What is the fine-grained topic of the following text: The majority of 4K Blu-ray discs require HDCP2.2 on TV to play back HDR, whereas the HDMI input on this TV support only HDCP1.4; accordingly not all HDR contents are guaranteed to be enjoyed on the TV. Only return the topic.
Incompatibility of a TV's HDMI input with 4K Blu-ray discs HDR playback due to HDCP version difference.