Starting with Xe_LPDP, support for Type-C connections is provided by PICA and programming PORT_TX_DFLEXDPMLE1(*) registers is not applicable anymore. Those registers don't even exist in recent display IPs. As such, skip programming them. Bspec: 65750, 65448 Signed-off-by: Gustavo Sousa <gustavo.sousa@xxxxxxxxx> --- drivers/gpu/drm/i915/display/intel_tc.c | 3 +++ 1 file changed, 3 insertions(+) diff --git a/drivers/gpu/drm/i915/display/intel_tc.c b/drivers/gpu/drm/i915/display/intel_tc.c index 9887967b2ca5..6f2ee7dbc43b 100644 --- a/drivers/gpu/drm/i915/display/intel_tc.c +++ b/drivers/gpu/drm/i915/display/intel_tc.c @@ -393,6 +393,9 @@ void intel_tc_port_set_fia_lane_count(struct intel_digital_port *dig_port, bool lane_reversal = dig_port->saved_port_bits & DDI_BUF_PORT_REVERSAL; u32 val; + if (DISPLAY_VER(i915) >= 14) + return; + drm_WARN_ON(&i915->drm, lane_reversal && tc->mode != TC_PORT_LEGACY); -- 2.45.2