6 files changed, 13 insertions, 22 deletions
diff --git a/drivers/gpu/drm/nouveau/include/nvif/device.h b/drivers/gpu/drm/nouveau/include/nvif/device.h
index 1973e65f21a6..68b431b24ae6 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/device.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/device.h
@@ -9,7 +9,7 @@ struct nvif_device {
 	struct nv_device_info_v0 info;
 };
 
-int  nvif_device_init(struct nvif_object *, u32 handle, u32 oclass, void *, u32,
+int  nvif_device_init(struct nvif_object *, u32 handle, s32 oclass, void *, u32,
 		      struct nvif_device *);
 void nvif_device_fini(struct nvif_device *);
 u64  nvif_device_time(struct nvif_device *);
diff --git a/drivers/gpu/drm/nouveau/include/nvif/ioctl.h b/drivers/gpu/drm/nouveau/include/nvif/ioctl.h
index 772db0de044a..193437c4a1f0 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/ioctl.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/ioctl.h
@@ -40,7 +40,7 @@ struct nvif_ioctl_sclass_v0 {
 	__u8  version;
 	__u8  count;
 	__u8  pad02[6];
-	__u32 oclass[];
+	__s32 oclass[];
 };
 
 struct nvif_ioctl_new_v0 {
@@ -52,10 +52,10 @@ struct nvif_ioctl_new_v0 {
 	__u64 object;
 	__u32 handle;
 /* these class numbers are made up by us, and not nvidia-assigned */
-#define NVIF_IOCTL_NEW_V0_PERFMON                                    0x0000ffff
-#define NVIF_IOCTL_NEW_V0_PERFDOM                                    0x0000fffe
-#define NVIF_IOCTL_NEW_V0_CONTROL                                    0x0000fffd
-	__u32 oclass;
+#define NVIF_IOCTL_NEW_V0_CONTROL                                            -1
+#define NVIF_IOCTL_NEW_V0_PERFMON                                            -2
+#define NVIF_IOCTL_NEW_V0_PERFDOM                                            -3
+	__s32 oclass;
 	__u8  data[];		/* class data (class.h) */
 };
 
diff --git a/drivers/gpu/drm/nouveau/include/nvif/object.h b/drivers/gpu/drm/nouveau/include/nvif/object.h
index b46c2f4aa0db..66d3425e4764 100644
--- a/drivers/gpu/drm/nouveau/include/nvif/object.h
+++ b/drivers/gpu/drm/nouveau/include/nvif/object.h
@@ -6,7 +6,7 @@
 struct nvif_object {
 	struct nvif_client *client;
 	u32 handle;
-	u32 oclass;
+	s32 oclass;
 	void *priv; /*XXX: hack */
 	struct {
 		void __iomem *ptr;
@@ -14,11 +14,11 @@ struct nvif_object {
 	} map;
 };
 
-int  nvif_object_init(struct nvif_object *, u32 handle, u32 oclass, void *, u32,
+int  nvif_object_init(struct nvif_object *, u32 handle, s32 oclass, void *, u32,
 		      struct nvif_object *);
 void nvif_object_fini(struct nvif_object *);
 int  nvif_object_ioctl(struct nvif_object *, void *, u32, void **);
-int  nvif_object_sclass(struct nvif_object *, u32 *, int);
+int  nvif_object_sclass(struct nvif_object *, s32 *, int);
 u32  nvif_object_rd(struct nvif_object *, int, u64);
 void nvif_object_wr(struct nvif_object *, int, u64, u32);
 int  nvif_object_mthd(struct nvif_object *, u32, void *, u32);
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
index d70d28f90285..977c8a85e119 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/client.h
@@ -23,19 +23,10 @@ void nvkm_client_remove(struct nvkm_client *, struct nvkm_handle *);
 struct nvkm_handle *nvkm_client_search(struct nvkm_client *, u64 handle);
 
 static inline struct nvkm_client *
-nv_client(void *obj)
-{
-#if CONFIG_NOUVEAU_DEBUG >= NV_DBG_PARANOIA
-	BUG_ON(!nv_iclass(obj, NV_CLIENT_CLASS));
-#endif
-	return obj;
-}
-
-static inline struct nvkm_client *
 nvkm_client(void *obj)
 {
 	struct nvkm_object *client = nv_object(obj);
-	while (client && !(nv_iclass(client, NV_CLIENT_CLASS)))
+	while (client && client->parent)
 		client = client->parent;
 	return (void *)client;
 }
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
index ef0ff9e1a948..005cd4a86849 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/object.h
@@ -62,7 +62,7 @@ extern struct nvkm_ofuncs nvkm_object_ofuncs;
 /* Don't allocate dynamically, because lockdep needs lock_class_keys to be in
  * ".data". */
 struct nvkm_oclass {
-	u32 handle;
+	s32 handle;
 	struct nvkm_ofuncs * const ofuncs;
 	struct nvkm_omthds * const omthds;
 	struct lock_class_key lock_class_key;
diff --git a/drivers/gpu/drm/nouveau/include/nvkm/core/parent.h b/drivers/gpu/drm/nouveau/include/nvkm/core/parent.h
index 2e5266fa7584..bc4dc1f2403f 100644
--- a/drivers/gpu/drm/nouveau/include/nvkm/core/parent.h
+++ b/drivers/gpu/drm/nouveau/include/nvkm/core/parent.h
@@ -44,8 +44,8 @@ void _nvkm_parent_dtor(struct nvkm_object *);
 #define _nvkm_parent_init nvkm_object_init
 #define _nvkm_parent_fini nvkm_object_fini
 
-int nvkm_parent_sclass(struct nvkm_object *, u16 handle,
+int nvkm_parent_sclass(struct nvkm_object *, s32 handle,
 		       struct nvkm_object **pengine,
 		       struct nvkm_oclass **poclass);
-int nvkm_parent_lclass(struct nvkm_object *, u32 *, int);
+int nvkm_parent_lclass(struct nvkm_object *, s32 *, int);
 #endif