drm/i915: use a substruct in vbt data for edp

Housekeeping, similar to psr, backlight, and dsi. 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/1458834623-8734-2-git-send-email-jani.nikula@intel.com
diff --git a/drivers/gpu/drm/i915/intel_dp.c b/drivers/gpu/drm/i915/intel_dp.c
index 3ff8f1d..55faad1 100644
--- a/drivers/gpu/drm/i915/intel_dp.c
+++ b/drivers/gpu/drm/i915/intel_dp.c
@@ -1500,10 +1500,10 @@
 
 		/* Get bpp from vbt only for panels that dont have bpp in edid */
 		if (intel_connector->base.display_info.bpc == 0 &&
-			(dev_priv->vbt.edp_bpp && dev_priv->vbt.edp_bpp < bpp)) {
+			(dev_priv->vbt.edp.bpp && dev_priv->vbt.edp.bpp < bpp)) {
 			DRM_DEBUG_KMS("clamping bpp for eDP panel to BIOS-provided %i\n",
-				      dev_priv->vbt.edp_bpp);
-			bpp = dev_priv->vbt.edp_bpp;
+				      dev_priv->vbt.edp.bpp);
+			bpp = dev_priv->vbt.edp.bpp;
 		}
 
 		/*
@@ -2386,8 +2386,8 @@
 		intel_dotclock_calculate(pipe_config->port_clock,
 					 &pipe_config->dp_m_n);
 
-	if (is_edp(intel_dp) && dev_priv->vbt.edp_bpp &&
-	    pipe_config->pipe_bpp > dev_priv->vbt.edp_bpp) {
+	if (is_edp(intel_dp) && dev_priv->vbt.edp.bpp &&
+	    pipe_config->pipe_bpp > dev_priv->vbt.edp.bpp) {
 		/*
 		 * This is a big fat ugly hack.
 		 *
@@ -2402,8 +2402,8 @@
 		 * load.
 		 */
 		DRM_DEBUG_KMS("pipe has %d bpp for eDP panel, overriding BIOS-provided max %d bpp\n",
-			      pipe_config->pipe_bpp, dev_priv->vbt.edp_bpp);
-		dev_priv->vbt.edp_bpp = pipe_config->pipe_bpp;
+			      pipe_config->pipe_bpp, dev_priv->vbt.edp.bpp);
+		dev_priv->vbt.edp.bpp = pipe_config->pipe_bpp;
 	}
 }
 
@@ -5111,7 +5111,7 @@
 	DRM_DEBUG_KMS("cur t1_t3 %d t8 %d t9 %d t10 %d t11_t12 %d\n",
 		      cur.t1_t3, cur.t8, cur.t9, cur.t10, cur.t11_t12);
 
-	vbt = dev_priv->vbt.edp_pps;
+	vbt = dev_priv->vbt.edp.pps;
 
 	/* Upper limits from eDP 1.3 spec. Note that we use the clunky units of
 	 * our hw here, which are all in 100usec. */