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| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-10 16:13:06 +0300 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2017-04-10 16:13:06 +0300 |
| commit | 523aa3586ffb1fc11a9bf88f77ebaf71a15eb998 (patch) | |
| tree | 1fe96f54e8f1e667798a49ae4b3f951feb136ae0 /drivers/gpu/drm/ttm/ttm_object.c | |
| parent | fd0f50db2eb72555ef8f70af14c1e3ee2079b32c (diff) | |
| parent | 39da7c509acff13fc8cb12ec1bb20337c988ed36 (diff) | |
| download | linux-523aa3586ffb1fc11a9bf88f77ebaf71a15eb998.tar.xz | |
Merge 4.11-rc6 into driver-core-next
We want the fixes in here as well for testing.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/ttm/ttm_object.c')
| -rw-r--r-- | drivers/gpu/drm/ttm/ttm_object.c | 14 |
1 files changed, 8 insertions, 6 deletions
diff --git a/drivers/gpu/drm/ttm/ttm_object.c b/drivers/gpu/drm/ttm/ttm_object.c index fdb451e3ec01..26a7ad0f4789 100644 --- a/drivers/gpu/drm/ttm/ttm_object.c +++ b/drivers/gpu/drm/ttm/ttm_object.c @@ -179,7 +179,7 @@ int ttm_base_object_init(struct ttm_object_file *tfile, if (unlikely(ret != 0)) goto out_err0; - ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL); + ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL, false); if (unlikely(ret != 0)) goto out_err1; @@ -318,7 +318,8 @@ EXPORT_SYMBOL(ttm_ref_object_exists); int ttm_ref_object_add(struct ttm_object_file *tfile, struct ttm_base_object *base, - enum ttm_ref_type ref_type, bool *existed) + enum ttm_ref_type ref_type, bool *existed, + bool require_existed) { struct drm_open_hash *ht = &tfile->ref_hash[ref_type]; struct ttm_ref_object *ref; @@ -345,6 +346,9 @@ int ttm_ref_object_add(struct ttm_object_file *tfile, } rcu_read_unlock(); + if (require_existed) + return -EPERM; + ret = ttm_mem_global_alloc(mem_glob, sizeof(*ref), false, false); if (unlikely(ret != 0)) @@ -449,10 +453,10 @@ void ttm_object_file_release(struct ttm_object_file **p_tfile) ttm_ref_object_release(&ref->kref); } + spin_unlock(&tfile->lock); for (i = 0; i < TTM_REF_NUM; ++i) drm_ht_remove(&tfile->ref_hash[i]); - spin_unlock(&tfile->lock); ttm_object_file_unref(&tfile); } EXPORT_SYMBOL(ttm_object_file_release); @@ -529,9 +533,7 @@ void ttm_object_device_release(struct ttm_object_device **p_tdev) *p_tdev = NULL; - spin_lock(&tdev->object_lock); drm_ht_remove(&tdev->object_hash); - spin_unlock(&tdev->object_lock); kfree(tdev); } @@ -635,7 +637,7 @@ int ttm_prime_fd_to_handle(struct ttm_object_file *tfile, prime = (struct ttm_prime_object *) dma_buf->priv; base = &prime->base; *handle = base->hash.key; - ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL); + ret = ttm_ref_object_add(tfile, base, TTM_REF_USAGE, NULL, false); dma_buf_put(dma_buf); |