QMS is unlikely to help with that. It appears to be targeted at allowing a single device to vary its refresh rate or resolution without requiring a complete dis

QMS is unlikely to help with that. It appears to be targeted at allowing a single device to vary its refresh rate or resolution without requiring a complete disconnect/reconnect cycle. The delay you're seeing is more likely caused by HDCP hand shaking and key negotiation. Depending on your situation, there are external switchers that handle key caching so you can switch cleanly - complete overkill for personal user though as they are not cheap.