I have done some more investigation into the NVIDIA compile failures with Kernel 5.1-rc1, and now have a – rather inelegant – solution. I found clues to some of the errors in a post relating to nouveau: https://lkml.org/lkml/2019/2/20/50 and the rest were due to content removed from /include/drm/drm_crtc_helper.h in Kernel 5.1-rc1: https://elixir.bootlin.com/linux/v5.1-rc1/source/include/drm/drm_crtc_helper.h compared to: https://elixir.bootlin.com/linux/v5.0.3/source/include/drm/drm_crtc_helper.h.  I also … Continue reading →