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Diffstat (limited to 'src/devices/video/poly.h')
-rw-r--r-- | src/devices/video/poly.h | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/src/devices/video/poly.h b/src/devices/video/poly.h index d61e1bd6137..378e433b269 100644 --- a/src/devices/video/poly.h +++ b/src/devices/video/poly.h @@ -622,6 +622,10 @@ void *poly_manager<BaseType, ObjectType, MaxParams, Flags>::work_item_callback(v template<typename BaseType, class ObjectType, int MaxParams, u8 Flags> void poly_manager<BaseType, ObjectType, MaxParams, Flags>::wait(const char *debug_reason) { + // early out if no units outstanding + if (m_unit.count() == 0) + return; + #if TRACK_POLY_WAITS int items = osd_work_queue_items(m_queue); osd_ticks_t time = get_profile_ticks(); |