hsw_crtc_state_ips_capable
if (IS_BROADWELL(dev_priv) && hsw_crtc_state_ips_capable(crtc_state))
if (!hsw_crtc_state_ips_capable(crtc_state))
bool hsw_crtc_state_ips_capable(const struct intel_crtc_state *crtc_state);