[gustavoars:testing/wfamnae-next20250325 38/39] drivers/gpu/drm/nouveau/nvif/fifo.c:64:1: warning: the frame size of 1048 bytes is larger than 1024 bytes

[gustavoars:testing/wfamnae-next20250325 38/39] drivers/gpu/drm/nouveau/nvif/fifo.c:64:1: warning: the frame size of 1048 bytes is larger than 1024 bytes

[kernel test robot]

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/gustavoars/linux.git testing/wfamnae-next20250325
head:   f9d2e5634b74486b65c885d8ead9b4baf2ada1f7
commit: 34d3d057918f442cd214c7f2c64830b9ee5a43d6 [38/39] drm/nouveau: fifo: Avoid -Wflex-array-member-not-at-end warning
config: arc-allyesconfig (https://download.01.org/0day-ci/archive/20250404/202504041254.6e26LBdj-lkp@intel.com/config)
compiler: arc-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250404/202504041254.6e26LBdj-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/202504041254.6e26LBdj-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/nouveau/nvif/fifo.c: In function 'nvif_fifo_runlists':
>> drivers/gpu/drm/nouveau/nvif/fifo.c:64:1: warning: the frame size of 1048 bytes is larger than 1024 bytes [-Wframe-larger-than=]
      64 | }
         | ^


vim +64 drivers/gpu/drm/nouveau/nvif/fifo.c

cc36205085bb6e Ben Skeggs          2018-05-08  23  
cc36205085bb6e Ben Skeggs          2018-05-08  24  static int
cc36205085bb6e Ben Skeggs          2018-05-08  25  nvif_fifo_runlists(struct nvif_device *device)
cc36205085bb6e Ben Skeggs          2018-05-08  26  {
cc36205085bb6e Ben Skeggs          2018-05-08  27  	struct nvif_object *object = &device->object;
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  28  	DEFINE_RAW_FLEX(struct nv_device_info_v1, a, data, 65);
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  29  	struct nv_device_info_v1_data *runlists = &a->data[0];
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  30  	struct nv_device_info_v1_data *runlist = &a->data[1];
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  31  	const u8 rl_cnt = (__struct_size(a) - sizeof(*a)) / sizeof(*a->data) - 1;
cc36205085bb6e Ben Skeggs          2018-05-08  32  	int ret, i;
cc36205085bb6e Ben Skeggs          2018-05-08  33  
cc36205085bb6e Ben Skeggs          2018-05-08  34  	if (device->runlist)
cc36205085bb6e Ben Skeggs          2018-05-08  35  		return 0;
cc36205085bb6e Ben Skeggs          2018-05-08  36  
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  37  	a->version = 1;
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  38  	a->count = (__struct_size(a) - sizeof(*a)) / sizeof(*a->data);
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  39  	runlists->mthd = NV_DEVICE_HOST_RUNLISTS;
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  40  	for (i = 0; i < rl_cnt; i++) {
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  41  		runlist[i].mthd = NV_DEVICE_HOST_RUNLIST_ENGINES;
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  42  		runlist[i].data = i;
f8fabd31fabaa3 Ben Skeggs          2021-02-08  43  	}
cc36205085bb6e Ben Skeggs          2018-05-08  44  
cc36205085bb6e Ben Skeggs          2018-05-08  45  	ret = nvif_object_mthd(object, NV_DEVICE_V0_INFO, a, sizeof(*a));
cc36205085bb6e Ben Skeggs          2018-05-08  46  	if (ret)
cc36205085bb6e Ben Skeggs          2018-05-08  47  		goto done;
cc36205085bb6e Ben Skeggs          2018-05-08  48  
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  49  	device->runlists = fls64(runlists->data);
6396bb221514d2 Kees Cook           2018-06-12  50  	device->runlist = kcalloc(device->runlists, sizeof(*device->runlist),
6396bb221514d2 Kees Cook           2018-06-12  51  				  GFP_KERNEL);
cc36205085bb6e Ben Skeggs          2018-05-08  52  	if (!device->runlist) {
cc36205085bb6e Ben Skeggs          2018-05-08  53  		ret = -ENOMEM;
cc36205085bb6e Ben Skeggs          2018-05-08  54  		goto done;
cc36205085bb6e Ben Skeggs          2018-05-08  55  	}
cc36205085bb6e Ben Skeggs          2018-05-08  56  
cc36205085bb6e Ben Skeggs          2018-05-08  57  	for (i = 0; i < device->runlists; i++) {
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  58  		if (runlist[i].mthd != NV_DEVICE_INFO_INVALID)
34d3d057918f44 Gustavo A. R. Silva 2025-04-03  59  			device->runlist[i].engines = runlist[i].data;
cc36205085bb6e Ben Skeggs          2018-05-08  60  	}
cc36205085bb6e Ben Skeggs          2018-05-08  61  
cc36205085bb6e Ben Skeggs          2018-05-08  62  done:
cc36205085bb6e Ben Skeggs          2018-05-08  63  	return ret;
cc36205085bb6e Ben Skeggs          2018-05-08 @64  }
cc36205085bb6e Ben Skeggs          2018-05-08  65  

:::::: The code at line 64 was first introduced by commit
:::::: cc36205085bb6e3a4eed1edbe413fd2235cadb27 drm/nouveau/fifo/gk104-: support querying engines available on each runlist

:::::: TO: Ben Skeggs <bskeggs@redhat.com>
:::::: CC: Ben Skeggs <bskeggs@redhat.com>

-- 
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