linux-kernel - Re: [PATCH RESEND] drm: pl111: replace dev_* print functions with drm

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [day] [month] [year] [list]

Message-ID: <202511241828.LSkH7pqE-lkp@intel.com>
Date: Mon, 24 Nov 2025 19:17:50 +0800
From: kernel test robot <lkp@...el.com>
To: Eslam Khafagy <eslam.medhat1993@...il.com>, linus.walleij@...aro.org,
	maarten.lankhorst@...ux.intel.com, mripard@...nel.org,
	tzimmermann@...e.de, airlied@...il.com, simona@...ll.ch
Cc: llvm@...ts.linux.dev, oe-kbuild-all@...ts.linux.dev,
	dri-devel@...ts.freedesktop.org, linux-kernel@...r.kernel.org,
	Eslam Khafagy <eslam.medhat1993@...il.com>
Subject: Re: [PATCH RESEND] drm: pl111: replace dev_* print functions with
 drm_* variants

Hi Eslam,

kernel test robot noticed the following build errors:

[auto build test ERROR on drm-misc/drm-misc-next]
[also build test ERROR on linus/master v6.18-rc7 next-20251121]
[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/Eslam-Khafagy/drm-pl111-replace-dev_-print-functions-with-drm_-variants/20251122-085225
base:   git://anongit.freedesktop.org/drm/drm-misc drm-misc-next
patch link:    https://lore.kernel.org/r/20251122004951.567753-1-eslam.medhat1993%40gmail.com
patch subject: [PATCH RESEND] drm: pl111: replace dev_* print functions with drm_* variants
config: arm-nhk8815_defconfig (https://download.01.org/0day-ci/archive/20251124/202511241828.LSkH7pqE-lkp@intel.com/config)
compiler: clang version 22.0.0git (https://github.com/llvm/llvm-project 9e9fe08b16ea2c4d9867fb4974edf2a3776d6ece)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20251124/202511241828.LSkH7pqE-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/202511241828.LSkH7pqE-lkp@intel.com/

All errors (new ones prefixed by >>):

   In file included from drivers/gpu/drm/pl111/pl111_nomadik.c:7:
   drivers/gpu/drm/pl111/pl111_nomadik.h:11:32: warning: declaration of 'struct drm_device' will not be visible outside of this function [-Wvisibility]
      11 | void pl111_nomadik_init(struct drm_device *dev);
         |                                ^
   drivers/gpu/drm/pl111/pl111_nomadik.c:12:32: warning: declaration of 'struct drm_device' will not be visible outside of this function [-Wvisibility]
      12 | void pl111_nomadik_init(struct drm_device *dev)
         |                                ^
>> drivers/gpu/drm/pl111/pl111_nomadik.c:12:6: error: conflicting types for 'pl111_nomadik_init'
      12 | void pl111_nomadik_init(struct drm_device *dev)
         |      ^
   drivers/gpu/drm/pl111/pl111_nomadik.h:11:6: note: previous declaration is here
      11 | void pl111_nomadik_init(struct drm_device *dev);
         |      ^
>> drivers/gpu/drm/pl111/pl111_nomadik.c:34:2: error: call to undeclared function 'drm_info'; ISO C99 and later do not support implicit function declarations [-Wimplicit-function-declaration]
      34 |         drm_info(dev, "set Nomadik PMU mux to CLCD mode\n");
         |         ^
   2 warnings and 2 errors generated.


vim +/pl111_nomadik_init +12 drivers/gpu/drm/pl111/pl111_nomadik.c

   > 7	#include "pl111_nomadik.h"
     8	
     9	#define PMU_CTRL_OFFSET 0x0000
    10	#define PMU_CTRL_LCDNDIF BIT(26)
    11	
  > 12	void pl111_nomadik_init(struct drm_device *dev)
    13	{
    14		struct regmap *pmu_regmap;
    15	
    16		/*
    17		 * Just bail out of this is not found, we could be running
    18		 * multiplatform on something else than Nomadik.
    19		 */
    20		pmu_regmap =
    21			syscon_regmap_lookup_by_compatible("stericsson,nomadik-pmu");
    22		if (IS_ERR(pmu_regmap))
    23			return;
    24	
    25		/*
    26		 * This bit in the PMU controller multiplexes the two graphics
    27		 * blocks found in the Nomadik STn8815. The other one is called
    28		 * MDIF (Master Display Interface) and gets muxed out here.
    29		 */
    30		regmap_update_bits(pmu_regmap,
    31				   PMU_CTRL_OFFSET,
    32				   PMU_CTRL_LCDNDIF,
    33				   0);
  > 34		drm_info(dev, "set Nomadik PMU mux to CLCD mode\n");

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