diff options
| author | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2008-01-31 14:11:12 +0100 |
|---|---|---|
| committer | Thomas Hellstrom <thomas-at-tungstengraphics-dot-com> | 2008-01-31 14:11:12 +0100 |
| commit | c77b0937f290568604961fa0013691349c5fcf3b (patch) | |
| tree | 6b30dd1f966d99631f72946bd6db9e02bb61ac83 | |
| parent | 47ee6237fe86a8621744bbd6cecb8b5e58848b05 (diff) | |
Add an fence_class_manager::last_queued_sequence member, since a
sequence number may actually turn up before the corresponding fence
object has been queued on the ring.
Fence drivers can use this member to determine whether a
sequence number must be re-reported.
| -rw-r--r-- | linux-core/drm_fence.c | 7 | ||||
| -rw-r--r-- | linux-core/drm_objects.h | 1 |
2 files changed, 5 insertions, 3 deletions
diff --git a/linux-core/drm_fence.c b/linux-core/drm_fence.c index a852c63f..247bc0a4 100644 --- a/linux-core/drm_fence.c +++ b/linux-core/drm_fence.c @@ -129,8 +129,8 @@ void drm_fence_handler(struct drm_device *dev, uint32_t fence_class, type |= fence->native_types; relevant_type = type & fence->type; - new_type = (fence->signaled_types | relevant_type) & - ~fence->signaled_types; + new_type = (fence->signaled_types | relevant_type) ^ + fence->signaled_types; if (new_type) { fence->signaled_types |= new_type; @@ -450,6 +450,7 @@ int drm_fence_object_emit(struct drm_fence_object *fence, uint32_t fence_flags, if (list_empty(&fc->ring)) fc->highest_waiting_sequence = sequence - 1; list_add_tail(&fence->ring, &fc->ring); + fc->latest_queued_sequence = sequence; write_unlock_irqrestore(&fm->lock, flags); return 0; } @@ -554,8 +555,8 @@ void drm_fence_manager_init(struct drm_device *dev) for (i = 0; i < fm->num_classes; ++i) { fence_class = &fm->fence_class[i]; + memset(fence_class, 0, sizeof(*fence_class)); INIT_LIST_HEAD(&fence_class->ring); - fence_class->pending_flush = 0; DRM_INIT_WAITQUEUE(&fence_class->fence_queue); } diff --git a/linux-core/drm_objects.h b/linux-core/drm_objects.h index c35d900f..e43e8dfd 100644 --- a/linux-core/drm_objects.h +++ b/linux-core/drm_objects.h @@ -164,6 +164,7 @@ struct drm_fence_class_manager { uint32_t waiting_types; wait_queue_head_t fence_queue; uint32_t highest_waiting_sequence; + uint32_t latest_queued_sequence; }; struct drm_fence_manager { |