[PATCH 14/19] drm/i915/tc: Unify the way to get the max lane count value on MTL+

[Kahola, Mika]

> -----Original Message-----
> From: Intel-xe <intel-xe-bounces at lists.freedesktop.org> On Behalf Of Imre Deak
> Sent: Tuesday, 5 August 2025 10.37
> To: intel-gfx at lists.freedesktop.org; intel-xe at lists.freedesktop.org
> Subject: [PATCH 14/19] 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: Mika Kahola <mika.kahola at intel.com>

> Signed-off-by: Imre Deak <imre.deak at intel.com>
> ---
>  drivers/gpu/drm/i915/display/intel_tc.c | 24 ------------------------
>  1 file changed, 24 deletions(-)
> 
> diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c
> index 5b044ece815df..77c5a37450a26 100644
> --- a/drivers/gpu/drm/i915/display/intel_tc.c
> +++ b/drivers/gpu/drm/i915/display/intel_tc.c
> @@ -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);
> 
> --
> 2.49.1