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| author | Philipp Zabel <p.zabel@pengutronix.de> | 2017-03-02 16:14:43 +0100 |
|---|---|---|
| committer | Lucas Stach <l.stach@pengutronix.de> | 2017-03-29 16:23:25 +0200 |
| commit | 78ec187f64fa5d8f837b8fc5bbbad88a89b63ab4 (patch) | |
| tree | 75195caf4388cec536cf86e81f623f00e6e26daa /drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | |
| parent | 6e2b98cf3b4f81df68a150e1d8737100160e1262 (diff) | |
drm/etnaviv: submit support for out-fences
Based on commit 4cd0945901a6 ("drm/msm: submit support for out-fences").
We increment the minor driver version so userspace can detect explicit
fence support.
Signed-off-by: Philipp Zabel <p.zabel@pengutronix.de>
Signed-off-by: Lucas Stach <l.stach@pengutronix.de>
---
v3: Changed to work with fence returned from GPU submit.
Diffstat (limited to 'drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c')
| -rw-r--r-- | drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c | 28 |
1 files changed, 28 insertions, 0 deletions
diff --git a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c index 1b6f9b843815..e1909429837e 100644 --- a/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c +++ b/drivers/gpu/drm/etnaviv/etnaviv_gem_submit.c @@ -309,6 +309,8 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, struct etnaviv_cmdbuf *cmdbuf; struct etnaviv_gpu *gpu; struct dma_fence *in_fence = NULL; + struct sync_file *sync_file = NULL; + int out_fence_fd = -1; void *stream; int ret; @@ -376,6 +378,14 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, goto err_submit_cmds; } + if (args->flags & ETNA_SUBMIT_FENCE_FD_OUT) { + out_fence_fd = get_unused_fd_flags(O_CLOEXEC); + if (out_fence_fd < 0) { + ret = out_fence_fd; + goto err_submit_cmds; + } + } + submit = submit_create(dev, gpu, args->nr_bos); if (!submit) { ret = -ENOMEM; @@ -436,6 +446,22 @@ int etnaviv_ioctl_gem_submit(struct drm_device *dev, void *data, if (ret == 0) cmdbuf = NULL; + if (args->flags & ETNA_SUBMIT_FENCE_FD_OUT) { + /* + * This can be improved: ideally we want to allocate the sync + * file before kicking off the GPU job and just attach the + * fence to the sync file here, eliminating the ENOMEM + * possibility at this stage. + */ + sync_file = sync_file_create(submit->fence); + if (!sync_file) { + ret = -ENOMEM; + goto out; + } + fd_install(out_fence_fd, sync_file->file); + } + + args->fence_fd = out_fence_fd; args->fence = submit->fence->seqno; out: @@ -455,6 +481,8 @@ err_submit_objects: submit_cleanup(submit); err_submit_cmds: + if (ret && (out_fence_fd >= 0)) + put_unused_fd(out_fence_fd); /* if we still own the cmdbuf */ if (cmdbuf) etnaviv_cmdbuf_free(cmdbuf); |