diff options
Diffstat (limited to 'drivers/gpu/drm/tests/drm_format_helper_test.c')
| -rw-r--r-- | drivers/gpu/drm/tests/drm_format_helper_test.c | 877 |
1 files changed, 877 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c new file mode 100644 index 000000000..474bb7a1c --- /dev/null +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -0,0 +1,877 @@ +// SPDX-License-Identifier: GPL-2.0+ + +#include <kunit/test.h> + +#include <drm/drm_device.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_mode.h> +#include <drm/drm_print.h> +#include <drm/drm_rect.h> + +#include "../drm_crtc_internal.h" + +#define TEST_BUF_SIZE 50 + +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_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 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_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; +}; + +static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { + { + .name = "single_pixel_source_buffer", + .pitch = 1 * 4, + .clip = DRM_RECT_INIT(0, 0, 1, 1), + .xrgb8888 = { 0x01FF0000 }, + .gray8_result = { + .dst_pitch = 0, + .expected = { 0x4C }, + }, + .rgb332_result = { + .dst_pitch = 0, + .expected = { 0xE0 }, + }, + .rgb565_result = { + .dst_pitch = 0, + .expected = { 0xF800 }, + .expected_swab = { 0x00F8 }, + }, + .xrgb1555_result = { + .dst_pitch = 0, + .expected = { 0x7C00 }, + }, + .argb1555_result = { + .dst_pitch = 0, + .expected = { 0xFC00 }, + }, + .rgba5551_result = { + .dst_pitch = 0, + .expected = { 0xF801 }, + }, + .rgb888_result = { + .dst_pitch = 0, + .expected = { 0x00, 0x00, 0xFF }, + }, + .argb8888_result = { + .dst_pitch = 0, + .expected = { 0xFFFF0000 }, + }, + .xrgb2101010_result = { + .dst_pitch = 0, + .expected = { 0x3FF00000 }, + }, + .argb2101010_result = { + .dst_pitch = 0, + .expected = { 0xFFF00000 }, + }, + .mono_result = { + .dst_pitch = 0, + .expected = { 0b0 }, + }, + }, + { + .name = "single_pixel_clip_rectangle", + .pitch = 2 * 4, + .clip = DRM_RECT_INIT(1, 1, 1, 1), + .xrgb8888 = { + 0x00000000, 0x00000000, + 0x00000000, 0x10FF0000, + }, + .gray8_result = { + .dst_pitch = 0, + .expected = { 0x4C }, + }, + .rgb332_result = { + .dst_pitch = 0, + .expected = { 0xE0 }, + }, + .rgb565_result = { + .dst_pitch = 0, + .expected = { 0xF800 }, + .expected_swab = { 0x00F8 }, + }, + .xrgb1555_result = { + .dst_pitch = 0, + .expected = { 0x7C00 }, + }, + .argb1555_result = { + .dst_pitch = 0, + .expected = { 0xFC00 }, + }, + .rgba5551_result = { + .dst_pitch = 0, + .expected = { 0xF801 }, + }, + .rgb888_result = { + .dst_pitch = 0, + .expected = { 0x00, 0x00, 0xFF }, + }, + .argb8888_result = { + .dst_pitch = 0, + .expected = { 0xFFFF0000 }, + }, + .xrgb2101010_result = { + .dst_pitch = 0, + .expected = { 0x3FF00000 }, + }, + .argb2101010_result = { + .dst_pitch = 0, + .expected = { 0xFFF00000 }, + }, + .mono_result = { + .dst_pitch = 0, + .expected = { 0b0 }, + }, + }, + { + /* 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. + */ + .name = "well_known_colors", + .pitch = 4 * 4, + .clip = DRM_RECT_INIT(1, 1, 2, 4), + .xrgb8888 = { + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x11FFFFFF, 0x22000000, 0x00000000, + 0x00000000, 0x33FF0000, 0x4400FF00, 0x00000000, + 0x00000000, 0x550000FF, 0x66FF00FF, 0x00000000, + 0x00000000, 0x77FFFF00, 0x8800FFFF, 0x00000000, + }, + .gray8_result = { + .dst_pitch = 0, + .expected = { + 0xFF, 0x00, + 0x4C, 0x99, + 0x19, 0x66, + 0xE5, 0xB2, + }, + }, + .rgb332_result = { + .dst_pitch = 0, + .expected = { + 0xFF, 0x00, + 0xE0, 0x1C, + 0x03, 0xE3, + 0xFC, 0x1F, + }, + }, + .rgb565_result = { + .dst_pitch = 0, + .expected = { + 0xFFFF, 0x0000, + 0xF800, 0x07E0, + 0x001F, 0xF81F, + 0xFFE0, 0x07FF, + }, + .expected_swab = { + 0xFFFF, 0x0000, + 0x00F8, 0xE007, + 0x1F00, 0x1FF8, + 0xE0FF, 0xFF07, + }, + }, + .xrgb1555_result = { + .dst_pitch = 0, + .expected = { + 0x7FFF, 0x0000, + 0x7C00, 0x03E0, + 0x001F, 0x7C1F, + 0x7FE0, 0x03FF, + }, + }, + .argb1555_result = { + .dst_pitch = 0, + .expected = { + 0xFFFF, 0x8000, + 0xFC00, 0x83E0, + 0x801F, 0xFC1F, + 0xFFE0, 0x83FF, + }, + }, + .rgba5551_result = { + .dst_pitch = 0, + .expected = { + 0xFFFF, 0x0001, + 0xF801, 0x07C1, + 0x003F, 0xF83F, + 0xFFC1, 0x07FF, + }, + }, + .rgb888_result = { + .dst_pitch = 0, + .expected = { + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, + 0x00, 0x00, 0xFF, 0x00, 0xFF, 0x00, + 0xFF, 0x00, 0x00, 0xFF, 0x00, 0xFF, + 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, + }, + }, + .argb8888_result = { + .dst_pitch = 0, + .expected = { + 0xFFFFFFFF, 0xFF000000, + 0xFFFF0000, 0xFF00FF00, + 0xFF0000FF, 0xFFFF00FF, + 0xFFFFFF00, 0xFF00FFFF, + }, + }, + .xrgb2101010_result = { + .dst_pitch = 0, + .expected = { + 0x3FFFFFFF, 0x00000000, + 0x3FF00000, 0x000FFC00, + 0x000003FF, 0x3FF003FF, + 0x3FFFFC00, 0x000FFFFF, + }, + }, + .argb2101010_result = { + .dst_pitch = 0, + .expected = { + 0xFFFFFFFF, 0xC0000000, + 0xFFF00000, 0xC00FFC00, + 0xC00003FF, 0xFFF003FF, + 0xFFFFFC00, 0xC00FFFFF, + }, + }, + .mono_result = { + .dst_pitch = 0, + .expected = { + 0b01, + 0b10, + 0b00, + 0b11, + }, + }, + }, + { + /* Randomly picked colors. Full buffer within the clip area. */ + .name = "destination_pitch", + .pitch = 3 * 4, + .clip = DRM_RECT_INIT(0, 0, 3, 3), + .xrgb8888 = { + 0xA10E449C, 0xB1114D05, 0xC1A8F303, + 0xD16CF073, 0xA20E449C, 0xB2114D05, + 0xC2A80303, 0xD26CF073, 0xA30E449C, + }, + .gray8_result = { + .dst_pitch = 5, + .expected = { + 0x3C, 0x33, 0xC4, 0x00, 0x00, + 0xBB, 0x3C, 0x33, 0x00, 0x00, + 0x34, 0xBB, 0x3C, 0x00, 0x00, + }, + }, + .rgb332_result = { + .dst_pitch = 5, + .expected = { + 0x0A, 0x08, 0xBC, 0x00, 0x00, + 0x7D, 0x0A, 0x08, 0x00, 0x00, + 0xA0, 0x7D, 0x0A, 0x00, 0x00, + }, + }, + .rgb565_result = { + .dst_pitch = 10, + .expected = { + 0x0A33, 0x1260, 0xAF80, 0x0000, 0x0000, + 0x6F8E, 0x0A33, 0x1260, 0x0000, 0x0000, + 0xA800, 0x6F8E, 0x0A33, 0x0000, 0x0000, + }, + .expected_swab = { + 0x330A, 0x6012, 0x80AF, 0x0000, 0x0000, + 0x8E6F, 0x330A, 0x6012, 0x0000, 0x0000, + 0x00A8, 0x8E6F, 0x330A, 0x0000, 0x0000, + }, + }, + .xrgb1555_result = { + .dst_pitch = 10, + .expected = { + 0x0513, 0x0920, 0x57C0, 0x0000, 0x0000, + 0x37CE, 0x0513, 0x0920, 0x0000, 0x0000, + 0x5400, 0x37CE, 0x0513, 0x0000, 0x0000, + }, + }, + .argb1555_result = { + .dst_pitch = 10, + .expected = { + 0x8513, 0x8920, 0xD7C0, 0x0000, 0x0000, + 0xB7CE, 0x8513, 0x8920, 0x0000, 0x0000, + 0xD400, 0xB7CE, 0x8513, 0x0000, 0x0000, + }, + }, + .rgba5551_result = { + .dst_pitch = 10, + .expected = { + 0x0A27, 0x1241, 0xAF81, 0x0000, 0x0000, + 0x6F9D, 0x0A27, 0x1241, 0x0000, 0x0000, + 0xA801, 0x6F9D, 0x0A27, 0x0000, 0x0000, + }, + }, + .rgb888_result = { + .dst_pitch = 15, + .expected = { + 0x9C, 0x44, 0x0E, 0x05, 0x4D, 0x11, 0x03, 0xF3, 0xA8, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x73, 0xF0, 0x6C, 0x9C, 0x44, 0x0E, 0x05, 0x4D, 0x11, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x03, 