drivers/video/fbdev/controlfb.c:373:13: warning: variable 'b' set but not used

From: kernel test robot
Date: Mon Aug 10 2020 - 11:48:35 EST

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Hi Bartlomiej,

FYI, the error/warning still remains.

tree: git checkout a07a63b0e24dd1316d11 # save the attached .config COMPILER_INSTALL_PATH=$HOME/0day
If you fix the issue, kindly add Reported-by: kernel test robot <lkp@xx
All warnings (new ones prefixed
In file included from ./arch/nds32/inc from include/linux/bu from include/linux/th from include/asm-gene from ./arch/nds32/inc from include/linux/pr from include/linux/sp from include/linux/se from include/linux/ti from include/linux/st from include/linux/mo from drivers/video/fb include/linux/dma-mapping.h: arch/nds32/include/asm/memory.h:82:32: 82 | #define pfn_valid(pfn) | include/asm-generic/bug.h:139:27: 139 | int __ret_warn_once = !!(condition); | include/linux/dma-mapping.h:352:19: 352 | if (WARN_ON_ONCE(pfn_valid(PH | ^~~~~~~~~
> drivers/video/fbdev/controlfb.c:373:13: 373 | __u8 r, g, b;
| ^
>> drivers/video/fbdev/controlfb.c:373:10: 373 | __u8 r, g, b;
| ^
>> drivers/video/fbdev/controlfb.c:373:7: 373 | __u8 r, g, b;
| ^
drivers/video/fbdev/controlfb.c: >> drivers/video/fbdev/controlfb.c:505:11: 505 | int i, cmode;
| ^~~~~

vim +/b +373 drivers/video/fbdev/controlf
^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c c4e423239ca7cbc drivers/video/fbdev/controlfb.c c4e423239ca7cbc drivers/video/fbdev/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c 066ac5c3c4bb467 drivers/video/fbdev/controlfb.c 066ac5c3c4bb467 drivers/video/fbdev/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c 066ac5c3c4bb467 drivers/video/fbdev/controlfb.c 066ac5c3c4bb467 drivers/video/fbdev/controlfb.c 066ac5c3c4bb467 drivers/video/fbdev/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c 066ac5c3c4bb467 drivers/video/fbdev/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c 066ac5c3c4bb467 drivers/video/fbdev/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c 066ac5c3c4bb467 drivers/video/fbdev/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c 31b6780c15a4e3a drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c ^1da177e4c3f415 drivers/video/controlfb.c
:::::: The code at line 373 was :::::: 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2
:::::: TO: Linus Torvalds <torvalds@xx :::::: CC: Linus Torvalds <torvalds@xx
---
0-DAY CI Kernel Test Service, Intel .config.g Description: application/gzip Vivek Goyal: "Re: [PATCH v2 18/20] fuse: Release file in process context" David Howells: "Re: [GIT PULL] fscache rewrite -- please drop for now" [ date ] [ thread ] [ subject ] [ author ] git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git">https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git master b8648e7 video: fbdev: controlfb: add COMPILE_TEST support (attached as .config) 9.3.0 href="https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross">https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross 427601a9f83dc955bb40 to linux build tree COMPILER=gcc-9.3.0 make.cross ARCH=nds32 following tag as appropriate xxxxxxx> by >>): lude/generated/asm/bug.h:1, g.h:5, read_info.h:12, ric/preempt.h:5, lude/generated/asm/preempt.h:1, eempt.h:78, inlock.h:51, qlock.h:36, me.h:6, at.h:19, dule.h:13, dev/controlfb.c:34: In function 'dma_map_resource': warning: comparison of unsigned expression >= 0 is always true [-Wtype-limits] ((pfn) >= PHYS_PFN_OFFSET && (pfn) < (PHYS_PFN_OFFSET + max_mapnr)) ^~ note: in definition of macro 'WARN_ON_ONCE' \ ^~~~~~~~~ note: in expansion of macro 'pfn_valid' YS_PFN(phys_addr)))) > In function 'controlfb_setcolreg': warning: variable 'b' set but not used [-Wunused-but-set-variable]warning: variable 'g' set but not used [-Wunused-but-set-variable]warning: variable 'r' set but not used [-Wunused-but-set-variable]In function 'control_set_hardware': warning: variable 'cmode' set but not used [-Wunused-but-set-variable] b.c Linus Torvalds 2005-04-16 367 Linus Torvalds 2005-04-16 368 static int controlfb_setcolreg(u_int regno, u_int red, u_int green, u_int blue, Linus Torvalds 2005-04-16 369 u_int transp, struct fb_info *info) Linus Torvalds 2005-04-16 370 { Fabian Frederick 2014-09-17 371 struct fb_info_control *p = Fabian Frederick 2014-09-17 372 container_of(info, struct fb_info_control, info); Linus Torvalds 2005-04-16 @373 __u8 r, g, b; Linus Torvalds 2005-04-16 374 Linus Torvalds 2005-04-16 375 if (regno > 255) Linus Torvalds 2005-04-16 376 return 1; Linus Torvalds 2005-04-16 377 Linus Torvalds 2005-04-16 378 r = red >> 8; Linus Torvalds 2005-04-16 379 g = green >> 8; Linus Torvalds 2005-04-16 380 b = blue >> 8; Linus Torvalds 2005-04-16 381 Linus Torvalds 2005-04-16 382 out_8(&p->cmap_regs->addr, regno); /* tell clut what addr to fill */ Linus Torvalds 2005-04-16 383 out_8(&p->cmap_regs->lut, r); /* send one color channel at */ Linus Torvalds 2005-04-16 384 out_8(&p->cmap_regs->lut, g); /* a time... */ Linus Torvalds 2005-04-16 385 out_8(&p->cmap_regs->lut, b); Linus Torvalds 2005-04-16 386 Linus Torvalds 2005-04-16 387 if (regno < 16) { Linus Torvalds 2005-04-16 388 int i; Linus Torvalds 2005-04-16 389 switch (p->par.cmode) { Linus Torvalds 2005-04-16 390 case CMODE_16: Linus Torvalds 2005-04-16 391 p->pseudo_palette[regno] = Linus Torvalds 2005-04-16 392 (regno << 10) | (regno << 5) | regno; Linus Torvalds 2005-04-16 393 break; Linus Torvalds 2005-04-16 394 case CMODE_32: Linus Torvalds 2005-04-16 395 i = (regno << 8) | regno; Linus Torvalds 2005-04-16 396 p->pseudo_palette[regno] = (i << 16) | i; Linus Torvalds 2005-04-16 397 break; Linus Torvalds 2005-04-16 398 } Linus Torvalds 2005-04-16 399 } Linus Torvalds 2005-04-16 400 Linus Torvalds 2005-04-16 401 return 0; Linus Torvalds 2005-04-16 402 } Linus Torvalds 2005-04-16 403 Linus Torvalds 2005-04-16 404 Linus Torvalds 2005-04-16 405 /******************** End of controlfb_ops implementation ******************/ Linus Torvalds 2005-04-16 406 Linus Torvalds 2005-04-16 407 Linus Torvalds 2005-04-16 408 Linus Torvalds 2005-04-16 409 static void set_control_clock(unsigned char *params) Linus Torvalds 2005-04-16 410 { Linus Torvalds 2005-04-16 411 #ifdef CONFIG_ADB_CUDA Linus Torvalds 2005-04-16 412 struct adb_request req; Linus Torvalds 2005-04-16 413 int i; Linus Torvalds 2005-04-16 414 Linus Torvalds 2005-04-16 415 for (i = 0; i < 3; ++i) { Linus Torvalds 2005-04-16 416 cuda_request(&req, NULL, 5, CUDA_PACKET, CUDA_GET_SET_IIC, Linus Torvalds 2005-04-16 417 0x50, i + 1, params[i]); Linus Torvalds 2005-04-16 418 while (!req.complete) Linus Torvalds 2005-04-16 419 cuda_poll(); Linus Torvalds 2005-04-16 420 } Linus Torvalds 2005-04-16 421 #endif Linus Torvalds 2005-04-16 422 } Linus Torvalds 2005-04-16 423 Linus Torvalds 2005-04-16 424 Linus Torvalds 2005-04-16 425 /* Linus Torvalds 2005-04-16 426 * finish off the driver initialization and register Linus Torvalds 2005-04-16 427 */ Linus Torvalds 2005-04-16 428 