drm/nouveau/svm: fail NOUVEAU_SVM_INIT ioctl on unsupported devices
Fixes a crash when trying to create a channel on e.g. Turing GPUs when NOUVEAU_SVM_INIT was called before. Fixes: eeaf06ac ("drm/nouveau/svm: initial support for shared virtual memory") Signed-off-by:Karol Herbst <kherbst@redhat.com> Signed-off-by:
Ben Skeggs <bskeggs@redhat.com>
parent
fd55b61e