Re: [PATCH 05/10] drm: selftest: convert drm_format selftest to KUnit

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Hi "Maíra,

Thank you for the patch! Perhaps something to improve:

[auto build test WARNING on drm/drm-next]
[also build test WARNING on linus/master v5.19-rc2 next-20220615]
[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]

url:    https://github.com/intel-lab-lkp/linux/commits/Ma-ra-Canal/drm-selftest-Convert-to-KUnit/20220615-220404
base:   git://anongit.freedesktop.org/drm/drm drm-next
config: i386-allyesconfig (https://download.01.org/0day-ci/archive/20220616/202206160150.au7H8kxK-lkp@xxxxxxxxx/config)
compiler: gcc-11 (Debian 11.3.0-3) 11.3.0
reproduce (this is a W=1 build):
        # https://github.com/intel-lab-lkp/linux/commit/ab0435b88de6bc132f814d07fce5bf1f964da00c
        git remote add linux-review https://github.com/intel-lab-lkp/linux
        git fetch --no-tags linux-review Ma-ra-Canal/drm-selftest-Convert-to-KUnit/20220615-220404
        git checkout ab0435b88de6bc132f814d07fce5bf1f964da00c
        # save the config file
        mkdir build_dir && cp config build_dir/.config
        make W=1 O=build_dir ARCH=i386 SHELL=/bin/bash drivers/gpu/drm/tests/

If you fix the issue, kindly add following tag where applicable
Reported-by: kernel test robot <lkp@xxxxxxxxx>

All warnings (new ones prefixed by >>):

   drivers/gpu/drm/tests/test-drm_format.c: In function 'igt_check_drm_format_min_pitch':
>> drivers/gpu/drm/tests/test-drm_format.c:268:1: warning: the frame size of 2572 bytes is larger than 2048 bytes [-Wframe-larger-than=]
     268 | }
         | ^


vim +268 drivers/gpu/drm/tests/test-drm_format.c

    90	
    91	static void igt_check_drm_format_min_pitch(struct kunit *test)
    92	{
    93		const struct drm_format_info *info = NULL;
    94	
    95		/* Test invalid arguments */
    96		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
    97		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
    98		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
    99	
   100		/* Test 1 plane 8 bits per pixel format */
   101		info = drm_format_info(DRM_FORMAT_RGB332);
   102		KUNIT_EXPECT_TRUE(test, info);
   103		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
   104		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
   105		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
   106	
   107		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
   108		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
   109		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
   110		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
   111		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
   112		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
   113		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
   114		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
   115				(uint64_t)UINT_MAX);
   116		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
   117				(uint64_t)(UINT_MAX - 1));
   118	
   119		/* Test 1 plane 16 bits per pixel format */
   120		info = drm_format_info(DRM_FORMAT_XRGB4444);
   121		KUNIT_EXPECT_TRUE(test, info);
   122		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
   123		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
   124		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
   125	
   126		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2);
   127		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4);
   128		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280);
   129		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048);
   130		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840);
   131		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192);
   132		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342);
   133		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
   134				(uint64_t)UINT_MAX * 2);
   135		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
   136				(uint64_t)(UINT_MAX - 1) * 2);
   137	
   138		/* Test 1 plane 24 bits per pixel format */
   139		info = drm_format_info(DRM_FORMAT_RGB888);
   140		KUNIT_EXPECT_TRUE(test, info);
   141		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
   142		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
   143		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
   144	
   145		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 3);
   146		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 6);
   147		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1920);
   148		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 3072);
   149		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 5760);
   150		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 12288);
   151		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2013);
   152		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
   153				(uint64_t)UINT_MAX * 3);
   154		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
   155				(uint64_t)(UINT_MAX - 1) * 3);
   156	
   157		/* Test 1 plane 32 bits per pixel format */
   158		info = drm_format_info(DRM_FORMAT_ABGR8888);
   159		KUNIT_EXPECT_TRUE(test, info);
   160		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
   161		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
   162		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
   163	
   164		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 4);
   165		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 8);
   166		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 2560);
   167		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 4096);
   168		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 7680);
   169		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 16384);
   170		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2684);
   171		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
   172				(uint64_t)UINT_MAX * 4);
   173		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
   174				(uint64_t)(UINT_MAX - 1) * 4);
   175	
   176		/* Test 2 planes format */
   177		info = drm_format_info(DRM_FORMAT_NV12);
   178		KUNIT_EXPECT_TRUE(test, info);
   179		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
   180		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
   181		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
   182		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 2, 0));
   183	
   184		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
   185		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2);
   186		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
   187		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2);
   188		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
   189		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 640);
   190		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
   191		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 1024);
   192		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
   193		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 1920);
   194		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
   195		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 4096);
   196		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
   197		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 672);
   198		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
   199				(uint64_t)UINT_MAX);
   200		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1),
   201				(uint64_t)UINT_MAX + 1);
   202		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)),
   203				(uint64_t)(UINT_MAX - 1));
   204		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) /  2),
   205				(uint64_t)(UINT_MAX - 1));
   206	
   207		/* Test 3 planes 8 bits per pixel format */
   208		info = drm_format_info(DRM_FORMAT_YUV422);
   209		KUNIT_EXPECT_TRUE(test, info);
   210		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
   211		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
   212		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 2, 0));
   213		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
   214		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 3, 0));
   215	
   216		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1);
   217		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 1);
   218		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 1), 1);
   219		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2);
   220		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2), 2);
   221		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2), 2);
   222		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640);
   223		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 320);
   224		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 320), 320);
   225		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024);
   226		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 512);
   227		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 512), 512);
   228		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920);
   229		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 960);
   230		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 960), 960);
   231		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096);
   232		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 2048);
   233		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2048), 2048);
   234		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671);
   235		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 336);
   236		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 336), 336);
   237		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
   238				(uint64_t)UINT_MAX);
   239		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1),
   240				(uint64_t)UINT_MAX / 2 + 1);
   241		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, UINT_MAX / 2 + 1),
   242				(uint64_t)UINT_MAX / 2 + 1);
   243		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1) / 2),
   244				(uint64_t)(UINT_MAX - 1) / 2);
   245		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2),
   246				(uint64_t)(UINT_MAX - 1) / 2);
   247		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, (UINT_MAX - 1) / 2),
   248				(uint64_t)(UINT_MAX - 1) / 2);
   249	
   250		/* Test tiled format */
   251		info = drm_format_info(DRM_FORMAT_X0L2);
   252		KUNIT_EXPECT_TRUE(test, info);
   253		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0));
   254		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0));
   255		KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0));
   256	
   257		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2);
   258		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4);
   259		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280);
   260		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048);
   261		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840);
   262		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192);
   263		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342);
   264		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX),
   265				(uint64_t)UINT_MAX * 2);
   266		KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1),
   267				(uint64_t)(UINT_MAX - 1) * 2);
 > 268	}
   269	

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