURNS
  * The exclusive fence or NULL
  */
-static inline struct dma_fence *
-reservation_object_get_excl(struct reservation_object *obj)
+static inline struct dma_fence *dma_resv_get_excl(struct dma_resv *obj)
 {
 	return rcu_dereference_protected(obj->fence_excl,
-					 reservation_object_held(obj));
+					 dma_resv_held(obj));
 }
 
 /**
- * reservation_object_get_list - get the reservation object's
+ * dma_resv_get_list - get the reservation object's
  * shared fence list, with update-side lock held
  * @obj: the reservation object
  *
  * Returns the shared fence list.  Does NOT take references to
  * the fence.  The obj->lock must be held.
  */
-static inline struct reservation_object_list *
-reservation_object_get_list(struct reservation_object *obj)
+static inline struct dma_resv_list *dma_resv_get_list(struct dma_resv *obj)
 {
 	return rcu_dereference_protected(obj->fence,
-					 reservation_object_held(obj));
+					 dma_resv_held(obj));
 }
 
 /**
- * reservation_object_fences - read consistent fence pointers
+ * dma_resv_fences - read consistent fence pointers
  * @obj: reservation object where we get the fences from
  * @excl: pointer for the exclusive fence
  * @list: pointer for the shared fence list
···
  * Make sure we have a consisten exclusive fence and shared fence list.
  * Must be called with rcu read side lock held.
  */
-static inline void
-reservation_object_fences(struct reservation_object *obj,
-			  struct dma_fence **excl,
-			  struct reservation_object_list **list,
-			  u32 *shared_count)
+static inline void dma_resv_fences(struct dma_resv *obj,
+				   struct dma_fence **excl,
+				   struct dma_resv_list **list,
+				   u32 *shared_count)
 {
 	do {
 		*excl = rcu_dereference(obj->fence_excl);
 		*list = rcu_dereference(obj->fence);
 		*shared_count = *list ? (*list)->shared_count : 0;
-		smp_rmb(); /* See reservation_object_add_excl_fence */
+		smp_rmb(); /* See dma_resv_add_excl_fence */
 	} while (rcu_access_pointer(obj->fence_excl) != *excl);
 }
 
 /**
- * reservation_object_get_excl_rcu - get the reservation object's
+ * dma_resv_get_excl_rcu - get the reservation object's
  * exclusive fence, without lock held.
  * @obj: the reservation object
  *
···
  * RETURNS
  * The exclusive fence or NULL if none
  */
-static inline struct dma_fence *
-reservation_object_get_excl_rcu(struct reservation_object *obj)
+static inline struct dma_fence *dma_resv_get_excl_rcu(struct dma_resv *obj)
 {
 	struct dma_fence *fence;
 
···
 }
 
 /**
- * reservation_object_lock - lock the reservation object
+ * dma_resv_lock - lock the reservation object
  * @obj: the reservation object
  * @ctx: the locking context
  *
···
  * is detected. See ww_mutex_lock() and ww_acquire_init(). A reservation
  * object may be locked by itself by passing NULL as @ctx.
  */
-static inline int
-reservation_object_lock(struct reservation_object *obj,
-			struct ww_acquire_ctx *ctx)
+static inline int dma_resv_lock(struct dma_resv *obj,
+				struct ww_acquire_ctx *ctx)
 {
 	return ww_mutex_lock(&obj->lock, ctx);
 }
 
 /**
- * reservation_object_lock_interruptible - lock the reservation object
+ * dma_resv_lock_interruptible - lock the reservation object
  * @obj: the reservation object
  * @ctx: the locking context
  *
···
  * is detected. See ww_mutex_lock() and ww_acquire_init(). A reservation
  * object may be locked by itself by passing NULL as @ctx.
  */
-static inline int
-reservation_object_lock_interruptible(struct reservation_object *obj,
-				      struct ww_acquire_ctx *ctx)
+static inline int dma_resv_lock_interruptible(struct dma_resv *obj,
+					      struct ww_acquire_ctx *ctx)
 {
 	return ww_mutex_lock_interruptible(&obj->lock, ctx);
 }
 
 /**
- * reservation_object_lock_slow - slowpath lock the reservation object
+ * dma_resv_lock_slow - slowpath lock the reservation object
  * @obj: the reservation object
  * @ctx: the locking context
  *
  * Acquires the reservation object after a die case. This function
- * will sleep until the lock becomes available. See reservation_object_lock() as
+ * will sleep until the lock becomes available. See dma_resv_lock() as
  * well.
  */
-static inline void
-reservation_object_lock_slow(struct reservation_object *obj,
-			     struct ww_acquire_ctx *ctx)
+static inline void dma_resv_lock_slow(struct dma_resv *obj,
+				      struct ww_acquire_ctx *ctx)
 {
 	ww_mutex_lock_slow(&obj->lock, ctx);
 }
 
