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Mon, 03 Apr 2023 23:06:46 +0000 Date: Tue, 4 Apr 2023 07:05:53 +0800 From: kernel test robot To: Dave Airlie Cc: oe-kbuild-all@lists.linux.dev, linux-kernel@vger.kernel.org, Thomas Zimmermann Subject: drivers/video/fbdev/nvidia/nvidia.c:1429:17: sparse: sparse: incorrect type in argument 1 (different modifiers) Message-ID: <202304040632.X21LXHrN-lkp@intel.com> MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org tree: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master head: 148341f0a2f53b5e8808d093333d85170586a15d commit: 04119ab1a49fc41cb70f0472be5455af268fa260 nvidiafb: detect the hardware support before removing console. date: 8 weeks ago config: m68k-randconfig-s041-20230403 (https://download.01.org/0day-ci/archive/20230404/202304040632.X21LXHrN-lkp@intel.com/config) compiler: m68k-linux-gcc (GCC) 12.1.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=04119ab1a49fc41cb70f0472be5455af268fa260 git remote add linus https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git git fetch --no-tags linus master git checkout 04119ab1a49fc41cb70f0472be5455af268fa260 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k olddefconfig COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=m68k SHELL=/bin/bash drivers/video/fbdev/nvidia/ If you fix the issue, kindly add following tag where applicable | Reported-by: kernel test robot | Link: https://lore.kernel.org/oe-kbuild-all/202304040632.X21LXHrN-lkp@intel.com/ sparse warnings: (new ones prefixed by >>) >> drivers/video/fbdev/nvidia/nvidia.c:1429:17: sparse: sparse: incorrect type in argument 1 (different modifiers) @@ expected void [noderef] __iomem *addr @@ got unsigned int volatile [noderef] [usertype] __iomem *[assigned] REGS @@ drivers/video/fbdev/nvidia/nvidia.c:1429:17: sparse: expected void [noderef] __iomem *addr drivers/video/fbdev/nvidia/nvidia.c:1429:17: sparse: got unsigned int volatile [noderef] [usertype] __iomem *[assigned] REGS drivers/video/fbdev/nvidia/nvidia.c:1447:20: sparse: sparse: incorrect type in argument 1 (different modifiers) @@ expected void [noderef] __iomem *addr @@ got unsigned int volatile [noderef] [usertype] __iomem *REGS @@ drivers/video/fbdev/nvidia/nvidia.c:1447:20: sparse: expected void [noderef] __iomem *addr drivers/video/fbdev/nvidia/nvidia.c:1447:20: sparse: got unsigned int volatile [noderef] [usertype] __iomem *REGS vim +1429 drivers/video/fbdev/nvidia/nvidia.c 1273 1274 static int nvidiafb_probe(struct pci_dev *pd, const struct pci_device_id *ent) 1275 { 1276 struct nvidia_par *par; 1277 struct fb_info *info; 1278 unsigned short cmd; 1279 int ret; 1280 volatile u32 __iomem *REGS; 1281 int Chipset; 1282 u32 Architecture; 1283 1284 NVTRACE_ENTER(); 1285 assert(pd != NULL); 1286 1287 if (pci_enable_device(pd)) { 1288 printk(KERN_ERR PFX "cannot enable PCI device\n"); 1289 return -ENODEV; 1290 } 1291 1292 /* enable IO and mem if not already done */ 1293 pci_read_config_word(pd, PCI_COMMAND, &cmd); 1294 cmd |= (PCI_COMMAND_IO | PCI_COMMAND_MEMORY); 1295 pci_write_config_word(pd, PCI_COMMAND, cmd); 1296 1297 nvidiafb_fix.mmio_start = pci_resource_start(pd, 0); 1298 nvidiafb_fix.mmio_len = pci_resource_len(pd, 0); 1299 1300 REGS = ioremap(nvidiafb_fix.mmio_start, nvidiafb_fix.mmio_len); 1301 if (!REGS) { 1302 printk(KERN_ERR PFX "cannot ioremap MMIO base\n"); 1303 return -ENODEV; 1304 } 1305 1306 Chipset = nvidia_get_chipset(pd, REGS); 1307 Architecture = nvidia_get_arch(Chipset); 1308 if (Architecture == 0) { 1309 printk(KERN_ERR PFX "unknown NV_ARCH\n"); 1310 goto err_out; 1311 } 1312 1313 ret = aperture_remove_conflicting_pci_devices(pd, "nvidiafb"); 1314 if (ret) 1315 goto err_out; 1316 1317 info = framebuffer_alloc(sizeof(struct nvidia_par), &pd->dev); 1318 if (!info) 1319 goto err_out; 1320 1321 par = info->par; 1322 par->pci_dev = pd; 1323 info->pixmap.addr = kzalloc(8 * 1024, GFP_KERNEL); 1324 1325 if (info->pixmap.addr == NULL) 1326 goto err_out_kfree; 1327 1328 if (pci_request_regions(pd, "nvidiafb")) { 1329 printk(KERN_ERR PFX "cannot request PCI regions\n"); 1330 goto err_out_enable; 1331 } 1332 1333 par->FlatPanel = flatpanel; 1334 if (flatpanel == 1) 1335 printk(KERN_INFO PFX "flatpanel support enabled\n"); 1336 par->FPDither = fpdither; 1337 1338 par->CRTCnumber = forceCRTC; 1339 par->FpScale = (!noscale); 1340 par->paneltweak = paneltweak; 1341 par->reverse_i2c = reverse_i2c; 1342 1343 nvidiafb_fix.smem_start = pci_resource_start(pd, 1); 1344 1345 par->REGS = REGS; 1346 1347 par->Chipset = Chipset; 1348 par->Architecture = Architecture; 1349 1350 sprintf(nvidiafb_fix.id, "NV%x", (pd->device & 0x0ff0) >> 4); 1351 1352 if (NVCommonSetup(info)) 1353 goto err_out_free_base0; 1354 1355 par->FbAddress = nvidiafb_fix.smem_start; 1356 par->FbMapSize = par->RamAmountKBytes * 1024; 1357 if (vram && vram * 1024 * 1024 < par->FbMapSize) 1358 par->FbMapSize = vram * 1024 * 1024; 1359 1360 /* Limit amount of vram to 64 MB */ 1361 if (par->FbMapSize > 64 * 1024 * 1024) 1362 par->FbMapSize = 64 * 1024 * 1024; 1363 1364 if(par->Architecture >= NV_ARCH_40) 1365 par->FbUsableSize = par->FbMapSize - (560 * 1024); 1366 else 1367 par->FbUsableSize = par->FbMapSize - (128 * 1024); 1368 par->ScratchBufferSize = (par->Architecture < NV_ARCH_10) ? 8 * 1024 : 1369 16 * 1024; 1370 par->ScratchBufferStart = par->FbUsableSize - par->ScratchBufferSize; 1371 par->CursorStart = par->FbUsableSize + (32 * 1024); 1372 1373 info->screen_base = ioremap_wc(nvidiafb_fix.smem_start, 1374 par->FbMapSize); 1375 info->screen_size = par->FbUsableSize; 1376 nvidiafb_fix.smem_len = par->RamAmountKBytes * 1024; 1377 1378 if (!info->screen_base) { 1379 printk(KERN_ERR PFX "cannot ioremap FB base\n"); 1380 goto err_out_free_base1; 1381 } 1382 1383 par->FbStart = info->screen_base; 1384 1385 if (!nomtrr) 1386 par->wc_cookie = arch_phys_wc_add(nvidiafb_fix.smem_start, 1387 par->RamAmountKBytes * 1024); 1388 1389 info->fbops = &nvidia_fb_ops; 1390 info->fix = nvidiafb_fix; 1391 1392 if (nvidia_set_fbinfo(info) < 0) { 1393 printk(KERN_ERR PFX "error setting initial video mode\n"); 1394 goto err_out_iounmap_fb; 1395 } 1396 1397 nvidia_save_vga(par, &par->SavedReg); 1398 1399 pci_set_drvdata(pd, info); 1400 1401 if (backlight) 1402 nvidia_bl_init(par); 1403 1404 if (register_framebuffer(info) < 0) { 1405 printk(KERN_ERR PFX "error registering nVidia framebuffer\n"); 1406 goto err_out_iounmap_fb; 1407 } 1408 1409 printk(KERN_INFO PFX 1410 "PCI nVidia %s framebuffer (%dMB @ 0x%lX)\n", 1411 info->fix.id, 1412 par->FbMapSize / (1024 * 1024), info->fix.smem_start); 1413 1414 NVTRACE_LEAVE(); 1415 return 0; 1416 1417 err_out_iounmap_fb: 1418 iounmap(info->screen_base); 1419 err_out_free_base1: 1420 fb_destroy_modedb(info->monspecs.modedb); 1421 nvidia_delete_i2c_busses(par); 1422 err_out_free_base0: 1423 pci_release_regions(pd); 1424 err_out_enable: 1425 kfree(info->pixmap.addr); 1426 err_out_kfree: 1427 framebuffer_release(info); 1428 err_out: > 1429 iounmap(REGS); 1430 return -ENODEV; 1431 } 1432 -- 0-DAY CI Kernel Test Service https://github.com/intel/lkp-tests