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