drm/i915: move edp low vswing config to vbt data

Move all data initialized from VBT under dev_priv->vbt. No functional
changes.

Reviewed-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Signed-off-by: Jani Nikula <jani.nikula@intel.com>
Link: http://patchwork.freedesktop.org/patch/msgid/1458834623-8734-3-git-send-email-jani.nikula@intel.com

drivers/gpu/drm/i915/i915_drv.h

@@ -1451,6 +1451,7 @@ struct intel_vbt_data {
 		int lanes;
 		int preemphasis;
 		int vswing;
+		bool low_vswing;
 		bool initialized;
 		bool support;
 		int bpp;
@@ -1963,8 +1964,6 @@ struct drm_i915_private {
 
 	struct intel_context *kernel_context;
 
-	bool edp_low_vswing;
-
 	/* perform PHY state sanity checks? */
 	bool chv_phy_assert[2];
 

drivers/gpu/drm/i915/intel_bios.c

@@ -647,10 +647,10 @@ parse_edp(struct drm_i915_private *dev_priv, const struct bdb_header *bdb)
 
 		/* Don't read from VBT if module parameter has valid value*/
 		if (i915.edp_vswing) {
-			dev_priv->edp_low_vswing = i915.edp_vswing == 1;
+			dev_priv->vbt.edp.low_vswing = i915.edp_vswing == 1;
 		} else {
 			vswing = (edp->edp_vswing_preemph >> (panel_type * 4)) & 0xF;
-			dev_priv->edp_low_vswing = vswing == 0;
+			dev_priv->vbt.edp.low_vswing = vswing == 0;
 		}
 	}
 }

drivers/gpu/drm/i915/intel_ddi.c

@@ -360,7 +360,7 @@ skl_get_buf_trans_dp(struct drm_i915_private *dev_priv, int *n_entries)
 static const struct ddi_buf_trans *
 skl_get_buf_trans_edp(struct drm_i915_private *dev_priv, int *n_entries)
 {
-	if (dev_priv->edp_low_vswing) {
+	if (dev_priv->vbt.edp.low_vswing) {
 		if (IS_SKL_ULX(dev_priv) || IS_KBL_ULX(dev_priv)) {
 			*n_entries = ARRAY_SIZE(skl_y_ddi_translations_edp);
 			return skl_y_ddi_translations_edp;
@@ -1431,7 +1431,7 @@ static void bxt_ddi_vswing_sequence(struct drm_i915_private *dev_priv,
 	u32 n_entries, i;
 	uint32_t val;
 
-	if (type == INTEL_OUTPUT_EDP && dev_priv->edp_low_vswing) {
+	if (type == INTEL_OUTPUT_EDP && dev_priv->vbt.edp.low_vswing) {
 		n_entries = ARRAY_SIZE(bxt_ddi_translations_edp);
 		ddi_translations = bxt_ddi_translations_edp;
 	} else if (type == INTEL_OUTPUT_DISPLAYPORT

drivers/gpu/drm/i915/intel_dp.c

@@ -3157,7 +3157,7 @@ intel_dp_voltage_max(struct intel_dp *intel_dp)
 	if (IS_BROXTON(dev))
 		return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
 	else if (INTEL_INFO(dev)->gen >= 9) {
-		if (dev_priv->edp_low_vswing && port == PORT_A)
+		if (dev_priv->vbt.edp.low_vswing && port == PORT_A)
 			return DP_TRAIN_VOLTAGE_SWING_LEVEL_3;
 		return DP_TRAIN_VOLTAGE_SWING_LEVEL_2;
 	} else if (IS_VALLEYVIEW(dev) || IS_CHERRYVIEW(dev))