Re: [PATCH v2] media: i2c: imx219: implement v4l2 selection api

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Hi Vinay,

kernel test robot noticed the following build warnings:

[auto build test WARNING on media-tree/master]
[also build test WARNING on linuxtv-media-stage/master next-20240110]
[cannot apply to sailus-media-tree/streams linus/master v6.7]
[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/Vinay-Varma/media-i2c-imx219-implement-v4l2-selection-api/20240109-115310
base:   git://linuxtv.org/media_tree.git master
patch link:    https://lore.kernel.org/r/20240109035045.552097-1-varmavinaym%40gmail.com
patch subject: [PATCH v2] media: i2c: imx219: implement v4l2 selection api
config: x86_64-allmodconfig (https://download.01.org/0day-ci/archive/20240111/202401110518.L0kScfAo-lkp@xxxxxxxxx/config)
compiler: ClangBuiltLinux clang version 17.0.6 (https://github.com/llvm/llvm-project 6009708b4367171ccdbf4b5905cb6a803753fe18)
reproduce (this is a W=1 build): (https://download.01.org/0day-ci/archive/20240111/202401110518.L0kScfAo-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/202401110518.L0kScfAo-lkp@xxxxxxxxx/

All warnings (new ones prefixed by >>):

>> drivers/media/i2c/imx219.c:950:29: warning: variable 'fmt' set but not used [-Wunused-but-set-variable]
     950 |         struct v4l2_mbus_framefmt *fmt;
         |                                    ^
   1 warning generated.


vim +/fmt +950 drivers/media/i2c/imx219.c

   937	
   938	#define IMX219_ROUND(dim, step, flags)                \
   939		((flags) & V4L2_SEL_FLAG_GE ?                 \
   940			 round_up((dim), (step)) :            \
   941			 ((flags) & V4L2_SEL_FLAG_LE ?        \
   942				  round_down((dim), (step)) : \
   943				  round_down((dim) + (step) / 2, (step))))
   944	
   945	static bool imx219_set_selection_crop(struct v4l2_subdev *sd,
   946					      struct v4l2_subdev_state *sd_state,
   947					      struct v4l2_subdev_selection *sel)
   948	{
   949		struct v4l2_rect *compose, *crop;
 > 950		struct v4l2_mbus_framefmt *fmt;
   951		u32 max_binning;
   952	
   953		crop = v4l2_subdev_state_get_crop(sd_state, 0);
   954		if (v4l2_rect_equal(&sel->r, crop))
   955			return false;
   956		max_binning = binning_ratios[ARRAY_SIZE(binning_ratios) - 1];
   957		sel->r.width =
   958			clamp(IMX219_ROUND(sel->r.width, max_binning, sel->flags),
   959			      max_binning * IMX219_MIN_COMPOSE_SIZE,
   960			      IMX219_PIXEL_ARRAY_WIDTH);
   961		sel->r.height =
   962			clamp(IMX219_ROUND(sel->r.width, max_binning, sel->flags),
   963			      max_binning * IMX219_MIN_COMPOSE_SIZE,
   964			      IMX219_PIXEL_ARRAY_WIDTH);
   965		sel->r.left =
   966			min_t(u32, sel->r.left, IMX219_PIXEL_ARRAY_LEFT - sel->r.width);
   967		sel->r.top =
   968			min_t(u32, sel->r.top, IMX219_PIXEL_ARRAY_TOP - sel->r.top);
   969	
   970		compose = v4l2_subdev_state_get_compose(sd_state, 0);
   971		fmt = v4l2_subdev_state_get_format(sd_state, 0);
   972		*crop = sel->r;
   973		compose->height = crop->height;
   974		compose->width = crop->width;
   975		return true;
   976	}
   977	

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




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