linux-kernel - Re: [PATCH v4 2/5] drm/microchip: add a driver for the Microchip GFX2D GPU

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Message-ID: <202601131146.aeqDjJy1-lkp@intel.com>
Date: Tue, 13 Jan 2026 11:41:52 +0800
From: kernel test robot <lkp@...el.com>
To: Cyrille Pitchen <cyrille.pitchen@...rochip.com>,
	David Airlie <airlied@...il.com>, Simona Vetter <simona@...ll.ch>,
	Maarten Lankhorst <maarten.lankhorst@...ux.intel.com>,
	Maxime Ripard <mripard@...nel.org>,
	Thomas Zimmermann <tzimmermann@...e.de>,
	Rob Herring <robh@...nel.org>,
	Krzysztof Kozlowski <krzk@...nel.org>,
	Conor Dooley <conor+dt@...nel.org>,
	Nicolas Ferre <nicolas.ferre@...rochip.com>,
	Alexandre Belloni <alexandre.belloni@...tlin.com>,
	Claudiu Beznea <claudiu.beznea@...on.dev>,
	Russell King <linux@...linux.org.uk>
Cc: oe-kbuild-all@...ts.linux.dev, dri-devel@...ts.freedesktop.org,
	devicetree@...r.kernel.org, linux-kernel@...r.kernel.org,
	linux-arm-kernel@...ts.infradead.org,
	Cyrille Pitchen <cyrille.pitchen@...rochip.com>
Subject: Re: [PATCH v4 2/5] drm/microchip: add a driver for the Microchip
 GFX2D GPU

Hi Cyrille,

kernel test robot noticed the following build errors:

[auto build test ERROR on 38feb171b3f92d77e8061fafb5ddfffc2c13b672]

url:    https://github.com/intel-lab-lkp/linux/commits/Cyrille-Pitchen/dt-bindings-gpu-add-bindings-for-the-Microchip-GFX2D-GPU/20260112-192254
base:   38feb171b3f92d77e8061fafb5ddfffc2c13b672
patch link:    https://lore.kernel.org/r/20260112-cpitchen-mainline_gfx2d-v4-2-f210041ad343%40microchip.com
patch subject: [PATCH v4 2/5] drm/microchip: add a driver for the Microchip GFX2D GPU
config: arm-allyesconfig (https://download.01.org/0day-ci/archive/20260113/202601131146.aeqDjJy1-lkp@intel.com/config)
compiler: arm-linux-gnueabi-gcc (GCC) 15.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260113/202601131146.aeqDjJy1-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/202601131146.aeqDjJy1-lkp@intel.com/

All errors (new ones prefixed by >>):

   drivers/gpu/drm/microchip/mchp_gfx2d_cmd.c: In function 'mchp_gfx2d_enable_exend':
>> drivers/gpu/drm/microchip/mchp_gfx2d_cmd.c:44:9: error: implicit declaration of function 'drm_dbg'; did you mean 'dev_dbg'? [-Wimplicit-function-declaration]
      44 |         drm_dbg(&priv->drm, "enable EXEND interrupt\n");
         |         ^~~~~~~
         |         dev_dbg
--
>> drivers/gpu/drm/microchip/mchp_gfx2d_drv.c:61:10: error: 'const struct drm_driver' has no member named 'date'
      61 |         .date = "20240716",
         |          ^~~~
>> drivers/gpu/drm/microchip/mchp_gfx2d_drv.c:61:17: error: initialization of 'unsigned int' from 'char *' makes integer from pointer without a cast [-Wint-conversion]
      61 |         .date = "20240716",
         |                 ^~~~~~~~~~
   drivers/gpu/drm/microchip/mchp_gfx2d_drv.c:61:17: note: (near initialization for 'mchp_gfx2d_drm_driver.driver_features')
   drivers/gpu/drm/microchip/mchp_gfx2d_drv.c:62:28: warning: initialized field overwritten [-Woverride-init]
      62 |         .driver_features = DRIVER_GEM | DRIVER_RENDER,
         |                            ^~~~~~~~~~
   drivers/gpu/drm/microchip/mchp_gfx2d_drv.c:62:28: note: (near initialization for 'mchp_gfx2d_drm_driver.driver_features')
   drivers/gpu/drm/microchip/mchp_gfx2d_drv.c: In function 'mchp_gfx2d_thread':
>> drivers/gpu/drm/microchip/mchp_gfx2d_drv.c:98:9: error: implicit declaration of function 'drm_dbg'; did you mean 'dev_dbg'? [-Wimplicit-function-declaration]
      98 |         drm_dbg(&priv->drm, "enter IRQ thread\n");
         |         ^~~~~~~
         |         dev_dbg
   drivers/gpu/drm/microchip/mchp_gfx2d_drv.c: At top level:
>> drivers/gpu/drm/microchip/mchp_gfx2d_drv.c:344:10: error: 'struct platform_driver' has no member named 'remove_new'; did you mean 'remove'?
     344 |         .remove_new = mchp_gfx2d_remove,
         |          ^~~~~~~~~~
         |          remove
--
   drivers/gpu/drm/microchip/mchp_gfx2d_gem.c: In function 'mchp_gfx2d_gem_create':
>> drivers/gpu/drm/microchip/mchp_gfx2d_gem.c:127:17: error: implicit declaration of function 'drm_dbg'; did you mean 'dev_dbg'? [-Wimplicit-function-declaration]
     127 |                 drm_dbg(dev, "failed to allocate buffer with size %zu\n", size);
         |                 ^~~~~~~
         |                 dev_dbg
   drivers/gpu/drm/microchip/mchp_gfx2d_gem.c: In function 'mchp_gfx2d_gem_prime_import_sg_table':
>> drivers/gpu/drm/microchip/mchp_gfx2d_gem.c:201:9: error: implicit declaration of function 'drm_dbg_prime' [-Wimplicit-function-declaration]
     201 |         drm_dbg_prime(dev, "dma_addr = %pad, size = %zu\n",
         |         ^~~~~~~~~~~~~


vim +44 drivers/gpu/drm/microchip/mchp_gfx2d_cmd.c

    41	
    42	static void mchp_gfx2d_enable_exend(struct mchp_gfx2d_device *priv)
    43	{
  > 44		drm_dbg(&priv->drm, "enable EXEND interrupt\n");
    45		writel(GFX2D_IRQ_EXEND, priv->regs + GFX2D_IE);
    46	}
    47	

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