drm/amdgpu: rename rmn to amn in the MMU notifier code (v2)

Just a copy&paste leftover from radeon.

v2: rebase (Alex)

Signed-off-by: Christian König <christian.koenig@amd.com>
Reviewed-by: Michel Dänzer <michel.daenzer@amd.com>
Signed-off-by: Alex Deucher <alexander.deucher@amd.com>

1 files changed, 70 insertions, 70 deletions

diff --git a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
index 83e344fbb50a..37570a1c6db8 100644
--- a/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
+++ b/drivers/gpu/drm/amd/amdgpu/amdgpu_mn.c
@@ -64,7 +64,7 @@ struct amdgpu_mn_node {
 };
 
 /**
- * amdgpu_mn_destroy - destroy the rmn
+ * amdgpu_mn_destroy - destroy the amn
  *
  * @work: previously sheduled work item
  *
@@ -72,26 +72,26 @@ struct amdgpu_mn_node {
  */
 static void amdgpu_mn_destroy(struct work_struct *work)
 {
-        struct amdgpu_mn *rmn = container_of(work, struct amdgpu_mn, work);
-        struct amdgpu_device *adev = rmn->adev;
+        struct amdgpu_mn *amn = container_of(work, struct amdgpu_mn, work);
+        struct amdgpu_device *adev = amn->adev;
         struct amdgpu_mn_node *node, *next_node;
         struct amdgpu_bo *bo, *next_bo;
 
         mutex_lock(&adev->mn_lock);
-        down_write(&rmn->lock);
-        hash_del(&rmn->node);
+        down_write(&amn->lock);
+        hash_del(&amn->node);
         rbtree_postorder_for_each_entry_safe(node, next_node,
-                                             &rmn->objects.rb_root, it.rb) {
+                                             &amn->objects.rb_root, it.rb) {
                 list_for_each_entry_safe(bo, next_bo, &node->bos, mn_list) {
                         bo->mn = NULL;
                         list_del_init(&bo->mn_list);
                 }
                 kfree(node);
         }
-        up_write(&rmn->lock);
+        up_write(&amn->lock);
         mutex_unlock(&adev->mn_lock);
-        mmu_notifier_unregister_no_release(&rmn->mn, rmn->mm);
-        kfree(rmn);
+        mmu_notifier_unregister_no_release(&amn->mn, amn->mm);
+        kfree(amn);
 }
 
 /**
@@ -105,9 +105,9 @@ static void amdgpu_mn_destroy(struct work_struct *work)
 static void amdgpu_mn_release(struct mmu_notifier *mn,
                               struct mm_struct *mm)
 {
-        struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
-        INIT_WORK(&rmn->work, amdgpu_mn_destroy);
-        schedule_work(&rmn->work);
+        struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
+        INIT_WORK(&amn->work, amdgpu_mn_destroy);
+        schedule_work(&amn->work);
 }
 
 
@@ -130,31 +130,31 @@ void amdgpu_mn_unlock(struct amdgpu_mn *mn)
 }
 
 /**
- * amdgpu_mn_read_lock - take the rmn read lock
+ * amdgpu_mn_read_lock - take the amn read lock
  *
- * @rmn: our notifier
+ * @amn: our notifier
  *
- * Take the rmn read side lock.
+ * Take the amn read side lock.
  */
-static void amdgpu_mn_read_lock(struct amdgpu_mn *rmn)
+static void amdgpu_mn_read_lock(struct amdgpu_mn *amn)
 {
-        mutex_lock(&rmn->read_lock);
-        if (atomic_inc_return(&rmn->recursion) == 1)
-                down_read_non_owner(&rmn->lock);
-        mutex_unlock(&rmn->read_lock);
+        mutex_lock(&amn->read_lock);
+        if (atomic_inc_return(&amn->recursion) == 1)
+                down_read_non_owner(&amn->lock);
+        mutex_unlock(&amn->read_lock);
 }
 
