Add selftests for the following newly added functions: - drm_format_info_block_width - drm_format_info_block_height - drm_format_info_min_pitch
Signed-off-by: Alexandru Gheorghe alexandru-cosmin.gheorghe@arm.com --- drivers/gpu/drm/selftests/Makefile | 3 +- .../gpu/drm/selftests/drm_modeset_selftests.h | 3 + drivers/gpu/drm/selftests/test-drm_format.c | 290 ++++++++++++++++++ .../drm/selftests/test-drm_modeset_common.h | 3 + 4 files changed, 298 insertions(+), 1 deletion(-) create mode 100644 drivers/gpu/drm/selftests/test-drm_format.c
diff --git a/drivers/gpu/drm/selftests/Makefile b/drivers/gpu/drm/selftests/Makefile index 7e6581921da0..07b4f88b422a 100644 --- a/drivers/gpu/drm/selftests/Makefile +++ b/drivers/gpu/drm/selftests/Makefile @@ -1,3 +1,4 @@ -test-drm_modeset-y := test-drm_modeset_common.o test-drm_plane_helper.o +test-drm_modeset-y := test-drm_modeset_common.o test-drm_plane_helper.o \ + test-drm_format.o
obj-$(CONFIG_DRM_DEBUG_SELFTEST) += test-drm_mm.o test-drm_modeset.o diff --git a/drivers/gpu/drm/selftests/drm_modeset_selftests.h b/drivers/gpu/drm/selftests/drm_modeset_selftests.h index 9771290ed228..4e203ac8c134 100644 --- a/drivers/gpu/drm/selftests/drm_modeset_selftests.h +++ b/drivers/gpu/drm/selftests/drm_modeset_selftests.h @@ -7,3 +7,6 @@ * Tests are executed in order by igt/drm_selftests_helper */ selftest(check_plane_state, igt_check_plane_state) +selftest(check_drm_format_block_width, igt_check_drm_format_block_width) +selftest(check_drm_format_block_height, igt_check_drm_format_block_height) +selftest(check_drm_format_min_pitch, igt_check_drm_format_min_pitch) diff --git a/drivers/gpu/drm/selftests/test-drm_format.c b/drivers/gpu/drm/selftests/test-drm_format.c new file mode 100644 index 000000000000..5abfd5e28d7d --- /dev/null +++ b/drivers/gpu/drm/selftests/test-drm_format.c @@ -0,0 +1,290 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Test cases for the drm_format functions + */ + +#define pr_fmt(fmt) "drm_format: " fmt + +#include <linux/errno.h> +#include <linux/kernel.h> + +#include <drm/drm_fourcc.h> + +#include "test-drm_modeset_common.h" + +int igt_check_drm_format_block_width(void *ignored) +{ + const struct drm_format_info *info = NULL; + + /* Test invalid arguments */ + FAIL_ON(drm_format_info_block_width(info, 0) != 0); + FAIL_ON(drm_format_info_block_width(info, -1) != 0); + FAIL_ON(drm_format_info_block_width(info, 1) != 0); + + /* Test 1 plane format */ + info = drm_format_info(DRM_FORMAT_XRGB4444); + FAIL_ON(!info); + FAIL_ON(drm_format_info_block_width(info, 0) != 1); + FAIL_ON(drm_format_info_block_width(info, 1) != 0); + FAIL_ON(drm_format_info_block_width(info, -1) != 0); + + /* Test 2 planes format */ + info = drm_format_info(DRM_FORMAT_NV12); + FAIL_ON(!info); + FAIL_ON(drm_format_info_block_width(info, 0) != 1); + FAIL_ON(drm_format_info_block_width(info, 1) != 1); + FAIL_ON(drm_format_info_block_width(info, 2) != 0); + FAIL_ON(drm_format_info_block_width(info, -1) != 0); + + /* Test 3 planes format */ + info = drm_format_info(DRM_FORMAT_YUV422); + FAIL_ON(!info); + FAIL_ON(drm_format_info_block_width(info, 0) != 1); + FAIL_ON(drm_format_info_block_width(info, 1) != 1); + FAIL_ON(drm_format_info_block_width(info, 2) != 1); + FAIL_ON(drm_format_info_block_width(info, 3) != 0); + FAIL_ON(drm_format_info_block_width(info, -1) != 0); + + /* Test a tiled format */ + info = drm_format_info(DRM_FORMAT_X0L0); + FAIL_ON(!info); + FAIL_ON(drm_format_info_block_width(info, 0) != 2); + FAIL_ON(drm_format_info_block_width(info, 1) != 0); + FAIL_ON(drm_format_info_block_width(info, -1) != 0); + + return 0; +} + +int igt_check_drm_format_block_height(void *ignored) +{ + const struct drm_format_info *info = NULL; + + /* Test invalid arguments */ + FAIL_ON(drm_format_info_block_height(info, 0) != 0); + FAIL_ON(drm_format_info_block_height(info, -1) != 0); + FAIL_ON(drm_format_info_block_height(info, 1) != 0); + + /* Test 1 plane format */ + info = drm_format_info(DRM_FORMAT_XRGB4444); + FAIL_ON(!info); + FAIL_ON(drm_format_info_block_height(info, 0) != 1); + FAIL_ON(drm_format_info_block_height(info, 1) != 