0x03, 0xA8, 0x73, 0xF0, 0x6C, 0x9C, 0x44, 0x0E, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + }, + }, + .argb8888_result = { + .dst_pitch = 20, + .expected = { + 0xFF0E449C, 0xFF114D05, 0xFFA8F303, 0x00000000, 0x00000000, + 0xFF6CF073, 0xFF0E449C, 0xFF114D05, 0x00000000, 0x00000000, + 0xFFA80303, 0xFF6CF073, 0xFF0E449C, 0x00000000, 0x00000000, + }, + }, + .xrgb2101010_result = { + .dst_pitch = 20, + .expected = { + 0x03844672, 0x0444D414, 0x2A2F3C0C, 0x00000000, 0x00000000, + 0x1B1F0DCD, 0x03844672, 0x0444D414, 0x00000000, 0x00000000, + 0x2A20300C, 0x1B1F0DCD, 0x03844672, 0x00000000, 0x00000000, + }, + }, + .argb2101010_result = { + .dst_pitch = 20, + .expected = { + 0xC3844672, 0xC444D414, 0xEA2F3C0C, 0x00000000, 0x00000000, + 0xDB1F0DCD, 0xC3844672, 0xC444D414, 0x00000000, 0x00000000, + 0xEA20300C, 0xDB1F0DCD, 0xC3844672, 0x00000000, 0x00000000, + }, + }, + .mono_result = { + .dst_pitch = 2, + .expected = { + 0b100, 0b000, + 0b001, 0b000, + 0b010, 0b000, + }, + }, + }, +}; + +/* + * 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) +{ + const struct drm_format_info *dst_fi = drm_format_info(dst_format); + + if (!dst_fi) + return -EINVAL; + + if (!dst_pitch) + dst_pitch = drm_format_info_min_pitch(dst_fi, 0, drm_rect_width(clip)); + + return dst_pitch * drm_rect_height(clip); +} + +static u16 *le16buf_to_cpu(struct kunit *test, const __le16 *buf, size_t buf_size) +{ + u16 *dst = NULL; + int n; + + dst = kunit_kzalloc(test, sizeof(*dst) * buf_size, GFP_KERNEL); + if (!dst) + return NULL; + + for (n = 0; n < buf_size; n++) + dst[n] = le16_to_cpu(buf[n]); + + return dst; +} + +static u32 *le32buf_to_cpu(struct kunit *test, const __le32 *buf, size_t buf_size) +{ + u32 *dst = NULL; + int n; + + dst = kunit_kzalloc(test, sizeof(*dst) * buf_size, GFP_KERNEL); + if (!dst) + return NULL; + + for (n = 0; n < buf_size; n++) + dst[n] = le32_to_cpu((__force __le32)buf[n]); + + return dst; +} + +static __le32 *cpubuf_to_le32(struct kunit *test, const u32 *buf, size_t buf_size) +{ + __le32 *dst = NULL; + int n; + + dst = kunit_kzalloc(test, sizeof(*dst) * buf_size, GFP_KERNEL); + if (!dst) + return NULL; + + for (n = 0; n < buf_size; n++) + dst[n] = cpu_to_le32(buf[n]); + + return dst; +} + +static void convert_xrgb8888_case_desc(struct convert_xrgb8888_case *t, + char *desc) +{ + strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE); +} + +KUNIT_ARRAY_PARAM(convert_xrgb8888, convert_xrgb8888_cases, + convert_xrgb8888_case_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; + size_t dst_size; + u8 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_R8, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_gray8(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u8 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_RGB332, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_rgb332(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u16 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_RGB565, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_rgb565(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip, false); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; /* restore original value of buf */ + drm_fb_xrgb8888_to_rgb565(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip, true); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected_swab, dst_size); +} + +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; + size_t dst_size; + u16 