intel_color_uses_dsb
if (!intel_color_uses_dsb(crtc_state))
bool intel_color_uses_dsb(const struct intel_crtc_state *crtc_state);
!intel_color_uses_dsb(crtc_state) &&
!intel_color_uses_dsb(new_crtc_state) &&
if (intel_color_uses_dsb(new_crtc_state) ||