drm/i915/display: For MTL+ platforms skip mg dp programming

For MTL+ platforms we use PICA chips for Type-C support and hence mg programming is not needed. Fixes issue with drm warn of TC port not being in legacy mode. Cc: [email protected] Signed-off-by: Mika Kahola <[email protected]> Signed-off-by: Imre Deak <[email protected]> Reviewed-by: Gustavo Sousa <[email protected]> Link: https://patchwork.freedesktop.org/patch/msgid/[email protected] (cherry picked from commit aaf9dc8) Signed-off-by: Jani Nikula <[email protected]>
antonovi · Jul 1, 2024 · f723833 · f723833
1 parent 22a40d1
commit f723833
Showing 1 changed file with 3 additions and 0 deletions.
diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
@@ -2088,6 +2088,9 @@ icl_program_mg_dp_mode(struct intel_digital_port *dig_port,
 	u32 ln0, ln1, pin_assignment;
 	u8 width;
 
+	if (DISPLAY_VER(dev_priv) >= 14)
+		return;
+
 	if (!intel_encoder_is_tc(&dig_port->base) ||
 	    intel_tc_port_in_tbt_alt_mode(dig_port))
 		return;