https://bugzilla.kernel.org/show_bug.cgi?id=60606
--- Comment #3 from Jani Nikula jani.nikula@intel.com --- Sebastien, to confirm, you need "drm/i915: do not disable backlight on vgaswitcheroo switch off" to be able to switch from IGD to DIS? So having that is an improvement? And without that, the workarounds won't help?