Re: [RFC 1/1] drm/mipi-dbi: Use drm_device for debugfs, drop drm_minor and .debugfs_init

[kernel test robot <lkp@intel.com>]

Hi Jagath,

[This is a private test report for your RFC patch.]
kernel test robot noticed the following build errors:

[auto build test ERROR on linus/master]
[also build test ERROR on v6.15-rc3 next-20250417]
[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/Jagath-Jog-J/drm-mipi-dbi-Use-drm_device-for-debugfs-drop-drm_minor-and-debugfs_init/20250421-170105
base:   linus/master
patch link:    https://lore.kernel.org/r/20250421085907.24972-2-jagathjog1996%40gmail.com
patch subject: [RFC 1/1] drm/mipi-dbi: Use drm_device for debugfs, drop drm_minor and .debugfs_init
config: hexagon-randconfig-002-20250421 (https://download.01.org/0day-ci/archive/20250421/202504212018.dSYIH2wr-lkp@intel.com/config)
compiler: clang version 21.0.0git (https://github.com/llvm/llvm-project f819f46284f2a79790038e1f6649172789734ae8)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20250421/202504212018.dSYIH2wr-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/202504212018.dSYIH2wr-lkp@intel.com/

All errors (new ones prefixed by >>):

>> drivers/gpu/drm/tiny/ili9341.c:155:19: error: incompatible function pointer types initializing 'void (*)(struct drm_minor *)' with an expression of type 'void (struct mipi_dbi_dev *)' [-Wincompatible-function-pointer-types]
     155 |         .debugfs_init           = mipi_dbi_debugfs_init,
         |                                   ^~~~~~~~~~~~~~~~~~~~~
   1 error generated.
--
>> drivers/gpu/drm/tiny/hx8357d.c:199:19: error: incompatible function pointer types initializing 'void (*)(struct drm_minor *)' with an expression of type 'void (struct mipi_dbi_dev *)' [-Wincompatible-function-pointer-types]
     199 |         .debugfs_init           = mipi_dbi_debugfs_init,
         |                                   ^~~~~~~~~~~~~~~~~~~~~
   1 error generated.


vim +155 drivers/gpu/drm/tiny/ili9341.c

3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25  149  
70a59dd82959f8 drivers/gpu/drm/tiny/ili9341.c    Simona Vetter     2020-11-04  150  static const struct drm_driver ili9341_driver = {
0424fdaf883a68 drivers/gpu/drm/tinydrm/ili9341.c Simona Vetter     2019-06-17  151  	.driver_features	= DRIVER_GEM | DRIVER_MODESET | DRIVER_ATOMIC,
3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25  152  	.fops			= &ili9341_fops,
4a83c26a1d8702 drivers/gpu/drm/tiny/ili9341.c    Danilo Krummrich  2022-08-02  153  	DRM_GEM_DMA_DRIVER_OPS_VMAP,
df0cc9eaff170e drivers/gpu/drm/tiny/ili9341.c    Thomas Zimmermann 2024-09-24  154  	DRM_FBDEV_DMA_DRIVER_OPS,
3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25 @155  	.debugfs_init		= mipi_dbi_debugfs_init,
3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25  156  	.name			= "ili9341",
3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25  157  	.desc			= "Ilitek ILI9341",
3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25  158  	.major			= 1,
3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25  159  	.minor			= 0,
3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25  160  };
3fa0e8f6f9609b drivers/gpu/drm/tinydrm/ili9341.c David Lechner     2018-05-25  161  

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