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-rw-r--r--drivers/gpu/drm/drm_syncobj.c37
-rw-r--r--include/uapi/drm/drm.h3
2 files changed, 24 insertions, 16 deletions
diff --git a/drivers/gpu/drm/drm_syncobj.c b/drivers/gpu/drm/drm_syncobj.c
index 9ec334663c2d..669c93fe2500 100644
--- a/drivers/gpu/drm/drm_syncobj.c
+++ b/drivers/gpu/drm/drm_syncobj.c
@@ -1280,7 +1280,7 @@ drm_syncobj_timeline_signal_ioctl(struct drm_device *dev, void *data,
if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE))
return -EOPNOTSUPP;
- if (args->pad != 0)
+ if (args->flags != 0)
return -EINVAL;
if (args->count_handles == 0)
@@ -1351,7 +1351,7 @@ int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
if (!drm_core_check_feature(dev, DRIVER_SYNCOBJ_TIMELINE))
return -EOPNOTSUPP;
- if (args->pad != 0)
+ if (args->flags & ~DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED)
return -EINVAL;
if (args->count_handles == 0)
@@ -1372,25 +1372,32 @@ int drm_syncobj_query_ioctl(struct drm_device *dev, void *data,
fence = drm_syncobj_fence_get(syncobjs[i]);
chain = to_dma_fence_chain(fence);
if (chain) {
- struct dma_fence *iter, *last_signaled = NULL;
-
- dma_fence_chain_for_each(iter, fence) {
- if (iter->context != fence->context) {
- dma_fence_put(iter);
- /* It is most likely that timeline has
- * unorder points. */
- break;
+ struct dma_fence *iter, *last_signaled =
+ dma_fence_get(fence);
+
+ if (args->flags &
+ DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED) {
+ point = fence->seqno;
+ } else {
+ dma_fence_chain_for_each(iter, fence) {
+ if (iter->context != fence->context) {
+ dma_fence_put(iter);
+ /* It is most likely that timeline has
+ * unorder points. */
+ break;
+ }
+ dma_fence_put(last_signaled);
+ last_signaled = dma_fence_get(iter);
}
- dma_fence_put(last_signaled);
- last_signaled = dma_fence_get(iter);
+ point = dma_fence_is_signaled(last_signaled) ?
+ last_signaled->seqno :
+ to_dma_fence_chain(last_signaled)->prev_seqno;
}
- point = dma_fence_is_signaled(last_signaled) ?
- last_signaled->seqno :
- to_dma_fence_chain(last_signaled)->prev_seqno;
dma_fence_put(last_signaled);
} else {
point = 0;
}
+ dma_fence_put(fence);
ret = copy_to_user(&points[i], &point, sizeof(uint64_t));
ret = ret ? -EFAULT : 0;
if (ret)
diff --git a/include/uapi/drm/drm.h b/include/uapi/drm/drm.h
index 8a5b2f8f8eb9..868bf7996c0f 100644
--- a/include/uapi/drm/drm.h
+++ b/include/uapi/drm/drm.h
@@ -778,11 +778,12 @@ struct drm_syncobj_array {
__u32 pad;
};
+#define DRM_SYNCOBJ_QUERY_FLAGS_LAST_SUBMITTED (1 << 0) /* last available point on timeline syncobj */
struct drm_syncobj_timeline_array {
__u64 handles;
__u64 points;
__u32 count_handles;
- __u32 pad;
+ __u32 flags;
};