struct drm_plane_state *plane_state = drm_atomic_get_new_plane_state(state, plane);
struct drm_plane_state *old_plane_state = drm_atomic_get_old_plane_state(state, plane);
struct drm_shadow_plane_state *shadow_plane_state = to_drm_shadow_plane_state(plane_state);
+ struct drm_atomic_helper_damage_iter iter;
struct drm_device *drm = plane->dev;
- struct drm_rect src_clip, dst_clip;
+ struct drm_rect dst_clip;
+ struct drm_rect damage;
int idx;
- if (!drm_atomic_helper_damage_merged(old_plane_state, plane_state, &src_clip))
+ if (!drm_dev_enter(drm, &idx))
return;
- dst_clip = plane_state->dst;
- if (!drm_rect_intersect(&dst_clip, &src_clip))
- return;
+ drm_atomic_helper_damage_iter_init(&iter, old_plane_state, plane_state);
+ drm_atomic_for_each_plane_damage(&iter, &damage) {
+ dst_clip = plane_state->dst;
- if (!drm_dev_enter(drm, &idx))
- return;
+ if (!drm_rect_intersect(&dst_clip, &damage))
+ continue;
- ssd130x_fb_blit_rect(plane_state->fb, &shadow_plane_state->data[0], &dst_clip);
+ ssd130x_fb_blit_rect(plane_state->fb, &shadow_plane_state->data[0], &dst_clip);
+ }
drm_dev_exit(idx);
}