| 1 | // SPDX-License-Identifier: GPL-2.0+ |
|---|---|
| 2 | /* Copyright (C) 2017-2018 Broadcom */ |
| 3 | |
| 4 | #include "v3d_drv.h" |
| 5 | |
| 6 | struct dma_fence *v3d_fence_create(struct v3d_dev *v3d, enum v3d_queue q) |
| 7 | { |
| 8 | struct v3d_queue_state *queue = &v3d->queue[q]; |
| 9 | struct v3d_fence *fence; |
| 10 | |
| 11 | fence = kzalloc(sizeof(*fence), GFP_KERNEL); |
| 12 | if (!fence) |
| 13 | return ERR_PTR(error: -ENOMEM); |
| 14 | |
| 15 | fence->dev = &v3d->drm; |
| 16 | fence->queue = q; |
| 17 | fence->seqno = ++queue->emit_seqno; |
| 18 | dma_fence_init(fence: &fence->base, ops: &v3d_fence_ops, lock: &queue->fence_lock, |
| 19 | context: queue->fence_context, seqno: fence->seqno); |
| 20 | |
| 21 | return &fence->base; |
| 22 | } |
| 23 | |
| 24 | static const char *v3d_fence_get_driver_name(struct dma_fence *fence) |
| 25 | { |
| 26 | return "v3d"; |
| 27 | } |
| 28 | |
| 29 | static const char *v3d_fence_get_timeline_name(struct dma_fence *fence) |
| 30 | { |
| 31 | struct v3d_fence *f = to_v3d_fence(fence); |
| 32 | |
| 33 | switch (f->queue) { |
| 34 | case V3D_BIN: |
| 35 | return "v3d-bin"; |
| 36 | case V3D_RENDER: |
| 37 | return "v3d-render"; |
| 38 | case V3D_TFU: |
| 39 | return "v3d-tfu"; |
| 40 | case V3D_CSD: |
| 41 | return "v3d-csd"; |
| 42 | default: |
| 43 | return NULL; |
| 44 | } |
| 45 | } |
| 46 | |
| 47 | const struct dma_fence_ops v3d_fence_ops = { |
| 48 | .get_driver_name = v3d_fence_get_driver_name, |
| 49 | .get_timeline_name = v3d_fence_get_timeline_name, |
| 50 | }; |
| 51 |