drm/panthor/panthor_heap.c

39  * struct panthor_heap_chunk - Structure used to keep track of allocated heap chunks.
42 	/** @node: Used to insert the heap chunk in panthor_heap::chunks. */
53 	/** @chunks: List containing all heap chunks allocated so far. */
54 	struct list_head chunks;  member
56 	/** @lock: Lock protecting insertion in the chunks list. */
62 	/** @max_chunks: Maximum number of chunks. */
67 	 * we'd let the FW wait for fragment job to finish instead of allocating new chunks.
71 	/** @chunk_count: Number of heap chunks currently allocated. */
163 	if (initial_chunk && !list_empty(&heap->chunks)) {  in panthor_alloc_heap_chunk()
167 		prev_chunk = list_first_entry(&heap->chunks,  in panthor_alloc_heap_chunk()
179 	list_add(&chunk->node, &heap->chunks);  in panthor_alloc_heap_chunk()
199 	list_for_each_entry_safe(chunk, tmp, &heap->chunks, node)  in panthor_free_heap_chunks()
258  * @max_chunks: Maximum number of chunks that can be allocated.
306 	INIT_LIST_HEAD(&heap->chunks);  in panthor_heap_create()
316 	first_chunk = list_first_entry(&heap->chunks,  in panthor_heap_create()
387 	list_for_each_entry_safe(chunk, tmp, &heap->chunks, node) {  in panthor_heap_return_chunk()
420  * - -ENOMEM if the tiler context reached the maximum number of chunks
448 	 * reached the maximum number of chunks, let the FW figure another way to  in panthor_heap_grow()
473 	chunk = list_first_entry(&heap->chunks,  in panthor_heap_grow()