Re: [RFC PATCH 2/2] drm/msm/dp: enable pm_runtime support for dp driver

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

Hi Sankeerth,

[FYI, it's a private test report for your RFC patch.]
[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-intel/for-linux-next drm-tip/drm-tip linus/master next-20230223]
[cannot apply to drm-misc/drm-misc-next drm-exynos/exynos-drm-next drm-intel/for-linux-next-fixes v6.2]
[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/Sankeerth-Billakanti/drm-msm-dp-enumerate-edp-panel-during-driver-probe/20230223-215810
base:   git://anongit.freedesktop.org/drm/drm drm-next
patch link:    https://lore.kernel.org/r/20230223135635.30659-3-quic_sbillaka%40quicinc.com
patch subject: [RFC PATCH 2/2] drm/msm/dp: enable pm_runtime support for dp driver
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230224/202302240000.LsLyruJR-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 12.1.0
reproduce (this is a W=1 build):
        wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross
        chmod +x ~/bin/make.cross
        # https://github.com/intel-lab-lkp/linux/commit/5351853e6b90c88348c59c9ffc02122ac2e491f8
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Sankeerth-Billakanti/drm-msm-dp-enumerate-edp-panel-during-driver-probe/20230223-215810
        git checkout 5351853e6b90c88348c59c9ffc02122ac2e491f8
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc olddefconfig
        COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-12.1.0 make.cross W=1 O=build_dir ARCH=sparc SHELL=/bin/bash drivers/gpu/

If you fix the issue, kindly add following tag where applicable
| Reported-by: kernel test robot <lkp@intel.com>
| Link: https://lore.kernel.org/oe-kbuild-all/202302240000.LsLyruJR-lkp@intel.com/

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/msm/dp/dp_power.c: In function 'dp_power_client_deinit':
>> drivers/gpu/drm/msm/dp/dp_power.c:184:34: warning: variable 'power' set but not used [-Wunused-but-set-variable]
     184 |         struct dp_power_private *power;
         |                                  ^~~~~
   drivers/gpu/drm/msm/dp/dp_power.c: In function 'dp_power_init':
   drivers/gpu/drm/msm/dp/dp_power.c:198:34: warning: variable 'power' set but not used [-Wunused-but-set-variable]
     198 |         struct dp_power_private *power = NULL;
         |                                  ^~~~~
   drivers/gpu/drm/msm/dp/dp_power.c: In function 'dp_power_deinit':
   drivers/gpu/drm/msm/dp/dp_power.c:221:34: warning: variable 'power' set but not used [-Wunused-but-set-variable]
     221 |         struct dp_power_private *power;
         |                                  ^~~~~


vim +/power +184 drivers/gpu/drm/msm/dp/dp_power.c

c943b4948b5848 Chandan Uddaraju 2020-08-27  181  
c943b4948b5848 Chandan Uddaraju 2020-08-27  182  void dp_power_client_deinit(struct dp_power *dp_power)
c943b4948b5848 Chandan Uddaraju 2020-08-27  183  {
c943b4948b5848 Chandan Uddaraju 2020-08-27 @184  	struct dp_power_private *power;
c943b4948b5848 Chandan Uddaraju 2020-08-27  185  
c943b4948b5848 Chandan Uddaraju 2020-08-27  186  	if (!dp_power) {
c943b4948b5848 Chandan Uddaraju 2020-08-27  187  		DRM_ERROR("invalid power data\n");
c943b4948b5848 Chandan Uddaraju 2020-08-27  188  		return;
c943b4948b5848 Chandan Uddaraju 2020-08-27  189  	}
c943b4948b5848 Chandan Uddaraju 2020-08-27  190  
c943b4948b5848 Chandan Uddaraju 2020-08-27  191  	power = container_of(dp_power, struct dp_power_private, dp_power);
c943b4948b5848 Chandan Uddaraju 2020-08-27  192  

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