static void
parse_driver_features(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
struct drm_device *dev = dev_priv->dev;
struct bdb_driver_features *driver;
driver = find_section(bdb, BDB_DRIVER_FEATURES);
if (!driver)
return;
if (SUPPORTS_EDP(dev) &&
driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
dev_priv->vbt.edp_support = 1;
if (driver->dual_frequency)
dev_priv->render_reclock_avail = true;
DRM_DEBUG_KMS("DRRS State Enabled:%d\n", driver->drrs_enabled);
/*
* If DRRS is not supported, drrs_type has to be set to 0.
* This is because, VBT is configured in such a way that
* static DRRS is 0 and DRRS not supported is represented by
* driver->drrs_enabled=false
*/
if (!driver->drrs_enabled)
dev_priv->vbt.drrs_type = driver->drrs_enabled;
}
static void
parse_driver_features(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
struct drm_device *dev = dev_priv->dev;
struct bdb_driver_features *driver;
driver = find_section(bdb, BDB_DRIVER_FEATURES);
if (!driver)
return;
if (SUPPORTS_EDP(dev) &&
driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
dev_priv->edp.support = 1;
if (driver->dual_frequency)
dev_priv->render_reclock_avail = true;
}
static void
parse_driver_features(struct drm_i915_private *dev_priv,
struct bdb_header *bdb)
{
struct drm_device *dev = dev_priv->dev;
struct bdb_driver_features *driver;
/* set default for chips without eDP */
if (!SUPPORTS_EDP(dev)) {
dev_priv->edp_support = 0;
return;
}
driver = find_section(bdb, BDB_DRIVER_FEATURES);
if (!driver)
return;
if (driver->lvds_config == BDB_DRIVER_FEATURE_EDP)
dev_priv->edp_support = 1;
if (driver->dual_frequency)
dev_priv->render_reclock_avail = true;
}
static void
parse_edp(struct drm_i915_private *dev_priv, struct bdb_header *bdb)
{
struct bdb_edp *edp;
struct edp_power_seq *edp_pps;
struct edp_link_params *edp_link_params;
edp = find_section(bdb, BDB_EDP);
if (!edp) {
if (SUPPORTS_EDP(dev_priv->dev) && dev_priv->edp.support) {
DRM_DEBUG_KMS("No eDP BDB found but eDP panel "
"supported, assume %dbpp panel color "
"depth.\n",
dev_priv->edp.bpp);
}
return;
}
switch ((edp->color_depth >> (panel_type * 2)) & 3) {
case EDP_18BPP:
dev_priv->edp.bpp = 18;
break;
case EDP_24BPP:
dev_priv->edp.bpp = 24;
break;
case EDP_30BPP:
dev_priv->edp.bpp = 30;
break;
}
/* Get the eDP sequencing and link info */
edp_pps = &edp->power_seqs[panel_type];
edp_link_params = &edp->link_params[panel_type];
dev_priv->edp.pps = *edp_pps;
dev_priv->edp.rate = edp_link_params->rate ? DP_LINK_BW_2_7 :
DP_LINK_BW_1_62;
switch (edp_link_params->lanes) {
case 0:
dev_priv->edp.lanes = 1;
break;
case 1:
dev_priv->edp.lanes = 2;
break;
case 3:
default:
dev_priv->edp.lanes = 4;
break;
}
switch (edp_link_params->preemphasis) {
case 0:
dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPHASIS_0;
break;
case 1:
dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPHASIS_3_5;
break;
case 2:
dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPHASIS_6;
break;
case 3:
dev_priv->edp.preemphasis = DP_TRAIN_PRE_EMPHASIS_9_5;
break;
}
switch (edp_link_params->vswing) {
case 0:
dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_400;
break;
case 1:
dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_600;
break;
case 2:
dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_800;
break;
case 3:
dev_priv->edp.vswing = DP_TRAIN_VOLTAGE_SWING_1200;
break;
}
}
