tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 43cb5d49a99b3ecd9fef9826899aac948c3048da commit: f6df392dddbb9e637b785e7e3d9337a74923dc10 drm/nouveau/top/ga100: initial support date: 4 months ago config: x86_64-randconfig-m001-20210612 (attached as .config) compiler: gcc-9 (Debian 9.3.0-22) 9.3.0 If you fix the issue, kindly add following tag as appropriate Reported-by: kernel test robot <lkp(a)intel.com&gt; smatch warnings: drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c:82 ga100_top_oneinit() warn: inconsistent indenting vim +82 drivers/gpu/drm/nouveau/nvkm/subdev/top/ga100.c 23 24 static int 25 ga100_top_oneinit(struct nvkm_top *top) 26 { 27 struct nvkm_subdev *subdev = &top->subdev; 28 struct nvkm_device *device = subdev->device; 29 struct nvkm_top_device *info = NULL; 30 u32 data, type, inst; 31 int i, n, size = nvkm_rd32(device, 0x0224fc) >> 20; 32 33 for (i = 0, n = 0; i < size; i++) { 34 if (!info) { 35 if (!(info = nvkm_top_device_new(top))) 36 return -ENOMEM; 37 type = ~0; 38 inst = 0; 39 } 40 41 data = nvkm_rd32(device, 0x022800 + (i * 0x04)); 42 nvkm_trace(subdev, "%02x: %08x\n", i, data); 43 if (!data && n == 0) 44 continue; 45 46 switch (n++) { 47 case 0: 48 type = (data & 0x3f000000) >> 24; 49 inst = (data & 0x000f0000) >> 16; 50 info->fault = (data & 0x0000007f); 51 break; 52 case 1: 53 info->addr = (data & 0x00fff000); 54 info->reset = (data & 0x0000001f); 55 break; 56 case 2: 57 info->runlist = (data & 0x0000fc00) >> 10; 58 info->engine = (data & 0x00000003); 59 break; 60 default: 61 break; 62 } 63 64 if (data & 0x80000000) 65 continue; 66 n = 0; 67 68 /* Translate engine type to NVKM engine identifier. */ 69 #define I_(T,I) do { info->type = (T); info->inst = (I); } while(0) 70 #define O_(T,I) do { WARN_ON(inst); I_(T, I); } while (0) 71 switch (type) { 72 case 0x00000000: O_(NVKM_ENGINE_GR , 0); break; 73 case 0x0000000d: O_(NVKM_ENGINE_SEC2 , 0); break; 74 case 0x0000000e: I_(NVKM_ENGINE_NVENC , inst); break; 75 case 0x00000010: I_(NVKM_ENGINE_NVDEC , inst); break; 76 case 0x00000012: I_(NVKM_SUBDEV_IOCTRL, inst); break; 77 case 0x00000013: I_(NVKM_ENGINE_CE , inst); break; 78 case 0x00000014: O_(NVKM_SUBDEV_GSP , 0); break; 79 case 0x00000015: O_(NVKM_ENGINE_NVJPG , 0); break; 80 case 0x00000016: O_(NVKM_ENGINE_OFA , 0); break; 81 case 0x00000017: O_(NVKM_SUBDEV_FLA , 0); break; 83 default: 84 break; 85 } 86 87 nvkm_debug(subdev, "%02x.%d (%8s): addr %06x fault %2d " 88 "runlist %2d engine %2d reset %2d\n", type, inst, 89 info->type == NVKM_SUBDEV_NR ? "????????" : nvkm_subdev_type[info->type], 90 info->addr, info->fault, info->runlist, info->engine, info->reset); 91 info = NULL; 92 } 93 94 return 0; 95 } 96 --- 0-DAY CI Kernel Test Service, Intel Corporation https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org