Commits
Ben Skeggs committed 140d4baa12b
drm/nouveau/kms/nv50-: guard against enabling cursor on disabled heads commit 697bb728d9e2367020aa0c5af7363809d7658e43 upstream. Userspace has started doing this, which upsets the display class hw error checking in various unpleasant ways. Signed-off-by: Ben Skeggs <bskeggs@redhat.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>