linux-kernel - Re: [PATCH v1] io.h: drop unused headers

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Message-ID: <202502211009.s6xoWtae-lkp@intel.com>
Date: Fri, 21 Feb 2025 10:52:12 +0800
From: kernel test robot <lkp@...el.com>
To: Raag Jadav <raag.jadav@...el.com>, arnd@...db.de,
	andriy.shevchenko@...ux.intel.com
Cc: oe-kbuild-all@...ts.linux.dev, linux-kernel@...r.kernel.org,
	Raag Jadav <raag.jadav@...el.com>
Subject: Re: [PATCH v1] io.h: drop unused headers

Hi Raag,

kernel test robot noticed the following build errors:

[auto build test ERROR on b16e9f8547a328b19af59afc213ce323124d11e9]

url:    https://github.com/intel-lab-lkp/linux/commits/Raag-Jadav/io-h-drop-unused-headers/20250221-013530
base:   b16e9f8547a328b19af59afc213ce323124d11e9
patch link:    https://lore.kernel.org/r/20250220173305.2752125-1-raag.jadav%40intel.com
patch subject: [PATCH v1] io.h: drop unused headers
config: sparc-randconfig-001-20250221 (https://download.01.org/0day-ci/archive/20250221/202502211009.s6xoWtae-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 14.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250221/202502211009.s6xoWtae-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/202502211009.s6xoWtae-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpu/drm/drm_draw.c: In function 'drm_draw_color_from_xrgb8888':
>> drivers/gpu/drm/drm_draw.c:130:17: error: implicit declaration of function 'WARN_ONCE' [-Wimplicit-function-declaration]
     130 |                 WARN_ONCE(1, "Can't convert to %p4cc\n", &format);
         |                 ^~~~~~~~~


vim +/WARN_ONCE +130 drivers/gpu/drm/drm_draw.c

31fa2c1ca0b239 Jocelyn Falempe 2024-12-04   93  
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04   94  /**
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04   95   * drm_draw_color_from_xrgb8888 - convert one pixel from xrgb8888 to the desired format
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04   96   * @color: input color, in xrgb8888 format
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04   97   * @format: output format
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04   98   *
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04   99   * Returns:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  100   * Color in the format specified, casted to u32.
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  101   * Or 0 if the format is not supported.
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  102   */
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  103  u32 drm_draw_color_from_xrgb8888(u32 color, u32 format)
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  104  {
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  105  	switch (format) {
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  106  	case DRM_FORMAT_RGB565:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  107  		return convert_xrgb8888_to_rgb565(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  108  	case DRM_FORMAT_RGBA5551:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  109  		return convert_xrgb8888_to_rgba5551(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  110  	case DRM_FORMAT_XRGB1555:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  111  		return convert_xrgb8888_to_xrgb1555(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  112  	case DRM_FORMAT_ARGB1555:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  113  		return convert_xrgb8888_to_argb1555(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  114  	case DRM_FORMAT_RGB888:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  115  	case DRM_FORMAT_XRGB8888:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  116  		return color;
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  117  	case DRM_FORMAT_ARGB8888:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  118  		return convert_xrgb8888_to_argb8888(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  119  	case DRM_FORMAT_XBGR8888:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  120  		return convert_xrgb8888_to_xbgr8888(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  121  	case DRM_FORMAT_ABGR8888:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  122  		return convert_xrgb8888_to_abgr8888(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  123  	case DRM_FORMAT_XRGB2101010:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  124  		return convert_xrgb8888_to_xrgb2101010(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  125  	case DRM_FORMAT_ARGB2101010:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  126  		return convert_xrgb8888_to_argb2101010(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  127  	case DRM_FORMAT_ABGR2101010:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  128  		return convert_xrgb8888_to_abgr2101010(color);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  129  	default:
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04 @130  		WARN_ONCE(1, "Can't convert to %p4cc\n", &format);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  131  		return 0;
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  132  	}
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  133  }
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  134  EXPORT_SYMBOL(drm_draw_color_from_xrgb8888);
31fa2c1ca0b239 Jocelyn Falempe 2024-12-04  135  

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