1// SPDX-License-Identifier: GPL-2.0+
2/* Copyright (C) 2017-2018 Broadcom */
3
4#include "v3d_drv.h"
5
6struct dma_fence *v3d_fence_create(struct v3d_dev *v3d, enum v3d_queue queue)
7{
8	struct v3d_fence *fence;
9
10	fence = kzalloc(sizeof(*fence), GFP_KERNEL);
11	if (!fence)
12		return ERR_PTR(-ENOMEM);
13
14	fence->dev = &v3d->drm;
15	fence->queue = queue;
16	fence->seqno = ++v3d->queue[queue].emit_seqno;
17	dma_fence_init(&fence->base, &v3d_fence_ops, &v3d->job_lock,
18		       v3d->queue[queue].fence_context, fence->seqno);
19
20	return &fence->base;
21}
22
23static const char *v3d_fence_get_driver_name(struct dma_fence *fence)
24{
25	return "v3d";
26}
27
28static const char *v3d_fence_get_timeline_name(struct dma_fence *fence)
29{
30	struct v3d_fence *f = to_v3d_fence(fence);
31
32	switch (f->queue) {
33	case V3D_BIN:
34		return "v3d-bin";
35	case V3D_RENDER:
36		return "v3d-render";
37	case V3D_TFU:
38		return "v3d-tfu";
39	case V3D_CSD:
40		return "v3d-csd";
41	default:
42		return NULL;
43	}
44}
45
46const struct dma_fence_ops v3d_fence_ops = {
47	.get_driver_name = v3d_fence_get_driver_name,
48	.get_timeline_name = v3d_fence_get_timeline_name,
49};
50