struct drm_framebuffer *fb = plane_state->fb;
struct drm_device *dev = plane->dev;
struct simpledrm_device *sdev = simpledrm_device_of_dev(dev);
- struct iosys_map dst = IOSYS_MAP_INIT_VADDR(sdev->screen_base);
- struct drm_rect src_clip, dst_clip;
+ struct drm_atomic_helper_damage_iter iter;
+ struct drm_rect damage;
int idx;
- if (!drm_atomic_helper_damage_merged(old_plane_state, plane_state, &src_clip))
+ if (!drm_dev_enter(dev, &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) {
+ struct iosys_map dst = IOSYS_MAP_INIT_VADDR(sdev->screen_base);
+ struct drm_rect dst_clip = plane_state->dst;
- if (!drm_dev_enter(dev, &idx))
- return;
+ if (!drm_rect_intersect(&dst_clip, &damage))
+ continue;
- iosys_map_incr(&dst, drm_fb_clip_offset(sdev->pitch, sdev->format, &dst_clip));
- drm_fb_blit(&dst, &sdev->pitch, sdev->format->format, shadow_plane_state->data, fb,
- &src_clip);
+ iosys_map_incr(&dst, drm_fb_clip_offset(sdev->pitch, sdev->format, &dst_clip));
+ drm_fb_blit(&dst, &sdev->pitch, sdev->format->format, shadow_plane_state->data, fb,
+ &damage);
+ }
drm_dev_exit(idx);
}