On Wed, Jun 07, 2023 at 01:19:40PM +0800, AceLan Kao wrote: > Gfx drivers(i915/amdgpu/nvidia) depend on the drm driver, so delaying > the loading of dell_laptop after drm can ease the issue the most. > Right, it's still possible to encounter the issue, unfortunately, we > do not have a better solution for it at the moment. We could unregister inappropriate backlight drivers when a more appropriate one is loaded, or the policy decision around which driver to use could be made in userland?