drm/vc4: tests: Add function to lookup a plane for a CRTC

Some tests will need to find a plane to run a test on for a given CRTC.
Let's create a small helper to do that.

Signed-off-by: Maxime Ripard <maxime@cerno.tech>
This commit is contained in:
Maxime Ripard
2023-04-14 11:26:58 +02:00
committed by Dom Cobley
parent ad21b8f36a
commit 18a91914c4

View File

@@ -21,6 +21,24 @@ struct drm_crtc *vc4_find_crtc_for_encoder(struct kunit *test,
return NULL;
}
static inline
struct drm_plane *vc4_mock_find_plane_for_crtc(struct kunit *test,
struct drm_crtc *crtc)
{
struct drm_device *drm = crtc->dev;
struct drm_plane *plane;
drm_for_each_plane(plane, drm)
if (plane->possible_crtcs & drm_crtc_mask(crtc))
return plane;
return NULL;
}
struct vc4_dummy_plane {
struct vc4_plane plane;
};
struct drm_plane *vc4_dummy_plane(struct kunit *test, struct drm_device *drm,
enum drm_plane_type type);