diff options
Diffstat (limited to 'drivers/gpu/drm/tests/drm_format_test.c')
| -rw-r--r-- | drivers/gpu/drm/tests/drm_format_test.c | 287 |
1 files changed, 287 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tests/drm_format_test.c b/drivers/gpu/drm/tests/drm_format_test.c new file mode 100644 index 000000000000..056cb8599d6d --- /dev/null +++ b/drivers/gpu/drm/tests/drm_format_test.c @@ -0,0 +1,287 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Test cases for the drm_format functions + * + * Copyright (c) 2022 Maíra Canal <mairacanal@riseup.net> + */ + +#include <kunit/test.h> + +#include <drm/drm_fourcc.h> + +static void igt_check_drm_format_block_width(struct kunit *test) +{ + const struct drm_format_info *info = NULL; + + /* Test invalid arguments */ + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 1)); + + /* Test 1 plane format */ + info = drm_format_info(DRM_FORMAT_XRGB4444); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 1)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1)); + + /* Test 2 planes format */ + info = drm_format_info(DRM_FORMAT_NV12); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 0)); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 1)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 2)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1)); + + /* Test 3 planes format */ + info = drm_format_info(DRM_FORMAT_YUV422); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 0)); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 1)); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_width(info, 2)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 3)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1)); + + /* Test a tiled format */ + info = drm_format_info(DRM_FORMAT_X0L0); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_EQ(test, drm_format_info_block_width(info, 0), 2); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, 1)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_width(info, -1)); +} + +static void igt_check_drm_format_block_height(struct kunit *test) +{ + const struct drm_format_info *info = NULL; + + /* Test invalid arguments */ + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 1)); + + /* Test 1 plane format */ + info = drm_format_info(DRM_FORMAT_XRGB4444); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 1)); + + /* Test 2 planes format */ + info = drm_format_info(DRM_FORMAT_NV12); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 0)); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 1)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 2)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1)); + + /* Test 3 planes format */ + info = drm_format_info(DRM_FORMAT_YUV422); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 0)); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 1)); + KUNIT_EXPECT_TRUE(test, drm_format_info_block_height(info, 2)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 3)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1)); + + /* Test a tiled format */ + info = drm_format_info(DRM_FORMAT_X0L0); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_EQ(test, drm_format_info_block_height(info, 0), 2); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, 1)); + KUNIT_EXPECT_FALSE(test, drm_format_info_block_height(info, -1)); +} + +static void igt_check_drm_format_min_pitch(struct kunit *test) +{ + const struct drm_format_info *info = NULL; + + /* Test invalid arguments */ + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0)); + + /* Test 1 plane 8 bits per pixel format */ + info = drm_format_info(DRM_FORMAT_RGB332); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0)); + + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), + (uint64_t)UINT_MAX); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)), + (uint64_t)(UINT_MAX - 1)); + + /* Test 1 plane 16 bits per pixel format */ + info = drm_format_info(DRM_FORMAT_XRGB4444); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0)); + + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), + (uint64_t)UINT_MAX * 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)), + (uint64_t)(UINT_MAX - 1) * 2); + + /* Test 1 plane 24 bits per pixel format */ + info = drm_format_info(DRM_FORMAT_RGB888); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0)); + + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 3); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 6); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1920); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 3072); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 5760); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 12288); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2013); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), + (uint64_t)UINT_MAX * 3); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)), + (uint64_t)(UINT_MAX - 1) * 3); + + /* Test 1 plane 32 bits per pixel format */ + info = drm_format_info(DRM_FORMAT_ABGR8888); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0)); + + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 4); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 8); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 2560); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 4096); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 7680); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 16384); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 2684); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), + (uint64_t)UINT_MAX * 4); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)), + (uint64_t)(UINT_MAX - 1) * 4); + + /* Test 2 planes format */ + info = drm_format_info(DRM_FORMAT_NV12); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 2, 0)); + + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 640); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 1024); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 1920); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 4096); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 672); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), + (uint64_t)UINT_MAX); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1), + (uint64_t)UINT_MAX + 1); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)), + (uint64_t)(UINT_MAX - 1)); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2), + (uint64_t)(UINT_MAX - 1)); + + /* Test 3 planes 8 bits per pixel format */ + info = drm_format_info(DRM_FORMAT_YUV422); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 2, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 3, 0)); + + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 1); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 1), 1); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 1), 1); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 640); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 320), 320); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 320), 320); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 1024); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 512), 512); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 512), 512); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 1920); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 960), 960); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 960), 960); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 4096); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 2048), 2048); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 2048), 2048); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 671); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, 336), 336); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, 336), 336); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), + (uint64_t)UINT_MAX); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1), + (uint64_t)UINT_MAX / 2 + 1); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, UINT_MAX / 2 + 1), + (uint64_t)UINT_MAX / 2 + 1); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, (UINT_MAX - 1) / 2), + (uint64_t)(UINT_MAX - 1) / 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2), + (uint64_t)(UINT_MAX - 1) / 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 2, (UINT_MAX - 1) / 2), + (uint64_t)(UINT_MAX - 1) / 2); + + /* Test tiled format */ + info = drm_format_info(DRM_FORMAT_X0L2); + KUNIT_EXPECT_TRUE(test, info); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 0, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, -1, 0)); + KUNIT_EXPECT_FALSE(test, drm_format_info_min_pitch(info, 1, 0)); + + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1), 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 2), 4); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 640), 1280); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1024), 2048); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 1920), 3840); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 4096), 8192); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, 671), 1342); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX), + (uint64_t)UINT_MAX * 2); + KUNIT_EXPECT_EQ(test, drm_format_info_min_pitch(info, 0, UINT_MAX - 1), + (uint64_t)(UINT_MAX - 1) * 2); +} + +static struct kunit_case drm_format_tests[] = { + KUNIT_CASE(igt_check_drm_format_block_width), + KUNIT_CASE(igt_check_drm_format_block_height), + KUNIT_CASE(igt_check_drm_format_min_pitch), + { } +}; + +static struct kunit_suite drm_format_test_suite = { + .name = "drm_format", + .test_cases = drm_format_tests, +}; + +kunit_test_suite(drm_format_test_suite); + +MODULE_LICENSE("GPL"); |