0); + FAIL_ON(drm_format_info_block_height(info, -1) != 0); + + /* Test 2 planes format */ + info = drm_format_info(DRM_FORMAT_NV12); + FAIL_ON(!info); + FAIL_ON(drm_format_info_block_height(info, 0) != 1); + FAIL_ON(drm_format_info_block_height(info, 1) != 1); + FAIL_ON(drm_format_info_block_height(info, 2) != 0); + FAIL_ON(drm_format_info_block_height(info, -1) != 0); + + /* Test 3 planes format */ + info = drm_format_info(DRM_FORMAT_YUV422); + FAIL_ON(!info); + FAIL_ON(drm_format_info_block_height(info, 0) != 1); + FAIL_ON(drm_format_info_block_height(info, 1) != 1); + FAIL_ON(drm_format_info_block_height(info, 2) != 1); + FAIL_ON(drm_format_info_block_height(info, 3) != 0); + FAIL_ON(drm_format_info_block_height(info, -1) != 0); + + /* Test a tiled format */ + info = drm_format_info(DRM_FORMAT_X0L0); + FAIL_ON(!info); + FAIL_ON(drm_format_info_block_height(info, 0) != 2); + FAIL_ON(drm_format_info_block_height(info, 1) != 0); + FAIL_ON(drm_format_info_block_height(info, -1) != 0); + + return 0; +} + +int igt_check_drm_format_min_pitch(void *ignored) +{ + const struct drm_format_info *info = NULL; + + /* Test invalid arguments */ + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + + /* Test 1 plane 8 bits per pixel format */ + info = drm_format_info(DRM_FORMAT_RGB332); + FAIL_ON(!info); + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + + FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1); + FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920); + FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096); + FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) != + (uint64_t)UINT_MAX); + FAIL_ON(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); + FAIL_ON(!info); + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + + FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 4); + FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1280); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 2048); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 3840); + FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 8192); + FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 1342); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) != + (uint64_t)UINT_MAX * 2); + FAIL_ON(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); + FAIL_ON(!info); + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + + FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 3); + FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 6); + FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1920); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 3072); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 5760); + FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 12288); + FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 2013); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) != + (uint64_t)UINT_MAX * 3); + FAIL_ON(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); + FAIL_ON(!info); + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + + FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 4); + FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 8); + FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 2560); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 4096); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 7680); + FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 16384); + FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 2684); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) != + (uint64_t)UINT_MAX * 4); + FAIL_ON(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); + FAIL_ON(!info); + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 2, 0) != 0); + + FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1); + FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640); + FAIL_ON(drm_format_info_min_pitch(info, 1, 320) != 640); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024); + FAIL_ON(drm_format_info_min_pitch(info, 1, 512) != 1024); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920); + FAIL_ON(drm_format_info_min_pitch(info, 1, 960) != 