On Tue, May 19, 2015 at 6:03 PM, Malte Schröder <malte at tnxip.de> wrote: > Hi, > with 4.1-rc display-port on my Tahiti XT stopped working. I used the > firmware from http://people.freedesktop.org/~agd5f/radeon_ucode/ as of > today. > Note: the display is an Asus PB278, it used to have problems with > display port negotiation, but those disappeared like a year ago. >
Does booting with radeon.auxch=0 on the kernel command line in grub help? Can you bisect? Alex