diff options
Diffstat (limited to 'drivers/gpu/drm/panthor/panthor_heap.h')
| -rw-r--r-- | drivers/gpu/drm/panthor/panthor_heap.h | 39 |
1 files changed, 39 insertions, 0 deletions
diff --git a/drivers/gpu/drm/panthor/panthor_heap.h b/drivers/gpu/drm/panthor/panthor_heap.h new file mode 100644 index 000000000000..25a5f2bba445 --- /dev/null +++ b/drivers/gpu/drm/panthor/panthor_heap.h @@ -0,0 +1,39 @@ +/* SPDX-License-Identifier: GPL-2.0 or MIT */ +/* Copyright 2023 Collabora ltd. */ + +#ifndef __PANTHOR_HEAP_H__ +#define __PANTHOR_HEAP_H__ + +#include <linux/types.h> + +struct panthor_device; +struct panthor_heap_pool; +struct panthor_vm; + +int panthor_heap_create(struct panthor_heap_pool *pool, + u32 initial_chunk_count, + u32 chunk_size, + u32 max_chunks, + u32 target_in_flight, + u64 *heap_ctx_gpu_va, + u64 *first_chunk_gpu_va); +int panthor_heap_destroy(struct panthor_heap_pool *pool, u32 handle); + +struct panthor_heap_pool * +panthor_heap_pool_create(struct panthor_device *ptdev, struct panthor_vm *vm); +void panthor_heap_pool_destroy(struct panthor_heap_pool *pool); + +struct panthor_heap_pool * +panthor_heap_pool_get(struct panthor_heap_pool *pool); +void panthor_heap_pool_put(struct panthor_heap_pool *pool); + +int panthor_heap_grow(struct panthor_heap_pool *pool, + u64 heap_gpu_va, + u32 renderpasses_in_flight, + u32 pending_frag_count, + u64 *new_chunk_gpu_va); +int panthor_heap_return_chunk(struct panthor_heap_pool *pool, + u64 heap_gpu_va, + u64 chunk_gpu_va); + +#endif |