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 | 1740 |
1 files changed, 1740 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 000000000000..981dada8f3a8 --- /dev/null +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -0,0 +1,1740 @@ +// 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 0 + +static unsigned char fmtcnv_state_mem[PAGE_SIZE]; +static struct drm_format_conv_state fmtcnv_state = + DRM_FORMAT_CONV_STATE_INIT_PREALLOCATED(fmtcnv_state_mem, 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[] = { + { + .name = "single_pixel_source_buffer", + .pitch = 1 * 4, + .clip = DRM_RECT_INIT(0, 0, 1, 1), + .xrgb8888 = { 0x01FF0000 }, + .gray8_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x4C }, + }, + .rgb332_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xE0 }, + }, + .rgb565_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xF800 }, + .expected_swab = { 0x00F8 }, + }, + .xrgb1555_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x7C00 }, + }, + .argb1555_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFC00 }, + }, + .rgba5551_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xF801 }, + }, + .rgb888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x00, 0x00, 0xFF }, + }, + .bgr888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFF, 0x00, 0x00 }, + }, + .argb8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFFFF0000 }, + }, + .xrgb2101010_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x3FF00000 }, + }, + .argb2101010_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFFF00000 }, + }, + .mono_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0b0 }, + }, + .swab_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x0000FF01 }, + }, + .xbgr8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x010000FF }, + }, + .abgr8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFF0000FF }, + }, + }, + { + .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 = TEST_USE_DEFAULT_PITCH, + .expected = { 0x4C }, + }, + .rgb332_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xE0 }, + }, + .rgb565_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xF800 }, + .expected_swab = { 0x00F8 }, + }, + .xrgb1555_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x7C00 }, + }, + .argb1555_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFC00 }, + }, + .rgba5551_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xF801 }, + }, + .rgb888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x00, 0x00, 0xFF }, + }, + .bgr888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFF, 0x00, 0x00 }, + }, + .argb8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFFFF0000 }, + }, + .xrgb2101010_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x3FF00000 }, + }, + .argb2101010_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFFF00000 }, + }, + .mono_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0b0 }, + }, + .swab_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x0000FF10 }, + }, + .xbgr8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0x100000FF }, + }, + .abgr8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { 0xFF0000FF }, + }, + }, + { + /* 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 = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFF, 0x00, + 0x4C, 0x95, + 0x1C, 0x69, + 0xE2, 0xB2, + }, + }, + .rgb332_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFF, 0x00, + 0xE0, 0x1C, + 0x03, 0xE3, + 0xFC, 0x1F, + }, + }, + .rgb565_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFFFF, 0x0000, + 0xF800, 0x07E0, + 0x001F, 0xF81F, + 0xFFE0, 0x07FF, + }, + .expected_swab = { + 0xFFFF, 0x0000, + 0x00F8, 0xE007, + 0x1F00, 0x1FF8, + 0xE0FF, 0xFF07, + }, + }, + .xrgb1555_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0x7FFF, 0x0000, + 0x7C00, 0x03E0, + 0x001F, 0x7C1F, + 0x7FE0, 0x03FF, + }, + }, + .argb1555_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFFFF, 0x8000, + 0xFC00, 0x83E0, + 0x801F, 0xFC1F, + 0xFFE0, 0x83FF, + }, + }, + .rgba5551_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFFFF, 0x0001, + 0xF801, 0x07C1, + 0x003F, 0xF83F, + 0xFFC1, 0x07FF, + }, + }, + .rgb888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .