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drm/i915/ddi: Move DDI port detection to the corresponding helper 

We have already a function to detect DDI ports using VBT, so instead of
opencoding the DDI specific version of this, move the opencoded part to
the existing helper.

Cc: Jani Nikula <jani.nikula@linux.intel.com>
Cc: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Imre Deak <imre.deak@intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20181220132604.25222-1-imre.deak@intel.com
Reviewed-by: Jani Nikula <jani.nikula@intel.com>
This commit is contained in:
Imre Deak 2018-12-20 15:26:02 +02:00
parent decd29e6b5
commit e9d49bb718
2 changed files with 10 additions and 3 deletions
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9
drivers/gpu/drm/i915/intel_bios.c
View File

@ -1946,6 +1946,15 @@ bool intel_bios_is_port_present(struct drm_i915_private *dev_priv, enum port por
};
int i;
if (HAS_DDI(dev_priv)) {
const struct ddi_vbt_port_info *port_info =
&dev_priv->vbt.ddi_port_info[port];
return port_info->supports_dp ||
port_info->supports_dvi ||
port_info->supports_hdmi;
}
/* FIXME maybe deal with port A as well? */
if (WARN_ON(port == PORT_A) || port >= ARRAY_SIZE(port_mapping))
return false;

4
drivers/gpu/drm/i915/intel_display.c
View File

@ -14362,9 +14362,7 @@ static void intel_setup_outputs(struct drm_i915_private *dev_priv)
* On SKL we don't have a way to detect DDI-E so we rely on VBT.
*/
if (IS_GEN9_BC(dev_priv) &&
(dev_priv->vbt.ddi_port_info[PORT_E].supports_dp ||
dev_priv->vbt.ddi_port_info[PORT_E].supports_dvi ||
dev_priv->vbt.ddi_port_info[PORT_E].supports_hdmi))
intel_bios_is_port_present(dev_priv, PORT_E))
intel_ddi_init(dev_priv, PORT_E);
} else if (HAS_PCH_SPLIT(dev_priv)) {