[PATCH v2 08/14] video: fbdev: make fbops member of struct fb_info a const pointer
kbuild test robot
lkp at intel.com
Sat Nov 30 01:41:01 UTC 2019
Hi Jani,
I love your patch! Yet something to improve:
[auto build test ERROR on drm-intel/for-linux-next]
[also build test ERROR on v5.4 next-20191129]
[if your patch is applied to the wrong git tree, please drop us a note to help
improve the system. BTW, we also suggest to use '--base' option to specify the
base tree in git format-patch, please see https://stackoverflow.com/a/37406982]
url: https://github.com/0day-ci/linux/commits/Jani-Nikula/video-drm-etc-constify-fbops-in-struct-fb_info/20191129-193852
base: git://anongit.freedesktop.org/drm-intel for-linux-next
config: ia64-allmodconfig (attached as .config)
compiler: ia64-linux-gcc (GCC) 7.4.0
reproduce:
wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
chmod +x ~/bin/make.cross
# save the attached .config to linux build tree
GCC_VERSION=7.4.0 make.cross ARCH=ia64
If you fix the issue, kindly add following tag
Reported-by: kbuild test robot <lkp at intel.com>
All errors (new ones prefixed by >>):
drivers/video/fbdev/uvesafb.c: In function 'uvesafb_init_info':
>> drivers/video/fbdev/uvesafb.c:1443:25: error: assignment of member 'fb_blank' in read-only object
info->fbops->fb_blank = NULL;
^
drivers/video/fbdev/uvesafb.c:1513:31: error: assignment of member 'fb_pan_display' in read-only object
info->fbops->fb_pan_display = NULL;
^
--
drivers/video/fbdev/aty/atyfb_base.c: In function 'atyfb_set_par':
>> drivers/video/fbdev/aty/atyfb_base.c:1319:24: error: assignment of member 'fb_sync' in read-only object
info->fbops->fb_sync = atyfb_sync;
^
drivers/video/fbdev/aty/atyfb_base.c:1322:24: error: assignment of member 'fb_sync' in read-only object
info->fbops->fb_sync = NULL;
^
--
drivers/video/fbdev/mb862xx/mb862xxfb_accel.c: In function 'mb862xxfb_init_accel':
>> drivers/video/fbdev/mb862xx/mb862xxfb_accel.c:311:28: error: assignment of member 'fb_fillrect' in read-only object
info->fbops->fb_fillrect = cfb_fillrect;
^
>> drivers/video/fbdev/mb862xx/mb862xxfb_accel.c:312:28: error: assignment of member 'fb_copyarea' in read-only object
info->fbops->fb_copyarea = cfb_copyarea;
^
>> drivers/video/fbdev/mb862xx/mb862xxfb_accel.c:313:29: error: assignment of member 'fb_imageblit' in read-only object
info->fbops->fb_imageblit = cfb_imageblit;
^
drivers/video/fbdev/mb862xx/mb862xxfb_accel.c:316:28: error: assignment of member 'fb_fillrect' in read-only object
info->fbops->fb_fillrect = mb86290fb_fillrect;
^
drivers/video/fbdev/mb862xx/mb862xxfb_accel.c:317:28: error: assignment of member 'fb_copyarea' in read-only object
info->fbops->fb_copyarea = mb86290fb_copyarea;
^
drivers/video/fbdev/mb862xx/mb862xxfb_accel.c:318:29: error: assignment of member 'fb_imageblit' in read-only object
info->fbops->fb_imageblit = mb86290fb_imageblit;
^
--
drivers/video/fbdev/nvidia/nvidia.c: In function 'nvidiafb_set_par':
>> drivers/video/fbdev/nvidia/nvidia.c:663:29: error: assignment of member 'fb_imageblit' in read-only object
info->fbops->fb_imageblit = nvidiafb_imageblit;
^
>> drivers/video/fbdev/nvidia/nvidia.c:664:28: error: assignment of member 'fb_fillrect' in read-only object
info->fbops->fb_fillrect = nvidiafb_fillrect;
^
drivers/video/fbdev/nvidia/nvidia.c:665:28: error: assignment of member 'fb_copyarea' in read-only object
info->fbops->fb_copyarea = nvidiafb_copyarea;
^
drivers/video/fbdev/nvidia/nvidia.c:666:24: error: assignment of member 'fb_sync' in read-only object
info->fbops->fb_sync = nvidiafb_sync;
^
drivers/video/fbdev/nvidia/nvidia.c:672:29: error: assignment of member 'fb_imageblit' in read-only object
info->fbops->fb_imageblit = cfb_imageblit;
^
drivers/video/fbdev/nvidia/nvidia.c:673:28: error: assignment of member 'fb_fillrect' in read-only object
info->fbops->fb_fillrect = cfb_fillrect;
^
drivers/video/fbdev/nvidia/nvidia.c:674:28: error: assignment of member 'fb_copyarea' in read-only object
info->fbops->fb_copyarea = cfb_copyarea;
^
drivers/video/fbdev/nvidia/nvidia.c:675:24: error: assignment of member 'fb_sync' in read-only object
info->fbops->fb_sync = NULL;
^
drivers/video/fbdev/nvidia/nvidia.c: In function 'nvidia_set_fbinfo':
drivers/video/fbdev/nvidia/nvidia.c:1168:29: error: assignment of member 'fb_cursor' in read-only object
info->fbops->fb_cursor = NULL;
^
vim +/fb_blank +1443 drivers/video/fbdev/uvesafb.c
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1427
48c68c4f1b5424 drivers/video/uvesafb.c Greg Kroah-Hartman 2012-12-21 1428 static void uvesafb_init_info(struct fb_info *info, struct vbe_mode_ib *mode)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1429 {
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1430 unsigned int size_vmode;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1431 unsigned int size_remap;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1432 unsigned int size_total;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1433 struct uvesafb_par *par = info->par;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1434 int i, h;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1435
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1436 info->pseudo_palette = ((u8 *)info->par + sizeof(struct uvesafb_par));
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1437 info->fix = uvesafb_fix;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1438 info->fix.ypanstep = par->ypan ? 1 : 0;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1439 info->fix.ywrapstep = (par->ypan > 1) ? 1 : 0;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1440
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1441 /* Disable blanking if the user requested so. */
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1442 if (!blank)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 @1443 info->fbops->fb_blank = NULL;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1444
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1445 /*
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1446 * Find out how much IO memory is required for the mode with
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1447 * the highest resolution.
