https://bugs.freedesktop.org/show_bug.cgi?id=81382
--- Comment #25 from Alex Deucher <agd5f at yahoo.com> --- (In reply to comment #24) > Apply them both together. Well, assuming your laptop has the same pci ids as Patrick. If not, just append radeon.backlight=0 to the kernel command line in grub and attach your lspci -vnn output. -- You are receiving this mail because: You are the assignee for the bug. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20140918/2a5e9c1e/attachment.html>