drm/nouveau/mmu: fix vram heap sizing

[ Upstream commit add42781ad ]

Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Ben Skeggs 2021-01-13 17:12:52 +10:00 • committed by Greg Kroah-Hartman
commit bb2ee33ec3