From: Ville Syrjälä <ville.syrj...@linux.intel.com>
Introduce intel_ddi_get_buf_trans_hdmi() and start using it where we
can.
Signed-off-by: Ville Syrjälä <ville.syrj...@linux.intel.com>
---
drivers/gpu/drm/i915/intel_ddi.c | 50 ++++++++++++++++++++++------------------
1 file changed, 28 insertions(+), 22 deletions(-)
diff --git a/drivers/gpu/drm/i915/intel_ddi.c b/drivers/gpu/drm/i915/intel_ddi.c
index b75d1d0cf5d3..07449b4c58db 100644
--- a/drivers/gpu/drm/i915/intel_ddi.c
+++ b/drivers/gpu/drm/i915/intel_ddi.c
@@ -641,6 +641,24 @@ intel_ddi_get_buf_trans_fdi(struct drm_i915_private
*dev_priv,
return NULL;
}
+static const struct ddi_buf_trans *
+intel_ddi_get_buf_trans_hdmi(struct drm_i915_private *dev_priv,
+ int *n_entries)
+{
+ if (IS_GEN9_BC(dev_priv)) {
+ return skl_get_buf_trans_hdmi(dev_priv, n_entries);
+ } else if (IS_BROADWELL(dev_priv)) {
+ *n_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
+ return bdw_ddi_translations_hdmi;
+ } else if (IS_HASWELL(dev_priv)) {
+ *n_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi);
+ return hsw_ddi_translations_hdmi;
+ }
+
+ *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)
{
@@ -717,18 +735,17 @@ static int intel_ddi_hdmi_level(struct drm_i915_private
*dev_priv, enum port por
cnl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
hdmi_default_entry = n_hdmi_entries - 1;
} else if (IS_GEN9_BC(dev_priv)) {
- skl_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
+ intel_ddi_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
hdmi_default_entry = 8;
} else if (IS_BROADWELL(dev_priv)) {
- n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
+ intel_ddi_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
hdmi_default_entry = 7;
} else if (IS_HASWELL(dev_priv)) {
- n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi);
+ intel_ddi_get_buf_trans_hdmi(dev_priv, &n_hdmi_entries);
hdmi_default_entry = 6;
} else {
WARN(1, "ddi translation table missing\n");
- n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
- hdmi_default_entry = 7;
+ return 0;
}
/* Choose a good default if VBT is badly populated */
@@ -804,23 +821,12 @@ static void intel_prepare_hdmi_ddi_buffers(struct
intel_encoder *encoder)
hdmi_level = intel_ddi_hdmi_level(dev_priv, port);
- if (IS_GEN9_BC(dev_priv)) {
- ddi_translations_hdmi = skl_get_buf_trans_hdmi(dev_priv,
&n_hdmi_entries);
+ ddi_translations_hdmi = intel_ddi_get_buf_trans_hdmi(dev_priv,
&n_hdmi_entries);
- /* If we're boosting the current, set bit 31 of trans1 */
- if (dev_priv->vbt.ddi_port_info[port].hdmi_boost_level)
- iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE;
- } else if (IS_BROADWELL(dev_priv)) {
- ddi_translations_hdmi = bdw_ddi_translations_hdmi;
- n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
- } else if (IS_HASWELL(dev_priv)) {
- ddi_translations_hdmi = hsw_ddi_translations_hdmi;
- n_hdmi_entries = ARRAY_SIZE(hsw_ddi_translations_hdmi);
- } else {
- WARN(1, "ddi translation table missing\n");
- ddi_translations_hdmi = bdw_ddi_translations_hdmi;
- n_hdmi_entries = ARRAY_SIZE(bdw_ddi_translations_hdmi);
- }
+ /* If we're boosting the current, set bit 31 of trans1 */
+ if (IS_GEN9_BC(dev_priv) &&
+ dev_priv->vbt.ddi_port_info[port].hdmi_boost_level)
+ iboost_bit = DDI_BUF_BALANCE_LEG_ENABLE;
/* Entry 9 is for HDMI: */
I915_WRITE(DDI_BUF_TRANS_LO(port, 9),
@@ -1810,7 +1816,7 @@ static void skl_ddi_set_iboost(struct intel_encoder
*encoder, u32 level)
if (hdmi_iboost) {
iboost = hdmi_iboost;
} else {
- ddi_translations = skl_get_buf_trans_hdmi(dev_priv,
&n_entries);
+ ddi_translations =
intel_ddi_get_buf_trans_hdmi(dev_priv, &n_entries);
iboost = ddi_translations[level].i_boost;
}
} else {
--
2.13.5
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