diff options
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp_link_training.c | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp_link_training.c b/drivers/gpu/drm/i915/intel_dp_link_training.c index 60fb39cd220b..0deebed71a26 100644 --- a/drivers/gpu/drm/i915/intel_dp_link_training.c +++ b/drivers/gpu/drm/i915/intel_dp_link_training.c @@ -24,6 +24,15 @@ #include "intel_drv.h" static void +intel_dp_dump_link_status(const uint8_t link_status[DP_LINK_STATUS_SIZE]) +{ + + DRM_DEBUG_KMS("ln0_1:0x%x ln2_3:0x%x align:0x%x sink:0x%x adj_req0_1:0x%x adj_req2_3:0x%x", + link_status[0], link_status[1], link_status[2], + link_status[3], link_status[4], link_status[5]); +} + +static void intel_get_adjust_train(struct intel_dp *intel_dp, const uint8_t link_status[DP_LINK_STATUS_SIZE]) { @@ -168,6 +177,7 @@ intel_dp_link_training_clock_recovery(struct intel_dp *intel_dp) ++loop_tries; if (loop_tries == 5) { DRM_ERROR("too many full retries, give up\n"); + intel_dp_dump_link_status(link_status); break; } intel_dp_reset_link_train(intel_dp, @@ -254,6 +264,7 @@ intel_dp_link_training_channel_equalization(struct intel_dp *intel_dp) if (cr_tries > 5) { DRM_ERROR("failed to train DP, aborting\n"); + intel_dp_dump_link_status(link_status); break; } |