// SPDX-License-Identifier: GPL-2.0+ #include <kunit/test.h>#include <drm/drm_device.h>#include <drm/drm_drv.h>#include <drm/drm_file.h>#include <drm/drm_format_helper.h>#include <drm/drm_fourcc.h>#include <drm/drm_framebuffer.h>#include <drm/drm_gem_framebuffer_helper.h>#include <drm/drm_kunit_helpers.h>#include <drm/drm_mode.h>#include <drm/drm_print.h>#include <drm/drm_rect.h>#include "../drm_crtc_internal.h" #define TEST_BUF_SIZE 50#define TEST_USE_DEFAULT_PITCH 0static unsigned char fmtcnv_state_mem[PAGE_SIZE];static struct drm_format_conv_state fmtcnv_state =sizeof (fmtcnv_state_mem));struct convert_to_gray8_result {unsigned int dst_pitch;const u8 expected[TEST_BUF_SIZE];struct convert_to_rgb332_result {unsigned int dst_pitch;const u8 expected[TEST_BUF_SIZE];struct convert_to_rgb565_result {unsigned int dst_pitch;const u16 expected[TEST_BUF_SIZE];const u16 expected_swab[TEST_BUF_SIZE];struct convert_to_xrgb1555_result {unsigned int dst_pitch;const u16 expected[TEST_BUF_SIZE];struct convert_to_argb1555_result {unsigned int dst_pitch;const u16 expected[TEST_BUF_SIZE];struct convert_to_rgba5551_result {unsigned int dst_pitch;const u16 expected[TEST_BUF_SIZE];struct convert_to_rgb888_result {unsigned int dst_pitch;const u8 expected[TEST_BUF_SIZE];struct convert_to_bgr888_result {unsigned int dst_pitch;const u8 expected[TEST_BUF_SIZE];struct convert_to_argb8888_result {unsigned int dst_pitch;const u32 expected[TEST_BUF_SIZE];struct convert_to_xrgb2101010_result {unsigned int dst_pitch;const u32 expected[TEST_BUF_SIZE];struct convert_to_argb2101010_result {unsigned int dst_pitch;const u32 expected[TEST_BUF_SIZE];struct convert_to_mono_result {unsigned int dst_pitch;const u8 expected[TEST_BUF_SIZE];struct fb_swab_result {unsigned int dst_pitch;const u32 expected[TEST_BUF_SIZE];struct convert_to_xbgr8888_result {unsigned int dst_pitch;const u32 expected[TEST_BUF_SIZE];struct convert_to_abgr8888_result {unsigned int dst_pitch;const u32 expected[TEST_BUF_SIZE];struct convert_xrgb8888_case {const char *name;unsigned int pitch;struct drm_rect clip;const u32 xrgb8888[TEST_BUF_SIZE];struct convert_to_gray8_result gray8_result;struct convert_to_rgb332_result rgb332_result;struct convert_to_rgb565_result rgb565_result;struct convert_to_xrgb1555_result xrgb1555_result;struct convert_to_argb1555_result argb1555_result;struct convert_to_rgba5551_result rgba5551_result;struct convert_to_rgb888_result rgb888_result;struct convert_to_bgr888_result bgr888_result;struct convert_to_argb8888_result argb8888_result;struct convert_to_xrgb2101010_result xrgb2101010_result;struct convert_to_argb2101010_result argb2101010_result;struct convert_to_mono_result mono_result;struct fb_swab_result swab_result;struct convert_to_xbgr8888_result xbgr8888_result;struct convert_to_abgr8888_result abgr8888_result;static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {"single_pixel_source_buffer" ,"single_pixel_clip_rectangle" ,/* Well known colors: White, black, red, green, blue, magenta, * yellow and cyan. Different values for the X in XRGB8888 to * make sure it is ignored. Partial clip area. "well_known_colors" ,/* Randomly picked colors. Full buffer within the clip area. */ "destination_pitch" ,/* * conversion_buf_size - Return the destination buffer size required to convert * between formats. * @dst_format: destination buffer pixel format (DRM_FORMAT_*) * @dst_pitch: Number of bytes between two consecutive scanlines within dst * @clip: Clip rectangle area to convert * * Returns: * The size of the destination buffer or negative value on error. static size_t conversion_buf_size(u32 dst_format, unsigned int dst_pitch,const struct drm_rect *clip, int plane)const struct drm_format_info *dst_fi = drm_format_info(dst_format);if (!dst_fi)return -EINVAL;if (!dst_pitch)return dst_pitch * drm_rect_height(clip);static u16 *le16buf_to_cpu(struct kunit *test, const __le16 *buf, size_t buf_size)int n;sizeof (*dst) * buf_size, GFP_KERNEL);if (!dst)return NULL;for (n = 0; n < buf_size; n++)return dst;static u32 *le32buf_to_cpu(struct kunit *test, const __le32 *buf, size_t buf_size)int n;sizeof (*dst) * buf_size, GFP_KERNEL);if (!dst)return NULL;for (n = 0; n < buf_size; n++)return dst;static __le32 *cpubuf_to_le32(struct kunit *test, const u32 *buf, size_t buf_size)int n;sizeof (*dst) * buf_size, GFP_KERNEL);if (!dst)return NULL;for (n = 0; n < buf_size; n++)return dst;static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t,char *desc)static void drm_test_fb_xrgb8888_to_gray8(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_gray8_result *result = ¶ms->gray8_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?static void drm_test_fb_xrgb8888_to_rgb332(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_rgb332_result *result = ¶ms->rgb332_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?static void drm_test_fb_xrgb8888_to_rgb565(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_rgb565_result *result = ¶ms->rgb565_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le16 *)buf, dst_size / sizeof (__le16));/* restore original value of buf */ const __le16 *)buf, dst_size / sizeof (__le16));const __le16 *)buf, dst_size / sizeof (__le16));static void drm_test_fb_xrgb8888_to_xrgb1555(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_xrgb1555_result *result = ¶ms->xrgb1555_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le16 *)buf, dst_size / sizeof (__le16));/* restore original value of buf */ const __le16 *)buf, dst_size / sizeof (__le16));static void drm_test_fb_xrgb8888_to_argb1555(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_argb1555_result *result = ¶ms->argb1555_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le16 *)buf, dst_size / sizeof (__le16));/* restore original value of buf */ const __le16 *)buf, dst_size / sizeof (__le16));static void drm_test_fb_xrgb8888_to_rgba5551(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_rgba5551_result *result = ¶ms->rgba5551_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le16 *)buf, dst_size / sizeof (__le16));/* restore original value of buf */ const __le16 *)buf, dst_size / sizeof (__le16));static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_rgb888_result *result = ¶ms->rgb888_result;struct iosys_map dst, src;struct drm_framebuffer fb = {/* * RGB888 expected results are already in little-endian * order, so there's no need to convert the test output. const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?/* restore original value of buf */ static void drm_test_fb_xrgb8888_to_bgr888(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_bgr888_result *result = ¶ms->bgr888_result;struct iosys_map dst, src;struct drm_framebuffer fb = {/* * BGR888 expected results are already in little-endian * order, so there's no need to convert the test output. /* restore original value of buf */ static void drm_test_fb_xrgb8888_to_argb8888(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_argb8888_result *result = ¶ms->argb8888_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le32 *)buf, dst_size / sizeof (u32));/* restore original value of buf */ const __le32 *)buf, dst_size / sizeof (u32));static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_xrgb2101010_result *result = ¶ms->xrgb2101010_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le32 *)buf, dst_size / sizeof (u32));/* restore original value of buf */ const __le32 *)buf, dst_size / sizeof (u32));static void drm_test_fb_xrgb8888_to_argb2101010(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_argb2101010_result *result = ¶ms->argb2101010_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le32 *)buf, dst_size / sizeof (u32));/* restore original value of buf */ const __le32 *)buf, dst_size / sizeof (u32));static void drm_test_fb_xrgb8888_to_mono(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_mono_result *result = ¶ms->mono_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?static void drm_test_fb_swab(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct fb_swab_result *result = ¶ms->swab_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?false , &fmtcnv_state);const __le32 *)buf, dst_size / sizeof (u32));/* restore original value of buf */ false , &fmtcnv_state);const __le32 *)buf, dst_size / sizeof (u32));const __le32 *)buf, dst_size / sizeof (u32));struct drm_format_info mock_format = *fb.format;false , &fmtcnv_state);const __le32 *)buf, dst_size / sizeof (u32));static void drm_test_fb_xrgb8888_to_abgr8888(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_abgr8888_result *result = ¶ms->abgr8888_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le32 *)buf, dst_size / sizeof (u32));static void drm_test_fb_xrgb8888_to_xbgr8888(struct kunit *test)const struct convert_xrgb8888_case *params = test->param_value;const struct convert_to_xbgr8888_result *result = ¶ms->xbgr8888_result;struct iosys_map dst, src;struct drm_framebuffer fb = {const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ?const __le32 *)buf, dst_size / sizeof (u32));struct clip_offset_case {const char *name;unsigned int pitch;struct drm_rect clip;unsigned int expected_offset;static struct clip_offset_case clip_offset_cases[] = {"pass through" ,"horizontal offset" ,"vertical offset" ,"horizontal and vertical offset" ,"horizontal offset (custom pitch)" ,"vertical offset (custom pitch)" ,"horizontal and vertical offset (custom pitch)" ,static void clip_offset_case_desc(struct clip_offset_case *t, char *desc)static void drm_test_fb_clip_offset(struct kunit *test)const struct clip_offset_case *params = test->param_value;const struct drm_format_info *format_info = drm_format_info(params->format);unsigned int offset;unsigned int pitch = params->pitch;if (pitch == TEST_USE_DEFAULT_PITCH)/* * Assure that the pitch is not zero, because this will inevitable cause the * wrong expected result struct fb_memcpy_case {const char *name;struct drm_rect clip;unsigned int src_pitches[DRM_FORMAT_MAX_PLANES];const u32 src[DRM_FORMAT_MAX_PLANES][TEST_BUF_SIZE];unsigned int dst_pitches[DRM_FORMAT_MAX_PLANES];const u32 expected[DRM_FORMAT_MAX_PLANES][TEST_BUF_SIZE];/* The `src` and `expected` buffers are u32 arrays. To deal with planes that * have a cpp != 4 the values are stored together on the same u32 number in a * way so the order in memory is correct in a little-endian machine. * * Because of that, on some occasions, parts of a u32 will not be part of the * test, to make this explicit the 0xFF byte is used on those parts. static struct fb_memcpy_case fb_memcpy_cases[] = {"single_pixel_source_buffer" ,"single_pixel_source_buffer" ,"single_pixel_source_buffer" ,"single_pixel_clip_rectangle" ,"single_pixel_clip_rectangle" ,"single_pixel_clip_rectangle" ,"well_known_colors" ,"well_known_colors" ,"well_known_colors" ,"destination_pitch" ,"destination_pitch" ,"destination_pitch" ,static void fb_memcpy_case_desc(struct fb_memcpy_case *t, char *desc)"%s: %p4cc" , t->name, &t->format);static void drm_test_fb_memcpy(struct kunit *test)const struct fb_memcpy_case *params = test->param_value;struct iosys_map dst[DRM_FORMAT_MAX_PLANES];struct iosys_map src[DRM_FORMAT_MAX_PLANES];struct drm_framebuffer fb = {sizeof (int ));for (size_t i = 0; i < fb.format->num_planes; i++) {const unsigned int *dst_pitches = params->dst_pitches[0] == TEST_USE_DEFAULT_PITCH ? NULL :for (size_t i = 0; i < fb.format->num_planes; i++) {"Failed expectation on plane %zu" , i);for (size_t i = 0; i < fb.format->num_planes; i++) {"Failed expectation on plane %zu" , i);static struct kunit_case drm_format_helper_test_cases[] = {),),static struct kunit_suite drm_format_helper_test_suite = {"drm_format_helper_test" ,"KUnit tests for the drm_format_helper APIs" );"GPL" );"José Expósito " );
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