diff options
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_bios.c | 20 | ||||
| -rw-r--r-- | drivers/gpu/drm/i915/display/intel_display.c | 14 |
2 files changed, 22 insertions, 12 deletions
diff --git a/drivers/gpu/drm/i915/display/intel_bios.c b/drivers/gpu/drm/i915/display/intel_bios.c index befab891a6b9..a783c5a40934 100644 --- a/drivers/gpu/drm/i915/display/intel_bios.c +++ b/drivers/gpu/drm/i915/display/intel_bios.c @@ -1852,6 +1852,19 @@ intel_bios_encoder_supports_edp(const struct intel_bios_encoder_data *devdata) devdata->child.device_type & DEVICE_TYPE_INTERNAL_CONNECTOR; } +static bool is_port_valid(struct drm_i915_private *i915, enum port port) +{ + /* + * On some ICL/CNL SKUs port F is not present, but broken VBTs mark + * the port as present. Only try to initialize port F for the + * SKUs that may actually have it. + */ + if (port == PORT_F && (IS_ICELAKE(i915) || IS_CANNONLAKE(i915))) + return IS_ICL_WITH_PORT_F(i915) || IS_CNL_WITH_PORT_F(i915); + + return true; +} + static void parse_ddi_port(struct drm_i915_private *i915, struct intel_bios_encoder_data *devdata) { @@ -1865,6 +1878,13 @@ static void parse_ddi_port(struct drm_i915_private *i915, if (port == PORT_NONE) return; + if (!is_port_valid(i915, port)) { + drm_dbg_kms(&i915->drm, + "VBT reports port %c as supported, but that can't be true: skipping\n", + port_name(port)); + return; + } + info = &i915->vbt.ddi_port_info[port]; if (info->devdata) { diff --git a/drivers/gpu/drm/i915/display/intel_display.c b/drivers/gpu/drm/i915/display/intel_display.c index d63775a8a8c6..fc7e18ff680a 100644 --- a/drivers/gpu/drm/i915/display/intel_display.c +++ b/drivers/gpu/drm/i915/display/intel_display.c @@ -11199,15 +11199,7 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) intel_ddi_init(dev_priv, PORT_C); intel_ddi_init(dev_priv, PORT_D); intel_ddi_init(dev_priv, PORT_E); - - /* - * On some ICL SKUs port F is not present, but broken VBTs mark - * the port as present. Only try to initialize port F for the - * SKUs that may actually have it. - */ - if (IS_ICL_WITH_PORT_F(dev_priv)) - intel_ddi_init(dev_priv, PORT_F); - + intel_ddi_init(dev_priv, PORT_F); icl_dsi_init(dev_priv); } else if (IS_GEMINILAKE(dev_priv) || IS_BROXTON(dev_priv)) { intel_ddi_init(dev_priv, PORT_A); @@ -11220,9 +11212,7 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv) intel_ddi_init(dev_priv, PORT_C); intel_ddi_init(dev_priv, PORT_D); intel_ddi_init(dev_priv, PORT_E); - - if (IS_CNL_WITH_PORT_F(dev_priv)) - intel_ddi_init(dev_priv, PORT_F); + intel_ddi_init(dev_priv, PORT_F); } else if (HAS_DDI(dev_priv)) { u32 found; |