 /**
- * amdgpu_mn_read_unlock - drop the rmn read lock
+ * amdgpu_mn_read_unlock - drop the amn read lock
  *
- * @rmn: our notifier
+ * @amn: our notifier
  *
- * Drop the rmn read side lock.
+ * Drop the amn read side lock.
  */
-static void amdgpu_mn_read_unlock(struct amdgpu_mn *rmn)
+static void amdgpu_mn_read_unlock(struct amdgpu_mn *amn)
 {
-        if (atomic_dec_return(&rmn->recursion) == 0)
-                up_read_non_owner(&rmn->lock);
+        if (atomic_dec_return(&amn->recursion) == 0)
+                up_read_non_owner(&amn->lock);
 }
 
 /**
@@ -202,15 +202,15 @@ static void amdgpu_mn_invalidate_range_start_gfx(struct mmu_notifier *mn,
                                                  unsigned long start,
                                                  unsigned long end)
 {
-        struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
+        struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
         struct interval_tree_node *it;
 
         /* notification is exclusive, but interval is inclusive */
         end -= 1;
 
-        amdgpu_mn_read_lock(rmn);
+        amdgpu_mn_read_lock(amn);
 
-        it = interval_tree_iter_first(&rmn->objects, start, end);
+        it = interval_tree_iter_first(&amn->objects, start, end);
         while (it) {
                 struct amdgpu_mn_node *node;
 
@@ -238,15 +238,15 @@ static void amdgpu_mn_invalidate_range_start_hsa(struct mmu_notifier *mn,
                                                  unsigned long start,
                                                  unsigned long end)
 {
-        struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
+        struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
         struct interval_tree_node *it;
 
         /* notification is exclusive, but interval is inclusive */
         end -= 1;
 
-        amdgpu_mn_read_lock(rmn);
+        amdgpu_mn_read_lock(amn);
 
-        it = interval_tree_iter_first(&rmn->objects, start, end);
+        it = interval_tree_iter_first(&amn->objects, start, end);
         while (it) {
                 struct amdgpu_mn_node *node;
                 struct amdgpu_bo *bo;
@@ -279,9 +279,9 @@ static void amdgpu_mn_invalidate_range_end(struct mmu_notifier *mn,
                                            unsigned long start,
                                            unsigned long end)
 {
-        struct amdgpu_mn *rmn = container_of(mn, struct amdgpu_mn, mn);
+        struct amdgpu_mn *amn = container_of(mn, struct amdgpu_mn, mn);
 
-        amdgpu_mn_read_unlock(rmn);
+        amdgpu_mn_read_unlock(amn);
 }
 
 static const struct mmu_notifier_ops amdgpu_mn_ops[] = {
@@ -315,7 +315,7 @@ struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev,
                                 enum amdgpu_mn_type type)
 {
         struct mm_struct *mm = current->mm;
-        struct amdgpu_mn *rmn;
+        struct amdgpu_mn *amn;
         unsigned long key = AMDGPU_MN_KEY(mm, type);
         int r;
 
@@ -325,41 +325,41 @@ struct amdgpu_mn *amdgpu_mn_get(struct amdgpu_device *adev,
                 return ERR_PTR(-EINTR);
         }
 
-        hash_for_each_possible(adev->mn_hash, rmn, node, key)
-                if (AMDGPU_MN_KEY(rmn->mm, rmn->type) == key)
+        hash_for_each_possible(adev->mn_hash, amn, node, key)
+                if (AMDGPU_MN_KEY(amn->mm, amn->type) == key)
                         goto release_locks;
 
-        rmn = kzalloc(sizeof(*rmn), GFP_KERNEL);
-        if (!rmn) {
-                rmn = ERR_PTR(-ENOMEM);
+        amn = kzalloc(sizeof(*amn), GFP_KERNEL);
+        if (!amn) {
+                amn = ERR_PTR(-ENOMEM);
                 goto release_locks;
         }
 
-        rmn->adev = adev;
-        rmn->mm = mm;
-        init_rwsem(&rmn->lock);
-        rmn->type = type;
-        rmn->mn.ops = &amdgpu_mn_ops[type];
-        rmn->objects = RB_ROOT_CACHED;
-        mutex_init(&rmn->read_lock);
-        atomic_set(&rmn->recursion, 0);
+        amn->adev = adev;
+        amn->mm = mm;
+        init_rwsem(&amn->lock);
+        amn->type = type;
+        amn->mn.ops = &amdgpu_mn_ops[type];
+        amn->objects = RB_ROOT_CACHED;
+        mutex_init(&amn->read_lock);
+        atomic_set(&amn->recursion, 0);
 
