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| author | Daniel Vetter <daniel.vetter@ffwll.ch> | 2024-02-26 11:41:07 +0100 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2024-02-26 11:41:07 +0100 |
| commit | f112b68f273fb0121cb64e0c3ac06adcb91e32b8 (patch) | |
| tree | 8e5ca44719c39e6d37d9a85c6c1b5759952e3da7 /drivers/gpu/drm/drm_syncobj.c | |
| parent | aa775edbbe7b44cc732bfa7c56ac3957d84113d5 (diff) | |
| parent | d206a76d7d2726f3b096037f2079ce0bd3ba329b (diff) | |
| download | linux-f112b68f273fb0121cb64e0c3ac06adcb91e32b8.tar.gz linux-f112b68f273fb0121cb64e0c3ac06adcb91e32b8.tar.bz2 linux-f112b68f273fb0121cb64e0c3ac06adcb91e32b8.zip | |
Merge v6.8-rc6 into drm-next
Thomas Zimmermann asked to backmerge -rc6 for drm-misc branches,
there's a few same-area-changed conflicts (xe and amdgpu mostly) that
are getting a bit too annoying.
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/drm_syncobj.c')
| -rw-r--r-- | drivers/gpu/drm/drm_syncobj.c | 13 |
1 files changed, 12 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index 4dd790367765..a0e94217b511 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -1423,10 +1423,21 @@ syncobj_eventfd_entry_func(struct drm_syncobj *syncobj, /* This happens inside the syncobj lock */ fence = dma_fence_get(rcu_dereference_protected(syncobj->fence, 1)); + if (!fence) + return; + ret = dma_fence_chain_find_seqno(&fence, entry->point); - if (ret != 0 || !fence) { + if (ret != 0) { + /* The given seqno has not been submitted yet. */ dma_fence_put(fence); return; + } else if (!fence) { + /* If dma_fence_chain_find_seqno returns 0 but sets the fence + * to NULL, it implies that the given seqno is signaled and a + * later seqno has already been submitted. Assign a stub fence + * so that the eventfd still gets signaled below. + */ + fence = dma_fence_get_stub(); } list_del_init(&entry->node); |