1 // SPDX-License-Identifier: GPL-2.0 2 /* 3 * Test cases for the drm_format functions 4 * 5 * Copyright (c) 2022 Maíra Canal <mairacanal@riseup.net> 6 */ 7 8 #include <kunit/test.h> 9 10 #include <drm/drm_fourcc.h> 11 12 static void drm_test_format_block_width_invalid(struct kunit *test) 13 { 14 const struct drm_format_info *info = NULL; 15 16 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 0); 17 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0); 18 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 0); 19 } 20 21 static void drm_test_format_block_width_one_plane(struct kunit *test) 22 { 23 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_XRGB4444); 24 25 KUNIT_ASSERT_NOT_NULL(test, info); 26 27 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 1); 28 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 0); 29 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0); 30 } 31 32 static void drm_test_format_block_width_two_plane(struct kunit *test) 33 { 34 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_NV12); 35 36 KUNIT_ASSERT_NOT_NULL(test, info); 37 38 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 1); 39 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 1); 40 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 2), 0); 41 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0); 42 } 43 44 static void drm_test_format_block_width_three_plane(struct kunit *test) 45 { 46 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_YUV422); 47 48 KUNIT_ASSERT_NOT_NULL(test, info); 49 50 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 1); 51 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 1); 52 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 2), 1); 53 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 3), 0); 54 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0); 55 } 56 57 static void drm_test_format_block_width_tiled(struct kunit *test) 58 { 59 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_X0L0); 60 61 KUNIT_ASSERT_NOT_NULL(test, info); 62 63 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 2); 64 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 1), 0); 65 KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, -1), 0); 66 } 67 68 static void drm_test_format_block_height_invalid(struct kunit *test) 69 { 70 const struct drm_format_info *info = NULL; 71 72 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 0); 73 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0); 74 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 0); 75 } 76 77 static void drm_test_format_block_height_one_plane(struct kunit *test) 78 { 79 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_XRGB4444); 80 81 KUNIT_ASSERT_NOT_NULL(test, info); 82 83 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 1); 84 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0); 85 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 0); 86 } 87 88 static void drm_test_format_block_height_two_plane(struct kunit *test) 89 { 90 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_NV12); 91 92 KUNIT_ASSERT_NOT_NULL(test, info); 93 94 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 1); 95 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 1); 96 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 2), 0); 97 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0); 98 } 99 100 static void drm_test_format_block_height_three_plane(struct kunit *test) 101 { 102 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_YUV422); 103 104 KUNIT_ASSERT_NOT_NULL(test, info); 105 106 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 1); 107 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 1); 108 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 2), 1); 109 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 3), 0); 110 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0); 111 } 112 113 static void drm_test_format_block_height_tiled(struct kunit *test) 114 { 115 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_X0L0); 116 117 KUNIT_ASSERT_NOT_NULL(test, info); 118 119 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 2); 120 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 1), 0); 121 KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, -1), 0); 122 } 123 124 static void drm_test_format_min_pitch_invalid(struct kunit *test) 125 { 126 const struct drm_format_info *info = NULL; 127 128 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0); 129 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0); 130 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0); 131 } 132 133 static void drm_test_format_min_pitch_one_plane_8bpp(struct kunit *test) 134 { 135 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_RGB332); 136 137 KUNIT_ASSERT_NOT_NULL(test, info); 138 139 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0); 140 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0); 141 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0); 142 143 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1); 144 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2); 145 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640); 146 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024); 147 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920); 148 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096); 149 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671); 150 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), 151 (uint64_t)UINT_MAX); 152 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)), 153 (uint64_t)(UINT_MAX - 1)); 154 } 155 156 static void drm_test_format_min_pitch_one_plane_16bpp(struct kunit *test) 157 { 158 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_XRGB4444); 159 160 KUNIT_ASSERT_NOT_NULL(test, info); 161 162 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0); 163 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0); 164 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0); 165 166 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2); 167 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4); 168 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280); 169 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048); 170 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840); 171 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192); 172 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342); 173 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), 174 (uint64_t)UINT_MAX * 2); 175 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)), 176 (uint64_t)(UINT_MAX - 1) * 2); 177 } 178 179 static void drm_test_format_min_pitch_one_plane_24bpp(struct kunit *test) 180 { 181 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_RGB888); 182 183 KUNIT_ASSERT_NOT_NULL(test, info); 184 185 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0); 186 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0); 187 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0); 188 189 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 3); 190 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 6); 191 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1920); 192 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 3072); 193 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 5760); 194 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 12288); 195 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2013); 196 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), 197 (uint64_t)UINT_MAX * 3); 198 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1), 199 (uint64_t)(UINT_MAX - 1) * 3); 200 } 201 202 static void drm_test_format_min_pitch_one_plane_32bpp(struct kunit *test) 203 { 204 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_ABGR8888); 205 206 KUNIT_ASSERT_NOT_NULL(test, info); 207 208 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0); 209 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0); 210 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0); 211 212 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 4); 213 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 8); 214 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 2560); 215 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 4096); 216 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 7680); 217 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 16384); 218 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2684); 219 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), 220 (uint64_t)UINT_MAX * 4); 221 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1), 222 (uint64_t)(UINT_MAX - 1) * 4); 223 } 224 225 static void drm_test_format_min_pitch_two_plane(struct kunit *test) 226 { 227 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_NV12); 228 229 KUNIT_ASSERT_NOT_NULL(test, info); 230 231 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0); 232 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0); 233 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0); 234 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 0), 0); 235 236 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1); 237 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2); 238 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2); 239 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2); 240 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640); 241 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 640); 242 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024); 243 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 1024); 244 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920); 245 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 1920); 246 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096); 247 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 4096); 248 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671); 249 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 672); 250 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), 251 (uint64_t)UINT_MAX); 252 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1), 253 (uint64_t)UINT_MAX + 1); 254 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)), 255 (uint64_t)(UINT_MAX - 1)); 256 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2), 257 (uint64_t)(UINT_MAX - 1)); 258 } 259 260 static void drm_test_format_min_pitch_three_plane_8bpp(struct kunit *test) 261 { 262 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_YUV422); 263 264 KUNIT_ASSERT_NOT_NULL(test, info); 265 266 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0); 267 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0); 268 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 0), 0); 269 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0); 270 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 3, 0), 0); 271 272 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1); 273 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 1); 274 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 1), 1); 275 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2); 276 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2), 2); 277 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2), 2); 278 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640); 279 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 320); 280 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 320), 320); 281 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024); 282 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 512); 283 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 512), 512); 284 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920); 285 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 960); 286 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 960), 960); 287 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096); 288 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 2048); 289 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2048), 2048); 290 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671); 291 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 336); 292 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 336), 336); 293 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), 294 (uint64_t)UINT_MAX); 295 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1), 296 (uint64_t)UINT_MAX / 2 + 1); 297 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, UINT_MAX / 2 + 1), 298 (uint64_t)UINT_MAX / 2 + 1); 299 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1) / 2), 300 (uint64_t)(UINT_MAX - 1) / 2); 301 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2), 302 (uint64_t)(UINT_MAX - 1) / 2); 303 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, (UINT_MAX - 1) / 2), 304 (uint64_t)(UINT_MAX - 1) / 2); 305 } 306 307 static void drm_test_format_min_pitch_tiled(struct kunit *test) 308 { 309 const struct drm_format_info *info = drm_format_info(DRM_FORMAT_X0L2); 310 311 KUNIT_ASSERT_NOT_NULL(test, info); 312 313 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 0), 0); 314 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, -1, 0), 0); 315 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 0), 0); 316 317 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2); 318 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4); 319 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280); 320 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048); 321 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840); 322 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192); 323 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342); 324 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), 325 (uint64_t)UINT_MAX * 2); 326 KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1), 327 (uint64_t)(UINT_MAX - 1) * 2); 328 } 329 330 static struct kunit_case drm_format_tests[] = { 331 KUNIT_CASE(drm_test_format_block_width_invalid), 332 KUNIT_CASE(drm_test_format_block_width_one_plane), 333 KUNIT_CASE(drm_test_format_block_width_two_plane), 334 KUNIT_CASE(drm_test_format_block_width_three_plane), 335 KUNIT_CASE(drm_test_format_block_width_tiled), 336 KUNIT_CASE(drm_test_format_block_height_invalid), 337 KUNIT_CASE(drm_test_format_block_height_one_plane), 338 KUNIT_CASE(drm_test_format_block_height_two_plane), 339 KUNIT_CASE(drm_test_format_block_height_three_plane), 340 KUNIT_CASE(drm_test_format_block_height_tiled), 341 KUNIT_CASE(drm_test_format_min_pitch_invalid), 342 KUNIT_CASE(drm_test_format_min_pitch_one_plane_8bpp), 343 KUNIT_CASE(drm_test_format_min_pitch_one_plane_16bpp), 344 KUNIT_CASE(drm_test_format_min_pitch_one_plane_24bpp), 345 KUNIT_CASE(drm_test_format_min_pitch_one_plane_32bpp), 346 KUNIT_CASE(drm_test_format_min_pitch_two_plane), 347 KUNIT_CASE(drm_test_format_min_pitch_three_plane_8bpp), 348 KUNIT_CASE(drm_test_format_min_pitch_tiled), 349 {} 350 }; 351 352 static struct kunit_suite drm_format_test_suite = { 353 .name = "drm_format", 354 .test_cases = drm_format_tests, 355 }; 356 357 kunit_test_suite(drm_format_test_suite); 358 359 MODULE_DESCRIPTION("Test cases for the drm_format functions"); 360 MODULE_LICENSE("GPL"); 361