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

[Gustavo Sousa]

Quoting Mika Kahola (2024-06-25 08:18:40-03:00)
>From: Imre Deak <imre.deak at intel.com>
>
>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.
>
>Signed-off-by: Mika Kahola <mika.kahola at intel.com>
>Signed-off-by: Imre Deak <imre.deak at intel.com>

Reviewed-by: Gustavo Sousa <gustavo.sousa at intel.com>

>---
> drivers/gpu/drm/i915/display/intel_ddi.c | 3 +++
> 1 file changed, 3 insertions(+)
>
>diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c
>index bb13a3ca8c7c..6672fc162c4f 100644
>--- a/drivers/gpu/drm/i915/display/intel_ddi.c
>+++ b/drivers/gpu/drm/i915/display/intel_ddi.c
>@@ -2096,6 +2096,9 @@ 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;
>-- 
>2.34.1
>