Re: [PATCH v7 29/36] drm/vc4: tests: Remove vc4_dummy_plane structure

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On 2/22/24 15:14, Maxime Ripard wrote:
The vc4_dummy_plane structure is an exact equivalent to vc4_plane, so we

Maybe I understood incorrectly, but isn't the vc4_dummy_plane structure equivalent to drm_plane?

Best Regards,
- Maíra

don't need it.

Signed-off-by: Maxime Ripard <mripard@xxxxxxxxxx>
---
  drivers/gpu/drm/vc4/tests/vc4_mock.c       |  6 ++----
  drivers/gpu/drm/vc4/tests/vc4_mock.h       |  9 ++-------
  drivers/gpu/drm/vc4/tests/vc4_mock_plane.c | 14 +++++---------
  3 files changed, 9 insertions(+), 20 deletions(-)

diff --git a/drivers/gpu/drm/vc4/tests/vc4_mock.c b/drivers/gpu/drm/vc4/tests/vc4_mock.c
index becb3dbaa548..0731a7d85d7a 100644
--- a/drivers/gpu/drm/vc4/tests/vc4_mock.c
+++ b/drivers/gpu/drm/vc4/tests/vc4_mock.c
@@ -109,16 +109,14 @@ static const struct vc4_mock_desc vc5_mock =
  static int __build_one_pipe(struct kunit *test, struct drm_device *drm,
  			    const struct vc4_mock_pipe_desc *pipe)
  {
-	struct vc4_dummy_plane *dummy_plane;
  	struct drm_plane *plane;
  	struct vc4_dummy_crtc *dummy_crtc;
  	struct drm_crtc *crtc;
  	unsigned int i;
- dummy_plane = vc4_dummy_plane(test, drm, DRM_PLANE_TYPE_PRIMARY);
-	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dummy_plane);
+	plane = vc4_dummy_plane(test, drm, DRM_PLANE_TYPE_PRIMARY);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, plane);
- plane = &dummy_plane->plane.base;
  	dummy_crtc = vc4_mock_pv(test, drm, plane, pipe->data);
  	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dummy_crtc);
diff --git a/drivers/gpu/drm/vc4/tests/vc4_mock.h b/drivers/gpu/drm/vc4/tests/vc4_mock.h
index 2d0b339bd9f3..002b6218960c 100644
--- a/drivers/gpu/drm/vc4/tests/vc4_mock.h
+++ b/drivers/gpu/drm/vc4/tests/vc4_mock.h
@@ -21,13 +21,8 @@ struct drm_crtc *vc4_find_crtc_for_encoder(struct kunit *test,
  	return NULL;
  }
-struct vc4_dummy_plane {
-	struct vc4_plane plane;
-};
-
-struct vc4_dummy_plane *vc4_dummy_plane(struct kunit *test,
-					struct drm_device *drm,
-					enum drm_plane_type type);
+struct drm_plane *vc4_dummy_plane(struct kunit *test, struct drm_device *drm,
+				  enum drm_plane_type type);
struct vc4_dummy_crtc {
  	struct vc4_crtc crtc;
diff --git a/drivers/gpu/drm/vc4/tests/vc4_mock_plane.c b/drivers/gpu/drm/vc4/tests/vc4_mock_plane.c
index 62b18f5f41db..973f5f929097 100644
--- a/drivers/gpu/drm/vc4/tests/vc4_mock_plane.c
+++ b/drivers/gpu/drm/vc4/tests/vc4_mock_plane.c
@@ -22,15 +22,12 @@ static const uint32_t vc4_dummy_plane_formats[] = {
  	DRM_FORMAT_XRGB8888,
  };
-struct vc4_dummy_plane *vc4_dummy_plane(struct kunit *test,
-					struct drm_device *drm,
-					enum drm_plane_type type)
+struct drm_plane *vc4_dummy_plane(struct kunit *test, struct drm_device *drm,
+				  enum drm_plane_type type)
  {
-	struct vc4_dummy_plane *dummy_plane;
  	struct drm_plane *plane;
- dummy_plane = drmm_universal_plane_alloc(drm,
-						 struct vc4_dummy_plane, plane.base,
+	plane = __drmm_universal_plane_alloc(drm, sizeof(struct drm_plane), 0,
  						 0,
  						 &vc4_dummy_plane_funcs,
  						 vc4_dummy_plane_formats,
@@ -38,10 +35,9 @@ struct vc4_dummy_plane *vc4_dummy_plane(struct kunit *test,
  						 NULL,
  						 DRM_PLANE_TYPE_PRIMARY,
  						 NULL);
-	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, dummy_plane);
+	KUNIT_ASSERT_NOT_ERR_OR_NULL(test, plane);
- plane = &dummy_plane->plane.base;
  	drm_plane_helper_add(plane, &vc4_dummy_plane_helper_funcs);
- return dummy_plane;
+	return plane;
  }





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