[linux-next:master 10241/12559] drivers/gpu/drm/verisilicon/vs_bridge.c:306:7: warning: assignment to 'struct drm_bridge *' from 'int' makes pointer from integer without a cast

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

Hi Luca,

FYI, the error/warning was bisected to this commit, please ignore it if it's irrelevant.

tree:   https://git.kernel.org/pub/scm/linux/kernel/git/next/linux-next.git master
head:   6c2cb8b8b843d216ab549b678a0d8831c43153e0
commit: aa8a8c7e4641ebcef02dd6fa387ca334857367f4 [10241/12559] drm/bridge: panel: move all code to drm_panel.c
config: xtensa-randconfig-r2307-20260930 (https://download.01.org/0day-ci/archive/20260930/202609302316.aEF8QlMC-lkp@intel.com/config)
compiler: xtensa-linux-gcc (GCC) 8.5.0
sparse: v0.6.5-rc1
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20260930/202609302316.aEF8QlMC-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/202609302316.aEF8QlMC-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/verisilicon/vs_bridge.c: In function 'vs_bridge_init':
   drivers/gpu/drm/verisilicon/vs_bridge.c:306:9: error: implicit declaration of function 'devm_drm_of_get_bridge'; did you mean 'devm_drm_put_bridge'? [-Werror=implicit-function-declaration]
     next = devm_drm_of_get_bridge(drm_dev->dev, drm_dev->dev->of_node,
            ^~~~~~~~~~~~~~~~~~~~~~
            devm_drm_put_bridge
>> drivers/gpu/drm/verisilicon/vs_bridge.c:306:7: warning: assignment to 'struct drm_bridge *' from 'int' makes pointer from integer without a cast [-Wint-conversion]
     next = devm_drm_of_get_bridge(drm_dev->dev, drm_dev->dev->of_node,
          ^
   cc1: some warnings being treated as errors


vim +306 drivers/gpu/drm/verisilicon/vs_bridge.c

dbf21777caa8b8 Icenowy Zheng 2026-01-29  288  
dbf21777caa8b8 Icenowy Zheng 2026-01-29  289  struct vs_bridge *vs_bridge_init(struct drm_device *drm_dev,
dbf21777caa8b8 Icenowy Zheng 2026-01-29  290  				 struct vs_crtc *crtc)
dbf21777caa8b8 Icenowy Zheng 2026-01-29  291  {
dbf21777caa8b8 Icenowy Zheng 2026-01-29  292  	unsigned int output = crtc->id;
dbf21777caa8b8 Icenowy Zheng 2026-01-29  293  	struct vs_bridge *bridge;
dbf21777caa8b8 Icenowy Zheng 2026-01-29  294  	struct drm_bridge *next;
dbf21777caa8b8 Icenowy Zheng 2026-01-29  295  	enum vs_bridge_output_interface intf;
dbf21777caa8b8 Icenowy Zheng 2026-01-29  296  	const struct drm_bridge_funcs *bridge_funcs;
dbf21777caa8b8 Icenowy Zheng 2026-01-29  297  	int ret, enctype;
dbf21777caa8b8 Icenowy Zheng 2026-01-29  298  
dbf21777caa8b8 Icenowy Zheng 2026-01-29  299  	intf = vs_bridge_detect_output_interface(drm_dev->dev->of_node,
dbf21777caa8b8 Icenowy Zheng 2026-01-29  300  						 output);
dbf21777caa8b8 Icenowy Zheng 2026-01-29  301  	if (intf == -ENODEV) {
dbf21777caa8b8 Icenowy Zheng 2026-01-29  302  		drm_dbg(drm_dev, "Skipping output %u\n", output);
dbf21777caa8b8 Icenowy Zheng 2026-01-29  303  		return NULL;
dbf21777caa8b8 Icenowy Zheng 2026-01-29  304  	}
dbf21777caa8b8 Icenowy Zheng 2026-01-29  305  
dbf21777caa8b8 Icenowy Zheng 2026-01-29 @306  	next = devm_drm_of_get_bridge(drm_dev->dev, drm_dev->dev->of_node,

:::::: The code at line 306 was first introduced by commit
:::::: dbf21777caa8b8c88c12f7f036b01208fec0d55a drm: verisilicon: add a driver for Verisilicon display controllers

:::::: TO: Icenowy Zheng <uwu@icenowy.me>
:::::: CC: Thomas Zimmermann <tzimmermann@suse.de>

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