drm/nouveau/core: uninline subdev/engine/device lookup functions
These are a tad more complex than a direct cast with paranoia safeties.
Signed-off-by: Ben Skeggs <bskeggs@redhat.com>
diff --git a/drivers/gpu/drm/nouveau/core/engine/device/base.c b/drivers/gpu/drm/nouveau/core/engine/device/base.c
index 714a93e..e2da1d4 100644
--- a/drivers/gpu/drm/nouveau/core/engine/device/base.c
+++ b/drivers/gpu/drm/nouveau/core/engine/device/base.c
@@ -508,6 +508,28 @@
* nouveau_device: engine functions
*****************************************************************************/
+struct nouveau_device *
+nv_device(void *obj)
+{
+ struct nouveau_object *object = nv_object(obj);
+ struct nouveau_object *device = object;
+
+ if (device->engine)
+ device = device->engine;
+ if (device->parent)
+ device = device->parent;
+
+#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
+ if (unlikely(!nv_iclass(device, NV_SUBDEV_CLASS) ||
+ (nv_hclass(device) & 0xff) != NVDEV_ENGINE_DEVICE)) {
+ nv_assert("BAD CAST -> NvDevice, 0x%08x 0x%08x",
+ nv_hclass(object), nv_hclass(device));
+ }
+#endif
+
+ return (void *)device;
+}
+
static struct nouveau_oclass
nouveau_device_sclass[] = {
{ 0x0080, &nouveau_devobj_ofuncs },