Hi "Maíra, Thank you for the patch! Perhaps something to improve: [auto build test WARNING on drm-misc/drm-misc-next] [also build test WARNING on drm/drm-next drm-tip/drm-tip next-20220704] [cannot apply to drm-intel/for-linux-next linus/master v5.19-rc5] [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/20220702-211445 base: git://anongit.freedesktop.org/drm/drm-misc drm-misc-next config: csky-randconfig-s031-20220703 (https://download.01.org/0day-ci/archive/20220705/202207050658.cIRAae6i-lkp@xxxxxxxxx/config) compiler: csky-linux-gcc (GCC) 11.3.0 reproduce: wget https://raw.githubusercontent.com/intel/lkp-tests/master/sbin/make.cross -O ~/bin/make.cross chmod +x ~/bin/make.cross # apt-get install sparse # sparse version: v0.6.4-39-gce1a6720-dirty # https://github.com/intel-lab-lkp/linux/commit/a5699b8df7e7e995c42cf6ab89badac0e2156b85 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/20220702-211445 git checkout a5699b8df7e7e995c42cf6ab89badac0e2156b85 # save the config file mkdir build_dir && cp config build_dir/.config COMPILER_INSTALL_PATH=$HOME/0day COMPILER=gcc-11.3.0 make.cross C=1 CF='-fdiagnostic-prefix -D__CHECK_ENDIAN__' O=build_dir ARCH=csky 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> sparse warnings: (new ones prefixed by >>) >> drivers/gpu/drm/tests/drm_plane_helper_test.c:112:9: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tests/drm_plane_helper_test.c:123:9: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tests/drm_plane_helper_test.c:143:9: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tests/drm_plane_helper_test.c:160:9: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tests/drm_plane_helper_test.c:173:9: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tests/drm_plane_helper_test.c:185:9: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tests/drm_plane_helper_test.c:196:9: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tests/drm_plane_helper_test.c:207:9: sparse: sparse: Using plain integer as NULL pointer drivers/gpu/drm/tests/drm_plane_helper_test.c:219:9: sparse: sparse: Using plain integer as NULL pointer vim +112 drivers/gpu/drm/tests/drm_plane_helper_test.c 76 77 static void igt_check_plane_state(struct kunit *test) 78 { 79 int ret; 80 81 static const struct drm_crtc_state crtc_state = { 82 .crtc = ZERO_SIZE_PTR, 83 .enable = true, 84 .active = true, 85 .mode = { 86 DRM_MODE("1024x768", 0, 65000, 1024, 1048, 87 1184, 1344, 0, 768, 771, 777, 806, 0, 88 DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_NVSYNC) 89 }, 90 }; 91 static struct drm_plane plane = { 92 .dev = NULL 93 }; 94 static struct drm_framebuffer fb = { 95 .width = 2048, 96 .height = 2048 97 }; 98 static struct drm_plane_state plane_state = { 99 .plane = &plane, 100 .crtc = ZERO_SIZE_PTR, 101 .fb = &fb, 102 .rotation = DRM_MODE_ROTATE_0 103 }; 104 105 /* Simple clipping, no scaling. */ 106 set_src(&plane_state, 0, 0, fb.width << 16, fb.height << 16); 107 set_crtc(&plane_state, 0, 0, fb.width, fb.height); 108 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 109 DRM_PLANE_HELPER_NO_SCALING, 110 DRM_PLANE_HELPER_NO_SCALING, 111 false, false); > 112 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Simple clipping check should pass\n"); 113 KUNIT_EXPECT_TRUE(test, plane_state.visible); 114 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 1024 << 16, 768 << 16)); 115 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768)); 116 117 /* Rotated clipping + reflection, no scaling. */ 118 plane_state.rotation = DRM_MODE_ROTATE_90 | DRM_MODE_REFLECT_X; 119 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 120 DRM_PLANE_HELPER_NO_SCALING, 121 DRM_PLANE_HELPER_NO_SCALING, 122 false, false); 123 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Rotated clipping check should pass\n"); 124 KUNIT_EXPECT_TRUE(test, plane_state.visible); 125 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 768 << 16, 1024 << 16)); 126 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768)); 127 plane_state.rotation = DRM_MODE_ROTATE_0; 128 129 /* Check whether positioning works correctly. */ 130 set_src(&plane_state, 0, 0, 1023 << 16, 767 << 16); 131 set_crtc(&plane_state, 0, 0, 1023, 767); 132 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 133 