Re: [PATCH] drm/simpledrm: Add support for multiple "power-domains"

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Hi Janne,

kernel test robot noticed the following build warnings:

[auto build test WARNING on 15d30b46573d75f5cb58cfacded8ebab9c76a2b0]

url:    https://github.com/intel-lab-lkp/linux/commits/Janne-Grunau-via-B4-Relay/drm-simpledrm-Add-support-for-multiple-power-domains/20230911-004026
base:   15d30b46573d75f5cb58cfacded8ebab9c76a2b0
patch link:    https://lore.kernel.org/r/20230910-simpledrm-multiple-power-domains-v1-1-f8718aefc685%40jannau.net
patch subject: [PATCH] drm/simpledrm: Add support for multiple "power-domains"
config: loongarch-allyesconfig (https://download.01.org/0day-ci/archive/20230911/202309110206.wDXP9YXl-lkp@xxxxxxxxx/config)
compiler: loongarch64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230911/202309110206.wDXP9YXl-lkp@xxxxxxxxx/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@xxxxxxxxx>
| Closes: https://lore.kernel.org/oe-kbuild-all/202309110206.wDXP9YXl-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

   In file included from include/linux/device.h:15,
                    from include/linux/acpi.h:14,
                    from include/linux/i2c.h:13,
                    from include/uapi/linux/fb.h:6,
                    from include/linux/fb.h:7,
                    from include/linux/platform_data/simplefb.h:12,
                    from drivers/gpu/drm/tiny/simpledrm.c:7:
   drivers/gpu/drm/tiny/simpledrm.c: In function 'simpledrm_device_detach_genpd':
>> include/drm/drm_print.h:456:39: warning: ' ' flag used with '%p' gnu_printf format [-Wformat=]
     456 |         dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__)
         |                                       ^~~~~~~~
   include/linux/dev_printk.h:110:30: note: in definition of macro 'dev_printk_index_wrap'
     110 |                 _p_func(dev, fmt, ##__VA_ARGS__);                       \
         |                              ^~~
   include/linux/dev_printk.h:144:56: note: in expansion of macro 'dev_fmt'
     144 |         dev_printk_index_wrap(_dev_err, KERN_ERR, dev, dev_fmt(fmt), ##__VA_ARGS__)
         |                                                        ^~~~~~~
   include/drm/drm_print.h:456:9: note: in expansion of macro 'dev_err'
     456 |         dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__)
         |         ^~~~
   include/drm/drm_print.h:469:9: note: in expansion of macro '__drm_printk'
     469 |         __drm_printk((drm), err,, "*ERROR* " fmt, ##__VA_ARGS__)
         |         ^~~~~~~~~~~~
   drivers/gpu/drm/tiny/simpledrm.c:506:9: note: in expansion of macro 'drm_err'
     506 |         drm_err(&sdev->dev, "% power-domains count:%d\n", __func__, sdev->pwr_dom_count);
         |         ^~~~~~~


vim +456 include/drm/drm_print.h

e820f52577b14c6 Jim Cromie            2022-09-11  416  
02c9656b2f0d699 Haneen Mohammed       2017-10-17  417  /**
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  418   * DRM_DEV_DEBUG() - Debug output for generic drm code
02c9656b2f0d699 Haneen Mohammed       2017-10-17  419   *
306589856399e18 Douglas Anderson      2021-09-21  420   * NOTE: this is deprecated in favor of drm_dbg_core().
306589856399e18 Douglas Anderson      2021-09-21  421   *
091756bbb1a9613 Haneen Mohammed       2017-10-17  422   * @dev: device pointer
091756bbb1a9613 Haneen Mohammed       2017-10-17  423   * @fmt: printf() like format string.
02c9656b2f0d699 Haneen Mohammed       2017-10-17  424   */
db87086492581c8 Joe Perches           2018-03-16  425  #define DRM_DEV_DEBUG(dev, fmt, ...)					\
db87086492581c8 Joe Perches           2018-03-16  426  	drm_dev_dbg(dev, DRM_UT_CORE, fmt, ##__VA_ARGS__)
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  427  /**
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  428   * DRM_DEV_DEBUG_DRIVER() - Debug output for vendor specific part of the driver
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  429   *
306589856399e18 Douglas Anderson      2021-09-21  430   * NOTE: this is deprecated in favor of drm_dbg() or dev_dbg().
306589856399e18 Douglas Anderson      2021-09-21  431   *
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  432   * @dev: device pointer
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  433   * @fmt: printf() like format string.
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  434   */
db87086492581c8 Joe Perches           2018-03-16  435  #define DRM_DEV_DEBUG_DRIVER(dev, fmt, ...)				\
db87086492581c8 Joe Perches           2018-03-16  436  	drm_dev_dbg(dev, DRM_UT_DRIVER,	fmt, ##__VA_ARGS__)
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  437  /**
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  438   * DRM_DEV_DEBUG_KMS() - Debug output for modesetting code
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  439   *
306589856399e18 Douglas Anderson      2021-09-21  440   * NOTE: this is deprecated in favor of drm_dbg_kms().
306589856399e18 Douglas Anderson      2021-09-21  441   *
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  442   * @dev: device pointer
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  443   * @fmt: printf() like format string.
b52817e9de06a3a Mauro Carvalho Chehab 2020-10-27  444   */
db87086492581c8 Joe Perches           2018-03-16  445  #define DRM_DEV_DEBUG_KMS(dev, fmt, ...)				\
db87086492581c8 Joe Perches           2018-03-16  446  	drm_dev_dbg(dev, DRM_UT_KMS, fmt, ##__VA_ARGS__)
a18b21929453af7 Lyude Paul            2018-07-16  447  
fb6c7ab8718eb25 Jani Nikula           2019-12-10  448  /*
fb6c7ab8718eb25 Jani Nikula           2019-12-10  449   * struct drm_device based logging
fb6c7ab8718eb25 Jani Nikula           2019-12-10  450   *
fb6c7ab8718eb25 Jani Nikula           2019-12-10  451   * Prefer drm_device based logging over device or prink based logging.
fb6c7ab8718eb25 Jani Nikula           2019-12-10  452   */
fb6c7ab8718eb25 Jani Nikula           2019-12-10  453  
fb6c7ab8718eb25 Jani Nikula           2019-12-10  454  /* Helper for struct drm_device based logging. */
fb6c7ab8718eb25 Jani Nikula           2019-12-10  455  #define __drm_printk(drm, level, type, fmt, ...)			\
fb6c7ab8718eb25 Jani Nikula           2019-12-10 @456  	dev_##level##type((drm)->dev, "[drm] " fmt, ##__VA_ARGS__)
fb6c7ab8718eb25 Jani Nikula           2019-12-10  457  
fb6c7ab8718eb25 Jani Nikula           2019-12-10  458  

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



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