v3d_fence.c 1.1 KB

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