PS prime sync enabling is via modprobe.d file, the method I have always used. I actually have the latest build from the ppa, so technically the bug should be report there but it also existed yesterday when the version of the driver was the same as currently in bionic.
PS prime sync enabling is via modprobe.d file, the method I have always used. I actually have the latest build from the ppa, so technically the bug should be report there but it also existed yesterday when the version of the driver was the same as currently in bionic.