drm/nouveau/nvif: remove client devlist

This was once used by userspace tools (with nvkm built as a library),
but is now unused.
Signed-off-by: Ben Skeggs <bskeggs@nvidia.com>
Signed-off-by: Danilo Krummrich <dakr@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240726043828.58966-22-bskeggs@nvidia.com

drivers/gpu/drm/nouveau/include/nvif/if0000.h

@@ -7,13 +7,4 @@ struct nvif_client_v0 {
 	__u8  pad01[7];
 	char  name[32];
 };
-
-#define NVIF_CLIENT_V0_DEVLIST                                             0x00
-
-struct nvif_client_devlist_v0 {
-	__u8  version;
-	__u8  count;
-	__u8  pad02[6];
-	__u64 device[];
-};
 #endif

drivers/gpu/drm/nouveau/include/nvkm/core/device.h

@@ -109,7 +109,6 @@ struct nvkm_device_chip {
 };
 
 struct nvkm_device *nvkm_device_find(u64 name);
-int nvkm_device_list(u64 *name, int size);
 
 /* privileged register interface accessor macros */
 #define nvkm_rd08(d,a) ioread8((d)->pri + (a))

drivers/gpu/drm/nouveau/nvkm/core/client.c

@@ -65,45 +65,6 @@ nvkm_uclient_sclass = {
 	.ctor = nvkm_uclient_new,
 };
 
-static int
-nvkm_client_mthd_devlist(struct nvkm_client *client, void *data, u32 size)
-{
-	union {
-		struct nvif_client_devlist_v0 v0;
-	} *args = data;
-	int ret = -ENOSYS;
-
-	nvif_ioctl(&client->object, "client devlist size %d\n", size);
-	if (!(ret = nvif_unpack(ret, &data, &size, args->v0, 0, 0, true))) {
-		nvif_ioctl(&client->object, "client devlist vers %d count %d\n",
-			   args->v0.version, args->v0.count);
-		if (size == sizeof(args->v0.device[0]) * args->v0.count) {
-			ret = nvkm_device_list(args->v0.device, args->v0.count);
-			if (ret >= 0) {
-				args->v0.count = ret;
-				ret = 0;
-			}
-		} else {
-			ret = -EINVAL;
-		}
-	}
-
-	return ret;
-}
-
-static int
-nvkm_client_mthd(struct nvkm_object *object, u32 mthd, void *data, u32 size)
-{
-	struct nvkm_client *client = nvkm_client(object);
-	switch (mthd) {
-	case NVIF_CLIENT_V0_DEVLIST:
-		return nvkm_client_mthd_devlist(client, data, size);
-	default:
-		break;
-	}
-	return -EINVAL;
-}
-
 static int
 nvkm_client_child_new(const struct nvkm_oclass *oclass,
 		      void *data, u32 size, struct nvkm_object **pobject)
@@ -145,7 +106,6 @@ static const struct nvkm_object_func
 nvkm_client = {
 	.dtor = nvkm_client_dtor,
 	.fini = nvkm_client_fini,
-	.mthd = nvkm_client_mthd,
 	.sclass = nvkm_client_child_get,
 };
 

drivers/gpu/drm/nouveau/nvkm/engine/device/base.c

@@ -53,20 +53,6 @@ nvkm_device_find(u64 handle)
 	return device;
 }
 
-int
-nvkm_device_list(u64 *name, int size)
-{
-	struct nvkm_device *device;
-	int nr = 0;
-	mutex_lock(&nv_devices_mutex);
-	list_for_each_entry(device, &nv_devices, head) {
-		if (nr++ < size)
-			name[nr - 1] = device->handle;
-	}
-	mutex_unlock(&nv_devices_mutex);
-	return nr;
-}
-
 static const struct nvkm_device_chip
 nv4_chipset = {
 	.name = "NV04",