From https://cgit.freedesktop.org/drm/ commit 72fa02fdf83306c52bc1eede28359e3fa32a151a Author: Dave Airlie <airlied@redhat.com> Date: Wed Jan 24 14:24:25 2024 +1000 nouveau: add an ioctl to report vram usage Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/27662>