* Re: [PATCH] staging: sm750fb: make g_fbmode0 an array of const pointers
2025-10-26 23:34 [PATCH] staging: sm750fb: make g_fbmode0 an array of const pointers Cristian Del Gobbo
2025-10-27 8:15 ` Dan Carpenter
@ 2025-11-01 7:46 ` kernel test robot
2025-11-01 8:17 ` kernel test robot
2 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2025-11-01 7:46 UTC (permalink / raw)
To: Cristian Del Gobbo, sudip.mukherjee
Cc: llvm, oe-kbuild-all, teddy.wang, gregkh, linux-fbdev,
linux-staging, linux-kernel, Cristian Del Gobbo
Hi Cristian,
kernel test robot noticed the following build errors:
[auto build test ERROR on staging/staging-testing]
url: https://github.com/intel-lab-lkp/linux/commits/Cristian-Del-Gobbo/staging-sm750fb-make-g_fbmode0-an-array-of-const-pointers/20251027-073648
base: staging/staging-testing
patch link: https://lore.kernel.org/r/20251026233432.1707-1-cristiandelgobbo87%40gmail.com
patch subject: [PATCH] staging: sm750fb: make g_fbmode0 an array of const pointers
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20251101/202511011532.LFS4SZtE-lkp@intel.com/config)
compiler: clang version 20.1.8 (https://github.com/llvm/llvm-project 87f0227cb60147a26a1eeb4fb06e3b505e9c7261)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251101/202511011532.LFS4SZtE-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/202511011532.LFS4SZtE-lkp@intel.com/
All errors (new ones prefixed by >>):
>> drivers/staging/sm750fb/sm750.c:790:19: error: cannot assign to variable 'g_fbmode' with const-qualified type 'const char *const[2]'
790 | g_fbmode[index] = g_def_fbmode;
| ~~~~~~~~~~~~~~~ ^
drivers/staging/sm750fb/sm750.c:36:27: note: variable 'g_fbmode' declared const here
36 | static const char * const g_fbmode[] = {NULL, NULL};
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/sm750fb/sm750.c:792:20: error: cannot assign to variable 'g_fbmode' with const-qualified type 'const char *const[2]'
792 | g_fbmode[index] = g_fbmode[0];
| ~~~~~~~~~~~~~~~ ^
drivers/staging/sm750fb/sm750.c:36:27: note: variable 'g_fbmode' declared const here
36 | static const char * const g_fbmode[] = {NULL, NULL};
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/sm750fb/sm750.c:953:17: error: cannot assign to variable 'g_fbmode' with const-qualified type 'const char *const[2]'
953 | g_fbmode[0] = opt;
| ~~~~~~~~~~~ ^
drivers/staging/sm750fb/sm750.c:36:27: note: variable 'g_fbmode' declared const here
36 | static const char * const g_fbmode[] = {NULL, NULL};
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
drivers/staging/sm750fb/sm750.c:957:17: error: cannot assign to variable 'g_fbmode' with const-qualified type 'const char *const[2]'
957 | g_fbmode[1] = opt;
| ~~~~~~~~~~~ ^
drivers/staging/sm750fb/sm750.c:36:27: note: variable 'g_fbmode' declared const here
36 | static const char * const g_fbmode[] = {NULL, NULL};
| ~~~~~~~~~~~~~~~~~~~~~~~~~~^~~~~~~~~~~~~~~~~~~~~~~~~
4 errors generated.
vim +790 drivers/staging/sm750fb/sm750.c
81dee67e215b23 Sudip Mukherjee 2015-03-03 717
81dee67e215b23 Sudip Mukherjee 2015-03-03 718 static int lynxfb_set_fbinfo(struct fb_info *info, int index)
81dee67e215b23 Sudip Mukherjee 2015-03-03 719 {
81dee67e215b23 Sudip Mukherjee 2015-03-03 720 int i;
81dee67e215b23 Sudip Mukherjee 2015-03-03 721 struct lynxfb_par *par;
e359b6a863e19f Mike Rapoport 2015-10-26 722 struct sm750_dev *sm750_dev;
81dee67e215b23 Sudip Mukherjee 2015-03-03 723 struct lynxfb_crtc *crtc;
81dee67e215b23 Sudip Mukherjee 2015-03-03 724 struct lynxfb_output *output;
81dee67e215b23 Sudip Mukherjee 2015-03-03 725 struct fb_var_screeninfo *var;
81dee67e215b23 Sudip Mukherjee 2015-03-03 726 struct fb_fix_screeninfo *fix;
81dee67e215b23 Sudip Mukherjee 2015-03-03 727
81dee67e215b23 Sudip Mukherjee 2015-03-03 728 const struct fb_videomode *pdb[] = {
81dee67e215b23 Sudip Mukherjee 2015-03-03 729 lynx750_ext, NULL, vesa_modes,
81dee67e215b23 Sudip Mukherjee 2015-03-03 730 };
81dee67e215b23 Sudip Mukherjee 2015-03-03 731 int cdb[] = {ARRAY_SIZE(lynx750_ext), 0, VESA_MODEDB_SIZE};
d5d66cfea2ca28 Kelsey Skunberg 2019-04-27 732 static const char * const mdb_desc[] = {
81dee67e215b23 Sudip Mukherjee 2015-03-03 733 "driver prepared modes",
81dee67e215b23 Sudip Mukherjee 2015-03-03 734 "kernel prepared default modedb",
81dee67e215b23 Sudip Mukherjee 2015-03-03 735 "kernel HELPERS prepared vesa_modes",
81dee67e215b23 Sudip Mukherjee 2015-03-03 736 };
81dee67e215b23 Sudip Mukherjee 2015-03-03 737
70407df77665c0 Michel von Czettritz 2015-03-26 738 static const char *fixId[2] = {
81dee67e215b23 Sudip Mukherjee 2015-03-03 739 "sm750_fb1", "sm750_fb2",
81dee67e215b23 Sudip Mukherjee 2015-03-03 740 };
81dee67e215b23 Sudip Mukherjee 2015-03-03 741
81dee67e215b23 Sudip Mukherjee 2015-03-03 742 int ret, line_length;
81dee67e215b23 Sudip Mukherjee 2015-03-03 743
