diff options
| author | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-29 08:46:28 -0700 |
|---|---|---|
| committer | Greg Kroah-Hartman <gregkh@linuxfoundation.org> | 2012-10-29 08:46:28 -0700 |
| commit | 94b086b243e112030b815b76e61de6523e6fc700 (patch) | |
| tree | 3c7f2308e7e5afdb276a858c4960754168a92d8c /drivers/gpu/drm/i915/intel_dp.c | |
| parent | 967857dfd990081f6702daebc6c9bc6f4ba7a39e (diff) | |
| parent | 8f0d8163b50e01f398b14bcd4dc039ac5ab18d64 (diff) | |
| download | linux-next-94b086b243e112030b815b76e61de6523e6fc700.tar.gz | |
Merge 3.7-rc3 into driver-core-next
This pulls in the various driver core changes that were in 3.7-rc3 into the
driver-core-next branch.
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 15 |
1 files changed, 10 insertions, 5 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index 1b727a5c9ee5..368ed8ef1600 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); |