drm/atomic: Convert drm_atomic_get_plane_state() to use new plane state

The drm_atomic_get_plane_state() function calls the deprecated
drm_atomic_get_existing_plane_state() helper to get find if a plane
state had already been allocated and was part of the given
drm_atomic_state.

At the point in time where drm_atomic_get_plane_state() can be called
(ie, during atomic_check), the existing state is the new state and
drm_atomic_get_existing_plane_state() can thus be replaced by
drm_atomic_get_new_plane_state().

Reviewed-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://lore.kernel.org/r/20250930-drm-no-more-existing-state-v5-5-eeb9e1287907@kernel.org
Signed-off-by: Maxime Ripard <mripard@kernel.org>

diff --git a/drivers/gpu/drm/drm_atomic.c b/drivers/gpu/drm/drm_atomic.c
index eeae4553894c1494106ba054af5c90e46abf703f..878ded3220eea235818e6b057a6c1d498b7b45c3 100644 (file)
--- a/drivers/gpu/drm/drm_atomic.c
+++ b/drivers/gpu/drm/drm_atomic.c
@@ -534,7 +534,7 @@ drm_atomic_get_plane_state(struct drm_atomic_state *state,
        WARN_ON(plane->old_fb);
        WARN_ON(plane->crtc);
 
-       plane_state = drm_atomic_get_existing_plane_state(state, plane);
+       plane_state = drm_atomic_get_new_plane_state(state, plane);
        if (plane_state)
                return plane_state;