intel_dp_link_symbol_clock
return SILENCE_PERIOD_TIME * intel_dp_link_symbol_clock(crtc_state->port_clock) /
u32 link_symbol_clock = intel_dp_link_symbol_clock(link_clock);
int intel_dp_link_symbol_clock(int rate);
return div64_u64(mul_u32_u32(intel_dp_link_symbol_clock(crtc_state->port_clock) * 72,