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| author | Carlos Eduardo Gallo Filho <gcarlos@disroot.org> | 2024-09-10 21:15:32 -0300 |
|---|---|---|
| committer | Maxime Ripard <mripard@kernel.org> | 2024-09-11 14:17:10 +0200 |
| commit | 3b3732b0d30fa2bb07c2b7f95df9b33b75e32d07 (patch) | |
| tree | 60199a411c5b989e69f95aec002cc78eea5a3c42 /drivers/gpu/drm/tests | |
| parent | 1bb74f6cc3d593fff7c96314ec4901a4055cbf17 (diff) | |
| download | lwn-3b3732b0d30fa2bb07c2b7f95df9b33b75e32d07.tar.gz lwn-3b3732b0d30fa2bb07c2b7f95df9b33b75e32d07.zip | |
drm/tests: Add test for drm_framebuffer_lookup()
Add two KUnit test cases for the drm_framebuffer_lookup function, one
for the base case, that tests if the lookup finds the correct framebuffer
object and another that tests the lookup for an inexistent framebuffer.
Signed-off-by: Carlos Eduardo Gallo Filho <gcarlos@disroot.org>
Acked-by: Maxime Ripard <mripard@kernel.org>
Link: https://patchwork.freedesktop.org/patch/msgid/20240911001559.28284-8-gcarlos@disroot.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>
Diffstat (limited to 'drivers/gpu/drm/tests')
| -rw-r--r-- | drivers/gpu/drm/tests/drm_framebuffer_test.c | 41 |
1 files changed, 41 insertions, 0 deletions
diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c index 908583d74b20..e11b5bc9a105 100644 --- a/drivers/gpu/drm/tests/drm_framebuffer_test.c +++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c @@ -529,10 +529,51 @@ static void drm_test_framebuffer_cleanup(struct kunit *test) KUNIT_ASSERT_EQ(test, dev->mode_config.num_fb, 0); } +/* + * Initialize a framebuffer, lookup its id and test if the returned reference + * matches. + */ +static void drm_test_framebuffer_lookup(struct kunit *test) +{ + struct drm_framebuffer_test_priv *priv = test->priv; + struct drm_device *dev = &priv->dev; + struct drm_format_info format = { }; + struct drm_framebuffer expected_fb = { .dev = dev, .format = &format }; + struct drm_framebuffer *returned_fb; + uint32_t id = 0; + int ret; + + ret = drm_framebuffer_init(dev, &expected_fb, NULL); + KUNIT_ASSERT_EQ(test, ret, 0); + id = expected_fb.base.id; + + /* Looking for expected_fb */ + returned_fb = drm_framebuffer_lookup(dev, NULL, id); + KUNIT_EXPECT_PTR_EQ(test, returned_fb, &expected_fb); + drm_framebuffer_put(returned_fb); + + drm_framebuffer_cleanup(&expected_fb); +} + +/* Try to lookup an id that is not linked to a framebuffer */ +static void drm_test_framebuffer_lookup_inexistent(struct kunit *test) +{ + struct drm_framebuffer_test_priv *priv = test->priv; + struct drm_device *dev = &priv->dev; + struct drm_framebuffer *fb; + uint32_t id = 0; + + /* Looking for an inexistent framebuffer */ + fb = drm_framebuffer_lookup(dev, NULL, id); + KUNIT_EXPECT_NULL(test, fb); +} + static struct kunit_case drm_framebuffer_tests[] = { KUNIT_CASE_PARAM(drm_test_framebuffer_check_src_coords, check_src_coords_gen_params), KUNIT_CASE(drm_test_framebuffer_cleanup), KUNIT_CASE_PARAM(drm_test_framebuffer_create, drm_framebuffer_create_gen_params), + KUNIT_CASE(drm_test_framebuffer_lookup), + KUNIT_CASE(drm_test_framebuffer_lookup_inexistent), KUNIT_CASE(drm_test_framebuffer_modifiers_not_supported), { } }; |