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, + }, + }, + .bgr888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, + 0xFF, 0x00, 0x00, 0x00, 0xFF, 0x00, + 0x00, 0x00, 0xFF, 0xFF, 0x00, 0xFF, + 0xFF, 0xFF, 0x00, 0x00, 0xFF, 0xFF, + }, + }, + .argb8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFFFFFFFF, 0xFF000000, + 0xFFFF0000, 0xFF00FF00, + 0xFF0000FF, 0xFFFF00FF, + 0xFFFFFF00, 0xFF00FFFF, + }, + }, + .xrgb2101010_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0x3FFFFFFF, 0x00000000, + 0x3FF00000, 0x000FFC00, + 0x000003FF, 0x3FF003FF, + 0x3FFFFC00, 0x000FFFFF, + }, + }, + .argb2101010_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFFFFFFFF, 0xC0000000, + 0xFFF00000, 0xC00FFC00, + 0xC00003FF, 0xFFF003FF, + 0xFFFFFC00, 0xC00FFFFF, + }, + }, + .mono_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0b01, + 0b10, + 0b00, + 0b11, + }, + }, + .swab_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFFFFFF11, 0x00000022, + 0x0000FF33, 0x00FF0044, + 0xFF000055, 0xFF00FF66, + 0x00FFFF77, 0xFFFF0088, + }, + }, + .xbgr8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0x11FFFFFF, 0x22000000, + 0x330000FF, 0x4400FF00, + 0x55FF0000, 0x66FF00FF, + 0x7700FFFF, 0x88FFFF00, + }, + }, + .abgr8888_result = { + .dst_pitch = TEST_USE_DEFAULT_PITCH, + .expected = { + 0xFFFFFFFF, 0xFF000000, + 0xFF0000FF, 0xFF00FF00, + 0xFFFF0000, 0xFFFF00FF, + 0xFF00FFFF, 0xFFFFFF00, + }, + }, + }, + { + /* 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 = { + 0x3D, 0x32, 0xC1, 0x00, 0x00, + 0xBA, 0x3D, 0x32, 0x00, 0x00, + 0x34, 0xBA, 0x3D, 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, + }, + }, + .bgr888_result = { + .dst_pitch = 15, + .expected = { + 0x0E, 0x44, 0x9C, 0x11, 0x4D, 0x05, 0xA8, 0xF3, 0x03, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0x6C, 0xF0, 0x73, 0x0E, 0x44, 0x9C, 0x11, 0x4D, 0x05, + 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, + 0xA8, 0x03, 0x03, 0x6C, 0xF0, 0x73, 0x0E, 0x44, 0x9C, + 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, + }, + }, + .swab_result = { + .dst_pitch = 20, + .expected = { + 0x9C440EA1, 0x054D11B1, 0x03F3A8C1, 0x00000000, 0x00000000, + 0x73F06CD1, 0x9C440EA2, 0x054D11B2, 0x00000000, 0x00000000, + 0x0303A8C2, 0x73F06CD2, 0x9C440EA3, 0x00000000, 0x00000000, + }, + }, + .xbgr8888_result = { + .dst_pitch = 20, + .expected = { + 0xA19C440E, 0xB1054D11, 0xC103F3A8, 0x00000000, 0x00000000, + 0xD173F06C, 0xA29C440E, 0xB2054D11, 0x00000000, 0x00000000, + 0xC20303A8, 0xD273F06C, 0xA39C440E, 0x00000000, 0x00000000, + }, + }, + .abgr8888_result = { + .dst_pitch = 20, + .expected = { + 0xFF9C440E, 0xFF054D11, 0xFF03F3A8, 0x00000000, 0x00000000, + 0xFF73F06C, 0xFF9C440E, 0xFF054D11, 0x00000000, 0x00000000, + 0xFF0303A8, 0xFF73F06C, 0xFF9C440E, 0x00000000, 0x00000000, + }, + }, + }, +}; + +/* + * 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) + dst_pitch = drm_format_info_min_pitch(dst_fi, plane, 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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_gray8(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_rgb332(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_rgb565(&dst, dst_pitch, &src, &fb, ¶ms->clip, + &fmtcnv_state); + 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_rgb565be(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip, + &fmtcnv_state); + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected_swab, dst_size); + + buf = dst.vaddr; + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_rgb565(&dst, dst_pitch, &src, &fb, ¶ms->clip, + &fmtcnv_state); + 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_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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_xrgb1555(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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 */ + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_xrgb1555(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_argb1555(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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 */ + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_argb1555(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_rgba5551(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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 */ + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_rgba5551(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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, 0); + 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. + */ + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_rgb888(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; /* restore original value of buf */ + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_rgb888(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + 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_BGR888, result->dst_pitch, + ¶ms->clip, 0); + 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); + + /* + * BGR888 expected results are already in little-endian + * order, so there's no need to convert the test output. + */ + drm_fb_xrgb8888_to_bgr888(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip, + &fmtcnv_state); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; /* restore original value of buf */ + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_bgr888(&dst, &result->dst_pitch, &src, &fb, ¶ms->clip, + &fmtcnv_state); + 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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_argb8888(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; /* restore original value of buf */ + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_argb8888(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_xrgb2101010(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; /* restore original value of buf */ + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_xrgb2101010(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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_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, 0); + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_argb2101010(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; /* restore original value of buf */ + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_argb2101010(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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, 0); + + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_mono(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +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; + 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_XRGB8888, result->dst_pitch, ¶ms->clip, 0); + + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_swab(&dst, dst_pitch, &src, &fb, ¶ms->clip, false, &fmtcnv_state); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; /* restore original value of buf */ + memset(buf, 0, dst_size); + + drm_fb_swab(&dst, dst_pitch, &src, &fb, ¶ms->clip, false, &fmtcnv_state); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; + memset(buf, 0, dst_size); + + drm_fb_xrgb8888_to_bgrx8888(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); + + buf = dst.vaddr; + memset(buf, 0, dst_size); + + struct