[PATCH v2 1/7] drm/i915: Remove dead TPS3->TPS2 fallback code

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From: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>

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

Reviewed-by: Daniel Vetter <daniel.vetter@xxxxxxxx>
Signed-off-by: Ville Syrjälä <ville.syrjala@xxxxxxxxxxxxxxx>
---
 drivers/gpu/drm/i915/display/intel_dp.c | 16 ++++++----------
 1 file changed, 6 insertions(+), 10 deletions(-)

diff --git a/drivers/gpu/drm/i915/display/intel_dp.c b/drivers/gpu/drm/i915/display/intel_dp.c
index d46cd205241c..d1945bff6980 100644
--- a/drivers/gpu/drm/i915/display/intel_dp.c
+++ b/drivers/gpu/drm/i915/display/intel_dp.c
@@ -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);
-- 
2.26.2

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