-        r = __mmu_notifier_register(&rmn->mn, mm);
+        r = __mmu_notifier_register(&amn->mn, mm);
         if (r)
-                goto free_rmn;
+                goto free_amn;
 
-        hash_add(adev->mn_hash, &rmn->node, AMDGPU_MN_KEY(mm, type));
+        hash_add(adev->mn_hash, &amn->node, AMDGPU_MN_KEY(mm, type));
 
 release_locks:
         up_write(&mm->mmap_sem);
         mutex_unlock(&adev->mn_lock);
 
-        return rmn;
+        return amn;
 
-free_rmn:
+free_amn:
         up_write(&mm->mmap_sem);
         mutex_unlock(&adev->mn_lock);
-        kfree(rmn);
+        kfree(amn);
 
         return ERR_PTR(r);
 }
@@ -379,14 +379,14 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
         struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
         enum amdgpu_mn_type type =
                 bo->kfd_bo ? AMDGPU_MN_TYPE_HSA : AMDGPU_MN_TYPE_GFX;
-        struct amdgpu_mn *rmn;
+        struct amdgpu_mn *amn;
         struct amdgpu_mn_node *node = NULL, *new_node;
         struct list_head bos;
         struct interval_tree_node *it;
 
-        rmn = amdgpu_mn_get(adev, type);
-        if (IS_ERR(rmn))
-                return PTR_ERR(rmn);
+        amn = amdgpu_mn_get(adev, type);
+        if (IS_ERR(amn))
+                return PTR_ERR(amn);
 
         new_node = kmalloc(sizeof(*new_node), GFP_KERNEL);
         if (!new_node)
@@ -394,12 +394,12 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
 
         INIT_LIST_HEAD(&bos);
 
-        down_write(&rmn->lock);
+        down_write(&amn->lock);
 
-        while ((it = interval_tree_iter_first(&rmn->objects, addr, end))) {
+        while ((it = interval_tree_iter_first(&amn->objects, addr, end))) {
                 kfree(node);
                 node = container_of(it, struct amdgpu_mn_node, it);
-                interval_tree_remove(&node->it, &rmn->objects);
+                interval_tree_remove(&node->it, &amn->objects);
                 addr = min(it->start, addr);
                 end = max(it->last, end);
                 list_splice(&node->bos, &bos);
@@ -410,7 +410,7 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
         else
                 kfree(new_node);
 
-        bo->mn = rmn;
+        bo->mn = amn;
 
         node->it.start = addr;
         node->it.last = end;
@@ -418,9 +418,9 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
         list_splice(&bos, &node->bos);
         list_add(&bo->mn_list, &node->bos);
 
-        interval_tree_insert(&node->it, &rmn->objects);
+        interval_tree_insert(&node->it, &amn->objects);
 
-        up_write(&rmn->lock);
+        up_write(&amn->lock);
 
         return 0;
 }
@@ -435,18 +435,18 @@ int amdgpu_mn_register(struct amdgpu_bo *bo, unsigned long addr)
 void amdgpu_mn_unregister(struct amdgpu_bo *bo)
 {
         struct amdgpu_device *adev = amdgpu_ttm_adev(bo->tbo.bdev);
-        struct amdgpu_mn *rmn;
+        struct amdgpu_mn *amn;
         struct list_head *head;
 
         mutex_lock(&adev->mn_lock);
 
-        rmn = bo->mn;
-        if (rmn == NULL) {
+        amn = bo->mn;
+        if (amn == NULL) {
                 mutex_unlock(&adev->mn_lock);
                 return;
         }
 
-        down_write(&rmn->lock);
+        down_write(&amn->lock);
 
         /* save the next list entry for later */
         head = bo->mn_list.next;
@@ -457,11 +457,11 @@ void amdgpu_mn_unregister(struct amdgpu_bo *bo)
         if (list_empty(head)) {
                 struct amdgpu_mn_node *node;
                 node = container_of(head, struct amdgpu_mn_node, bos);
-                interval_tree_remove(&node->it, &rmn->objects);
+                interval_tree_remove(&node->it, &amn->objects);
                 kfree(node);
         }
 
-        up_write(&rmn->lock);
+        up_write(&amn->lock);
         mutex_unlock(&adev->mn_lock);
 }