panfrost_job.h

 1/* SPDX-License-Identifier: GPL-2.0 */
 2/* Copyright 2019 Collabora ltd. */
 3
 4#ifndef __PANFROST_JOB_H__
 5#define __PANFROST_JOB_H__
 6
 7#include <uapi/drm/panfrost_drm.h>
 8#include <drm/gpu_scheduler.h>
 9
10struct panfrost_device;
11struct panfrost_gem_object;
12struct panfrost_file_priv;
13
14struct panfrost_job {
15	struct drm_sched_job base;
16
17	struct kref refcount;
18
19	struct panfrost_device *pfdev;
20	struct panfrost_mmu *mmu;
21	struct panfrost_jm_ctx *ctx;
22
23	/* Fence to be signaled by IRQ handler when the job is complete. */
24	struct dma_fence *done_fence;
25
26	__u64 jc;
27	__u32 requirements;
28	__u32 flush_id;
29
30	struct panfrost_gem_mapping **mappings;
31	struct drm_gem_object **bos;
32	u32 bo_count;
33
34	/* Fence to be signaled by drm-sched once its done with the job */
35	struct dma_fence *render_done_fence;
36
37	struct panfrost_engine_usage *engine_usage;
38	bool is_profiled;
39	ktime_t start_time;
40	u64 start_cycles;
41};
42
43struct panfrost_js_ctx {
44	struct drm_sched_entity sched_entity;
45	bool enabled;
46};
47
48#define NUM_JOB_SLOTS 3
49
50struct panfrost_jm_ctx {
51	struct kref refcnt;
52	bool destroyed;
53	struct drm_sched_entity slot_entity[NUM_JOB_SLOTS];
54};
55
56extern const char * const panfrost_engine_names[];
57
58int panfrost_jm_ctx_create(struct drm_file *file,
59			   struct drm_panfrost_jm_ctx_create *args);
60int panfrost_jm_ctx_destroy(struct drm_file *file, u32 handle);
61void panfrost_jm_ctx_put(struct panfrost_jm_ctx *jm_ctx);
62struct panfrost_jm_ctx *panfrost_jm_ctx_get(struct panfrost_jm_ctx *jm_ctx);
63struct panfrost_jm_ctx *panfrost_jm_ctx_from_handle(struct drm_file *file, u32 handle);
64
65int panfrost_jm_init(struct panfrost_device *pfdev);
66void panfrost_jm_fini(struct panfrost_device *pfdev);
67int panfrost_jm_open(struct drm_file *file);
68void panfrost_jm_close(struct drm_file *file);
69void panfrost_jm_reset_interrupts(struct panfrost_device *pfdev);
70void panfrost_jm_enable_interrupts(struct panfrost_device *pfdev);
71void panfrost_jm_suspend_irq(struct panfrost_device *pfdev);
72int panfrost_jm_is_idle(struct panfrost_device *pfdev);
73int panfrost_job_get_slot(struct panfrost_job *job);
74int panfrost_job_push(struct panfrost_job *job);
75void panfrost_job_put(struct panfrost_job *job);
76
77#endif