diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/g4x_dp.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/g4x_hdmi.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_crt.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_ddi.c | 3 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 6 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.h | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_dvo.c | 2 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_sdvo.c | 3 |
8 files changed, 24 insertions, 0 deletions
diff --git a/drivers/gpu/drm/i915/display/g4x_dp.c b/drivers/gpu/drm/i915/display/g4x_dp.c index 112d91d81fdc..c58a3f249a01 100644 --- a/drivers/gpu/drm/i915/display/g4x_dp.c +++ b/drivers/gpu/drm/i915/display/g4x_dp.c @@ -1259,6 +1259,9 @@ bool g4x_dp_init(struct drm_i915_private *dev_priv, struct drm_encoder *encoder; struct intel_connector *intel_connector; + if (!assert_port_valid(dev_priv, port)) + return false; + devdata = intel_bios_encoder_data_lookup(dev_priv, port); /* FIXME bail? */ diff --git a/drivers/gpu/drm/i915/display/g4x_hdmi.c b/drivers/gpu/drm/i915/display/g4x_hdmi.c index 5c187e6e0472..59704939c111 100644 --- a/drivers/gpu/drm/i915/display/g4x_hdmi.c +++ b/drivers/gpu/drm/i915/display/g4x_hdmi.c @@ -667,6 +667,9 @@ void g4x_hdmi_init(struct drm_i915_private *dev_priv, struct intel_encoder *intel_encoder; struct intel_connector *intel_connector; + if (!assert_port_valid(dev_priv, port)) + return; + devdata = intel_bios_encoder_data_lookup(dev_priv, port); /* FIXME bail? */ diff --git a/drivers/gpu/drm/i915/display/intel_crt.c b/drivers/gpu/drm/i915/display/intel_crt.c index ab7cd5e60a0a..809074758687 100644 --- a/drivers/gpu/drm/i915/display/intel_crt.c +++ b/drivers/gpu/drm/i915/display/intel_crt.c @@ -1064,6 +1064,8 @@ void intel_crt_init(struct drm_i915_private *dev_priv) } if (HAS_DDI(dev_priv)) { + assert_port_valid(dev_priv, PORT_E); + crt->base.port = PORT_E; crt->base.get_config = hsw_crt_get_config; crt->base.get_hw_state = intel_ddi_get_hw_state; diff --git a/drivers/gpu/drm/i915/display/intel_ddi.c b/drivers/gpu/drm/i915/display/intel_ddi.c index 090f242e610c..62bf6cc136ad 100644 --- a/drivers/gpu/drm/i915/display/intel_ddi.c +++ b/drivers/gpu/drm/i915/display/intel_ddi.c @@ -4661,6 +4661,9 @@ void intel_ddi_init(struct drm_i915_private *dev_priv, enum port port) bool init_hdmi, init_dp; enum phy phy = intel_port_to_phy(dev_priv, port); + if (!assert_port_valid(dev_priv, port)) + return; + /* * On platforms with HTI (aka HDPORT), if it's enabled at boot it may * have taken over some of the PHYs and made them unavailable to the diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index 395a0df003aa..d45403298a7b 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -7392,6 +7392,12 @@ static bool intel_ddi_crt_present(struct drm_i915_private *dev_priv) return true; } +bool assert_port_valid(struct drm_i915_private *i915, enum port port) +{ + return !drm_WARN(&i915->drm, !(DISPLAY_RUNTIME_INFO(i915)->port_mask & BIT(port)), + "Platform does not support port %c\n", port_name(port)); +} + void intel_setup_outputs(struct drm_i915_private *dev_priv) { struct intel_encoder *encoder; diff --git a/drivers/gpu/drm/i915/display/intel_display.h b/drivers/gpu/drm/i915/display/intel_display.h index c744c021af23..53ca0e4e2357 100644 --- a/drivers/gpu/drm/i915/display/intel_display.h +++ b/drivers/gpu/drm/i915/display/intel_display.h @@ -539,6 +539,8 @@ void assert_transcoder(struct drm_i915_private *dev_priv, #define assert_transcoder_enabled(d, t) assert_transcoder(d, t, true) #define assert_transcoder_disabled(d, t) assert_transcoder(d, t, false) +bool assert_port_valid(struct drm_i915_private *i915, enum port port); + /* * Use I915_STATE_WARN(x) (rather than WARN() and WARN_ON()) for hw state sanity * checks to check for unexpected conditions which may not necessarily be a user diff --git a/drivers/gpu/drm/i915/display/intel_dvo.c b/drivers/gpu/drm/i915/display/intel_dvo.c index 9884678743b6..b386894c3a6d 100644 --- a/drivers/gpu/drm/i915/display/intel_dvo.c +++ b/drivers/gpu/drm/i915/display/intel_dvo.c @@ -509,6 +509,8 @@ void intel_dvo_init(struct drm_i915_private *i915) return; } + assert_port_valid(i915, intel_dvo->dev.port); + encoder->type = INTEL_OUTPUT_DVO; encoder->power_domain = POWER_DOMAIN_PORT_OTHER; encoder->port = intel_dvo->dev.port; diff --git a/drivers/gpu/drm/i915/display/intel_sdvo.c b/drivers/gpu/drm/i915/display/intel_sdvo.c index 21f92123c844..d269726a832e 100644 --- a/drivers/gpu/drm/i915/display/intel_sdvo.c +++ b/drivers/gpu/drm/i915/display/intel_sdvo.c @@ -3329,6 +3329,9 @@ bool intel_sdvo_init(struct drm_i915_private *dev_priv, struct intel_sdvo *intel_sdvo; int i; + if (!assert_port_valid(dev_priv, port)) + return false; + assert_sdvo_port_valid(dev_priv, port); intel_sdvo = kzalloc(sizeof(*intel_sdvo), GFP_KERNEL); |