81dee67e215b23 Sudip Mukherjee 2015-03-03 744 ret = 0;
81dee67e215b23 Sudip Mukherjee 2015-03-03 745 par = (struct lynxfb_par *)info->par;
e359b6a863e19f Mike Rapoport 2015-10-26 746 sm750_dev = par->dev;
81dee67e215b23 Sudip Mukherjee 2015-03-03 747 crtc = &par->crtc;
81dee67e215b23 Sudip Mukherjee 2015-03-03 748 output = &par->output;
81dee67e215b23 Sudip Mukherjee 2015-03-03 749 var = &info->var;
81dee67e215b23 Sudip Mukherjee 2015-03-03 750 fix = &info->fix;
81dee67e215b23 Sudip Mukherjee 2015-03-03 751
81dee67e215b23 Sudip Mukherjee 2015-03-03 752 /* set index */
81dee67e215b23 Sudip Mukherjee 2015-03-03 753 par->index = index;
81dee67e215b23 Sudip Mukherjee 2015-03-03 754 output->channel = &crtc->channel;
81dee67e215b23 Sudip Mukherjee 2015-03-03 755 sm750fb_set_drv(par);
81dee67e215b23 Sudip Mukherjee 2015-03-03 756
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 757 /*
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 758 * set current cursor variable and proc pointer,
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 759 * must be set after crtc member initialized
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 760 */
fdc234d85210d9 Benjamin Philip 2021-07-28 761 crtc->cursor.offset = crtc->o_screen + crtc->vidmem_size - 1024;
e359b6a863e19f Mike Rapoport 2015-10-26 762 crtc->cursor.mmio = sm750_dev->pvReg +
e359b6a863e19f Mike Rapoport 2015-10-26 763 0x800f0 + (int)crtc->channel * 0x140;
81dee67e215b23 Sudip Mukherjee 2015-03-03 764
81dee67e215b23 Sudip Mukherjee 2015-03-03 765 pr_info("crtc->cursor.mmio = %p\n", crtc->cursor.mmio);
cd33da26036ea5 Christopher Carbone 2022-08-23 766 crtc->cursor.max_h = 64;
cd33da26036ea5 Christopher Carbone 2022-08-23 767 crtc->cursor.max_w = 64;
39f9137268ee3d Benjamin Philip 2021-07-26 768 crtc->cursor.size = crtc->cursor.max_h * crtc->cursor.max_w * 2 / 8;
e359b6a863e19f Mike Rapoport 2015-10-26 769 crtc->cursor.vstart = sm750_dev->pvMem + crtc->cursor.offset;
81dee67e215b23 Sudip Mukherjee 2015-03-03 770
3de08a2d14ff8c Lorenzo Stoakes 2015-03-20 771 memset_io(crtc->cursor.vstart, 0, crtc->cursor.size);
f7c8a046577e09 Thomas Zimmermann 2023-11-27 772 if (!g_hwcursor)
52d0744d751d8f Arnd Bergmann 2016-11-09 773 sm750_hw_cursor_disable(&crtc->cursor);
81dee67e215b23 Sudip Mukherjee 2015-03-03 774
81dee67e215b23 Sudip Mukherjee 2015-03-03 775 /* set info->fbops, must be set before fb_find_mode */
e359b6a863e19f Mike Rapoport 2015-10-26 776 if (!sm750_dev->accel_off) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 777 /* use 2d acceleration */
f7c8a046577e09 Thomas Zimmermann 2023-11-27 778 if (!g_hwcursor)
f7c8a046577e09 Thomas Zimmermann 2023-11-27 779 info->fbops = &lynxfb_ops_accel;
f7c8a046577e09 Thomas Zimmermann 2023-11-27 780 else
f7c8a046577e09 Thomas Zimmermann 2023-11-27 781 info->fbops = &lynxfb_ops_accel_with_cursor;
f7c8a046577e09 Thomas Zimmermann 2023-11-27 782 } else {
f7c8a046577e09 Thomas Zimmermann 2023-11-27 783 if (!g_hwcursor)
81dee67e215b23 Sudip Mukherjee 2015-03-03 784 info->fbops = &lynxfb_ops;
f7c8a046577e09 Thomas Zimmermann 2023-11-27 785 else
f7c8a046577e09 Thomas Zimmermann 2023-11-27 786 info->fbops = &lynxfb_ops_with_cursor;
f7c8a046577e09 Thomas Zimmermann 2023-11-27 787 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 788
81dee67e215b23 Sudip Mukherjee 2015-03-03 789 if (!g_fbmode[index]) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 @790 g_fbmode[index] = g_def_fbmode;
81dee67e215b23 Sudip Mukherjee 2015-03-03 791 if (index)
81dee67e215b23 Sudip Mukherjee 2015-03-03 792 g_fbmode[index] = g_fbmode[0];
81dee67e215b23 Sudip Mukherjee 2015-03-03 793 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 794
81dee67e215b23 Sudip Mukherjee 2015-03-03 795 for (i = 0; i < 3; i++) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 796 ret = fb_find_mode(var, info, g_fbmode[index],
81dee67e215b23 Sudip Mukherjee 2015-03-03 797 pdb[i], cdb[i], NULL, 8);
81dee67e215b23 Sudip Mukherjee 2015-03-03 798
81dee67e215b23 Sudip Mukherjee 2015-03-03 799 if (ret == 1) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 800 pr_info("success! use specified mode:%s in %s\n",
81dee67e215b23 Sudip Mukherjee 2015-03-03 801 g_fbmode[index],
81dee67e215b23 Sudip Mukherjee 2015-03-03 802 mdb_desc[i]);
81dee67e215b23 Sudip Mukherjee 2015-03-03 803 break;
81dee67e215b23 Sudip Mukherjee 2015-03-03 804 } else if (ret == 2) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 805 pr_warn("use specified mode:%s in %s,with an ignored refresh rate\n",
81dee67e215b23 Sudip Mukherjee 2015-03-03 806 g_fbmode[index],
81dee67e215b23 Sudip Mukherjee 2015-03-03 807 mdb_desc[i]);
81dee67e215b23 Sudip Mukherjee 2015-03-03 808 break;
81dee67e215b23 Sudip Mukherjee 2015-03-03 809 } else if (ret == 3) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 810 pr_warn("wanna use default mode\n");