static int __init init_control(struct fb_info_control *p) Linus Torvalds 2005-04-16 429 { Linus Torvalds 2005-04-16 430 int full, sense, vmode, cmode, vyres; Linus Torvalds 2005-04-16 431 struct fb_var_screeninfo var; Linus Torvalds 2005-04-16 432 int rc; Linus Torvalds 2005-04-16 433 Linus Torvalds 2005-04-16 434 printk(KERN_INFO "controlfb: "); Linus Torvalds 2005-04-16 435 Linus Torvalds 2005-04-16 436 full = p->total_vram == 0x400000; Linus Torvalds 2005-04-16 437 Linus Torvalds 2005-04-16 438 /* Try to pick a video mode out of NVRAM if we have one. */ Finn Thain 2019-01-15 439 cmode = default_cmode; Finn Thain 2019-01-15 440 if (IS_REACHABLE(CONFIG_NVRAM) && cmode == CMODE_NVRAM) Linus Torvalds 2005-04-16 441 cmode = nvram_read_byte(NV_CMODE); Linus Torvalds 2005-04-16 442 if (cmode < CMODE_8 || cmode > CMODE_32) Linus Torvalds 2005-04-16 443 cmode = CMODE_8; Finn Thain 2019-01-15 444 Finn Thain 2019-01-15 445 vmode = default_vmode; Finn Thain 2019-01-15 446 if (IS_REACHABLE(CONFIG_NVRAM) && vmode == VMODE_NVRAM) Linus Torvalds 2005-04-16 447 vmode = nvram_read_byte(NV_VMODE); Linus Torvalds 2005-04-16 448 if (vmode < 1 || vmode > VMODE_MAX || Linus Torvalds 2005-04-16 449 control_mac_modes[vmode - 1].m[full] < cmode) { Linus Torvalds 2005-04-16 450 sense = read_control_sense(p); Finn Thain 2019-01-15 451 printk(KERN_CONT "Monitor sense value = 0x%x, ", sense); Linus Torvalds 2005-04-16 452 vmode = mac_map_monitor_sense(sense); Finn Thain 2019-01-15 453 if (control_mac_modes[vmode - 1].m[full] < 0) Linus Torvalds 2005-04-16 454 vmode = VMODE_640_480_60; Finn Thain 2019-01-15 455 cmode = min(cmode, control_mac_modes[vmode - 1].m[full]); Linus Torvalds 2005-04-16 456 } Linus Torvalds 2005-04-16 457 Linus Torvalds 2005-04-16 458 /* Initialize info structure */ Linus Torvalds 2005-04-16 459 control_init_info(&p->info, p); Linus Torvalds 2005-04-16 460 Linus Torvalds 2005-04-16 461 /* Setup default var */ Linus Torvalds 2005-04-16 462 if (mac_vmode_to_var(vmode, cmode, &var) < 0) { Linus Torvalds 2005-04-16 463 /* This shouldn't happen! */ Linus Torvalds 2005-04-16 464 printk("mac_vmode_to_var(%d, %d,) failed\n", vmode, cmode); Linus Torvalds 2005-04-16 465 try_again: Linus Torvalds 2005-04-16 466 vmode = VMODE_640_480_60; Linus Torvalds 2005-04-16 467 cmode = CMODE_8; Linus Torvalds 2005-04-16 468 if (mac_vmode_to_var(vmode, cmode, &var) < 0) { Linus Torvalds 2005-04-16 469 printk(KERN_ERR "controlfb: mac_vmode_to_var() failed\n"); Linus Torvalds 2005-04-16 470 return -ENXIO; Linus Torvalds 2005-04-16 471 } Linus Torvalds 2005-04-16 472 printk(KERN_INFO "controlfb: "); Linus Torvalds 2005-04-16 473 } Linus Torvalds 2005-04-16 474 printk("using video mode %d and color mode %d.\n", vmode, cmode); Linus Torvalds 2005-04-16 475 Linus Torvalds 2005-04-16 476 vyres = (p->total_vram - CTRLFB_OFF) / (var.xres << cmode); Linus Torvalds 2005-04-16 477 if (vyres > var.yres) Linus Torvalds 2005-04-16 478 var.yres_virtual = vyres; Linus Torvalds 2005-04-16 479 Linus Torvalds 2005-04-16 480 /* Apply default var */ Linus Torvalds 2005-04-16 481 var.activate = FB_ACTIVATE_NOW; Linus Torvalds 2005-04-16 482 rc = fb_set_var(&p->info, &var); Linus Torvalds 2005-04-16 483 if (rc && (vmode != VMODE_640_480_60 || cmode != CMODE_8)) Linus Torvalds 2005-04-16 484 goto try_again; Linus Torvalds 2005-04-16 485 Linus Torvalds 2005-04-16 486 /* Register with fbdev layer */ Linus Torvalds 2005-04-16 487 if (register_framebuffer(&p->info) < 0) Linus Torvalds 