 /**
- * reservation_object_lock_slow_interruptible - slowpath lock the reservation
+ * dma_resv_lock_slow_interruptible - slowpath lock the reservation
  * object, interruptible
  * @obj: the reservation object
  * @ctx: the locking context
  *
  * Acquires the reservation object interruptible after a die case. This function
  * will sleep until the lock becomes available. See
- * reservation_object_lock_interruptible() as well.
+ * dma_resv_lock_interruptible() as well.
  */
-static inline int
-reservation_object_lock_slow_interruptible(struct reservation_object *obj,
-					   struct ww_acquire_ctx *ctx)
+static inline int dma_resv_lock_slow_interruptible(struct dma_resv *obj,
+						   struct ww_acquire_ctx *ctx)
 {
 	return ww_mutex_lock_slow_interruptible(&obj->lock, ctx);
 }
 
 /**
- * reservation_object_trylock - trylock the reservation object
+ * dma_resv_trylock - trylock the reservation object
  * @obj: the reservation object
  *
  * Tries to lock the reservation object for exclusive access and modification.
···
  *
  * Returns true if the lock was acquired, false otherwise.
  */
-static inline bool __must_check
-reservation_object_trylock(struct reservation_object *obj)
+static inline bool __must_check dma_resv_trylock(struct dma_resv *obj)
 {
 	return ww_mutex_trylock(&obj->lock);
 }
 
 /**
- * reservation_object_is_locked - is the reservation object locked
+ * dma_resv_is_locked - is the reservation object locked
  * @obj: the reservation object
  *
  * Returns true if the mutex is locked, false if unlocked.
  */
-static inline bool
-reservation_object_is_locked(struct reservation_object *obj)
+static inline bool dma_resv_is_locked(struct dma_resv *obj)
 {
 	return ww_mutex_is_locked(&obj->lock);
 }
 
 /**
- * reservation_object_locking_ctx - returns the context used to lock the object
+ * dma_resv_locking_ctx - returns the context used to lock the object
  * @obj: the reservation object
  *
  * Returns the context used to lock a reservation object or NULL if no context
  * was used or the object is not locked at all.
  */
-static inline struct ww_acquire_ctx *
-reservation_object_locking_ctx(struct reservation_object *obj)
+static inline struct ww_acquire_ctx *dma_resv_locking_ctx(struct dma_resv *obj)
 {
 	return READ_ONCE(obj->lock.ctx);
 }
 
 /**
- * reservation_object_unlock - unlock the reservation object
+ * dma_resv_unlock - unlock the reservation object
  * @obj: the reservation object
  *
  * Unlocks the reservation object following exclusive access.
  */
-static inline void
-reservation_object_unlock(struct reservation_object *obj)
+static inline void dma_resv_unlock(struct dma_resv *obj)
 {
 #ifdef CONFIG_DEBUG_MUTEXES
 	/* Test shared fence slot reservation */
 	if (rcu_access_pointer(obj->fence)) {
-		struct reservation_object_list *fence =
-			reservation_object_get_list(obj);
+		struct dma_resv_list *fence = dma_resv_get_list(obj);
 
 		fence->shared_max = fence->shared_count;
 	}
···
 	ww_mutex_unlock(&obj->lock);
 }
 
-void reservation_object_init(struct reservation_object *obj);
-void reservation_object_fini(struct reservation_object *obj);
-int reservation_object_reserve_shared(struct reservation_object *obj,
-				      unsigned int num_fences);
-void reservation_object_add_shared_fence(struct reservation_object *obj,
-					 struct dma_fence *fence);
+void dma_resv_init(struct dma_resv *obj);
+void dma_resv_fini(struct dma_resv *obj);
+int dma_resv_reserve_shared(struct dma_resv *obj, unsigned int num_fences);
+void dma_resv_add_shared_fence(struct dma_resv *obj, struct dma_fence *fence);
 
-void reservation_object_add_excl_fence(struct reservation_object *obj,
-				       struct dma_fence *fence);
+void dma_resv_add_excl_fence(struct dma_resv *obj, struct dma_fence *fence);
 
-int reservation_object_get_fences_rcu(struct reservation_object *obj,
-				      struct dma_fence **pfence_excl,
-				      unsigned *pshared_count,
-				      struct dma_fence ***pshared);
+int dma_resv_get_fences_rcu(struct dma_resv *obj,
+			    struct dma_fence **pfence_excl,
+			    unsigned *pshared_count,
+			    struct dma_fence ***pshared);
 
-int reservation_object_copy_fences(struct reservation_object *dst,
-				   struct reservation_object *src);
+int dma_resv_copy_fences(struct dma_resv *dst, struct dma_resv *src);
 
-long reservation_object_wait_timeout_rcu(struct reservation_object *obj,
-					 bool wait_all, bool intr,
-					 unsigned long timeout);
+long dma_resv_wait_timeout_rcu(struct dma_resv *obj, bool wait_all, bool intr,
+			       unsigned long timeout);
 
-bool reservation_object_test_signaled_rcu(struct reservation_object *obj,
-					  bool test_all);
+bool dma_resv_test_signaled_rcu(struct dma_resv *obj, bool test_all);
 
 #endif /* _LINUX_RESERVATION_H */