This reverts commit d2194256049910d286cd6c308c2689df521d8842. Intel CI consistently hits a WARN in drm_framebuffer_free() with this test, because the fb->filp_head list is uninitialized.
Link: https://lore.kernel.org/r/87plp7ex27....@intel.com Fixes: d21942560499 ("drm/tests: Add test for drm_framebuffer_free()") Cc: Carlos Eduardo Gallo Filho <gcar...@disroot.org> Cc: Maxime Ripard <mrip...@kernel.org> Cc: Maarten Lankhorst <maarten.lankho...@linux.intel.com> Cc: Thomas Zimmermann <tzimmerm...@suse.de> Cc: Jeff Johnson <quic_jjohn...@quicinc.com> Signed-off-by: Jani Nikula <jani.nik...@intel.com> --- drivers/gpu/drm/drm_mode_object.c | 1 - drivers/gpu/drm/tests/drm_framebuffer_test.c | 50 -------------------- 2 files changed, 51 deletions(-) diff --git a/drivers/gpu/drm/drm_mode_object.c b/drivers/gpu/drm/drm_mode_object.c index e943205a2394..df4cc0e8e263 100644 --- a/drivers/gpu/drm/drm_mode_object.c +++ b/drivers/gpu/drm/drm_mode_object.c @@ -81,7 +81,6 @@ int drm_mode_object_add(struct drm_device *dev, { return __drm_mode_object_add(dev, obj, obj_type, true, NULL); } -EXPORT_SYMBOL_FOR_TESTS_ONLY(drm_mode_object_add); void drm_mode_object_register(struct drm_device *dev, struct drm_mode_object *obj) diff --git a/drivers/gpu/drm/tests/drm_framebuffer_test.c b/drivers/gpu/drm/tests/drm_framebuffer_test.c index 6ea04cc8f324..72314805839d 100644 --- a/drivers/gpu/drm/tests/drm_framebuffer_test.c +++ b/drivers/gpu/drm/tests/drm_framebuffer_test.c @@ -358,7 +358,6 @@ static const struct drm_framebuffer_test drm_framebuffer_create_cases[] = { struct drm_framebuffer_test_priv { struct drm_device dev; bool buffer_created; - bool buffer_freed; }; static struct drm_framebuffer *fb_create_mock(struct drm_device *dev, @@ -650,59 +649,10 @@ static void drm_test_framebuffer_init_dev_mismatch(struct kunit *test) KUNIT_EXPECT_EQ(test, ret, -EINVAL); } -static void destroy_free_mock(struct drm_framebuffer *fb) -{ - struct drm_framebuffer_test_priv *priv = container_of(fb->dev, typeof(*priv), dev); - - priv->buffer_freed = true; -} - -static struct drm_framebuffer_funcs framebuffer_funcs_free_mock = { - .destroy = destroy_free_mock, -}; - -/* - * In summary, the drm_framebuffer_free() function must implicitly call - * fb->funcs->destroy() and garantee that the framebufer object is unregistered - * from the drm_device idr pool. - */ -static void drm_test_framebuffer_free(struct kunit *test) -{ - struct drm_framebuffer_test_priv *priv = test->priv; - struct drm_device *dev = &priv->dev; - struct drm_mode_object *obj; - struct drm_framebuffer fb = { - .dev = dev, - .funcs = &framebuffer_funcs_free_mock, - }; - int id, ret; - - priv->buffer_freed = false; - - /* - * Mock a framebuffer that was not unregistered at the moment of the - * drm_framebuffer_free() call. - */ - ret = drm_mode_object_add(dev, &fb.base, DRM_MODE_OBJECT_FB); - KUNIT_ASSERT_EQ(test, ret, 0); - id = fb.base.id; - - drm_framebuffer_free(&fb.base.refcount); - - /* The framebuffer object must be unregistered */ - obj = drm_mode_object_find(dev, NULL, id, DRM_MODE_OBJECT_FB); - KUNIT_EXPECT_PTR_EQ(test, obj, NULL); - KUNIT_EXPECT_EQ(test, fb.base.id, 0); - - /* Test if fb->funcs->destroy() was called */ - KUNIT_EXPECT_EQ(test, priv->buffer_freed, true); -} - 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_free), KUNIT_CASE(drm_test_framebuffer_init), KUNIT_CASE(drm_test_framebuffer_init_bad_format), KUNIT_CASE(drm_test_framebuffer_init_dev_mismatch), -- 2.39.2