drm_format_info mock_format = *fb.format; + + mock_format.format |= DRM_FORMAT_BIG_ENDIAN; + fb.format = &mock_format; + + drm_fb_swab(&dst, dst_pitch, &src, &fb, ¶ms->clip, false, &fmtcnv_state); + 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_abgr8888(struct kunit *test) +{ + const struct convert_xrgb8888_case *params = test->param_value; + const struct convert_to_abgr8888_result *result = ¶ms->abgr8888_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_XBGR8888, result->dst_pitch, ¶ms->clip, 0); + + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_abgr8888(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + 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_xbgr8888(struct kunit *test) +{ + const struct convert_xrgb8888_case *params = test->param_value; + const struct convert_to_xbgr8888_result *result = ¶ms->xbgr8888_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_XBGR8888, result->dst_pitch, ¶ms->clip, 0); + + 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); + + const unsigned int *dst_pitch = (result->dst_pitch == TEST_USE_DEFAULT_PITCH) ? + NULL : &result->dst_pitch; + + drm_fb_xrgb8888_to_xbgr8888(&dst, dst_pitch, &src, &fb, ¶ms->clip, &fmtcnv_state); + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32)); + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size); +} + +struct clip_offset_case { + const char *name; + unsigned int pitch; + u32 format; + struct drm_rect clip; + unsigned int expected_offset; +}; + +static struct clip_offset_case clip_offset_cases[] = { + { + .name = "pass through", + .pitch = TEST_USE_DEFAULT_PITCH, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(0, 0, 3, 3), + .expected_offset = 0 + }, + { + .name = "horizontal offset", + .pitch = TEST_USE_DEFAULT_PITCH, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(1, 0, 3, 3), + .expected_offset = 4, + }, + { + .name = "vertical offset", + .pitch = TEST_USE_DEFAULT_PITCH, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(0, 1, 3, 3), + .expected_offset = 12, + }, + { + .name = "horizontal and vertical offset", + .pitch = TEST_USE_DEFAULT_PITCH, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(1, 1, 3, 3), + .expected_offset = 16, + }, + { + .name = "horizontal offset (custom pitch)", + .pitch = 20, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(1, 0, 3, 3), + .expected_offset = 4, + }, + { + .name = "vertical offset (custom pitch)", + .pitch = 20, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(0, 1, 3, 3), + .expected_offset = 20, + }, + { + .name = "horizontal and vertical offset (custom pitch)", + .pitch = 20, + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(1, 1, 3, 3), + .expected_offset = 24, + }, +}; + +static void clip_offset_case_desc(struct clip_offset_case *t, char *desc) +{ + strscpy(desc, t->name, KUNIT_PARAM_DESC_SIZE); +} + +KUNIT_ARRAY_PARAM(clip_offset, clip_offset_cases, clip_offset_case_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) + pitch = drm_format_info_min_pitch(format_info, 0, + drm_rect_width(¶ms->clip)); + + /* + * Assure that the pitch is not zero, because this will inevitable cause the + * wrong expected result + */ + KUNIT_ASSERT_NE(test, pitch, 0); + + offset = drm_fb_clip_offset(pitch, format_info, ¶ms->clip); + + KUNIT_EXPECT_EQ(test, offset, params->expected_offset); +} + +struct fb_memcpy_case { + const char *name; + u32 format; + 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[] = { + { + .name = "single_pixel_source_buffer", + .format = DRM_FORMAT_XRGB8888, + .clip = DRM_RECT_INIT(0, 0, 1, 1), + .src_pitches = { 1 * 4 }, + .src = {{ 0x01020304 }}, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = {{ 0x01020304 }}, + }, + { + .name = "single_pixel_source_buffer", + .format = DRM_FORMAT_XRGB8888_A8, + .clip = DRM_RECT_INIT(0, 0, 1, 