https://bugzilla.kernel.org/show_bug.cgi?id=61891 --- Comment #13 from madcatx@xxxxxxxx --- "acpiphp.disable=1" in the kernel bootline fixes the problem for me. The Radeon is reported as off in vgaswitcheroo and the laptop draws less power. The DIS even powers up and down correctly with DRI_PRIME. Acpidump provided -- You are receiving this mail because: You are watching the assignee of the bug. _______________________________________________ dri-devel mailing list dri-devel@xxxxxxxxxxxxxxxxxxxxx http://lists.freedesktop.org/mailman/listinfo/dri-devel