[noggin]

[quote='Soli' pid='2605416' dateline='1497800329']
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AIUI there is no major underlying hardware difference between 2.0 and 2.0a or b so I'd expect compatibility in GPU terms to be software/firmware/driver issue?[cut]

I don't know if I understand this correctly but there is a hardware difference between 2.0 and 2.0a. The first series of the LG Oled EG960V TV's had no possibility to show HDR video when a HDR capable device was connected on one of the HDMI ports. A exchange of the HDMI-print solved that issue and LG did that without any extra costs over here in The Netherlands. The only issue with that was that you must ask them to do that. Later production series of the 960V had the updated HDMI hardware standard on board.

That doesn't contradict my statement. It could be that the hardware in your TV couldn't be updated by firmware by design. That doesn't mean that applies to all equipment - it just depends how the original equipment has been designed.

My comment was more about sources than displays - and just because the HDMI subsystems may be upgradeable via firmware/software, it doesn't mean that the required processing to add - say - HLG, HDR+10 etc. to a display is feasible (or even if it is - whether manufacturers will decide to do it, rather than make it a 'next year model uprade').