1), + .src_pitches = { 1 * 4, 1 }, + .src = { + { 0x01020304 }, + { 0xFFFFFF01 }, + }, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = { + { 0x01020304 }, + { 0x00000001 }, + }, + }, + { + .name = "single_pixel_source_buffer", + .format = DRM_FORMAT_YUV444, + .clip = DRM_RECT_INIT(0, 0, 1, 1), + .src_pitches = { 1, 1, 1 }, + .src = { + { 0xFFFFFF01 }, + { 0xFFFFFF01 }, + { 0xFFFFFF01 }, + }, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = { + { 0x00000001 }, + { 0x00000001 }, + { 0x00000001 }, + }, + }, + { + .name = "single_pixel_clip_rectangle", + .format = DRM_FORMAT_XBGR8888, + .clip = DRM_RECT_INIT(1, 1, 1, 1), + .src_pitches = { 2 * 4 }, + .src = { + { + 0x00000000, 0x00000000, + 0x00000000, 0x01020304, + }, + }, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = { + { 0x01020304 }, + }, + }, + { + .name = "single_pixel_clip_rectangle", + .format = DRM_FORMAT_XRGB8888_A8, + .clip = DRM_RECT_INIT(1, 1, 1, 1), + .src_pitches = { 2 * 4, 2 * 1 }, + .src = { + { + 0x00000000, 0x00000000, + 0x00000000, 0x01020304, + }, + { 0x01000000 }, + }, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = { + { 0x01020304 }, + { 0x00000001 }, + }, + }, + { + .name = "single_pixel_clip_rectangle", + .format = DRM_FORMAT_YUV444, + .clip = DRM_RECT_INIT(1, 1, 1, 1), + .src_pitches = { 2 * 1, 2 * 1, 2 * 1 }, + .src = { + { 0x01000000 }, + { 0x01000000 }, + { 0x01000000 }, + }, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = { + { 0x00000001 }, + { 0x00000001 }, + { 0x00000001 }, + }, + }, + { + .name = "well_known_colors", + .format = DRM_FORMAT_XBGR8888, + .clip = DRM_RECT_INIT(1, 1, 2, 4), + .src_pitches = { 4 * 4 }, + .src = { + { + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0x11FFFFFF, 0x22000000, 0x00000000, + 0x00000000, 0x33FF0000, 0x4400FF00, 0x00000000, + 0x00000000, 0x550000FF, 0x66FF00FF, 0x00000000, + 0x00000000, 0x77FFFF00, 0x8800FFFF, 0x00000000, + }, + }, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = { + { + 0x11FFFFFF, 0x22000000, + 0x33FF0000, 0x4400FF00, + 0x550000FF, 0x66FF00FF, + 0x77FFFF00, 0x8800FFFF, + }, + }, + }, + { + .name = "well_known_colors", + .format = DRM_FORMAT_XRGB8888_A8, + .clip = DRM_RECT_INIT(1, 1, 2, 4), + .src_pitches = { 4 * 4, 4 * 1 }, + .src = { + { + 0x00000000, 0x00000000, 0x00000000, 0x00000000, + 0x00000000, 0xFFFFFFFF, 0xFF000000, 0x00000000, + 0x00000000, 0xFFFF0000, 0xFF00FF00, 0x00000000, + 0x00000000, 0xFF0000FF, 0xFFFF00FF, 0x00000000, + 0x00000000, 0xFFFFFF00, 0xFF00FFFF, 0x00000000, + }, + { + 0x00000000, + 0x00221100, + 0x00443300, + 0x00665500, + 0x00887700, + }, + }, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = { + { + 0xFFFFFFFF, 0xFF000000, + 0xFFFF0000, 0xFF00FF00, + 0xFF0000FF, 0xFFFF00FF, + 0xFFFFFF00, 0xFF00FFFF, + }, + { + 0x44332211, + 0x88776655, + }, + }, + }, + { + .name = "well_known_colors", + .format = DRM_FORMAT_YUV444, + .clip = DRM_RECT_INIT(1, 1, 2, 4), + .src_pitches = { 4 * 1, 4 * 1, 4 * 1 }, + .src = { + { + 0x00000000, + 0x0000FF00, + 0x00954C00, + 0x00691D00, + 0x00B2E100, + }, + { + 0x00000000, + 0x00000000, + 0x00BEDE00, + 0x00436500, + 0x00229B00, + }, + { + 0x00000000, + 0x00000000, + 0x007E9C00, + 0x0083E700, + 0x00641A00, + }, + }, + .dst_pitches = { TEST_USE_DEFAULT_PITCH }, + .expected = { + { + 0x954C00FF, + 0xB2E1691D, + }, + { + 0xBEDE0000, + 0x229B4365, + }, + { + 0x7E9C0000, + 0x641A83E7, + }, + }, + }, + { + .name = "destination_pitch", + .format = DRM_FORMAT_XBGR8888, + .clip = DRM_RECT_INIT(0, 0, 3, 3), + .src_pitches = { 3 * 4 }, + .src = { + { + 0xA10E449C, 0xB1114D05, 0xC1A8F303, + 0xD16CF073, 0xA20E449C, 0xB2114D05, + 0xC2A80303, 0xD26CF073, 0xA30E449C, + }, + }, + .dst_pitches = { 5 * 4 }, + .expected = { + { + 0xA10E449C, 0xB1114D05, 0xC1A8F303, 0x00000000, 0x00000000, + 0xD16CF073, 0xA20E449C, 0xB2114D05, 0x00000000, 