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author | José Expósito <jose.exposito89@gmail.com> | 2022-09-26 10:08:36 +0200 |
---|---|---|
committer | José Expósito <jose.exposito89@gmail.com> | 2022-09-27 19:41:51 +0200 |
commit | 453114319699b6bec2f2ab9bd87617ba25f6215e (patch) | |
tree | 64db19ea25cc32af34705a73d066fb4f4b397578 /drivers/gpu/drm/tests/drm_format_helper_test.c | |
parent | f3f716ae5d827fbbdf994c9d5b05d05fe33c8ced (diff) | |
download | linux-stable-453114319699b6bec2f2ab9bd87617ba25f6215e.tar.gz linux-stable-453114319699b6bec2f2ab9bd87617ba25f6215e.tar.bz2 linux-stable-453114319699b6bec2f2ab9bd87617ba25f6215e.zip |
drm/format-helper: Add KUnit tests for drm_fb_xrgb8888_to_xrgb2101010()
Extend the existing test cases to test the conversion from XRGB8888 to
XRGB2101010.
In order to be able to call drm_fb_xrgb8888_to_xrgb2101010() when
compiling CONFIG_DRM_KMS_HELPER as a module export the symbol.
Tested-by: Maíra Canal <mairacanal@riseup.net>
Reviewed-by: David Gow <davidgow@google.com>
Acked-by: Maxime Ripard <maxime@cerno.tech>
Signed-off-by: José Expósito <jose.exposito89@gmail.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220926080837.65734-3-jose.exposito89@gmail.com
Diffstat (limited to 'drivers/gpu/drm/tests/drm_format_helper_test.c')
-rw-r--r-- | drivers/gpu/drm/tests/drm_format_helper_test.c | 63 |
1 files changed, 63 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 index bc830601e7a2..4a2f3c0de060 100644 --- a/drivers/gpu/drm/tests/drm_format_helper_test.c +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c @@ -32,6 +32,11 @@ struct convert_to_rgb888_result { const u8 expected[TEST_BUF_SIZE]; }; +struct convert_to_xrgb2101010_result { + unsigned int dst_pitch; + const u32 expected[TEST_BUF_SIZE]; +}; + struct convert_xrgb8888_case { const char *name; unsigned int pitch; @@ -40,6 +45,7 @@ struct convert_xrgb8888_case { struct convert_to_rgb332_result rgb332_result; struct convert_to_rgb565_result rgb565_result; struct convert_to_rgb888_result rgb888_result; + struct convert_to_xrgb2101010_result xrgb2101010_result; }; static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { @@ -61,6 +67,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .dst_pitch = 0, .expected = { 0x00, 0x00, 0xFF }, }, + .xrgb2101010_result = { + .dst_pitch = 0, + .expected = { 0x3FF00000 }, + }, }, { .name = "single_pixel_clip_rectangle", @@ -83,6 +93,10 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { .dst_pitch = 0, .expected = { 0x00, 0x00, 0xFF }, }, + .xrgb2101010_result = { + .dst_pitch = 0, + .expected = { 0x3FF00000 }, + }, }, { /* Well known colors: White, black, red, green, blue, magenta, @@ -132,6 +146,15 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0x00, }, }, + .xrgb2101010_result = { + .dst_pitch = 0, + .expected = { + 0x3FFFFFFF, 0x00000000, + 0x3FF00000, 0x000FFC00, + 0x000003FF, 0x3FF003FF, + 0x3FFFFC00, 0x000FFFFF, + }, + }, }, { /* Randomly picked colors. Full buffer within the clip area. */ @@ -175,6 +198,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, }, }, + .xrgb2101010_result = { + .dst_pitch = 20, + .expected = { + 0x03844672, 0x0444D414, 0x2A20300C, 0x00000000, 0x00000000, + 0x1B1705CD, 0x03844672, 0x0444D414, 0x00000000, 0x00000000, + 0x2A20300C, 0x1B1705CD, 0x03844672, 0x00000000, 0x00000000, + }, + }, }, }; @@ -319,10 +350,42 @@ static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test) KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); } +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; + __u32 *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 = le32buf_to_cpu(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, TEST_BUF_SIZE); + KUNIT_EXPECT_EQ(test, memcmp(buf, result->expected, dst_size), 0); +} + static struct kunit_case drm_format_helper_test_cases[] = { 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_rgb888, convert_xrgb8888_gen_params), + KUNIT_CASE_PARAM(drm_test_fb_xrgb8888_to_xrgb2101010, convert_xrgb8888_gen_params), {} }; |