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1448 */
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1449 size_remap = 0;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1450 for (i = 0; i < par->vbe_modes_cnt; i++) {
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1451 h = par->vbe_modes[i].bytes_per_scan_line *
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1452 par->vbe_modes[i].y_res;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1453 if (h > size_remap)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1454 size_remap = h;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1455 }
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1456 size_remap *= 2;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1457
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1458 /*
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1459 * size_vmode -- that is the amount of memory needed for the
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1460 * used video mode, i.e. the minimum amount of
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1461 * memory we need.
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1462 */
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1463 size_vmode = info->var.yres * mode->bytes_per_scan_line;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1464
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1465 /*
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1466 * size_total -- all video memory we have. Used for mtrr
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1467 * entries, resource allocation and bounds
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1468 * checking.
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1469 */
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1470 size_total = par->vbe_ib.total_memory * 65536;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1471 if (vram_total)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1472 size_total = vram_total * 1024 * 1024;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1473 if (size_total < size_vmode)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1474 size_total = size_vmode;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1475
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1476 /*
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1477 * size_remap -- the amount of video memory we are going to
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1478 * use for vesafb. With modern cards it is no
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1479 * option to simply use size_total as th
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1480 * wastes plenty of kernel address space.
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1481 */
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1482 if (vram_remap)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1483 size_remap = vram_remap * 1024 * 1024;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1484 if (size_remap < size_vmode)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1485 size_remap = size_vmode;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1486 if (size_remap > size_total)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1487 size_remap = size_total;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1488
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1489 info->fix.smem_len = size_remap;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1490 info->fix.smem_start = mode->phys_base_ptr;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1491
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1492 /*
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1493 * We have to set yres_virtual here because when setup_var() was
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1494 * called, smem_len wasn't defined yet.
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1495 */
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1496 info->var.yres_virtual = info->fix.smem_len /
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1497 mode->bytes_per_scan_line;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1498
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1499 if (par->ypan && info->var.yres_virtual > info->var.yres) {
a8feae09110675 drivers/video/fbdev/uvesafb.c Joe Perches 2017-06-14 1500 pr_info("scrolling: %s using protected mode interface, yres_virtual=%d\n",
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1501 (par->ypan > 1) ? "ywrap" : "ypan",
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1502 info->var.yres_virtual);
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1503 } else {
a8feae09110675 drivers/video/fbdev/uvesafb.c Joe Perches 2017-06-14 1504 pr_info("scrolling: redraw\n");
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1505 info->var.yres_virtual = info->var.yres;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1506 par->ypan = 0;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1507 }
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1508
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1509 info->flags = FBINFO_FLAG_DEFAULT |
1cc9fb6dbf915e drivers/video/uvesafb.c Roel Kluin 2009-03-31 1510 (par->ypan ? FBINFO_HWACCEL_YPAN : 0);
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1511
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1512 if (!par->ypan)
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1513 info->fbops->fb_pan_display = NULL;
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1514 }
8bdb3a2d7df48b drivers/video/uvesafb.c Michal Januszewski 2007-10-16 1515
:::::: The code at line 1443 was first introduced by commit
:::::: 8bdb3a2d7df48b861972c4bfb58490853a228f51 uvesafb: the driver core
:::::: TO: Michal Januszewski <spock at gentoo.org>
:::::: CC: Linus Torvalds <torvalds at woody.linux-foundation.org>
---
0-DAY kernel test infrastructure Open Source Technology Center
https://lists.01.org/hyperkitty/list/kbuild-all@lists.01.org Intel Corporation
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