4bd9503d0becdb Michel von Czettritz 2015-03-26 811 /*break;*/
81dee67e215b23 Sudip Mukherjee 2015-03-03 812 } else if (ret == 4) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 813 pr_warn("fall back to any valid mode\n");
81dee67e215b23 Sudip Mukherjee 2015-03-03 814 } else {
3318bb5e945f70 Michel von Czettritz 2015-03-26 815 pr_warn("ret = %d,fb_find_mode failed,with %s\n",
3318bb5e945f70 Michel von Czettritz 2015-03-26 816 ret,
3318bb5e945f70 Michel von Czettritz 2015-03-26 817 mdb_desc[i]);
81dee67e215b23 Sudip Mukherjee 2015-03-03 818 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 819 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 820
81dee67e215b23 Sudip Mukherjee 2015-03-03 821 /* some member of info->var had been set by fb_find_mode */
81dee67e215b23 Sudip Mukherjee 2015-03-03 822
271dbae3c6a1da Prasant Jalan 2017-04-01 823 pr_info("Member of info->var is :\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 824 "xres=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 825 "yres=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 826 "xres_virtual=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 827 "yres_virtual=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 828 "xoffset=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 829 "yoffset=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 830 "bits_per_pixel=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 831 " ...\n",
3318bb5e945f70 Michel von Czettritz 2015-03-26 832 var->xres,
3318bb5e945f70 Michel von Czettritz 2015-03-26 833 var->yres,
3318bb5e945f70 Michel von Czettritz 2015-03-26 834 var->xres_virtual,
3318bb5e945f70 Michel von Czettritz 2015-03-26 835 var->yres_virtual,
3318bb5e945f70 Michel von Czettritz 2015-03-26 836 var->xoffset,
3318bb5e945f70 Michel von Czettritz 2015-03-26 837 var->yoffset,
3318bb5e945f70 Michel von Czettritz 2015-03-26 838 var->bits_per_pixel);
81dee67e215b23 Sudip Mukherjee 2015-03-03 839
81dee67e215b23 Sudip Mukherjee 2015-03-03 840 /* set par */
81dee67e215b23 Sudip Mukherjee 2015-03-03 841 par->info = info;
81dee67e215b23 Sudip Mukherjee 2015-03-03 842
81dee67e215b23 Sudip Mukherjee 2015-03-03 843 /* set info */
e3a3f9f5123683 Mike Rapoport 2015-10-26 844 line_length = ALIGN((var->xres_virtual * var->bits_per_pixel / 8),
e3a3f9f5123683 Mike Rapoport 2015-10-26 845 crtc->line_pad);
81dee67e215b23 Sudip Mukherjee 2015-03-03 846
81dee67e215b23 Sudip Mukherjee 2015-03-03 847 info->pseudo_palette = &par->pseudo_palette[0];
cc59bde1c920ab Benjamin Philip 2021-07-28 848 info->screen_base = crtc->v_screen;
81dee67e215b23 Sudip Mukherjee 2015-03-03 849 pr_debug("screen_base vaddr = %p\n", info->screen_base);
81dee67e215b23 Sudip Mukherjee 2015-03-03 850 info->screen_size = line_length * var->yres_virtual;
81dee67e215b23 Sudip Mukherjee 2015-03-03 851
81dee67e215b23 Sudip Mukherjee 2015-03-03 852 /* set info->fix */
81dee67e215b23 Sudip Mukherjee 2015-03-03 853 fix->type = FB_TYPE_PACKED_PIXELS;
81dee67e215b23 Sudip Mukherjee 2015-03-03 854 fix->type_aux = 0;
81dee67e215b23 Sudip Mukherjee 2015-03-03 855 fix->xpanstep = crtc->xpanstep;
81dee67e215b23 Sudip Mukherjee 2015-03-03 856 fix->ypanstep = crtc->ypanstep;
81dee67e215b23 Sudip Mukherjee 2015-03-03 857 fix->ywrapstep = crtc->ywrapstep;
81dee67e215b23 Sudip Mukherjee 2015-03-03 858 fix->accel = FB_ACCEL_SMI;
81dee67e215b23 Sudip Mukherjee 2015-03-03 859
9c15db83a86bf8 Kumar Kartikeya Dwivedi 2021-01-31 860 strscpy(fix->id, fixId[index], sizeof(fix->id));
81dee67e215b23 Sudip Mukherjee 2015-03-03 861
fdc234d85210d9 Benjamin Philip 2021-07-28 862 fix->smem_start = crtc->o_screen + sm750_dev->vidmem_start;
81dee67e215b23 Sudip Mukherjee 2015-03-03 863 pr_info("fix->smem_start = %lx\n", fix->smem_start);
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 864 /*
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 865 * according to mmap experiment from user space application,
81dee67e215b23 Sudip Mukherjee 2015-03-03 866 * fix->mmio_len should not larger than virtual size
81dee67e215b23 Sudip Mukherjee 2015-03-03 867 * (xres_virtual x yres_virtual x ByPP)
81dee67e215b23 Sudip Mukherjee 2015-03-03 868 * Below line maybe buggy when user mmap fb dev node and write
81dee67e215b23 Sudip Mukherjee 2015-03-03 869 * data into the bound over virtual size
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 870 */
81dee67e215b23 Sudip Mukherjee 2015-03-03 871 fix->smem_len = crtc->vidmem_size;
81dee67e215b23 Sudip Mukherjee 2015-03-03 872 pr_info("fix->smem_len = %x\n", fix->smem_len);
81dee67e215b23 Sudip Mukherjee 2015-03-03 873 info->screen_size = fix->smem_len;
81dee67e215b23 Sudip Mukherjee 2015-03-03 874 fix->line_length = line_length;
e359b6a863e19f Mike Rapoport 2015-10-26 875 fix->mmio_start = sm750_dev->vidreg_start;