2005-04-16 488 return -ENXIO; Linus Torvalds 2005-04-16 489 Joe Perches 2013-09-19 490 fb_info(&p->info, "control display adapter\n"); Linus Torvalds 2005-04-16 491 Linus Torvalds 2005-04-16 492 return 0; Linus Torvalds 2005-04-16 493 } Linus Torvalds 2005-04-16 494 Linus Torvalds 2005-04-16 495 #define RADACAL_WRITE(a,d) \ Linus Torvalds 2005-04-16 496 out_8(&p->cmap_regs->addr, (a)); \ Linus Torvalds 2005-04-16 497 out_8(&p->cmap_regs->dat, (d)) Linus Torvalds 2005-04-16 498 Linus Torvalds 2005-04-16 499 /* Now how about actually saying, Make it so! */ Linus Torvalds 2005-04-16 500 /* Some things in here probably don't need to be done each time. */ Linus Torvalds 2005-04-16 501 static void control_set_hardware(struct fb_info_control *p, struct fb_par_control *par) Linus Torvalds 2005-04-16 502 { Linus Torvalds 2005-04-16 503 struct control_regvals *r; Linus Torvalds 2005-04-16 504 volatile struct preg __iomem *rp; Linus Torvalds 2005-04-16 @505 int i, cmode; Linus Torvalds 2005-04-16 506 Linus Torvalds 2005-04-16 507 if (PAR_EQUAL(&p->par, par)) { Linus Torvalds 2005-04-16 508 /* Linus Torvalds 2005-04-16 509 * check if only xoffset or yoffset differs. Linus Torvalds 2005-04-16 510 * this prevents flickers in typical VT switch case. Linus Torvalds 2005-04-16 511 */ Linus Torvalds 2005-04-16 512 if (p->par.xoffset != par->xoffset || Linus Torvalds 2005-04-16 513 p->par.yoffset != par->yoffset) Linus Torvalds 2005-04-16 514 set_screen_start(par->xoffset, par->yoffset, p); Linus Torvalds 2005-04-16 515 Linus Torvalds 2005-04-16 516 return; Linus Torvalds 2005-04-16 517 } Linus Torvalds 2005-04-16 518 Linus Torvalds 2005-04-16 519 p->par = *par; Linus Torvalds 2005-04-16 520 cmode = p->par.cmode; Linus Torvalds 2005-04-16 521 r = &par->regvals; Linus Torvalds 2005-04-16 522 Linus Torvalds 2005-04-16 523 /* Turn off display */ Linus Torvalds 2005-04-16 524 out_le32(CNTRL_REG(p,ctrl), 0x400 | par->ctrl); Linus Torvalds 2005-04-16 525 Linus Torvalds 2005-04-16 526 set_control_clock(r->clock_params); Linus Torvalds 2005-04-16 527 Linus Torvalds 2005-04-16 528 RADACAL_WRITE(0x20, r->radacal_ctrl); Linus Torvalds 2005-04-16 529 RADACAL_WRITE(0x21, p->control_use_bank2 ? 0 : 1); Linus Torvalds 2005-04-16 530 RADACAL_WRITE(0x10, 0); Linus Torvalds 2005-04-16 531 RADACAL_WRITE(0x11, 0); Linus Torvalds 2005-04-16 532 Linus Torvalds 2005-04-16 533 rp = &p->control_regs->vswin; Linus Torvalds 2005-04-16 534 for (i = 0; i < 16; ++i, ++rp) Linus Torvalds 2005-04-16 535 out_le32(&rp->r, r->regs[i]); Linus Torvalds 2005-04-16 536 Linus Torvalds 2005-04-16 537 out_le32(CNTRL_REG(p,pitch), par->pitch); Linus Torvalds 2005-04-16 538 out_le32(CNTRL_REG(p,mode), r->mode); Linus Torvalds 2005-04-16 539 out_le32(CNTRL_REG(p,vram_attr), p->vram_attr); Linus Torvalds 2005-04-16 540 out_le32(CNTRL_REG(p,start_addr), par->yoffset * par->pitch Linus Torvalds 2005-04-16 541 + (par->xoffset << cmode)); Linus Torvalds 2005-04-16 542 out_le32(CNTRL_REG(p,rfrcnt), 0x1e5); Linus Torvalds 2005-04-16 543 out_le32(CNTRL_REG(p,intr_ena), 0); Linus Torvalds 2005-04-16 544 Linus Torvalds 2005-04-16 545 /* Turn on display */ Linus Torvalds 2005-04-16 546 out_le32(CNTRL_REG(p,ctrl), par->ctrl); Linus Torvalds 2005-04-16 547 first introduced by commit Linux-2.6.12-rc2 xxxxxxxxxxxxx> xxxxxxxxxxxxx> Corporation .org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx">https://lists.01.org/hyperkitty/list/kbuild-all@xxxxxxxxxxxx z

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