The patch originally at https://cgit.freedesktop.org/~agd5f/linux/commit/?h=amd-staging-drm-next&id=8242308cc3c4419832126ab78ca409ce7110ab33 is no longer available: > Bad commit reference: 8242308cc3c4419832126ab78ca409ce7110ab33 Is an equivalent now in mainline? I'd like to try it out on one of our POWER9 boxes. Thanks!