Commit 2100292c authored by Ben Skeggs's avatar Ben Skeggs
Browse files

drm/nouveau: prevent oops if no mmu subdev present 



Signed-off-by: default avatarBen Skeggs <bskeggs@redhat.com>
parent 2a4bd8ac

drivers/gpu/drm/nouveau/nouveau_drm.c

+5 −0
Original line number Diff line number Diff line
@@ -430,6 +430,11 @@ nouveau_drm_load(struct drm_device *dev, unsigned long flags) 
	nouveau_vga_init(drm);



	if (drm->device.info.family >= NV_DEVICE_INFO_V0_TESLA) {

		if (!nvxx_device(&drm->device)->mmu) {

			ret = -ENOSYS;

			goto fail_device;

		}



		ret = nvkm_vm_new(nvxx_device(&drm->device), 0, (1ULL << 40),

				  0x1000, NULL, &drm->client.vm);

		if (ret)