81dee67e215b23 Sudip Mukherjee 2015-03-03 876 pr_info("fix->mmio_start = %lx\n", fix->mmio_start);
e359b6a863e19f Mike Rapoport 2015-10-26 877 fix->mmio_len = sm750_dev->vidreg_size;
81dee67e215b23 Sudip Mukherjee 2015-03-03 878 pr_info("fix->mmio_len = %x\n", fix->mmio_len);
b610e1193a917f Matej Dujava 2020-04-30 879
b610e1193a917f Matej Dujava 2020-04-30 880 lynxfb_set_visual_mode(info);
81dee67e215b23 Sudip Mukherjee 2015-03-03 881
81dee67e215b23 Sudip Mukherjee 2015-03-03 882 /* set var */
81dee67e215b23 Sudip Mukherjee 2015-03-03 883 var->activate = FB_ACTIVATE_NOW;
81dee67e215b23 Sudip Mukherjee 2015-03-03 884 var->accel_flags = 0;
81dee67e215b23 Sudip Mukherjee 2015-03-03 885 var->vmode = FB_VMODE_NONINTERLACED;
81dee67e215b23 Sudip Mukherjee 2015-03-03 886
81dee67e215b23 Sudip Mukherjee 2015-03-03 887 pr_debug("#1 show info->cmap :\nstart=%d,len=%d,red=%p,green=%p,blue=%p,transp=%p\n",
81dee67e215b23 Sudip Mukherjee 2015-03-03 888 info->cmap.start, info->cmap.len,
81dee67e215b23 Sudip Mukherjee 2015-03-03 889 info->cmap.red, info->cmap.green, info->cmap.blue,
81dee67e215b23 Sudip Mukherjee 2015-03-03 890 info->cmap.transp);
81dee67e215b23 Sudip Mukherjee 2015-03-03 891
61c507cf652da1 Michel von Czettritz 2015-03-26 892 ret = fb_alloc_cmap(&info->cmap, 256, 0);
61c507cf652da1 Michel von Czettritz 2015-03-26 893 if (ret < 0) {
008272072d61a8 Masanari Iida 2015-05-28 894 pr_err("Could not allocate memory for cmap.\n");
81dee67e215b23 Sudip Mukherjee 2015-03-03 895 goto exit;
81dee67e215b23 Sudip Mukherjee 2015-03-03 896 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 897
81dee67e215b23 Sudip Mukherjee 2015-03-03 898 pr_debug("#2 show info->cmap :\nstart=%d,len=%d,red=%p,green=%p,blue=%p,transp=%p\n",
81dee67e215b23 Sudip Mukherjee 2015-03-03 899 info->cmap.start, info->cmap.len,
81dee67e215b23 Sudip Mukherjee 2015-03-03 900 info->cmap.red, info->cmap.green, info->cmap.blue,
81dee67e215b23 Sudip Mukherjee 2015-03-03 901 info->cmap.transp);
81dee67e215b23 Sudip Mukherjee 2015-03-03 902
81dee67e215b23 Sudip Mukherjee 2015-03-03 903 exit:
81dee67e215b23 Sudip Mukherjee 2015-03-03 904 lynxfb_ops_check_var(var, info);
81dee67e215b23 Sudip Mukherjee 2015-03-03 905 return ret;
81dee67e215b23 Sudip Mukherjee 2015-03-03 906 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 907
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
^ permalink raw reply [flat|nested] 4+ messages in thread* Re: [PATCH] staging: sm750fb: make g_fbmode0 an array of const pointers
2025-10-26 23:34 [PATCH] staging: sm750fb: make g_fbmode0 an array of const pointers Cristian Del Gobbo
2025-10-27 8:15 ` Dan Carpenter
2025-11-01 7:46 ` kernel test robot
@ 2025-11-01 8:17 ` kernel test robot
2 siblings, 0 replies; 4+ messages in thread
From: kernel test robot @ 2025-11-01 8:17 UTC (permalink / raw)
To: Cristian Del Gobbo, sudip.mukherjee
Cc: oe-kbuild-all, teddy.wang, gregkh, linux-fbdev, linux-staging,
linux-kernel, Cristian Del Gobbo
Hi Cristian,
kernel test robot noticed the following build errors:
[auto build test ERROR on staging/staging-testing]
url: https://github.com/intel-lab-lkp/linux/commits/Cristian-Del-Gobbo/staging-sm750fb-make-g_fbmode0-an-array-of-const-pointers/20251027-073648
base: staging/staging-testing
patch link: https://lore.kernel.org/r/20251026233432.1707-1-cristiandelgobbo87%40gmail.com
patch subject: [PATCH] staging: sm750fb: make g_fbmode0 an array of const pointers
config: parisc-allyesconfig (https://download.01.org/0day-ci/archive/20251101/202511011552.WuM3PEPs-lkp@intel.com/config)
compiler: hppa-linux-gcc (GCC) 15.1.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251101/202511011552.WuM3PEPs-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/202511011552.WuM3PEPs-lkp@intel.com/
All errors (new ones prefixed by >>):
drivers/staging/sm750fb/sm750.c: In function 'lynxfb_set_fbinfo':
>> drivers/staging/sm750fb/sm750.c:790:33: error: assignment of read-only location 'g_fbmode[index]'
790 | g_fbmode[index] = g_def_fbmode;
| ^
drivers/staging/sm750fb/sm750.c:792:41: error: assignment of read-only location 'g_fbmode[index]'
792 | g_fbmode[index] = g_fbmode[0];
| ^
drivers/staging/sm750fb/sm750.c: In function 'sm750fb_setup':
>> drivers/staging/sm750fb/sm750.c:953:45: error: assignment of read-only location 'g_fbmode[0]'
953 | g_fbmode[0] = opt;
| ^
drivers/staging/sm750fb/sm750.c:957:45: error: assignment of read-only location 'g_fbmode[1]'
957 | g_fbmode[1] = opt;
| ^
vim +790 drivers/staging/sm750fb/sm750.c
81dee67e215b23 Sudip Mukherjee 2015-03-03 717
81dee67e215b23 Sudip Mukherjee 2015-03-03 718 static int lynxfb_set_fbinfo(struct fb_info *info, int index)
81dee67e215b23 Sudip Mukherjee 2015-03-03 719 {
81dee67e215b23 Sudip Mukherjee 2015-03-03 720 int i;
81dee67e215b23 Sudip Mukherjee 2015-03-03 721 struct lynxfb_par *par;
