Hello Gulfstream, hello Jean-Luc, this report got opened mentioning a "Thinkpad P1".
Reading through some pages about that device, it looks like it contains some "hybrid graphics". Maybe you both could confirm that your devices have such "hybrid graphics", and if yes, maybe you could give some more information of both graphic devices and how the switching between them is configured? (I don't have such a device accessible.) Kind regards, Bernhard
