diff options
| author | Ville Syrjälä <ville.syrjala@linux.intel.com> | 2014-10-16 22:27:27 +0400 |
|---|---|---|
| committer | Daniel Vetter <daniel.vetter@ffwll.ch> | 2014-11-05 01:21:59 +0300 |
| commit | c17ed5b5a46ec715620b0548a187d3ed98f4cf0b (patch) | |
| tree | 17b3be8d42196361b57b8de038038250aad15310 /drivers/gpu/drm | |
| parent | 6847d71bfc9b2855fb5fd0517309fb1adf9203ff (diff) | |
| download | linux-c17ed5b5a46ec715620b0548a187d3ed98f4cf0b.tar.xz | |
drm/i915: Warn if trying to register eDP on port != B/C on vlv/chv
Only ports B and C have the power sequencer and backlight controls,
so complain if we ever try to register an eDP connector on some other
port.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Reviewed-by: Imre Deak <imre.deak@intel.com>
Signed-off-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Diffstat (limited to 'drivers/gpu/drm')
| -rw-r--r-- | drivers/gpu/drm/i915/intel_dp.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c index b474a29d00d5..3f1858065a1c 100644 --- a/drivers/gpu/drm/i915/intel_dp.c +++ b/drivers/gpu/drm/i915/intel_dp.c @@ -5203,6 +5203,11 @@ intel_dp_init_connector(struct intel_digital_port *intel_dig_port, if (type == DRM_MODE_CONNECTOR_eDP) intel_encoder->type = INTEL_OUTPUT_EDP; + /* eDP only on port B and/or C on vlv/chv */ + if (WARN_ON(IS_VALLEYVIEW(dev) && is_edp(intel_dp) && + port != PORT_B && port != PORT_C)) + return false; + DRM_DEBUG_KMS("Adding %s connector on port %c\n", type == DRM_MODE_CONNECTOR_eDP ? "eDP" : "DP", port_name(port)); |