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

Imre Deak imre.deak at intel.com
Tue Aug 5 07:36:55 UTC 2025


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

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



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