@@ -74,6 +74,11 @@ struct convert_to_mono_result {
const u8 expected[TEST_BUF_SIZE];
};
+struct fb_swab_result {
+ unsigned int dst_pitch;
+ const u32 expected[TEST_BUF_SIZE];
+};
+
struct convert_xrgb8888_case {
const char *name;
unsigned int pitch;
@@ -90,6 +95,7 @@ struct convert_xrgb8888_case {
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;
};
static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
@@ -143,6 +149,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
.dst_pitch = TEST_USE_DEFAULT_PITCH,
.expected = { 0b0 },
},
+ .swab_result = {
+ .dst_pitch = TEST_USE_DEFAULT_PITCH,
+ .expected = { 0x0000FF01 },
+ },
},
{
.name = "single_pixel_clip_rectangle",
@@ -197,6 +207,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
.dst_pitch = TEST_USE_DEFAULT_PITCH,
.expected = { 0b0 },
},
+ .swab_result = {
+ .dst_pitch = TEST_USE_DEFAULT_PITCH,
+ .expected = { 0x0000FF10 },
+ },
},
{
/* Well known colors: White, black, red, green, blue, magenta,
@@ -318,6 +332,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0b11,
},
},
+ .swab_result = {
+ .dst_pitch = TEST_USE_DEFAULT_PITCH,
+ .expected = {
+ 0xFFFFFF11, 0x00000022,
+ 0x0000FF33, 0x00FF0044,
+ 0xFF000055, 0xFF00FF66,
+ 0x00FFFF77, 0xFFFF0088,
+ },
+ },
},
{
/* Randomly picked colors. Full buffer within the clip area. */
@@ -425,6 +448,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
0b010, 0b000,
},
},
+ .swab_result = {
+ .dst_pitch = 20,
+ .expected = {
+ 0x9C440EA1, 0x054D11B1, 0x03F3A8C1, 0x00000000, 0x00000000,
+ 0x73F06CD1, 0x9C440EA2, 0x054D11B2, 0x00000000, 0x00000000,
+ 0x0303A8C2, 0x73F06CD2, 0x9C440EA3, 0x00000000, 0x00000000,
+ },
+ },
},
};
@@ -886,6 +917,40 @@ static void drm_test_fb_xrgb8888_to_mono(struct kunit *test)
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);
+
+ 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);
+ buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
+ 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),
@@ -898,6 +963,7 @@ static struct kunit_case drm_format_helper_test_cases[] = {
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),
{}
};