My M1 MBA is directly connected to DELL U2720Q with a single USB-C cable. HDR is turned on in both MacOS and the monitor (as DisplayHDR). Confirmed P3 colours and HDR videos can be displayed and played correctly under this set of settings.
However, very often the external monitor is unable to maintain HDR on and ability to show P3 colours (1) after waking up from slept MacOS, and (2) with the MacBook lid closed.
I noticed and verified this issue by noticing that the colour becomes much more saturated, while the P3 colours are no longer visible. It seems to me the colour profile has switched itself and no longer HDR.
Just wondering if anyone is facing the same issue.
However, very often the external monitor is unable to maintain HDR on and ability to show P3 colours (1) after waking up from slept MacOS, and (2) with the MacBook lid closed.
I noticed and verified this issue by noticing that the colour becomes much more saturated, while the P3 colours are no longer visible. It seems to me the colour profile has switched itself and no longer HDR.
Just wondering if anyone is facing the same issue.