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Date:   Sat, 16 Sep 2023 13:25:23 +0800
From:   kernel test robot <lkp@intel.com>
To:     Kuogee Hsieh <quic_khsieh@quicinc.com>,
        dri-devel@lists.freedesktop.org, robdclark@gmail.com,
        sean@poorly.run, swboyd@chromium.org, dianders@chromium.org,
        vkoul@kernel.org, daniel@ffwll.ch, airlied@gmail.com,
        agross@kernel.org, dmitry.baryshkov@linaro.org,
        andersson@kernel.org
Cc:     oe-kbuild-all@lists.linux.dev, quic_sbillaka@quicinc.com,
        linux-arm-msm@vger.kernel.org, quic_abhinavk@quicinc.com,
        Kuogee Hsieh <quic_khsieh@quicinc.com>,
        marijn.suijten@somainline.org, quic_jesszhan@quicinc.com,
        freedreno@lists.freedesktop.org, linux-kernel@vger.kernel.org
Subject: Re: [PATCH v3 4/7] drm/msm/dp: incorporate pm_runtime framework into
 DP driver
Message-ID: <202309161321.UeiYRcIs-lkp@intel.com>
References: <1694813901-26952-5-git-send-email-quic_khsieh@quicinc.com>
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In-Reply-To: <1694813901-26952-5-git-send-email-quic_khsieh@quicinc.com>
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Hi Kuogee,

kernel test robot noticed the following build warnings:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on drm-exynos/exynos-drm-next drm-intel/for-linux-next drm-intel/for-linux-next-fixes linus/master v6.6-rc1]
[cannot apply to drm-misc/drm-misc-next drm-tip/drm-tip next-20230915]
[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/Kuogee-Hsieh/drm-msm-dp-tie-dp_display_irq_handler-with-dp-driver/20230916-054014
base:   git://anongit.freedesktop.org/drm/drm drm-next
patch link:    https://lore.kernel.org/r/1694813901-26952-5-git-send-email-quic_khsieh%40quicinc.com
patch subject: [PATCH v3 4/7] drm/msm/dp: incorporate pm_runtime framework into DP driver
config: sparc-allyesconfig (https://download.01.org/0day-ci/archive/20230916/202309161321.UeiYRcIs-lkp@intel.com/config)
compiler: sparc64-linux-gcc (GCC) 13.2.0
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20230916/202309161321.UeiYRcIs-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/202309161321.UeiYRcIs-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:160:34: warning: variable 'power' set but not used [-Wunused-but-set-variable]
     160 |         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:168:34: warning: variable 'power' set but not used [-Wunused-but-set-variable]
     168 |         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:179:34: warning: variable 'power' set but not used [-Wunused-but-set-variable]
     179 |         struct dp_power_private *power;
         |                                  ^~~~~


vim +/power +160 drivers/gpu/drm/msm/dp/dp_power.c

c943b4948b5848 Chandan Uddaraju 2020-08-27  157  
c943b4948b5848 Chandan Uddaraju 2020-08-27  158  void dp_power_client_deinit(struct dp_power *dp_power)
c943b4948b5848 Chandan Uddaraju 2020-08-27  159  {
c943b4948b5848 Chandan Uddaraju 2020-08-27 @160  	struct dp_power_private *power;
c943b4948b5848 Chandan Uddaraju 2020-08-27  161  
c943b4948b5848 Chandan Uddaraju 2020-08-27  162  	power = container_of(dp_power, struct dp_power_private, dp_power);
c943b4948b5848 Chandan Uddaraju 2020-08-27  163  }
c943b4948b5848 Chandan Uddaraju 2020-08-27  164  

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