e359b6a863e19f Mike Rapoport 2015-10-26 722 struct sm750_dev *sm750_dev;
81dee67e215b23 Sudip Mukherjee 2015-03-03 723 struct lynxfb_crtc *crtc;
81dee67e215b23 Sudip Mukherjee 2015-03-03 724 struct lynxfb_output *output;
81dee67e215b23 Sudip Mukherjee 2015-03-03 725 struct fb_var_screeninfo *var;
81dee67e215b23 Sudip Mukherjee 2015-03-03 726 struct fb_fix_screeninfo *fix;
81dee67e215b23 Sudip Mukherjee 2015-03-03 727
81dee67e215b23 Sudip Mukherjee 2015-03-03 728 const struct fb_videomode *pdb[] = {
81dee67e215b23 Sudip Mukherjee 2015-03-03 729 lynx750_ext, NULL, vesa_modes,
81dee67e215b23 Sudip Mukherjee 2015-03-03 730 };
81dee67e215b23 Sudip Mukherjee 2015-03-03 731 int cdb[] = {ARRAY_SIZE(lynx750_ext), 0, VESA_MODEDB_SIZE};
d5d66cfea2ca28 Kelsey Skunberg 2019-04-27 732 static const char * const mdb_desc[] = {
81dee67e215b23 Sudip Mukherjee 2015-03-03 733 "driver prepared modes",
81dee67e215b23 Sudip Mukherjee 2015-03-03 734 "kernel prepared default modedb",
81dee67e215b23 Sudip Mukherjee 2015-03-03 735 "kernel HELPERS prepared vesa_modes",
81dee67e215b23 Sudip Mukherjee 2015-03-03 736 };
81dee67e215b23 Sudip Mukherjee 2015-03-03 737
70407df77665c0 Michel von Czettritz 2015-03-26 738 static const char *fixId[2] = {
81dee67e215b23 Sudip Mukherjee 2015-03-03 739 "sm750_fb1", "sm750_fb2",
81dee67e215b23 Sudip Mukherjee 2015-03-03 740 };
81dee67e215b23 Sudip Mukherjee 2015-03-03 741
81dee67e215b23 Sudip Mukherjee 2015-03-03 742 int ret, line_length;
81dee67e215b23 Sudip Mukherjee 2015-03-03 743
81dee67e215b23 Sudip Mukherjee 2015-03-03 744 ret = 0;
81dee67e215b23 Sudip Mukherjee 2015-03-03 745 par = (struct lynxfb_par *)info->par;
e359b6a863e19f Mike Rapoport 2015-10-26 746 sm750_dev = par->dev;
81dee67e215b23 Sudip Mukherjee 2015-03-03 747 crtc = &par->crtc;
81dee67e215b23 Sudip Mukherjee 2015-03-03 748 output = &par->output;
81dee67e215b23 Sudip Mukherjee 2015-03-03 749 var = &info->var;
81dee67e215b23 Sudip Mukherjee 2015-03-03 750 fix = &info->fix;
81dee67e215b23 Sudip Mukherjee 2015-03-03 751
81dee67e215b23 Sudip Mukherjee 2015-03-03 752 /* set index */
81dee67e215b23 Sudip Mukherjee 2015-03-03 753 par->index = index;
81dee67e215b23 Sudip Mukherjee 2015-03-03 754 output->channel = &crtc->channel;
81dee67e215b23 Sudip Mukherjee 2015-03-03 755 sm750fb_set_drv(par);
81dee67e215b23 Sudip Mukherjee 2015-03-03 756
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 757 /*
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 758 * set current cursor variable and proc pointer,
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 759 * must be set after crtc member initialized
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 760 */
fdc234d85210d9 Benjamin Philip 2021-07-28 761 crtc->cursor.offset = crtc->o_screen + crtc->vidmem_size - 1024;
e359b6a863e19f Mike Rapoport 2015-10-26 762 crtc->cursor.mmio = sm750_dev->pvReg +
e359b6a863e19f Mike Rapoport 2015-10-26 763 0x800f0 + (int)crtc->channel * 0x140;
81dee67e215b23 Sudip Mukherjee 2015-03-03 764
81dee67e215b23 Sudip Mukherjee 2015-03-03 765 pr_info("crtc->cursor.mmio = %p\n", crtc->cursor.mmio);
cd33da26036ea5 Christopher Carbone 2022-08-23 766 crtc->cursor.max_h = 64;
cd33da26036ea5 Christopher Carbone 2022-08-23 767 crtc->cursor.max_w = 64;
39f9137268ee3d Benjamin Philip 2021-07-26 768 crtc->cursor.size = crtc->cursor.max_h * crtc->cursor.max_w * 2 / 8;
e359b6a863e19f Mike Rapoport 2015-10-26 769 crtc->cursor.vstart = sm750_dev->pvMem + crtc->cursor.offset;
81dee67e215b23 Sudip Mukherjee 2015-03-03 770
3de08a2d14ff8c Lorenzo Stoakes 2015-03-20 771 memset_io(crtc->cursor.vstart, 0, crtc->cursor.size);
f7c8a046577e09 Thomas Zimmermann 2023-11-27 772 if (!g_hwcursor)
52d0744d751d8f Arnd Bergmann 2016-11-09 773 sm750_hw_cursor_disable(&crtc->cursor);
81dee67e215b23 Sudip Mukherjee 2015-03-03 774
81dee67e215b23 Sudip Mukherjee 2015-03-03 775 /* set info->fbops, must be set before fb_find_mode */
e359b6a863e19f Mike Rapoport 2015-10-26 776 if (!sm750_dev->accel_off) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 777 /* use 2d acceleration */
f7c8a046577e09 Thomas Zimmermann 2023-11-27 778 if (!g_hwcursor)
f7c8a046577e09 Thomas Zimmermann 2023-11-27 779 info->fbops = &lynxfb_ops_accel;
f7c8a046577e09 Thomas Zimmermann 2023-11-27 780 else
f7c8a046577e09 Thomas Zimmermann 2023-11-27 781 info->fbops = &lynxfb_ops_accel_with_cursor;
f7c8a046577e09 Thomas Zimmermann 2023-11-27 782 } else {
f7c8a046577e09 Thomas Zimmermann 2023-11-27 783 if (!g_hwcursor)
81dee67e215b23 Sudip Mukherjee 2015-03-03 784 info->fbops = &lynxfb_ops;
f7c8a046577e09 Thomas Zimmermann 2023-11-27 785 else
f7c8a046577e09 Thomas Zimmermann 2023-11-27 786 info->fbops = &lynxfb_ops_with_cursor;
f7c8a046577e09 Thomas Zimmermann 2023-11-27 787 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 788
