drm/vc4: tests: Drop drm parameter for vc4_find_crtc_for_encoder

The DRM device pointer and the DRM encoder pointer are redundant, since
the latter is attached to the former and we can just follow the
drm_encoder->dev pointer.

Let's remove the drm_device pointer argument.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>

Author: mripard

drivers/gpu/drm/vc4/tests/vc4_mock.h

@@ -7,9 +7,9 @@
 
 static inline
 struct drm_crtc *vc4_find_crtc_for_encoder(struct kunit *test,
-					   struct drm_device *drm,
 					   struct drm_encoder *encoder)
 {
+	struct drm_device *drm = encoder->dev;
 	struct drm_crtc *crtc;
 
 	KUNIT_ASSERT_EQ(test, hweight32(encoder->possible_crtcs), 1);

drivers/gpu/drm/vc4/tests/vc4_mock_output.c

@@ -79,7 +79,7 @@ vc4_mock_atomic_add_output(struct kunit *test,
 	if (!encoder)
 		return -ENODEV;
 
-	crtc = vc4_find_crtc_for_encoder(test, drm, encoder);
+	crtc = vc4_find_crtc_for_encoder(test, encoder);
 	if (!crtc)
 		return -ENODEV;
 
@@ -123,7 +123,7 @@ int vc4_mock_atomic_del_output(struct kunit *test,
 	if (!encoder)
 		return -ENODEV;
 
-	crtc = vc4_find_crtc_for_encoder(test, drm, encoder);
+	crtc = vc4_find_crtc_for_encoder(test, encoder);
 	if (!crtc)
 		return -ENODEV;
 

drivers/gpu/drm/vc4/tests/vc4_test_pv_muxing.c

@@ -145,7 +145,7 @@ get_vc4_crtc_state_for_encoder(struct kunit *test,
 	encoder = vc4_find_encoder_by_type(drm, type);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, encoder);
 
-	crtc = vc4_find_crtc_for_encoder(test, drm, encoder);
+	crtc = vc4_find_crtc_for_encoder(test, encoder);
 	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, crtc);
 
 	new_crtc_state = drm_atomic_get_new_crtc_state(state, crtc);