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b88baab8 DK |
1 | /* SPDX-License-Identifier: MIT */ |
2 | ||
3 | #ifndef __NOUVEAU_EXEC_H__ | |
4 | #define __NOUVEAU_EXEC_H__ | |
5 | ||
6 | #include <drm/drm_exec.h> | |
7 | ||
8 | #include "nouveau_drv.h" | |
9 | #include "nouveau_sched.h" | |
10 | ||
11 | struct nouveau_exec_job_args { | |
12 | struct drm_file *file_priv; | |
13 | struct nouveau_sched_entity *sched_entity; | |
14 | ||
15 | struct drm_exec exec; | |
16 | struct nouveau_channel *chan; | |
17 | ||
18 | struct { | |
19 | struct drm_nouveau_sync *s; | |
20 | u32 count; | |
21 | } in_sync; | |
22 | ||
23 | struct { | |
24 | struct drm_nouveau_sync *s; | |
25 | u32 count; | |
26 | } out_sync; | |
27 | ||
28 | struct { | |
29 | struct drm_nouveau_exec_push *s; | |
30 | u32 count; | |
31 | } push; | |
32 | }; | |
33 | ||
34 | struct nouveau_exec_job { | |
35 | struct nouveau_job base; | |
36 | struct nouveau_fence *fence; | |
37 | struct nouveau_channel *chan; | |
38 | ||
39 | struct { | |
40 | struct drm_nouveau_exec_push *s; | |
41 | u32 count; | |
42 | } push; | |
43 | }; | |
44 | ||
45 | #define to_nouveau_exec_job(job) \ | |
46 | container_of((job), struct nouveau_exec_job, base) | |
47 | ||
48 | int nouveau_exec_job_init(struct nouveau_exec_job **job, | |
49 | struct nouveau_exec_job_args *args); | |
50 | ||
e39701e3 | 51 | int nouveau_exec_ioctl_exec(struct drm_device *dev, void *data, |
b88baab8 DK |
52 | struct drm_file *file_priv); |
53 | ||
d59e75ee DK |
54 | static inline unsigned int |
55 | nouveau_exec_push_max_from_ib_max(int ib_max) | |
56 | { | |
57 | /* Limit the number of IBs per job to half the size of the ring in order | |
58 | * to avoid the ring running dry between submissions and preserve one | |
59 | * more slot for the job's HW fence. | |
60 | */ | |
61 | return ib_max > 1 ? ib_max / 2 - 1 : 0; | |
62 | } | |
63 | ||
b88baab8 | 64 | #endif |