[skeggsb-nouveau:00.02-gsp-rm 81/88] drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c:303:1: warning: no previous prototype for function 'r535_fifo_runl_ctor'

[kernel test robot <lkp@intel.com>]

tree:   https://gitlab.freedesktop.org/skeggsb/nouveau 00.02-gsp-rm
head:   dcd62291d3f1ba328303b1617495fa4542117fc1
commit: 7de06e53ab58182c4b24ac4e35ff28ed5ba26d13 [81/88] WIPdrm/nouveau/fifo/r535: initial support
config: arm-randconfig-r024-20230909 (https://download.01.org/0day-ci/archive/20230909/202309092043.3xiJffw8-lkp@intel.com/config)
compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230909/202309092043.3xiJffw8-lkp@intel.com/reproduce)

If you fix the issue in a separate patch/commit (i.e. not just a new version of
the same patch/commit), kindly add following tags
| Reported-by: kernel test robot <lkp@intel.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309092043.3xiJffw8-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c:303:1: warning: no previous prototype for function 'r535_fifo_runl_ctor' [-Wmissing-prototypes]
     303 | r535_fifo_runl_ctor(struct nvkm_fifo *fifo)
         | ^
   drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c:302:1: note: declare 'static' if the function is not intended to be used outside of this translation unit
     302 | int
         | ^
         | static 
   1 warning generated.


vim +/r535_fifo_runl_ctor +303 drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c

   300	
   301	
   302	int
 > 303	r535_fifo_runl_ctor(struct nvkm_fifo *fifo)
   304	{
   305		struct nvkm_subdev *subdev = &fifo->engine.subdev;
   306		struct nvkm_gsp *gsp = subdev->device->gsp;
   307		struct nvkm_runl *runl;
   308		struct nvkm_engn *engn;
   309		int ret;
   310		NV2080_CTRL_FIFO_GET_DEVICE_INFO_TABLE_PARAMS *ctrl;
   311	
   312		//XXX: chid<->userd + per-RL chid
   313		if ((ret = nvkm_chid_new(&nvkm_chan_event, subdev, 2048, 0, 2048, &fifo->cgid)) ||
   314		    (ret = nvkm_chid_new(&nvkm_chan_event, subdev, 2048, 0, 2048, &fifo->chid)))
   315			return ret;
   316	
   317		ctrl = nvkm_gsp_rm_ctrl_rd(&gsp->internal.device.subdevice,
   318					   NV2080_CTRL_CMD_FIFO_GET_DEVICE_INFO_TABLE, sizeof(*ctrl));
   319		if (WARN_ON(IS_ERR(ctrl)))
   320			return PTR_ERR(ctrl);
   321	
   322		for (int i = 0; i < ctrl->numEntries; i++) {
   323			const u32 addr = ctrl->entries[i].engineData[ENGINE_INFO_TYPE_RUNLIST_PRI_BASE];
   324			const u32 id = ctrl->entries[i].engineData[ENGINE_INFO_TYPE_RUNLIST];
   325	
   326			runl = nvkm_runl_get(fifo, id, addr);
   327			if (!runl) {
   328				runl = nvkm_runl_new(fifo, id, addr, 0 /*XXX: chid<->userd + per-RL chid*/);
   329				if (WARN_ON(IS_ERR(runl)))
   330					continue;
   331			}
   332		}
   333	
   334		for (int i = 0; i < ctrl->numEntries; i++) {
   335			const u32 addr = ctrl->entries[i].engineData[ENGINE_INFO_TYPE_RUNLIST_PRI_BASE];
   336			const u32 rmid = ctrl->entries[i].engineData[ENGINE_INFO_TYPE_RM_ENGINE_TYPE];
   337			const u32 id = ctrl->entries[i].engineData[ENGINE_INFO_TYPE_RUNLIST];
   338			enum nvkm_subdev_type type;
   339			int inst, nv2080;
   340	
   341			runl = nvkm_runl_get(fifo, id, addr);
   342			if (!runl)
   343				continue;
   344	
   345			inst = r535_fifo_engn_type(rmid, &type);
   346			if (inst < 0) {
   347				nvkm_warn(subdev, "RM_ENGINE_TYPE 0x%x\n", rmid);
   348				nvkm_runl_del(runl);
   349				continue;
   350			}
   351	
   352			nv2080 = r535_fifo_2080_type(type, inst);
   353			if (nv2080 < 0) {
   354				nvkm_runl_del(runl);
   355				continue;
   356			}
   357	
   358			switch (type) {
   359			case NVKM_ENGINE_CE:
   360			case NVKM_ENGINE_GR:
   361				engn = nvkm_runl_add(runl, nv2080, &r535_engn, type, inst);
   362				break;
   363			case NVKM_ENGINE_SW:
   364				continue;
   365			default:
   366				engn = NULL;
   367				break;
   368			}
   369	
   370			if (!engn) {
   371				nvkm_runl_del(runl);
   372				continue;
   373			}
   374		}
   375	
   376		nvkm_gsp_rm_ctrl_done(&gsp->internal.device.subdevice, ctrl);
   377		return 0;
   378	}
   379	

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