static const struct drm_crtc_funcs amdgpu_dm_crtc_funcs = {
.reset = dm_crtc_reset_state,
.destroy = amdgpu_dm_crtc_destroy,
- .gamma_set = drm_atomic_helper_legacy_gamma_set,
.set_config = drm_atomic_helper_set_config,
.page_flip = drm_atomic_helper_page_flip,
.atomic_duplicate_state = dm_crtc_duplicate_state,