On Wed, May 20, 2015 at 12:57 PM, Malte Schröder <malte at tnxip.de> wrote: > On 05/20/15 17:37, Alex Deucher wrote: >> 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 >> > > Yes, radeon.auxch=0 helps. As for bisecting, I can try, but I won't have > time for that until next week.
No need to bisect. if auxch=0 helps, I know what commit broke it. Does the attached patch help? Alex > > -- > Gruà > Malte Schröder > --------------------------------------------------------------------- > MalteSch at gmx.de > -------------- next part -------------- A non-text attachment was scrubbed... Name: 0001-drm-radeon-fix-error-flag-checking-in-native-aux-pat.patch Type: text/x-patch Size: 1055 bytes Desc: not available URL: <http://lists.freedesktop.org/archives/dri-devel/attachments/20150520/77b466de/attachment.bin>
