diff options
-rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 15 |
1 files changed, 5 insertions, 10 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index c63f54e84847..c14d407d41e8 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c | |||
@@ -1798,8 +1798,7 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) | |||
1798 | if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0) | 1798 | if ((intel_dp->train_set[i] & DP_TRAIN_MAX_SWING_REACHED) == 0) |
1799 | break; | 1799 | break; |
1800 | if (i == intel_dp->lane_count && voltage_tries == 5) { | 1800 | if (i == intel_dp->lane_count && voltage_tries == 5) { |
1801 | ++loop_tries; | 1801 | if (++loop_tries == 5) { |
1802 | if (loop_tries == 5) { | ||
1803 | DRM_DEBUG_KMS("too many full retries, give up\n"); | 1802 | DRM_DEBUG_KMS("too many full retries, give up\n"); |
1804 | break; | 1803 | break; |
1805 | } | 1804 | } |
@@ -1809,15 +1808,11 @@ intel_dp_start_link_train(struct intel_dp *intel_dp) | |||
1809 | } | 1808 | } |
1810 | 1809 | ||
1811 | /* Check to see if we've tried the same voltage 5 times */ | 1810 | /* Check to see if we've tried the same voltage 5 times */ |
1812 | if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) == voltage) { | 1811 | if ((intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK) != voltage) { |
1813 | ++voltage_tries; | 1812 | voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK; |
1814 | if (voltage_tries == 5) { | ||
1815 | DRM_DEBUG_KMS("too many voltage retries, give up\n"); | ||
1816 | break; | ||
1817 | } | ||
1818 | } else | ||
1819 | voltage_tries = 0; | 1813 | voltage_tries = 0; |
1820 | voltage = intel_dp->train_set[0] & DP_TRAIN_VOLTAGE_SWING_MASK; | 1814 | } else |
1815 | ++voltage_tries; | ||
1821 | 1816 | ||
1822 | /* Compute new intel_dp->train_set as requested by target */ | 1817 | /* Compute new intel_dp->train_set as requested by target */ |
1823 | intel_get_adjust_train(intel_dp, link_status); | 1818 | intel_get_adjust_train(intel_dp, link_status); |