"Could not write test response to sink\n");
}
+static bool intel_dp_link_ok(struct intel_dp *intel_dp,
+ u8 link_status[DP_LINK_STATUS_SIZE])
+{
+ struct intel_encoder *encoder = &dp_to_dig_port(intel_dp)->base;
+ struct drm_i915_private *i915 = to_i915(encoder->base.dev);
+ bool uhbr = intel_dp->link_rate >= 1000000;
+ bool ok;
+
+ if (uhbr)
+ ok = drm_dp_128b132b_lane_channel_eq_done(link_status,
+ intel_dp->lane_count);
+ else
+ ok = drm_dp_channel_eq_ok(link_status, intel_dp->lane_count);
+
+ if (ok)
+ return true;
+
+ intel_dp_dump_link_status(intel_dp, DP_PHY_DPRX, link_status);
+ drm_dbg_kms(&i915->drm,
+ "[ENCODER:%d:%s] %s link not ok, retraining\n",
+ encoder->base.base.id, encoder->base.name,
+ uhbr ? "128b/132b" : "8b/10b");
+
+ return false;
+}
+
static void
intel_dp_mst_hpd_irq(struct intel_dp *intel_dp, u8 *esi, u8 *ack)
{
return false;
}
- if (!drm_dp_channel_eq_ok(link_status, intel_dp->lane_count)) {
- drm_dbg_kms(&i915->drm,
- "[ENCODER:%d:%s] channel EQ not ok, retraining\n",
- encoder->base.base.id, encoder->base.name);
- return false;
- }
-
- return true;
+ return intel_dp_link_ok(intel_dp, link_status);
}
/**
intel_dp->lane_count))
return false;
- /* Retrain if Channel EQ or CR not ok */
- return !drm_dp_channel_eq_ok(link_status, intel_dp->lane_count);
+ /* Retrain if link not ok */
+ return !intel_dp_link_ok(intel_dp, link_status);
}
static bool intel_dp_has_connector(struct intel_dp *intel_dp,
void intel_dp_stop_link_train(struct intel_dp *intel_dp,
const struct intel_crtc_state *crtc_state);
+void
+intel_dp_dump_link_status(struct intel_dp *intel_dp, enum drm_dp_phy dp_phy,
+ const u8 link_status[DP_LINK_STATUS_SIZE]);
+
/* Get the TPSx symbol type of the value programmed to DP_TRAINING_PATTERN_SET */
static inline u8 intel_dp_training_pattern_symbol(u8 pattern)
{