From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from mga12.intel.com (mga12.intel.com [192.55.52.136]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 506A620F8E; Wed, 12 Jul 2023 19:07:10 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=intel.com; i=@intel.com; q=dns/txt; s=Intel; t=1689188831; x=1720724831; h=date:from:to:cc:subject:message-id:mime-version; bh=M1Dp/cbEsk1JdVsJnQjzTXulT6UHNErky1OV1oQ7O2Q=; b=iDAm0bc/1GN4onk0Z5ONK8o4BnRtRcB5Rx5edP9PSNGXvX8zeaoa9ile 4n9YRxq2CkmiBvUj6vExBs4WAcBiRp8L3ncg1JbzQdMhMPr/RLYy1h4b2 XNxZE0ke9NvuYwapX1XUx+YQRczXW726EHhBzcYjaFRELXsf02ge0eUJa YmF5cyYOOTArtua3IhRYIrk4A2nbUm9xq6jmnYdfpJloNduUTj0ze0Q3J dav2vxPVSWzfSoU5+9m340rT6wmEgdP4bmpwsNntM/bOPBS5w4+wx9+9e hKM8u9PwjEsKk8PN2dwWvwTsUvo7vGmKkzw5QLbIbaOnresttJ0Fxpt9S Q==; X-IronPort-AV: E=McAfee;i="6600,9927,10769"; a="344578369" X-IronPort-AV: E=Sophos;i="6.01,200,1684825200"; d="scan'208";a="344578369" Received: from orsmga003.jf.intel.com ([10.7.209.27]) by fmsmga106.fm.intel.com with ESMTP/TLS/ECDHE-RSA-AES256-GCM-SHA384; 12 Jul 2023 12:07:07 -0700 X-ExtLoop1: 1 X-IronPort-AV: E=McAfee;i="6600,9927,10769"; a="671973965" X-IronPort-AV: E=Sophos;i="6.01,200,1684825200"; d="scan'208";a="671973965" Received: from lkp-server01.sh.intel.com (HELO c544d7fc5005) ([10.239.97.150]) by orsmga003.jf.intel.com with ESMTP; 12 Jul 2023 12:07:05 -0700 Received: from kbuild by c544d7fc5005 with local (Exim 4.96) (envelope-from ) id 1qJfB2-0005w6-2X; Wed, 12 Jul 2023 19:07:04 +0000 Date: Thu, 13 Jul 2023 03:06:54 +0800 From: kernel test robot To: Ben Skeggs Cc: llvm@lists.linux.dev, oe-kbuild-all@lists.linux.dev Subject: [skeggsb-nouveau:00.02-gsp-rm 76/83] drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c:303:1: warning: no previous prototype for function 'r535_fifo_runl_ctor' Message-ID: <202307130343.InlOx9Mq-lkp@intel.com> Precedence: bulk X-Mailing-List: llvm@lists.linux.dev List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline tree: https://gitlab.freedesktop.org/skeggsb/nouveau 00.02-gsp-rm head: 3f6fc48703e02597683babc04c512ca13bb95e19 commit: bb6ac47f73075e361e7abcafa3a4dd5610596e8c [76/83] WIPdrm/nouveau/fifo/r535: initial support config: s390-randconfig-r044-20230712 (https://download.01.org/0day-ci/archive/20230713/202307130343.InlOx9Mq-lkp@intel.com/config) compiler: clang version 17.0.0 (https://github.com/llvm/llvm-project.git 4a5ac14ee968ff0ad5d2cc1ffa0299048db4c88a) reproduce: (https://download.01.org/0day-ci/archive/20230713/202307130343.InlOx9Mq-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 | Closes: https://lore.kernel.org/oe-kbuild-all/202307130343.InlOx9Mq-lkp@intel.com/ All warnings (new ones prefixed by >>): In file included from drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c:22: In file included from drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h:5: In file included from drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/engine.h:5: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/device.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/oclass.h:3: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/os.h:4: In file included from drivers/gpu/drm/nouveau/include/nvif/os.h:8: In file included from include/linux/pci.h:39: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:547:31: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 547 | val = __raw_readb(PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:560:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 560 | val = __le16_to_cpu((__le16 __force)__raw_readw(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:37:59: note: expanded from macro '__le16_to_cpu' 37 | #define __le16_to_cpu(x) __swab16((__force __u16)(__le16)(x)) | ^ include/uapi/linux/swab.h:102:54: note: expanded from macro '__swab16' 102 | #define __swab16(x) (__u16)__builtin_bswap16((__u16)(x)) | ^ In file included from drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c:22: In file included from drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h:5: In file included from drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/engine.h:5: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/device.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/oclass.h:3: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/os.h:4: In file included from drivers/gpu/drm/nouveau/include/nvif/os.h:8: In file included from include/linux/pci.h:39: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:573:61: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 573 | val = __le32_to_cpu((__le32 __force)__raw_readl(PCI_IOBASE + addr)); | ~~~~~~~~~~ ^ include/uapi/linux/byteorder/big_endian.h:35:59: note: expanded from macro '__le32_to_cpu' 35 | #define __le32_to_cpu(x) __swab32((__force __u32)(__le32)(x)) | ^ include/uapi/linux/swab.h:115:54: note: expanded from macro '__swab32' 115 | #define __swab32(x) (__u32)__builtin_bswap32((__u32)(x)) | ^ In file included from drivers/gpu/drm/nouveau/nvkm/engine/fifo/r535.c:22: In file included from drivers/gpu/drm/nouveau/nvkm/engine/fifo/priv.h:5: In file included from drivers/gpu/drm/nouveau/include/nvkm/engine/fifo.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/engine.h:5: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/subdev.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/device.h:4: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/oclass.h:3: In file included from drivers/gpu/drm/nouveau/include/nvkm/core/os.h:4: In file included from drivers/gpu/drm/nouveau/include/nvif/os.h:8: In file included from include/linux/pci.h:39: In file included from include/linux/io.h:13: In file included from arch/s390/include/asm/io.h:75: include/asm-generic/io.h:584:33: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 584 | __raw_writeb(value, PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:594:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 594 | __raw_writew((u16 __force)cpu_to_le16(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:604:59: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 604 | __raw_writel((u32 __force)cpu_to_le32(value), PCI_IOBASE + addr); | ~~~~~~~~~~ ^ include/asm-generic/io.h:692:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 692 | readsb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:700:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 700 | readsw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:708:20: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 708 | readsl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:717:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 717 | writesb(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:726:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 726 | writesw(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ include/asm-generic/io.h:735:21: warning: performing pointer arithmetic on a null pointer has undefined behavior [-Wnull-pointer-arithmetic] 735 | writesl(PCI_IOBASE + addr, buffer, count); | ~~~~~~~~~~ ^ >> 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 13 warnings 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 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests/wiki