xref: /OK3568_Linux_fs/kernel/drivers/gpu/drm/panfrost/panfrost_job.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /* Copyright 2019 Collabora ltd. */
3*4882a593Smuzhiyun 
4*4882a593Smuzhiyun #ifndef __PANFROST_JOB_H__
5*4882a593Smuzhiyun #define __PANFROST_JOB_H__
6*4882a593Smuzhiyun 
7*4882a593Smuzhiyun #include <uapi/drm/panfrost_drm.h>
8*4882a593Smuzhiyun #include <drm/gpu_scheduler.h>
9*4882a593Smuzhiyun 
10*4882a593Smuzhiyun struct panfrost_device;
11*4882a593Smuzhiyun struct panfrost_gem_object;
12*4882a593Smuzhiyun struct panfrost_file_priv;
13*4882a593Smuzhiyun 
14*4882a593Smuzhiyun struct panfrost_job {
15*4882a593Smuzhiyun 	struct drm_sched_job base;
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun 	struct kref refcount;
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun 	struct panfrost_device *pfdev;
20*4882a593Smuzhiyun 	struct panfrost_file_priv *file_priv;
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun 	/* Optional fences userspace can pass in for the job to depend on. */
23*4882a593Smuzhiyun 	struct dma_fence **in_fences;
24*4882a593Smuzhiyun 	u32 in_fence_count;
25*4882a593Smuzhiyun 
26*4882a593Smuzhiyun 	/* Fence to be signaled by IRQ handler when the job is complete. */
27*4882a593Smuzhiyun 	struct dma_fence *done_fence;
28*4882a593Smuzhiyun 
29*4882a593Smuzhiyun 	__u64 jc;
30*4882a593Smuzhiyun 	__u32 requirements;
31*4882a593Smuzhiyun 	__u32 flush_id;
32*4882a593Smuzhiyun 
33*4882a593Smuzhiyun 	/* Exclusive fences we have taken from the BOs to wait for */
34*4882a593Smuzhiyun 	struct dma_fence **implicit_fences;
35*4882a593Smuzhiyun 	struct panfrost_gem_mapping **mappings;
36*4882a593Smuzhiyun 	struct drm_gem_object **bos;
37*4882a593Smuzhiyun 	u32 bo_count;
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun 	/* Fence to be signaled by drm-sched once its done with the job */
40*4882a593Smuzhiyun 	struct dma_fence *render_done_fence;
41*4882a593Smuzhiyun };
42*4882a593Smuzhiyun 
43*4882a593Smuzhiyun int panfrost_job_init(struct panfrost_device *pfdev);
44*4882a593Smuzhiyun void panfrost_job_fini(struct panfrost_device *pfdev);
45*4882a593Smuzhiyun int panfrost_job_open(struct panfrost_file_priv *panfrost_priv);
46*4882a593Smuzhiyun void panfrost_job_close(struct panfrost_file_priv *panfrost_priv);
47*4882a593Smuzhiyun int panfrost_job_push(struct panfrost_job *job);
48*4882a593Smuzhiyun void panfrost_job_put(struct panfrost_job *job);
49*4882a593Smuzhiyun void panfrost_job_enable_interrupts(struct panfrost_device *pfdev);
50*4882a593Smuzhiyun int panfrost_job_is_idle(struct panfrost_device *pfdev);
51*4882a593Smuzhiyun 
52*4882a593Smuzhiyun #endif
53