81dee67e215b23 Sudip Mukherjee 2015-03-03 789 if (!g_fbmode[index]) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 @790 g_fbmode[index] = g_def_fbmode;
81dee67e215b23 Sudip Mukherjee 2015-03-03 791 if (index)
81dee67e215b23 Sudip Mukherjee 2015-03-03 792 g_fbmode[index] = g_fbmode[0];
81dee67e215b23 Sudip Mukherjee 2015-03-03 793 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 794
81dee67e215b23 Sudip Mukherjee 2015-03-03 795 for (i = 0; i < 3; i++) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 796 ret = fb_find_mode(var, info, g_fbmode[index],
81dee67e215b23 Sudip Mukherjee 2015-03-03 797 pdb[i], cdb[i], NULL, 8);
81dee67e215b23 Sudip Mukherjee 2015-03-03 798
81dee67e215b23 Sudip Mukherjee 2015-03-03 799 if (ret == 1) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 800 pr_info("success! use specified mode:%s in %s\n",
81dee67e215b23 Sudip Mukherjee 2015-03-03 801 g_fbmode[index],
81dee67e215b23 Sudip Mukherjee 2015-03-03 802 mdb_desc[i]);
81dee67e215b23 Sudip Mukherjee 2015-03-03 803 break;
81dee67e215b23 Sudip Mukherjee 2015-03-03 804 } else if (ret == 2) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 805 pr_warn("use specified mode:%s in %s,with an ignored refresh rate\n",
81dee67e215b23 Sudip Mukherjee 2015-03-03 806 g_fbmode[index],
81dee67e215b23 Sudip Mukherjee 2015-03-03 807 mdb_desc[i]);
81dee67e215b23 Sudip Mukherjee 2015-03-03 808 break;
81dee67e215b23 Sudip Mukherjee 2015-03-03 809 } else if (ret == 3) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 810 pr_warn("wanna use default mode\n");
4bd9503d0becdb Michel von Czettritz 2015-03-26 811 /*break;*/
81dee67e215b23 Sudip Mukherjee 2015-03-03 812 } else if (ret == 4) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 813 pr_warn("fall back to any valid mode\n");
81dee67e215b23 Sudip Mukherjee 2015-03-03 814 } else {
3318bb5e945f70 Michel von Czettritz 2015-03-26 815 pr_warn("ret = %d,fb_find_mode failed,with %s\n",
3318bb5e945f70 Michel von Czettritz 2015-03-26 816 ret,
3318bb5e945f70 Michel von Czettritz 2015-03-26 817 mdb_desc[i]);
81dee67e215b23 Sudip Mukherjee 2015-03-03 818 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 819 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 820
81dee67e215b23 Sudip Mukherjee 2015-03-03 821 /* some member of info->var had been set by fb_find_mode */
81dee67e215b23 Sudip Mukherjee 2015-03-03 822
271dbae3c6a1da Prasant Jalan 2017-04-01 823 pr_info("Member of info->var is :\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 824 "xres=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 825 "yres=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 826 "xres_virtual=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 827 "yres_virtual=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 828 "xoffset=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 829 "yoffset=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 830 "bits_per_pixel=%d\n"
271dbae3c6a1da Prasant Jalan 2017-04-01 831 " ...\n",
3318bb5e945f70 Michel von Czettritz 2015-03-26 832 var->xres,
3318bb5e945f70 Michel von Czettritz 2015-03-26 833 var->yres,
3318bb5e945f70 Michel von Czettritz 2015-03-26 834 var->xres_virtual,
3318bb5e945f70 Michel von Czettritz 2015-03-26 835 var->yres_virtual,
3318bb5e945f70 Michel von Czettritz 2015-03-26 836 var->xoffset,
3318bb5e945f70 Michel von Czettritz 2015-03-26 837 var->yoffset,
3318bb5e945f70 Michel von Czettritz 2015-03-26 838 var->bits_per_pixel);
81dee67e215b23 Sudip Mukherjee 2015-03-03 839
81dee67e215b23 Sudip Mukherjee 2015-03-03 840 /* set par */
81dee67e215b23 Sudip Mukherjee 2015-03-03 841 par->info = info;
81dee67e215b23 Sudip Mukherjee 2015-03-03 842
81dee67e215b23 Sudip Mukherjee 2015-03-03 843 /* set info */
e3a3f9f5123683 Mike Rapoport 2015-10-26 844 line_length = ALIGN((var->xres_virtual * var->bits_per_pixel / 8),
e3a3f9f5123683 Mike Rapoport 2015-10-26 845 crtc->line_pad);
81dee67e215b23 Sudip Mukherjee 2015-03-03 846
81dee67e215b23 Sudip Mukherjee 2015-03-03 847 info->pseudo_palette = &par->pseudo_palette[0];
cc59bde1c920ab Benjamin Philip 2021-07-28 848 info->screen_base = crtc->v_screen;
81dee67e215b23 Sudip Mukherjee 2015-03-03 849 pr_debug("screen_base vaddr = %p\n", info->screen_base);
81dee67e215b23 Sudip Mukherjee 2015-03-03 850 info->screen_size = line_length * var->yres_virtual;
81dee67e215b23 Sudip Mukherjee 2015-03-03 851
81dee67e215b23 Sudip Mukherjee 2015-03-03 852 /* set info->fix */
81dee67e215b23 Sudip Mukherjee 2015-03-03 853 fix->type = FB_TYPE_PACKED_PIXELS;
81dee67e215b23 Sudip Mukherjee 2015-03-03 854 fix->type_aux = 0;
81dee67e215b23 Sudip Mukherjee 2015-03-03 855 fix->xpanstep = crtc->xpanstep;
81dee67e215b23 Sudip Mukherjee 2015-03-03 856 fix->ypanstep = crtc->ypanstep;
81dee67e215b23 Sudip Mukherjee 2015-03-03 857 fix->ywrapstep = crtc->ywrapstep;
