Commit f7238337 authored by Imre Deak's avatar Imre Deak Committed by Jani Nikula
Browse files

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: stable@vger.kernel.org

Signed-off-by: default avatarMika Kahola <mika.kahola@intel.com>
Signed-off-by: default avatarImre Deak <imre.deak@intel.com>
Reviewed-by: default avatarGustavo Sousa <gustavo.sousa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240625111840.597574-1-mika.kahola@intel.com


(cherry picked from commit aaf9dc86)
Signed-off-by: default avatarJani Nikula <jani.nikula@intel.com>
parent 22a40d14

drivers/gpu/drm/i915/display/intel_ddi.c

+3 −0
Original line number Diff line number Diff line
@@ -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;