[PATCH] drm/tests: Add KUnit tests for drm_fb_blit()
Maira Canal
mairacanal at riseup.net
Mon Sep 4 21:10:45 UTC 2023
Hi Arthur,
On 9/1/23 14:08, Arthur Grillo wrote:
> Insert parameterized test for the drm_fb_blit() to ensure correctness
> and prevent future regressions.
>
> The test is done by adding a call to drm_fb_blit() on every format
> that has support. Also, to fully test the function, add new format
> conversion tests.
Wouldn't be better to separate this patches into two patches: one adding
new format conversion tests and another adding a call to drm_fb_blit()?
Best Regards,
- Maíra
>
> Signed-off-by: Arthur Grillo <arthurgrillo at riseup.net>
> ---
> drivers/gpu/drm/tests/drm_format_helper_test.c | 284 +++++++++++++++++++++++++
> 1 file changed, 284 insertions(+)
>
> diff --git a/drivers/gpu/drm/tests/drm_format_helper_test.c b/drivers/gpu/drm/tests/drm_format_helper_test.c
> index 79bc9d4bbd71..889287245b1e 100644
> --- a/drivers/gpu/drm/tests/drm_format_helper_test.c
> +++ b/drivers/gpu/drm/tests/drm_format_helper_test.c
> @@ -81,6 +81,16 @@ struct fb_swab_result {
> 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;
> @@ -98,6 +108,8 @@ struct convert_xrgb8888_case {
> 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[] = {
> @@ -155,6 +167,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
> .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",
> @@ -213,6 +233,14 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
> .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,
> @@ -343,6 +371,24 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
> 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. */
> @@ -458,6 +504,22 @@ static struct convert_xrgb8888_case convert_xrgb8888_cases[] = {
> 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,
> + },
> + },
> },
> };
>
> @@ -643,6 +705,18 @@ static void drm_test_fb_xrgb8888_to_rgb565(struct kunit *test)
> 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);
> +
> + buf = dst.vaddr;
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_RGB565, &src, &fb, ¶ms->clip);
> +
> + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> static void drm_test_fb_xrgb8888_to_xrgb1555(struct kunit *test)
> @@ -677,6 +751,18 @@ static void drm_test_fb_xrgb8888_to_xrgb1555(struct kunit *test)
> drm_fb_xrgb8888_to_xrgb1555(&dst, 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);
> +
> + buf = dst.vaddr; /* restore original value of buf */
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_XRGB1555, &src, &fb, ¶ms->clip);
> +
> + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> static void drm_test_fb_xrgb8888_to_argb1555(struct kunit *test)
> @@ -711,6 +797,18 @@ static void drm_test_fb_xrgb8888_to_argb1555(struct kunit *test)
> drm_fb_xrgb8888_to_argb1555(&dst, 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);
> +
> + buf = dst.vaddr; /* restore original value of buf */
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_ARGB1555, &src, &fb, ¶ms->clip);
> +
> + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> static void drm_test_fb_xrgb8888_to_rgba5551(struct kunit *test)
> @@ -745,6 +843,18 @@ static void drm_test_fb_xrgb8888_to_rgba5551(struct kunit *test)
> drm_fb_xrgb8888_to_rgba5551(&dst, 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);
> +
> + buf = dst.vaddr; /* restore original value of buf */
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_RGBA5551, &src, &fb, ¶ms->clip);
> +
> + buf = le16buf_to_cpu(test, (__force const __le16 *)buf, dst_size / sizeof(__le16));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test)
> @@ -782,6 +892,16 @@ static void drm_test_fb_xrgb8888_to_rgb888(struct kunit *test)
>
> drm_fb_xrgb8888_to_rgb888(&dst, dst_pitch, &src, &fb, ¶ms->clip);
> KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> +
> + buf = dst.vaddr; /* restore original value of buf */
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_RGB888, &src, &fb, ¶ms->clip);
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> static void drm_test_fb_xrgb8888_to_argb8888(struct kunit *test)
> @@ -816,6 +936,18 @@ static void drm_test_fb_xrgb8888_to_argb8888(struct kunit *test)
> drm_fb_xrgb8888_to_argb8888(&dst, 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);
> +
> + buf = dst.vaddr; /* restore original value of buf */
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_ARGB8888, &src, &fb, ¶ms->clip);
> +
> + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test)
> @@ -850,6 +982,17 @@ static void drm_test_fb_xrgb8888_to_xrgb2101010(struct kunit *test)
> drm_fb_xrgb8888_to_xrgb2101010(&dst, 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);
> +
> + buf = dst.vaddr; /* restore original value of buf */
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_XRGB2101010, &src, &fb,
> + ¶ms->clip);
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> static void drm_test_fb_xrgb8888_to_argb2101010(struct kunit *test)
> @@ -884,6 +1027,19 @@ static void drm_test_fb_xrgb8888_to_argb2101010(struct kunit *test)
> drm_fb_xrgb8888_to_argb2101010(&dst, 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);
> +
> + buf = dst.vaddr; /* restore original value of buf */
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_ARGB2101010, &src, &fb,
> + ¶ms->clip);
> +
> + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> static void drm_test_fb_xrgb8888_to_mono(struct kunit *test)
> @@ -951,6 +1107,119 @@ static void drm_test_fb_swab(struct kunit *test)
> 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);
> +
> + buf = dst.vaddr; /* restore original value of buf */
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + int blit_result;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_XRGB8888 | DRM_FORMAT_BIG_ENDIAN,
> + &src, &fb, ¶ms->clip);
> + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> +
> + buf = dst.vaddr;
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_BGRX8888, &src, &fb, ¶ms->clip);
> + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> +
> + buf = dst.vaddr;
> + memset(buf, 0, TEST_BUF_SIZE);
> +
> + struct drm_format_info mock_format = *fb.format;
> +
> + mock_format.format |= DRM_FORMAT_BIG_ENDIAN;
> + fb.format = &mock_format;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_XRGB8888, &src, &fb, ¶ms->clip);
> + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + 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;
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_ABGR8888, &src, &fb, ¶ms->clip);
> +
> + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + 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;
> +
> + int blit_result = 0;
> +
> + blit_result = drm_fb_blit(&dst, dst_pitch, DRM_FORMAT_XBGR8888, &src, &fb, ¶ms->clip);
> +
> + buf = le32buf_to_cpu(test, (__force const __le32 *)buf, dst_size / sizeof(u32));
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + KUNIT_EXPECT_MEMEQ(test, buf, result->expected, dst_size);
> }
>
> struct clip_offset_case {
> @@ -1543,6 +1812,19 @@ static void drm_test_fb_memcpy(struct kunit *test)
> KUNIT_EXPECT_MEMEQ_MSG(test, buf[i], expected[i], dst_size[i],
> "Failed expectation on plane %zu", i);
> }
> +
> + memset(*buf, 0, TEST_BUF_SIZE * DRM_FORMAT_MAX_PLANES);
> +
> + int blit_result;
> +
> + blit_result = drm_fb_blit(dst, dst_pitches, params->format, src, &fb, ¶ms->clip);
> +
> + KUNIT_EXPECT_FALSE(test, blit_result);
> + 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[] = {
> @@ -1558,6 +1840,8 @@ static struct kunit_case drm_format_helper_test_cases[] = {
> 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_build_fourcc_list, fb_build_fourcc_list_gen_params),
> KUNIT_CASE_PARAM(drm_test_fb_memcpy, fb_memcpy_gen_params),
>
> ---
> base-commit: 8e455145d8f163aefa6b9cc29478e0a9f82276e6
> change-id: 20230901-final-gsoc-395a84443c8f
>
> Best regards,
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