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drm/vc4: Switch to container_of_const

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container_of_const() allows to preserve the pointer constness and is
thus more flexible than inline functions.

Let's switch all our instances of container_of() to
container_of_const().

Reviewed-by: Javier Martinez Canillas <javierm@redhat.com>
Link: https://lore.kernel.org/r/20221207-rpi-hdmi-improvements-v3-1-bdd54f66884e@cerno.tech
Signed-off-by: Maxime Ripard <maxime@cerno.tech>
This commit is contained in:
Maxime Ripard
2023-03-06 11:46:42 +01:00
parent 322d716a3e
commit 5a46e490e4
10 changed files with 51 additions and 106 deletions
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3
drivers/gpu/drm/vc4/tests/vc4_mock.h
View File

@@ -43,6 +43,9 @@ struct vc4_dummy_output {
struct drm_connector connector;
};
#define encoder_to_vc4_dummy_output(_enc) \
container_of_const(_enc, struct vc4_dummy_output, encoder.base)
struct vc4_dummy_output *vc4_dummy_output(struct kunit *test,
struct drm_device *drm,
struct drm_crtc *crtc,

4
drivers/gpu/drm/vc4/tests/vc4_mock_output.c
View File

@@ -80,7 +80,7 @@ int vc4_mock_atomic_add_output(struct kunit *test,
crtc = vc4_find_crtc_for_encoder(test, drm, encoder);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc);
output = container_of(encoder, struct vc4_dummy_output, encoder.base);
output = encoder_to_vc4_dummy_output(encoder);
conn = &output->connector;
conn_state = drm_atomic_get_connector_state(state, conn);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);
@@ -126,7 +126,7 @@ int vc4_mock_atomic_del_output(struct kunit *test,
ret = drm_atomic_set_mode_for_crtc(crtc_state, NULL);
KUNIT_ASSERT_EQ(test, ret, 0);
output = container_of(encoder, struct vc4_dummy_output, encoder.base);
output = encoder_to_vc4_dummy_output(encoder);
conn = &output->connector;
conn_state = drm_atomic_get_connector_state(state, conn);
KUNIT_ASSERT_NOT_ERR_OR_NULL(test, conn_state);