0x00000000, + 0xC2A80303, 0xD26CF073, 0xA30E449C, 0x00000000, 0x00000000, + }, + }, + }, + { + .name = "destination_pitch", + .format = DRM_FORMAT_XRGB8888_A8, + .clip = DRM_RECT_INIT(0, 0, 3, 3), + .src_pitches = { 3 * 4, 3 * 1 }, + .src = { + { + 0xFF0E449C, 0xFF114D05, 0xFFA8F303, + 0xFF6CF073, 0xFF0E449C, 0xFF114D05, + 0xFFA80303, 0xFF6CF073, 0xFF0E449C, + }, + { + 0xB2C1B1A1, + 0xD2A3D1A2, + 0xFFFFFFC2, + }, + }, + .dst_pitches = { 5 * 4, 5 * 1 }, + .expected = { + { + 0xFF0E449C, 0xFF114D05, 0xFFA8F303, 0x00000000, 0x00000000, + 0xFF6CF073, 0xFF0E449C, 0xFF114D05, 0x00000000, 0x00000000, + 0xFFA80303, 0xFF6CF073, 0xFF0E449C, 0x00000000, 0x00000000, + }, + { + 0x00C1B1A1, + 0xD1A2B200, + 0xD2A30000, + 0xFF0000C2, + }, + }, + }, + { + .name = "destination_pitch", + .format = DRM_FORMAT_YUV444, + .clip = DRM_RECT_INIT(0, 0, 3, 3), + .src_pitches = { 3 * 1, 3 * 1, 3 * 1 }, + .src = { + { + 0xBAC1323D, + 0xBA34323D, + 0xFFFFFF3D, + }, + { + 0xE1ABEC2A, + 0xE1EAEC2A, + 0xFFFFFF2A, + }, + { + 0xBCEBE4D7, + 0xBC65E4D7, + 0xFFFFFFD7, + }, + }, + .dst_pitches = { 5 * 1, 5 * 1, 5 * 1 }, + .expected = { + { + 0x00C1323D, + 0x323DBA00, + 0xBA340000, + 0xFF00003D, + }, + { + 0x00ABEC2A, + 0xEC2AE100, + 0xE1EA0000, + 0xFF00002A, + }, + { + 0x00EBE4D7, + 0xE4D7BC00, + 0xBC650000, + 0xFF0000D7, + }, + }, + }, +}; + +static void fb_memcpy_case_desc(struct fb_memcpy_case *t, char *desc) +{ + snprintf(desc, KUNIT_PARAM_DESC_SIZE, "%s: %p4cc", t->name, &t->format); +} + +KUNIT_ARRAY_PARAM(fb_memcpy, fb_memcpy_cases, fb_memcpy_case_desc); + +static void drm_test_fb_memcpy(struct kunit *test) +{ + const struct fb_memcpy_case *params = test->param_value; + size_t dst_size[DRM_FORMAT_MAX_PLANES] = { 0 }; + u32 *buf[DRM_FORMAT_MAX_PLANES] = { 0 }; + __le32 *src_cp[DRM_FORMAT_MAX_PLANES] = { 0 }; + __le32 *expected[DRM_FORMAT_MAX_PLANES] = { 0 }; + struct iosys_map dst[DRM_FORMAT_MAX_PLANES]; + struct iosys_map src[DRM_FORMAT_MAX_PLANES]; + + struct drm_framebuffer fb = { + .format = drm_format_info(params->format), + }; + + memcpy(fb.pitches, params->src_pitches, DRM_FORMAT_MAX_PLANES * sizeof(int)); + + for (size_t i = 0; i < fb.format->num_planes; i++) { + dst_size[i] = conversion_buf_size(params->format, params->dst_pitches[i], + ¶ms->clip, i); + KUNIT_ASSERT_GT(test, dst_size[i], 0); + + buf[i] = kunit_kzalloc(test, dst_size[i], GFP_KERNEL); + KUNIT_ASSERT_NOT_ERR_OR_NULL(test, buf[i]); + iosys_map_set_vaddr(&dst[i], buf[i]); + + src_cp[i] = cpubuf_to_le32(test, params->src[i], TEST_BUF_SIZE); + iosys_map_set_vaddr(&src[i], src_cp[i]); + } + + const unsigned int *dst_pitches = params->dst_pitches[0] == TEST_USE_DEFAULT_PITCH ? NULL : + params->dst_pitches; + + drm_fb_memcpy(dst, dst_pitches, src, &fb, ¶ms->clip); + + for (size_t i = 0; i < fb.format->num_planes; i++) { + expected[i] = cpubuf_to_le32(test, params->expected[i], TEST_BUF_SIZE); + KUNIT_EXPECT_MEMEQ_MSG(test, buf[i], expected[i], dst_size[i], + "Failed expectation on plane %zu", i); + + memset(buf[i], 0, dst_size[i]); + } + + drm_fb_memcpy(dst, dst_pitches, src, &fb, ¶ms->clip); + + for (size_t i = 0; i < fb.format->num_planes; i++) { + expected[i] = cpubuf_to_le32(test, params->expected[i], TEST_BUF_SIZE); + KUNIT_EXPECT_MEMEQ_MSG(test, buf[i], expected[i], dst_size[i], + "Failed expectation on plane %zu", i); + } +} + +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_bgr888, 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), + KUNIT_CASE_PARAM(drm_test_fb_swab, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xbgr8888, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_abgr8888, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_clip_offset, clip_offset_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_memcpy, fb_memcpy_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>"); |