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drm/i915: Remove dead TPS3->TPS2 fallback code

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If we ever get here with TPS3 then intel_dp_training_pattern()
is just broken. Replace the careful fallback with just
MISSING_CASE().

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20210318161015.22070-2-ville.syrjala@linux.intel.com
This commit is contained in:
Ville Syrjälä 2021-03-18 18:10:09 +02:00
parent 1663ad4936
commit 4b672eb7c9
1 changed files with 6 additions and 10 deletions
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16
drivers/gpu/drm/i915/display/intel_dp.c
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@ -2503,11 +2503,9 @@ cpt_set_link_train(struct intel_dp *intel_dp,
case DP_TRAINING_PATTERN_2:
*DP |= DP_LINK_TRAIN_PAT_2_CPT;
break;
case DP_TRAINING_PATTERN_3:
drm_dbg_kms(&dev_priv->drm,
"TPS3 not supported, using TPS2 instead\n");
*DP |= DP_LINK_TRAIN_PAT_2_CPT;
break;
default:
MISSING_CASE(intel_dp_training_pattern_symbol(dp_train_pat));
return;
}
intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);
@ -2808,11 +2806,9 @@ g4x_set_link_train(struct intel_dp *intel_dp,
case DP_TRAINING_PATTERN_2:
*DP |= DP_LINK_TRAIN_PAT_2;
break;
case DP_TRAINING_PATTERN_3:
drm_dbg_kms(&dev_priv->drm,
"TPS3 not supported, using TPS2 instead\n");
*DP |= DP_LINK_TRAIN_PAT_2;
break;
default:
MISSING_CASE(intel_dp_training_pattern_symbol(dp_train_pat));
return;
}
intel_de_write(dev_priv, intel_dp->output_reg, intel_dp->DP);