drm/i915: Relocate intel_ddi_get_buf_trans_*() functions

We'll want to use the intel_ddi_get_buf_trans_*() functions a bit
earlier in the file, so move them up. While at it start using them
in the iboost setup to get rid of the platform checks there.

v2: Rebase due to BDW FDI buf trans fix

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20171016145705.11780-2-ville.syrjala@linux.intel.com
Reviewed-by: James Ausmus <james.ausmus@intel.com>

diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index adf51b32884418c1e1eeeef16d9b631142bafec6..a6169ed312c6e5663c51ecae770c0228bc4999e0 100644 (file)
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -588,6 +588,59 @@ skl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries)
        }
 }
 
+static const struct ddi_buf_trans *
+intel_ddi_get_buf_trans_dp(struct drm_i915_private *dev_priv,
+                          int *n_entries)
+{
+       if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) {
+               return kbl_get_buf_trans_dp(dev_priv, n_entries);
+       } else if (IS_SKYLAKE(dev_priv)) {
+               return skl_get_buf_trans_dp(dev_priv, n_entries);
+       } else if (IS_BROADWELL(dev_priv)) {
+               *n_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
+               return  bdw_ddi_translations_dp;
+       } else if (IS_HASWELL(dev_priv)) {
+               *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp);
+               return hsw_ddi_translations_dp;
+       }
+
+       *n_entries = 0;
+       return NULL;
+}
+
+static const struct ddi_buf_trans *
+intel_ddi_get_buf_trans_edp(struct drm_i915_private *dev_priv,
+                           int *n_entries)
+{
+       if (IS_GEN9_BC(dev_priv)) {
+               return skl_get_buf_trans_edp(dev_priv, n_entries);
+       } else if (IS_BROADWELL(dev_priv)) {
+               return bdw_get_buf_trans_edp(dev_priv, n_entries);
+       } else if (IS_HASWELL(dev_priv)) {
+               *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp);
+               return hsw_ddi_translations_dp;
+       }
+
+       *n_entries = 0;
+       return NULL;
+}
+
+static const struct ddi_buf_trans *
+intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv,
+                           int *n_entries)
+{
+       if (IS_BROADWELL(dev_priv)) {
+               *n_entries = ARRAY_SIZE(bdw_ddi_translations_fdi);
+               return bdw_ddi_translations_fdi;
+       } else if (IS_HASWELL(dev_priv)) {
+               *n_entries = ARRAY_SIZE(hsw_ddi_translations_fdi);
+               return hsw_ddi_translations_fdi;
+       }
+
+       *n_entries = 0;
+       return NULL;
+}
+
 static const struct cnl_ddi_buf_trans *
 cnl_get_buf_trans_hdmi(struct drm_i915_private *dev_priv, int *n_entries)
 {
@@ -692,59 +745,6 @@ static int intel_ddi_hdmi_level(struct drm_i915_private *dev_priv, enum port por
        return hdmi_level;
 }
 
-static const struct ddi_buf_trans *
-intel_ddi_get_buf_trans_dp(struct drm_i915_private *dev_priv,
-                          int *n_entries)
-{
-       if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv)) {
-               return kbl_get_buf_trans_dp(dev_priv, n_entries);
-       } else if (IS_SKYLAKE(dev_priv)) {
-               return skl_get_buf_trans_dp(dev_priv, n_entries);
-       } else if (IS_BROADWELL(dev_priv)) {
-               *n_entries = ARRAY_SIZE(bdw_ddi_translations_dp);
-               return  bdw_ddi_translations_dp;
-       } else if (IS_HASWELL(dev_priv)) {
-               *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp);
-               return hsw_ddi_translations_dp;
-       }
-
-       *n_entries = 0;
-       return NULL;
-}
-
-static const struct ddi_buf_trans *
-intel_ddi_get_buf_trans_edp(struct drm_i915_private *dev_priv,
-                           int *n_entries)
-{
-       if (IS_GEN9_BC(dev_priv)) {
-               return skl_get_buf_trans_edp(dev_priv, n_entries);
-       } else if (IS_BROADWELL(dev_priv)) {
-               return bdw_get_buf_trans_edp(dev_priv, n_entries);
-       } else if (IS_HASWELL(dev_priv)) {
-               *n_entries = ARRAY_SIZE(hsw_ddi_translations_dp);
-               return hsw_ddi_translations_dp;
-       }
-
-       *n_entries = 0;
-       return NULL;
-}
-
-static const struct ddi_buf_trans *
-intel_ddi_get_buf_trans_fdi(struct drm_i915_private *dev_priv,
-                           int *n_entries)
-{
-       if (IS_BROADWELL(dev_priv)) {
-               *n_entries = ARRAY_SIZE(bdw_ddi_translations_fdi);
-               return bdw_ddi_translations_fdi;
-       } else if (IS_HASWELL(dev_priv)) {
-               *n_entries = ARRAY_SIZE(hsw_ddi_translations_fdi);
-               return hsw_ddi_translations_fdi;
-       }
-
-       *n_entries = 0;
-       return NULL;
-}
-
 /*
  * Starting with Haswell, DDI port buffers must be programmed with correct
  * values in advance. This function programs the correct values for
@@ -1801,19 +1801,14 @@ static void skl_ddi_set_iboost(struct intel_encoder *encoder, u32 level)
                if (dp_iboost) {
                        iboost = dp_iboost;
                } else {
-                       if (IS_KABYLAKE(dev_priv) || IS_COFFEELAKE(dev_priv))
-                               ddi_translations = kbl_get_buf_trans_dp(dev_priv,
-                                                                       &n_entries);
-                       else
-                               ddi_translations = skl_get_buf_trans_dp(dev_priv,
-                                                                       &n_entries);
+                       ddi_translations = intel_ddi_get_buf_trans_dp(dev_priv, &n_entries);
                        iboost = ddi_translations[level].i_boost;
                }
        } else if (type == INTEL_OUTPUT_EDP) {
                if (dp_iboost) {
                        iboost = dp_iboost;
                } else {
-                       ddi_translations = skl_get_buf_trans_edp(dev_priv, &n_entries);
+                       ddi_translations = intel_ddi_get_buf_trans_edp(dev_priv, &n_entries);
 
                        if (WARN_ON(port != PORT_A &&
                                    port != PORT_E && n_entries > 9))