https://bugs.freedesktop.org/show_bug.cgi?id=107153
--- Comment #5 from Patrik Kullman patrik.kullman@gmail.com --- For reference, they seem to reference the same line and is vanilla compared to Ubuntu-kernels:
https://github.com/torvalds/linux/blob/v4.18-rc3/drivers/gpu/drm/amd/display... https://github.com/torvalds/linux/blob/v4.18-rc4/drivers/gpu/drm/amd/display...
(According to the bug line references)