1920); + FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096); + FAIL_ON(drm_format_info_min_pitch(info, 1, 2048) != 4096); + FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671); + FAIL_ON(drm_format_info_min_pitch(info, 1, 336) != 672); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) != + (uint64_t)UINT_MAX); + FAIL_ON(drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1) != + (uint64_t)UINT_MAX + 1); + FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1)) != + (uint64_t)(UINT_MAX - 1)); + FAIL_ON(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); + FAIL_ON(!info); + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 2, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 3, 0) != 0); + + FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 1); + FAIL_ON(drm_format_info_min_pitch(info, 1, 1) != 1); + FAIL_ON(drm_format_info_min_pitch(info, 2, 1) != 1); + FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 1, 2) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 2, 2) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 640); + FAIL_ON(drm_format_info_min_pitch(info, 1, 320) != 320); + FAIL_ON(drm_format_info_min_pitch(info, 2, 320) != 320); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 1024); + FAIL_ON(drm_format_info_min_pitch(info, 1, 512) != 512); + FAIL_ON(drm_format_info_min_pitch(info, 2, 512) != 512); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 1920); + FAIL_ON(drm_format_info_min_pitch(info, 1, 960) != 960); + FAIL_ON(drm_format_info_min_pitch(info, 2, 960) != 960); + FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 4096); + FAIL_ON(drm_format_info_min_pitch(info, 1, 2048) != 2048); + FAIL_ON(drm_format_info_min_pitch(info, 2, 2048) != 2048); + FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 671); + FAIL_ON(drm_format_info_min_pitch(info, 1, 336) != 336); + FAIL_ON(drm_format_info_min_pitch(info, 2, 336) != 336); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) != + (uint64_t)UINT_MAX); + FAIL_ON(drm_format_info_min_pitch(info, 1, UINT_MAX / 2 + 1) != + (uint64_t)UINT_MAX / 2 + 1); + FAIL_ON(drm_format_info_min_pitch(info, 2, UINT_MAX / 2 + 1) != + (uint64_t)UINT_MAX / 2 + 1); + FAIL_ON(drm_format_info_min_pitch(info, 0, (UINT_MAX - 1) / 2) != + (uint64_t)(UINT_MAX - 1) / 2); + FAIL_ON(drm_format_info_min_pitch(info, 1, (UINT_MAX - 1) / 2) != + (uint64_t)(UINT_MAX - 1) / 2); + FAIL_ON(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); + FAIL_ON(!info); + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + + FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 2); + FAIL_ON(drm_format_info_min_pitch(info, 0, 2) != 4); + FAIL_ON(drm_format_info_min_pitch(info, 0, 640) != 1280); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1024) != 2048); + FAIL_ON(drm_format_info_min_pitch(info, 0, 1920) != 3840); + FAIL_ON(drm_format_info_min_pitch(info, 0, 4096) != 8192); + FAIL_ON(drm_format_info_min_pitch(info, 0, 671) != 1342); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) != + (uint64_t)UINT_MAX * 2); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX - 1) != + (uint64_t)(UINT_MAX - 1) * 2); + + /* Test format with cpp/char_per_block 0 */ + info = drm_format_info(DRM_FORMAT_VUY101010); + FAIL_ON(!info); + FAIL_ON(drm_format_info_min_pitch(info, 0, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, -1, 0) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 1, 0) != 0); + + FAIL_ON(drm_format_info_min_pitch(info, 0, 1) != 0); + FAIL_ON(drm_format_info_min_pitch(info, 0, UINT_MAX) != 0); + + return 0; +} diff --git a/drivers/gpu/drm/selftests/test-drm_modeset_common.h b/drivers/gpu/drm/selftests/test-drm_modeset_common.h index b0065a2eb067..592a6581b189 100644 --- a/drivers/gpu/drm/selftests/test-drm_modeset_common.h +++ b/drivers/gpu/drm/selftests/test-drm_modeset_common.h @@ -14,5 +14,8 @@ #define FAIL_ON(x) FAIL((x), "%s", "FAIL_ON(" __stringify(x) ")\n")
int igt_check_plane_state(void *ignored); +int igt_check_drm_format_block_width(void *ignored); +int igt_check_drm_format_block_height(void *ignored); +int igt_check_drm_format_min_pitch(void *ignored);
#endif