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_XRGB1555, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_xrgb1555(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u16 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_ARGB1555, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_argb1555(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u16 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_RGBA5551, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_rgba5551(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u8 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_RGB888, result->dst_pitch, + ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + /* + * RGB888 expected results are already in little-endian + * order, so there's no need to convert the test output. + */ + drm_fb_xrgb8888_to_rgb888(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u32 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_ARGB8888, + result->dst_pitch, ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_argb8888(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u32 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_XRGB2101010, + result->dst_pitch, ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_xrgb2101010(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le32buf_to_cpu(test, buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u32 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_ARGB2101010, + result->dst_pitch, ¶ms->clip); + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_argb2101010(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + size_t dst_size; + u8 *buf = NULL; + __le32 *xrgb8888 = NULL; + struct iosys_map dst, src; + + struct drm_framebuffer fb = { + .format = drm_format_info(DRM_FORMAT_XRGB8888), + .pitches = { params->pitch, 0, 0 }, + }; + + dst_size = conversion_buf_size(DRM_FORMAT_C1, result->dst_pitch, ¶ms->clip); + + KUNIT_ASSERT_GT(test, dst_size, 0); + + buf = kunit_kzalloc(test, dst_size, GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf); + iosys_map_set_vaddr(&dst, buf); + + xrgb8888 = cpubuf_to_le32(test, params->xrgb8888, TEST_BUF_SIZE); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, xrgb8888); + iosys_map_set_vaddr(&src, xrgb8888); + + drm_fb_xrgb8888_to_mono(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +static struct kunit_case drm_format_helper_test_cases[] = { + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_gray8, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb332, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb565, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb1555, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb1555, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgba5551, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_rgb888, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb8888, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb2101010, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_argb2101010, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_mono, convert_xrgb8888_gen_params), + {} +}; + +static struct kunit_suite drm_format_helper_test_suite = { + .name = "drm_format_helper_test", + .test_cases = drm_format_helper_test_cases, +}; + +kunit_test_suite(drm_format_helper_test_suite); + +MODULE_DESCRIPTION("KUnit tests for the drm_format_helper APIs"); +MODULE_LICENSE("GPL"); +MODULE_AUTHOR("José Expósito <jose.exposito89@gmail.com>"); |