linux-kernel - Re: [PATCH 2/3] arch: Remove struct fb

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Date: Fri, 23 Feb 2024 09:26:10 +0800
From: kernel test robot <lkp@...el.com>
To: Thomas Zimmermann <tzimmermann@...e.de>, arnd@...db.de,
	javierm@...hat.com, deller@....de, suijingfeng@...ngson.cn
Cc: oe-kbuild-all@...ts.linux.dev, linux-arch@...r.kernel.org,
	dri-devel@...ts.freedesktop.org, linux-fbdev@...r.kernel.org,
	sparclinux@...r.kernel.org, linux-sh@...r.kernel.org,
	linuxppc-dev@...ts.ozlabs.org, linux-parisc@...r.kernel.org,
	linux-mips@...r.kernel.org, linux-m68k@...ts.linux-m68k.org,
	loongarch@...ts.linux.dev, linux-arm-kernel@...ts.infradead.org,
	linux-snps-arc@...ts.infradead.org, linux-kernel@...r.kernel.org,
	Thomas Zimmermann <tzimmermann@...e.de>,
	"James E.J. Bottomley" <James.Bottomley@...senpartnership.com>,
	Andreas Larsson <andreas@...sler.com>,
	Thomas Gleixner <tglx@...utronix.de>,
	Ingo Molnar <mingo@...hat.com>, Borislav Petkov <bp@...en8.de>,
	Dave Hansen <dave.hansen@...ux.intel.com>, x86@...nel.org,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: [PATCH 2/3] arch: Remove struct fb_info from video helpers

Hi Thomas,

kernel test robot noticed the following build errors:

[auto build test ERROR on tip/x86/core]
[also build test ERROR on deller-parisc/for-next arnd-asm-generic/master linus/master v6.8-rc5]
[cannot apply to next-20240222]
[If your patch is applied to the wrong git tree, kindly drop us a note.
And when submitting patch, we suggest to use '--base' as documented in
https://git-scm.com/docs/git-format-patch#_base_tree_information]

url:    https://github.com/intel-lab-lkp/linux/commits/Thomas-Zimmermann/arch-Select-fbdev-helpers-with-CONFIG_VIDEO/20240222-001622
base:   tip/x86/core
patch link:    https://lore.kernel.org/r/20240221161431.8245-3-tzimmermann%40suse.de
patch subject: [PATCH 2/3] arch: Remove struct fb_info from video helpers
config: x86_64-rhel-8.3 (https://download.01.org/0day-ci/archive/20240223/202402230941.JZdvHHEX-lkp@intel.com/config)
compiler: gcc-12 (Debian 12.2.0-14) 12.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240223/202402230941.JZdvHHEX-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@...el.com>
| Closes: https://lore.kernel.org/oe-kbuild-all/202402230941.JZdvHHEX-lkp@intel.com/

All errors (new ones prefixed by >>):

   ld: vmlinux.o: in function `fbcon_select_primary':
>> drivers/video/fbdev/core/fbcon.c:2944: undefined reference to `video_is_primary_device'
   ld: vmlinux.o: in function `fb_io_mmap':
   drivers/video/fbdev/core/fb_io_fops.c:164: undefined reference to `pgprot_framebuffer'


vim +2944 drivers/video/fbdev/core/fbcon.c

  2939	
  2940	#ifdef CONFIG_FRAMEBUFFER_CONSOLE_DETECT_PRIMARY
  2941	static void fbcon_select_primary(struct fb_info *info)
  2942	{
  2943		if (!map_override && primary_device == -1 &&
> 2944		    video_is_primary_device(info->device)) {
  2945			int i;
  2946	
  2947			printk(KERN_INFO "fbcon: %s (fb%i) is primary device\n",
  2948			       info->fix.id, info->node);
  2949			primary_device = info->node;
  2950	
  2951			for (i = first_fb_vc; i <= last_fb_vc; i++)
  2952				con2fb_map_boot[i] = primary_device;
  2953	
  2954			if (con_is_bound(&fb_con)) {
  2955				printk(KERN_INFO "fbcon: Remapping primary device, "
  2956				       "fb%i, to tty %i-%i\n", info->node,
  2957				       first_fb_vc + 1, last_fb_vc + 1);
  2958				info_idx = primary_device;
  2959			}
  2960		}
  2961	

-- 
0-DAY CI Kernel Test Service
https://github.com/intel/lkp-tests/wiki