On 10/07/17 08:00 PM, Martin Babutzka wrote: > Dear AMD graphics developers, > > I am one of the guys that regularly builds your amd-staging kernels and > makes them available for the lazier people. By this we get a nice > preview of DAL/DC and you get some free beta-testers. > > One of the users describe a regression here: > https://github.com/M-Bab/linux-kernel-amdgpu-binaries/issues/8 > > Unfortunately the bug details are limited but I can give some > additional information to pin the bug down: > All kernels <= 4.11.3+ (merged with amd-staging-4.11 at Fri May 26 > 18:19:03 2017 +0200) are reported to be working and the regression was > introduced with the kernels >= 4.11.4+ (merged with amd-staging-4.11 at > Thu Jun 8 19:44:44 2017 +0200). I attached a list of your commits that > were merged in this time range. The other attachment is an X.org log > with the trace when amdgpu should be loaded to run a R7 370 GPU. The user probably needs to specify amdgpu.si_support=1 radeon.si_support=0 (instead of blacklisting the radeon driver) to choose the amdgpu kernel driver for their GPU. -- Earthling Michel Dänzer | http://www.amd.com Libre software enthusiast | Mesa and X developer