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drm/i915: Extract bdw_get_buf_trans_edp()

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Make the BDW and SKL code a bit more similar by extracting the
low vswing handling for BDW into a helper, as we already have
it like that for SKL+.

Cc: Mika Kahola <mika.kahola@intel.com>
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1468328376-6380-10-git-send-email-ville.syrjala@linux.intel.com
Reviewed-by: Imre Deak <imre.deak@intel.com>
This commit is contained in:
Ville Syrjälä 2016-07-12 15:59:36 +03:00
parent 5a5d24dca4
commit a930acd91f
1 changed files with 13 additions and 7 deletions
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20
drivers/gpu/drm/i915/intel_ddi.c
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@ -319,6 +319,18 @@ enum port intel_ddi_get_encoder_port(struct intel_encoder *encoder)
}
}
static const struct ddi_buf_trans *
bdw_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries)
{
if (dev_priv->vbt.edp.low_vswing) {
*n_entries = ARRAY_SIZE(bdw_ddi_translations_edp);
return bdw_ddi_translations_edp;
} else {
*n_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
return bdw_ddi_translations_dp;
}
}
static const struct ddi_buf_trans *
skl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries)
{
@ -436,13 +448,7 @@ void intel_prepare_dp_ddi_buffers(struct intel_encoder *encoder)
} else if (IS_BROADWELL(dev_priv)) {
ddi_translations_fdi = bdw_ddi_translations_fdi;
ddi_translations_dp = bdw_ddi_translations_dp;
if (dev_priv->vbt.edp.low_vswing) {
ddi_translations_edp = bdw_ddi_translations_edp;
n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_edp);
} else {
ddi_translations_edp = bdw_ddi_translations_dp;
n_edp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
}
ddi_translations_edp = bdw_get_buf_trans_edp(dev_priv, &n_edp_entries);
n_dp_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
} else if (IS_HASWELL(dev_priv)) {
ddi_translations_fdi = hsw_ddi_translations_fdi;