Comment # 5
on bug 101988
from newincpp@gmail.com
I cloned "~agd5f/linux" on the branch "drm-next-4.14-wip" and copied my .config from the 4.12.4 I was using. `uname -r` give me "4.12.0-rc7+" Now `modprobe amdgpu` is freezing my screen instead of blackscreen. `dmesg | grep amdgpu -i` give this : [ 107.804074] [drm] amdgpu kernel modesetting enabled. [ 107.804109] fb: switching to amdgpudrmfb from EFI VGA [ 107.804672] amdgpu 0000:01:00.0: SI support provided by radeon. [ 107.804674] amdgpu 0000:01:00.0: Use radeon.si_support=0 amdgpu.si_support=1 to override. Using 4.12.4 my second screen was fine, that isn't the case anymore with drm-next-4.14-wip. Using 4.12.4 I could startx (with a second screen obviously, my main screen was remaining black) now startx seems to return "no screen found". Note that radeon is still working perfectly.
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