https://bugs.freedesktop.org/show_bug.cgi?id=22576

--- Comment #20 from smoki smoki00790@gmail.com --- Yeah, i just see that, assume that it must be scl there then compared it with radeon state, there is setup just like that, but with correct vec/scl as i assume, so i changed it like that and that is it - tcl lighting works. Three year old typo - i deserve a medal ;).

Someone could pushed it in git.