[mmind-rockchip:dev/panthor 36/41] drivers/gpu/drm/panthor/panthor_device.c:120:13: warning: 'panthor_device_is_initialized' defined but not used

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

Hi Boris,

First bad commit (maybe != root cause):

tree:   https://github.com/mmind/linux-rockchip dev/panthor
head:   ef8d76d568fba69012333ce6e9d7cce4aebbb2da
commit: 86d43fb902f5db2a81e432041864dd7523314c70 [36/41] drm/panthor: Allow driver compilation
config: alpha-allyesconfig (https://download.01.org/0day-ci/archive/20231111/202311110227.OabsvFN5-lkp@intel.com/config)
compiler: alpha-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231111/202311110227.OabsvFN5-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/202311110227.OabsvFN5-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/panthor/panthor_device.c: In function 'panthor_mmio_vm_fault':
   drivers/gpu/drm/panthor/panthor_device.c:307:31: error: implicit declaration of function 'virt_to_pfn'; did you mean 'virt_to_phys'? [-Werror=implicit-function-declaration]
     307 |                         pfn = virt_to_pfn(ptdev->pm.dummy_latest_flush);
         |                               ^~~~~~~~~~~
         |                               virt_to_phys
   drivers/gpu/drm/panthor/panthor_device.c: At top level:
>> drivers/gpu/drm/panthor/panthor_device.c:120:13: warning: 'panthor_device_is_initialized' defined but not used [-Wunused-function]
     120 | static bool panthor_device_is_initialized(struct panthor_device *ptdev)
         |             ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~
   cc1: some warnings being treated as errors


vim +/panthor_device_is_initialized +120 drivers/gpu/drm/panthor/panthor_device.c

0397be1efb94b5 Boris Brezillon 2023-08-09  119  
0397be1efb94b5 Boris Brezillon 2023-08-09 @120  static bool panthor_device_is_initialized(struct panthor_device *ptdev)
0397be1efb94b5 Boris Brezillon 2023-08-09  121  {
0397be1efb94b5 Boris Brezillon 2023-08-09  122  	return !!ptdev->scheduler;
0397be1efb94b5 Boris Brezillon 2023-08-09  123  }
0397be1efb94b5 Boris Brezillon 2023-08-09  124  

:::::: The code at line 120 was first introduced by commit
:::::: 0397be1efb94b59f907d905466bcef6aad6508d9 drm/panthor: Add the device logical block

:::::: TO: Boris Brezillon <boris.brezillon@collabora.com>
:::::: CC: Heiko Stuebner <heiko@sntech.de>

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https://github.com/intel/lkp-tests/wiki