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

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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: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Reviewed-by: Gustavo Sousa <gustavo.sousa@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240625111840.597574-1-mika.kahola@intel.com
(cherry picked from commit aaf9dc86bd)
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Imre Deak 2024-06-25 14:18:40 +03:00 committed by Jani Nikula
parent 22a40d14b5
commit f72383371e
1 changed files with 3 additions and 0 deletions
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3
drivers/gpu/drm/i915/display/intel_ddi.c
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@ -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;