amdgpu_dm_check_crtc_color_mgmt
ret = amdgpu_dm_check_crtc_color_mgmt(dm_new_crtc_state, true);
int amdgpu_dm_check_crtc_color_mgmt(struct dm_crtc_state *crtc,
ret = amdgpu_dm_check_crtc_color_mgmt(crtc, false);