Commit c96ba588 authored by Imre Deak's avatar Imre Deak
Browse files

drm/i915/tc: Unify the way to get the max lane count value on MTL+ 



Unify the way to get the max lane count value on all MTL+ platforms,
reducing the code duplication.

Reviewed-by: default avatarMika Kahola <mika.kahola@intel.com>
Link: https://lore.kernel.org/r/20250805073700.642107-15-imre.deak@intel.com


Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
parent faf4f2a0

drivers/gpu/drm/i915/display/intel_tc.c

+0 −24
Original line number Diff line number Diff line
@@ -322,27 +322,6 @@ get_pin_assignment(struct intel_tc_port *tc) 
	return pin_assignment;

}



static int lnl_tc_port_get_max_lane_count(struct intel_digital_port *dig_port)

{

	struct intel_tc_port *tc = to_tc_port(dig_port);

	enum intel_tc_pin_assignment pin_assignment;



	pin_assignment = get_pin_assignment(tc);



	switch (pin_assignment) {

	case INTEL_TC_PIN_ASSIGNMENT_NONE:

		return 0;

	default:

		MISSING_CASE(pin_assignment);

		fallthrough;

	case INTEL_TC_PIN_ASSIGNMENT_D:

		return 2;

	case INTEL_TC_PIN_ASSIGNMENT_C:

	case INTEL_TC_PIN_ASSIGNMENT_E:

		return 4;

	}

}



static int mtl_tc_port_get_max_lane_count(struct intel_digital_port *dig_port)

{

	struct intel_tc_port *tc = to_tc_port(dig_port);
@@ -395,9 +374,6 @@ static int get_max_lane_count(struct intel_tc_port *tc) 
	if (tc->mode != TC_PORT_DP_ALT)

		return 4;



	if (DISPLAY_VER(display) >= 20)

		return lnl_tc_port_get_max_lane_count(dig_port);



	if (DISPLAY_VER(display) >= 14)

		return mtl_tc_port_get_max_lane_count(dig_port);