81dee67e215b23 Sudip Mukherjee 2015-03-03 858 fix->accel = FB_ACCEL_SMI;
81dee67e215b23 Sudip Mukherjee 2015-03-03 859
9c15db83a86bf8 Kumar Kartikeya Dwivedi 2021-01-31 860 strscpy(fix->id, fixId[index], sizeof(fix->id));
81dee67e215b23 Sudip Mukherjee 2015-03-03 861
fdc234d85210d9 Benjamin Philip 2021-07-28 862 fix->smem_start = crtc->o_screen + sm750_dev->vidmem_start;
81dee67e215b23 Sudip Mukherjee 2015-03-03 863 pr_info("fix->smem_start = %lx\n", fix->smem_start);
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 864 /*
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 865 * according to mmap experiment from user space application,
81dee67e215b23 Sudip Mukherjee 2015-03-03 866 * fix->mmio_len should not larger than virtual size
81dee67e215b23 Sudip Mukherjee 2015-03-03 867 * (xres_virtual x yres_virtual x ByPP)
81dee67e215b23 Sudip Mukherjee 2015-03-03 868 * Below line maybe buggy when user mmap fb dev node and write
81dee67e215b23 Sudip Mukherjee 2015-03-03 869 * data into the bound over virtual size
d11ac7cbcc266c Sudip Mukherjee 2015-08-07 870 */
81dee67e215b23 Sudip Mukherjee 2015-03-03 871 fix->smem_len = crtc->vidmem_size;
81dee67e215b23 Sudip Mukherjee 2015-03-03 872 pr_info("fix->smem_len = %x\n", fix->smem_len);
81dee67e215b23 Sudip Mukherjee 2015-03-03 873 info->screen_size = fix->smem_len;
81dee67e215b23 Sudip Mukherjee 2015-03-03 874 fix->line_length = line_length;
e359b6a863e19f Mike Rapoport 2015-10-26 875 fix->mmio_start = sm750_dev->vidreg_start;
81dee67e215b23 Sudip Mukherjee 2015-03-03 876 pr_info("fix->mmio_start = %lx\n", fix->mmio_start);
e359b6a863e19f Mike Rapoport 2015-10-26 877 fix->mmio_len = sm750_dev->vidreg_size;
81dee67e215b23 Sudip Mukherjee 2015-03-03 878 pr_info("fix->mmio_len = %x\n", fix->mmio_len);
b610e1193a917f Matej Dujava 2020-04-30 879
b610e1193a917f Matej Dujava 2020-04-30 880 lynxfb_set_visual_mode(info);
81dee67e215b23 Sudip Mukherjee 2015-03-03 881
81dee67e215b23 Sudip Mukherjee 2015-03-03 882 /* set var */
81dee67e215b23 Sudip Mukherjee 2015-03-03 883 var->activate = FB_ACTIVATE_NOW;
81dee67e215b23 Sudip Mukherjee 2015-03-03 884 var->accel_flags = 0;
81dee67e215b23 Sudip Mukherjee 2015-03-03 885 var->vmode = FB_VMODE_NONINTERLACED;
81dee67e215b23 Sudip Mukherjee 2015-03-03 886
81dee67e215b23 Sudip Mukherjee 2015-03-03 887 pr_debug("#1 show info->cmap :\nstart=%d,len=%d,red=%p,green=%p,blue=%p,transp=%p\n",
81dee67e215b23 Sudip Mukherjee 2015-03-03 888 info->cmap.start, info->cmap.len,
81dee67e215b23 Sudip Mukherjee 2015-03-03 889 info->cmap.red, info->cmap.green, info->cmap.blue,
81dee67e215b23 Sudip Mukherjee 2015-03-03 890 info->cmap.transp);
81dee67e215b23 Sudip Mukherjee 2015-03-03 891
61c507cf652da1 Michel von Czettritz 2015-03-26 892 ret = fb_alloc_cmap(&info->cmap, 256, 0);
61c507cf652da1 Michel von Czettritz 2015-03-26 893 if (ret < 0) {
008272072d61a8 Masanari Iida 2015-05-28 894 pr_err("Could not allocate memory for cmap.\n");
81dee67e215b23 Sudip Mukherjee 2015-03-03 895 goto exit;
81dee67e215b23 Sudip Mukherjee 2015-03-03 896 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 897
81dee67e215b23 Sudip Mukherjee 2015-03-03 898 pr_debug("#2 show info->cmap :\nstart=%d,len=%d,red=%p,green=%p,blue=%p,transp=%p\n",
81dee67e215b23 Sudip Mukherjee 2015-03-03 899 info->cmap.start, info->cmap.len,
81dee67e215b23 Sudip Mukherjee 2015-03-03 900 info->cmap.red, info->cmap.green, info->cmap.blue,
81dee67e215b23 Sudip Mukherjee 2015-03-03 901 info->cmap.transp);
81dee67e215b23 Sudip Mukherjee 2015-03-03 902
81dee67e215b23 Sudip Mukherjee 2015-03-03 903 exit:
81dee67e215b23 Sudip Mukherjee 2015-03-03 904 lynxfb_ops_check_var(var, info);
81dee67e215b23 Sudip Mukherjee 2015-03-03 905 return ret;
81dee67e215b23 Sudip Mukherjee 2015-03-03 906 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 907
81dee67e215b23 Sudip Mukherjee 2015-03-03 908 /* chip specific g_option configuration routine */
700591a9adc8b1 Mike Rapoport 2015-10-26 909 static void sm750fb_setup(struct sm750_dev *sm750_dev, char *src)
81dee67e215b23 Sudip Mukherjee 2015-03-03 910 {
81dee67e215b23 Sudip Mukherjee 2015-03-03 911 char *opt;
81dee67e215b23 Sudip Mukherjee 2015-03-03 912 int swap;
81dee67e215b23 Sudip Mukherjee 2015-03-03 913
81dee67e215b23 Sudip Mukherjee 2015-03-03 914 swap = 0;
81dee67e215b23 Sudip Mukherjee 2015-03-03 915
1757d106a9ce8c Mike Rapoport 2015-10-26 916 sm750_dev->initParm.chip_clk = 0;
1757d106a9ce8c Mike Rapoport 2015-10-26 917 sm750_dev->initParm.mem_clk = 0;
1757d106a9ce8c Mike Rapoport 2015-10-26 918 sm750_dev->initParm.master_clk = 0;
1757d106a9ce8c Mike Rapoport 2015-10-26 919 sm750_dev->initParm.powerMode = 0;
1757d106a9ce8c Mike Rapoport 2015-10-26 920 sm750_dev->initParm.setAllEngOff = 0;
1757d106a9ce8c Mike Rapoport 2015-10-26 921 sm750_dev->initParm.resetMemory = 1;
