[esmil:jh7110 38/41] drivers/gpu/drm/verisilicon/vs_dc.c:794:9: warning: variable 'ret' set but not used

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

tree:   https://github.com/esmil/linux jh7110
head:   78d944d20650c3fd11da3a45a55c47922c2b69b7
commit: 0f74e00252e01778747e8f8aafe43a09ff246b82 [38/41] drm/vs: Add KMS crtc&plane
config: x86_64-allyesconfig (https://download.01.org/0day-ci/archive/20231205/202312052047.4wHjgrw7-lkp@intel.com/config)
compiler: clang version 16.0.4 (https://github.com/llvm/llvm-project.git ae42196bc493ffe877a7e3dff8be32035dea4d07)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20231205/202312052047.4wHjgrw7-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/202312052047.4wHjgrw7-lkp@intel.com/

All warnings (new ones prefixed by >>):

>> drivers/gpu/drm/verisilicon/vs_dc.c:794:9: warning: variable 'ret' set but not used [-Wunused-but-set-variable]
           u32 i, ret;
                  ^
   1 warning generated.
--
>> drivers/gpu/drm/verisilicon/vs_crtc.c:217:40: warning: unused variable 'vs_sync_mode_enum_list' [-Wunused-const-variable]
   static const struct drm_prop_enum_list vs_sync_mode_enum_list[] = {
                                          ^
   1 warning generated.


vim +/ret +794 drivers/gpu/drm/verisilicon/vs_dc.c

   789	
   790	static irqreturn_t dc_isr(int irq, void *data)
   791	{
   792		struct vs_dc *dc = data;
   793		struct vs_dc_info *dc_info = dc->hw.info;
 > 794		u32 i, ret;
   795	
   796		ret = dc_hw_get_interrupt(&dc->hw);
   797	
   798		for (i = 0; i < dc_info->panel_num; i++)
   799			vs_crtc_handle_vblank(&dc->crtc[i]->base, dc_hw_check_underflow(&dc->hw));
   800	
   801		return IRQ_HANDLED;
   802	}
   803	

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