diff options
Diffstat (limited to 'drivers/gpu/drm/radeon/radeon_semaphore.c')
| -rw-r--r-- | drivers/gpu/drm/radeon/radeon_semaphore.c | 38 |
1 files changed, 35 insertions, 3 deletions
diff --git a/drivers/gpu/drm/radeon/radeon_semaphore.c b/drivers/gpu/drm/radeon/radeon_semaphore.c index 56d9fd66d8ae..5bfbd8372a3c 100644 --- a/drivers/gpu/drm/radeon/radeon_semaphore.c +++ b/drivers/gpu/drm/radeon/radeon_semaphore.c @@ -96,15 +96,15 @@ bool radeon_semaphore_emit_wait(struct radeon_device *rdev, int ridx, } /** - * radeon_semaphore_sync_to - use the semaphore to sync to a fence + * radeon_semaphore_sync_fence - use the semaphore to sync to a fence * * @semaphore: semaphore object to add fence to * @fence: fence to sync to * * Sync to the fence using this semaphore object */ -void radeon_semaphore_sync_to(struct radeon_semaphore *semaphore, - struct radeon_fence *fence) +void radeon_semaphore_sync_fence(struct radeon_semaphore *semaphore, + struct radeon_fence *fence) { struct radeon_fence *other; @@ -116,6 +116,38 @@ void radeon_semaphore_sync_to(struct radeon_semaphore *semaphore, } /** + * radeon_semaphore_sync_to - use the semaphore to sync to a reservation object + * + * @sema: semaphore object to add fence from reservation object to + * @resv: reservation object with embedded fence + * @shared: true if we should onyl sync to the exclusive fence + * + * Sync to the fence using this semaphore object + */ +void radeon_semaphore_sync_resv(struct radeon_semaphore *sema, + struct reservation_object *resv, + bool shared) +{ + struct reservation_object_list *flist; + struct fence *f; + unsigned i; + + /* always sync to the exclusive fence */ + f = reservation_object_get_excl(resv); + radeon_semaphore_sync_fence(sema, (struct radeon_fence*)f); + + flist = reservation_object_get_list(resv); + if (shared || !flist) + return; + + for (i = 0; i < flist->shared_count; ++i) { + f = rcu_dereference_protected(flist->shared[i], + reservation_object_held(resv)); + radeon_semaphore_sync_fence(sema, (struct radeon_fence*)f); + } +} + +/** * radeon_semaphore_sync_rings - sync ring to all registered fences * * @rdev: radeon_device pointer |