81dee67e215b23 Sudip Mukherjee 2015-03-03 922
81dee67e215b23 Sudip Mukherjee 2015-03-03 923 /* defaultly turn g_hwcursor on for both view */
81dee67e215b23 Sudip Mukherjee 2015-03-03 924 g_hwcursor = 3;
81dee67e215b23 Sudip Mukherjee 2015-03-03 925
81dee67e215b23 Sudip Mukherjee 2015-03-03 926 if (!src || !*src) {
c56de0967a658c Elise Lennion 2016-10-31 927 dev_warn(&sm750_dev->pdev->dev, "no specific g_option.\n");
81dee67e215b23 Sudip Mukherjee 2015-03-03 928 goto NO_PARAM;
81dee67e215b23 Sudip Mukherjee 2015-03-03 929 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 930
0fa96e39279988 Sudip Mukherjee 2015-03-10 931 while ((opt = strsep(&src, ":")) != NULL && *opt != 0) {
c56de0967a658c Elise Lennion 2016-10-31 932 dev_info(&sm750_dev->pdev->dev, "opt=%s\n", opt);
c56de0967a658c Elise Lennion 2016-10-31 933 dev_info(&sm750_dev->pdev->dev, "src=%s\n", src);
81dee67e215b23 Sudip Mukherjee 2015-03-03 934
144634a6b42146 Katie Dunne 2017-02-19 935 if (!strncmp(opt, "swap", strlen("swap"))) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 936 swap = 1;
144634a6b42146 Katie Dunne 2017-02-19 937 } else if (!strncmp(opt, "nocrt", strlen("nocrt"))) {
1757d106a9ce8c Mike Rapoport 2015-10-26 938 sm750_dev->nocrt = 1;
144634a6b42146 Katie Dunne 2017-02-19 939 } else if (!strncmp(opt, "36bit", strlen("36bit"))) {
1757d106a9ce8c Mike Rapoport 2015-10-26 940 sm750_dev->pnltype = sm750_doubleTFT;
144634a6b42146 Katie Dunne 2017-02-19 941 } else if (!strncmp(opt, "18bit", strlen("18bit"))) {
1757d106a9ce8c Mike Rapoport 2015-10-26 942 sm750_dev->pnltype = sm750_dualTFT;
144634a6b42146 Katie Dunne 2017-02-19 943 } else if (!strncmp(opt, "24bit", strlen("24bit"))) {
1757d106a9ce8c Mike Rapoport 2015-10-26 944 sm750_dev->pnltype = sm750_24TFT;
144634a6b42146 Katie Dunne 2017-02-19 945 } else if (!strncmp(opt, "nohwc0", strlen("nohwc0"))) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 946 g_hwcursor &= ~0x1;
144634a6b42146 Katie Dunne 2017-02-19 947 } else if (!strncmp(opt, "nohwc1", strlen("nohwc1"))) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 948 g_hwcursor &= ~0x2;
144634a6b42146 Katie Dunne 2017-02-19 949 } else if (!strncmp(opt, "nohwc", strlen("nohwc"))) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 950 g_hwcursor = 0;
144634a6b42146 Katie Dunne 2017-02-19 951 } else {
81dee67e215b23 Sudip Mukherjee 2015-03-03 952 if (!g_fbmode[0]) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 @953 g_fbmode[0] = opt;
cee9ba1c30d051 Abdul Rauf 2017-01-08 954 dev_info(&sm750_dev->pdev->dev,
cee9ba1c30d051 Abdul Rauf 2017-01-08 955 "find fbmode0 : %s\n", g_fbmode[0]);
81dee67e215b23 Sudip Mukherjee 2015-03-03 956 } else if (!g_fbmode[1]) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 957 g_fbmode[1] = opt;
cee9ba1c30d051 Abdul Rauf 2017-01-08 958 dev_info(&sm750_dev->pdev->dev,
cee9ba1c30d051 Abdul Rauf 2017-01-08 959 "find fbmode1 : %s\n", g_fbmode[1]);
81dee67e215b23 Sudip Mukherjee 2015-03-03 960 } else {
c56de0967a658c Elise Lennion 2016-10-31 961 dev_warn(&sm750_dev->pdev->dev, "How many view you wann set?\n");
81dee67e215b23 Sudip Mukherjee 2015-03-03 962 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 963 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 964 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 965
81dee67e215b23 Sudip Mukherjee 2015-03-03 966 NO_PARAM:
e359b6a863e19f Mike Rapoport 2015-10-26 967 if (sm750_dev->revid != SM750LE_REVISION_ID) {
a3f92cc94c6126 Mike Rapoport 2016-01-17 968 if (sm750_dev->fb_count > 1) {
81dee67e215b23 Sudip Mukherjee 2015-03-03 969 if (swap)
1757d106a9ce8c Mike Rapoport 2015-10-26 970 sm750_dev->dataflow = sm750_dual_swap;
81dee67e215b23 Sudip Mukherjee 2015-03-03 971 else
1757d106a9ce8c Mike Rapoport 2015-10-26 972 sm750_dev->dataflow = sm750_dual_normal;
81dee67e215b23 Sudip Mukherjee 2015-03-03 973 } else {
81dee67e215b23 Sudip Mukherjee 2015-03-03 974 if (swap)
1757d106a9ce8c Mike Rapoport 2015-10-26 975 sm750_dev->dataflow = sm750_simul_sec;
81dee67e215b23 Sudip Mukherjee 2015-03-03 976 else
1757d106a9ce8c Mike Rapoport 2015-10-26 977 sm750_dev->dataflow = sm750_simul_pri;
81dee67e215b23 Sudip Mukherjee 2015-03-03 978 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 979 } else {
81dee67e215b23 Sudip Mukherjee 2015-03-03 980 /* SM750LE only have one crt channel */
1757d106a9ce8c Mike Rapoport 2015-10-26 981 sm750_dev->dataflow = sm750_simul_sec;
81dee67e215b23 Sudip Mukherjee 2015-03-03 982 /* sm750le do not have complex attributes */
1757d106a9ce8c Mike Rapoport 2015-10-26 983 sm750_dev->nocrt = 0;
81dee67e215b23 Sudip Mukherjee 2015-03-03 984 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 985 }
81dee67e215b23 Sudip Mukherjee 2015-03-03 986
--
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki
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