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| author |   Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-01-18 10:54:02 +0000 |
|---|---|---|
| committer | Tvrtko Ursulin <tvrtko.ursulin@intel.com> | 2022-01-18 10:54:02 +0000 |
| commit | 647bfd26bf054313305ea9c2c4a1c71f3bbfee63 (patch) | |
| tree | 49abfde459ef32c9811d06ae59dfbaf0000762ab /drivers/gpu/drm/drm_syncobj.c | |
| parent | i915: make array flex_regs static const (diff) | |
| parent | Merge tag 'amd-drm-next-5.17-2022-01-12' of https://gitlab.freedesktop.org/agd5f/linux into drm-next (diff) | |
| download | wireguard-linux-647bfd26bf054313305ea9c2c4a1c71f3bbfee63.tar.xz wireguard-linux-647bfd26bf054313305ea9c2c4a1c71f3bbfee63.zip | |
Merge drm/drm-next into drm-intel-gt-next
Maarten needs backmerge to account for header file renames/changes which
landed via drm-intel-next and are interfering with his pinning work.
Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Diffstat (limited to 'drivers/gpu/drm/drm_syncobj.c')
| -rw-r--r-- | drivers/gpu/drm/drm_syncobj.c | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c index c9a9d74f338c..c313a5b4549c 100644 --- a/drivers/gpu/drm/drm_syncobj.c +++ b/drivers/gpu/drm/drm_syncobj.c @@ -404,8 +404,17 @@ int drm_syncobj_find_fence(struct drm_file *file_private, if (*fence) { ret = dma_fence_chain_find_seqno(fence, point); - if (!ret) + if (!ret) { + /* If the requested seqno is already signaled + * drm_syncobj_find_fence may return a NULL + * fence. To make sure the recipient gets + * signalled, use a new fence instead. + */ + if (!*fence) + *fence = dma_fence_get_stub(); + goto out; + } dma_fence_put(*fence); } else { ret = -EINVAL; |