Problem in Photoshop in every tools i did and this always happen (after update a Big Sur)

[johnny corcoran]

Every tool, just as a paintbrush, it went black square when paint, even level, adjustments, etc goes the same, see the video. any way to fix it? I even click off the Graphics Processor off to see any different but nothing

[c.pfaffenbichler]

Did you restart Photoshop after unchecking »Use Graphics Processor«? 

[War Unicorn]

And petition Apple to test and update their video drivers; this is like the umpteenth time I've seen this problem for Mac users.

[johnny corcoran]

Hi yes i did restart, just turn off the graphics processor, nothing happen, then turn it back on, restart, and its working! weirds!