1
2
3
4#ifndef __LIMA_SCHED_H__
5#define __LIMA_SCHED_H__
6
7#include <drm/gpu_scheduler.h>
8
9struct lima_vm;
10
11struct lima_sched_task {
12 struct drm_sched_job base;
13
14 struct lima_vm *vm;
15 void *frame;
16
17 struct xarray deps;
18 unsigned long last_dep;
19
20 struct lima_bo **bos;
21 int num_bos;
22
23
24 struct dma_fence *fence;
25};
26
27struct lima_sched_context {
28 struct drm_sched_entity base;
29};
30
31#define LIMA_SCHED_PIPE_MAX_MMU 8
32#define LIMA_SCHED_PIPE_MAX_L2_CACHE 2
33#define LIMA_SCHED_PIPE_MAX_PROCESSOR 8
34
35struct lima_ip;
36
37struct lima_sched_pipe {
38 struct drm_gpu_scheduler base;
39
40 u64 fence_context;
41 u32 fence_seqno;
42 spinlock_t fence_lock;
43
44 struct lima_sched_task *current_task;
45 struct lima_vm *current_vm;
46
47 struct lima_ip *mmu[LIMA_SCHED_PIPE_MAX_MMU];
48 int num_mmu;
49
50 struct lima_ip *l2_cache[LIMA_SCHED_PIPE_MAX_L2_CACHE];
51 int num_l2_cache;
52
53 struct lima_ip *processor[LIMA_SCHED_PIPE_MAX_PROCESSOR];
54 int num_processor;
55
56 struct lima_ip *bcast_processor;
57 struct lima_ip *bcast_mmu;
58
59 u32 done;
60 bool error;
61 atomic_t task;
62
63 int frame_size;
64 struct kmem_cache *task_slab;
65
66 int (*task_validate)(struct lima_sched_pipe *pipe, struct lima_sched_task *task);
67 void (*task_run)(struct lima_sched_pipe *pipe, struct lima_sched_task *task);
68 void (*task_fini)(struct lima_sched_pipe *pipe);
69 void (*task_error)(struct lima_sched_pipe *pipe);
70 void (*task_mmu_error)(struct lima_sched_pipe *pipe);
71
72 struct work_struct error_work;
73};
74
75int lima_sched_task_init(struct lima_sched_task *task,
76 struct lima_sched_context *context,
77 struct lima_bo **bos, int num_bos,
78 struct lima_vm *vm);
79void lima_sched_task_fini(struct lima_sched_task *task);
80
81int lima_sched_context_init(struct lima_sched_pipe *pipe,
82 struct lima_sched_context *context,
83 atomic_t *guilty);
84void lima_sched_context_fini(struct lima_sched_pipe *pipe,
85 struct lima_sched_context *context);
86struct dma_fence *lima_sched_context_queue_task(struct lima_sched_context *context,
87 struct lima_sched_task *task);
88
89int lima_sched_pipe_init(struct lima_sched_pipe *pipe, const char *name);
90void lima_sched_pipe_fini(struct lima_sched_pipe *pipe);
91void lima_sched_pipe_task_done(struct lima_sched_pipe *pipe);
92
93static inline void lima_sched_pipe_mmu_error(struct lima_sched_pipe *pipe)
94{
95 pipe->error = true;
96 pipe->task_mmu_error(pipe);
97}
98
99int lima_sched_slab_init(void);
100void lima_sched_slab_fini(void);
101
102#endif
103
