diff options
Diffstat (limited to 'drivers/gpu/drm/drm_mm.c')
| -rw-r--r-- | drivers/gpu/drm/drm_mm.c | 51 |
1 files changed, 9 insertions, 42 deletions
diff --git a/drivers/gpu/drm/drm_mm.c b/drivers/gpu/drm/drm_mm.c index a4a04d246135..6692abe564d3 100644 --- a/drivers/gpu/drm/drm_mm.c +++ b/drivers/gpu/drm/drm_mm.c @@ -49,6 +49,7 @@ #include <linux/stacktrace.h> #include <drm/drm_mm.h> +#include <drm/drm_print.h> /** * DOC: Overview @@ -118,8 +119,6 @@ static noinline void save_stack(struct drm_mm_node *node) static void show_leaks(struct drm_mm *mm) { struct drm_mm_node *node; - unsigned long *entries; - unsigned int nr_entries; char *buf; buf = kmalloc(BUFSZ, GFP_KERNEL); @@ -133,8 +132,7 @@ static void show_leaks(struct drm_mm *mm) continue; } - nr_entries = stack_depot_fetch(node->stack, &entries); - stack_trace_snprint(buf, BUFSZ, entries, nr_entries, 0); + stack_depot_snprint(node->stack, buf, BUFSZ, 0); DRM_ERROR("node [%08llx + %08llx]: inserted at\n%s", node->start, node->size, buf); } @@ -154,7 +152,7 @@ static void show_leaks(struct drm_mm *mm) { } INTERVAL_TREE_DEFINE(struct drm_mm_node, rb, u64, __subtree_last, - START, LAST, static inline, drm_mm_interval_tree) + START, LAST, static inline __maybe_unused, drm_mm_interval_tree) struct drm_mm_node * __drm_mm_interval_first(const struct drm_mm *mm, u64 start, u64 last) @@ -614,7 +612,7 @@ int drm_mm_insert_node_in_range(struct drm_mm * const mm, } EXPORT_SYMBOL(drm_mm_insert_node_in_range); -static inline bool drm_mm_node_scanned_block(const struct drm_mm_node *node) +static inline __maybe_unused bool drm_mm_node_scanned_block(const struct drm_mm_node *node) { return test_bit(DRM_MM_NODE_SCANNED_BIT, &node->flags); } @@ -652,41 +650,6 @@ void drm_mm_remove_node(struct drm_mm_node *node) EXPORT_SYMBOL(drm_mm_remove_node); /** - * drm_mm_replace_node - move an allocation from @old to @new - * @old: drm_mm_node to remove from the allocator - * @new: drm_mm_node which should inherit @old's allocation - * - * This is useful for when drivers embed the drm_mm_node structure and hence - * can't move allocations by reassigning pointers. It's a combination of remove - * and insert with the guarantee that the allocation start will match. - */ -void drm_mm_replace_node(struct drm_mm_node *old, struct drm_mm_node *new) -{ - struct drm_mm *mm = old->mm; - - DRM_MM_BUG_ON(!drm_mm_node_allocated(old)); - - *new = *old; - - __set_bit(DRM_MM_NODE_ALLOCATED_BIT, &new->flags); - list_replace(&old->node_list, &new->node_list); - rb_replace_node_cached(&old->rb, &new->rb, &mm->interval_tree); - - if (drm_mm_hole_follows(old)) { - list_replace(&old->hole_stack, &new->hole_stack); - rb_replace_node_cached(&old->rb_hole_size, - &new->rb_hole_size, - &mm->holes_size); - rb_replace_node(&old->rb_hole_addr, - &new->rb_hole_addr, - &mm->holes_addr); - } - - clear_bit_unlock(DRM_MM_NODE_ALLOCATED_BIT, &old->flags); -} -EXPORT_SYMBOL(drm_mm_replace_node); - -/** * DOC: lru scan roster * * Very often GPUs need to have continuous allocations for a given object. When @@ -700,7 +663,7 @@ EXPORT_SYMBOL(drm_mm_replace_node); * interfaces. First a scan operation needs to be initialized with * drm_mm_scan_init() or drm_mm_scan_init_with_range(). The driver adds * objects to the roster, probably by walking an LRU list, but this can be - * freely implemented. Eviction candiates are added using + * freely implemented. Eviction candidates are added using * drm_mm_scan_add_block() until a suitable hole is found or there are no * further evictable objects. Eviction roster metadata is tracked in &struct * drm_mm_scan. @@ -983,6 +946,10 @@ void drm_mm_init(struct drm_mm *mm, u64 start, u64 size) add_hole(&mm->head_node); mm->scan_active = 0; + +#ifdef CONFIG_DRM_DEBUG_MM + stack_depot_init(); +#endif } EXPORT_SYMBOL(drm_mm_init); |