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path: root/drivers/gpu/drm/i915/intel_dp.c
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Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
-rw-r--r--drivers/gpu/drm/i915/intel_dp.c18
1 files changed, 12 insertions, 6 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index d1e8ddb..368ed8e 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1797,7 +1797,8 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0)
break;
if (i == intel_dp->lane_count && voltage_tries == 5) {
- if (++loop_tries == 5) {
+ ++loop_tries;
+ if (loop_tries == 5) {
DRM_DEBUG_KMS("too many full retries, give up\n");
break;
}
@@ -1807,11 +1808,15 @@ intel_dp_start_link_train(struct intel_dp *intel_dp)
}
/* Check to see if we've tried the same voltage 5 times */
- if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) != voltage) {
- voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
- voltage_tries = 0;
- } else
+ if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) {
++voltage_tries;
+ if (voltage_tries == 5) {
+ DRM_DEBUG_KMS("too many voltage retries, give up\n");
+ break;
+ }
+ } else
+ voltage_tries = 0;
+ voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK;
/* Compute new intel_dp->train_set as requested by target */
intel_get_adjust_train(intel_dp, link_status);
@@ -2369,8 +2374,9 @@ static void
intel_dp_destroy(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
+ struct intel_dp *intel_dp = intel_attached_dp(connector);
- if (intel_dpd_is_edp(dev))
+ if (is_edp(intel_dp))
intel_panel_destroy_backlight(dev);
drm_sysfs_connector_remove(connector);
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