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

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

Reviewed-by: Mika Kahola <mika.kahola@intel.com>
Link: https://lore.kernel.org/r/20250805073700.642107-15-imre.deak@intel.com
Signed-off-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Imre Deak 2025-08-05 10:36:55 +03:00
parent faf4f2a026
commit c96ba5883d
1 changed files with 0 additions and 24 deletions
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24
drivers/gpu/drm/i915/display/intel_tc.c
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@ -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);