SecBSD/src
2
0
Fork 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

sync with OpenBSD -current

Browse source
This commit is contained in:
purplerain 2024-03-04 15:49:10 +00:00
parent 3c7ee3c11c
commit dd4d2242a5
Signed by: purplerain
GPG key ID: F42C07F07E2E35B7
44 changed files with 850 additions and 587 deletions
Download patch file Download diff file Expand all files Collapse all files

19
sys/dev/pci/drm/drm_syncobj.c
View file

@ -1096,7 +1096,8 @@ static signed long drm_syncobj_array_wait_timeout(struct drm_syncobj **syncobjs,
uint64_t *points;
uint32_t signaled_count, i;
if (flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT)
if (flags & (DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT |
DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE))
lockdep_assert_none_held_once();
points = kmalloc_array(count, sizeof(*points), GFP_KERNEL);
@ -1169,7 +1170,8 @@ static signed long drm_syncobj_array_wait_timeout(struct drm_syncobj **syncobjs,
* fallthough and try a 0 timeout wait!
*/
if (flags & DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT) {
if (flags & (DRM_SYNCOBJ_WAIT_FLAGS_WAIT_FOR_SUBMIT |
DRM_SYNCOBJ_WAIT_FLAGS_WAIT_AVAILABLE)) {
for (i = 0; i < count; ++i)
drm_syncobj_fence_add_wait(syncobjs[i], &entries[i]);
}
@ -1444,10 +1446,21 @@ 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);