drm/nouveau/device: provide a way for devinit to mark engines as disabled (f0d13e3a) · Commits · e / devices / android_kernel_teracube_2e

drivers/gpu/drm/nouveau/core/core/engine.c

+18 −5

Original line number	Diff line number	Diff line
		@@ -42,12 +42,25 @@ nouveau_engine_create_(struct nouveau_object *parent,
		if (ret)
		return ret;

		if ( parent &&
		!nouveau_boolopt(nv_device(parent)->cfgopt, iname, enable)) {
		if (parent) {
		struct nouveau_device *device = nv_device(parent);
		int engidx = nv_engidx(nv_object(engine));

		if (device->disable_mask & (1ULL << engidx)) {
		if (!nouveau_boolopt(device->cfgopt, iname, false)) {
		nv_debug(engine, "engine disabled by hw/fw\n");
		return -ENODEV;
		}

		nv_warn(engine, "ignoring hw/fw engine disable\n");
		}

		if (!nouveau_boolopt(device->cfgopt, iname, enable)) {
		if (!enable)
		nv_warn(engine, "disabled, %s=1 to enable\n", iname);
		return -ENODEV;
		}
		}

		INIT_LIST_HEAD(&engine->contexts);
		spin_lock_init(&engine->lock);

+1 −0