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drm/format-helper: Add Kunit tests for drm_fb_xrgb8888_to_mono()

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Extend the existing test cases to test the conversion from XRGB8888 to
monochromatic.

Signed-off-by: Arthur Grillo <arthurgrillo@riseup.net>
Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Signed-off-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230311125141.564801-2-arthurgrillo@riseup.net
This commit is contained in:
Arthur Grillo
2023-03-11 09:51:40 -03:00
committed by Javier Martinez Canillas
parent b24343eace
commit 00000922a3
1 changed files with 62 additions and 0 deletions
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62
drivers/gpu/drm/tests/drm_format_helper_test.c
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@@ -67,6 +67,11 @@ struct convert_to_argb2101010_result {
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;
@@ -82,6 +87,7 @@ struct convert_xrgb8888_case {
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[] = {
@@ -131,6 +137,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
.dst_pitch = 0,
.expected = { 0xFFF00000 },
},
.mono_result = {
.dst_pitch = 0,
.expected = { 0b0 },
},
},
{
.name = "single_pixel_clip_rectangle",
@@ -181,6 +191,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
.dst_pitch = 0,
.expected = { 0xFFF00000 },
},
.mono_result = {
.dst_pitch = 0,
.expected = { 0b0 },
},
},
{
/* Well known colors: White, black, red, green, blue, magenta,
@@ -293,6 +307,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0xFFFFFC00, 0xC00FFFFF,
},
},
.mono_result = {
.dst_pitch = 0,
.expected = {
0b01,
0b10,
0b00,
0b11,
},
},
},
{
/* Randomly picked colors. Full buffer within the clip area. */
@@ -392,6 +415,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0xEA20300C, 0xDB1705CD, 0xC3844672, 0x00000000, 0x00000000,
},
},
.mono_result = {
.dst_pitch = 2,
.expected = {
0b000, 0b000,
0b000, 0b000,
0b000, 0b000,
},
},
},
};
@@ -792,6 +823,36 @@ static void drm_test_fb_xrgb8888_to_argb2101010(struct kunit *test)
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 = &params->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, &params->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, &params->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),
@@ -803,6 +864,7 @@ static struct kunit_case drm_format_helper_test_cases[] = {
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),
{}
};