diff options
| author | Paulo Zanoni <paulo.r.zanoni@intel.com> | 2013-06-12 17:27:28 -0300 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2013-06-28 14:14:19 +0200 |
| commit | b2a1475561d59e8d182ba8cc4b7e78b662a3f533 (patch) | |
| tree | 3a8db2a125855f443af31e633a7b0bb4c2fcf31e /drivers/gpu/drm/i915/intel_dp.c | |
| parent | 15b1d171d87e86366266255462e6b11d21b61c1c (diff) | |
drm/i915: check the return value of intel_dp_i2c_init
We've been ignoring this return value, so print a nice backtrace in
case it's not what we expected.
Signed-off-by: Paulo Zanoni <paulo.r.zanoni@intel.com>
Reviewed-by: Zoltan Nyul <zoltan.nyul@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm/i915/intel_dp.c')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index ed1d3468012..591502c6f34 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -3044,7 +3044,7 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, struct drm_i915_private *dev_priv = dev->dev_private; enum port port = intel_dig_port->port; const char *name = NULL; - int type; + int type, error; /* Preserve the current hw state. */ intel_dp->DP = I915_READ(intel_dp->output_reg); @@ -3142,7 +3142,9 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, BUG(); } - intel_dp_i2c_init(intel_dp, intel_connector, name); + error = intel_dp_i2c_init(intel_dp, intel_connector, name); + WARN(error, "intel_dp_i2c_init failed with error %d for port %c\n", + error, port_name(port)); if (!intel_edp_init_connector(intel_dp, intel_connector)) { i2c_del_adapter(&intel_dp->adapter); |