DRM_PLANE_HELPER_NO_SCALING, 134 DRM_PLANE_HELPER_NO_SCALING, 135 false, false); 136 KUNIT_EXPECT_TRUE_MSG(test, ret, 137 "Should not be able to position on the crtc with can_position=false\n"); 138 139 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 140 DRM_PLANE_HELPER_NO_SCALING, 141 DRM_PLANE_HELPER_NO_SCALING, 142 true, false); 143 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Simple positioning should work\n"); 144 KUNIT_EXPECT_TRUE(test, plane_state.visible); 145 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 1023 << 16, 767 << 16)); 146 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1023, 767)); 147 148 /* Simple scaling tests. */ 149 set_src(&plane_state, 0, 0, 512 << 16, 384 << 16); 150 set_crtc(&plane_state, 0, 0, 1024, 768); 151 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 152 0x8001, 153 DRM_PLANE_HELPER_NO_SCALING, 154 false, false); 155 KUNIT_EXPECT_TRUE_MSG(test, ret, "Upscaling out of range should fail.\n"); 156 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 157 0x8000, 158 DRM_PLANE_HELPER_NO_SCALING, 159 false, false); 160 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Upscaling exactly 2x should work\n"); 161 KUNIT_EXPECT_TRUE(test, plane_state.visible); 162 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 512 << 16, 384 << 16)); 163 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768)); 164 165 set_src(&plane_state, 0, 0, 2048 << 16, 1536 << 16); 166 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 167 DRM_PLANE_HELPER_NO_SCALING, 168 0x1ffff, false, false); 169 KUNIT_EXPECT_TRUE_MSG(test, ret, "Downscaling out of range should fail.\n"); 170 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 171 DRM_PLANE_HELPER_NO_SCALING, 172 0x20000, false, false); 173 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed with exact scaling limit\n"); 174 KUNIT_EXPECT_TRUE(test, plane_state.visible); 175 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2048 << 16, 1536 << 16)); 176 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768)); 177 178 /* Testing rounding errors. */ 179 set_src(&plane_state, 0, 0, 0x40001, 0x40001); 180 set_crtc(&plane_state, 1022, 766, 4, 4); 181 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 182 DRM_PLANE_HELPER_NO_SCALING, 183 0x10001, 184 true, false); 185 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple"); 186 KUNIT_EXPECT_TRUE(test, plane_state.visible); 187 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2 << 16, 2 << 16)); 188 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 1022, 766, 2, 2)); 189 190 set_src(&plane_state, 0x20001, 0x20001, 0x4040001, 0x3040001); 191 set_crtc(&plane_state, -2, -2, 1028, 772); 192 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 193 DRM_PLANE_HELPER_NO_SCALING, 194 0x10001, 195 false, false); 196 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple"); 197 KUNIT_EXPECT_TRUE(test, plane_state.visible); 198 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0x40002, 0x40002, 1024 << 16, 768 << 16)); 199 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768)); 200 201 set_src(&plane_state, 0, 0, 0x3ffff, 0x3ffff); 202 set_crtc(&plane_state, 1022, 766, 4, 4); 203 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 204 0xffff, 205 DRM_PLANE_HELPER_NO_SCALING, 206 true, false); 207 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple"); 208 KUNIT_EXPECT_TRUE(test, plane_state.visible); 209 /* Should not be rounded to 0x20001, which would be upscaling. */ 210 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0, 0, 2 << 16, 2 << 16)); 211 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 1022, 766, 2, 2)); 212 213 set_src(&plane_state, 0x1ffff, 0x1ffff, 0x403ffff, 0x303ffff); 214 set_crtc(&plane_state, -2, -2, 1028, 772); 215 ret = drm_atomic_helper_check_plane_state(&plane_state, &crtc_state, 216 0xffff, 217 DRM_PLANE_HELPER_NO_SCALING, 218 false, false); 219 KUNIT_EXPECT_FALSE_MSG(test, ret, 0, "Should succeed by clipping to exact multiple"); 220 KUNIT_EXPECT_TRUE(test, plane_state.visible); 221 KUNIT_EXPECT_TRUE(test, check_src_eq(&plane_state, 0x3fffe, 0x3fffe, 222 1024 << 16, 768 << 16)); 223 KUNIT_EXPECT_TRUE(test, check_crtc_eq(&plane_state, 0, 0, 1024, 768)); 224 } 225 -- 0-DAY CI Kernel Test Service https://01.org/lkp
