drm/i915: Make INTEL_PCH_TYPE & co only take dev_priv

This saves 1872 bytes of .rodata strings.

v2:
 * Rebase.
 * Add parantheses around dev_priv. (Ville Syrjala)

Signed-off-by: Tvrtko Ursulin <tvrtko.ursulin@intel.com>
Reviewed-by: David Weinehall <david.weinehall@linux.intel.com>
Acked-by: Daniel Vetter <daniel.vetter@ffwll.ch>
Acked-by: Jani Nikula <jani.nikula@linux.intel.com>
Acked-by: Chris Wilson <chris@chris-wilson.co.uk>
Acked-by: Maarten Lankhorst <maarten.lankhorst@linux.intel.com>
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 2e943bd..baaf2ed89 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -106,7 +106,7 @@
 	if (!(tmp & LVDS_PORT_EN))
 		goto out;
 
-	if (HAS_PCH_CPT(dev))
+	if (HAS_PCH_CPT(dev_priv))
 		*pipe = PORT_TO_PIPE_CPT(tmp);
 	else
 		*pipe = PORT_TO_PIPE(tmp);
@@ -396,7 +396,7 @@
 				      struct intel_crtc_state *pipe_config,
 				      struct drm_connector_state *conn_state)
 {
-	struct drm_device *dev = intel_encoder->base.dev;
+	struct drm_i915_private *dev_priv = to_i915(intel_encoder->base.dev);
 	struct intel_lvds_encoder *lvds_encoder =
 		to_lvds_encoder(&intel_encoder->base);
 	struct intel_connector *intel_connector =
@@ -406,7 +406,7 @@
 	unsigned int lvds_bpp;
 
 	/* Should never happen!! */
-	if (INTEL_INFO(dev)->gen < 4 && intel_crtc->pipe == 0) {
+	if (INTEL_GEN(dev_priv) < 4 && intel_crtc->pipe == 0) {
 		DRM_ERROR("Can't support LVDS on pipe A\n");
 		return false;
 	}
@@ -431,7 +431,7 @@
 	intel_fixed_panel_mode(intel_connector->panel.fixed_mode,
 			       adjusted_mode);
 
-	if (HAS_PCH_SPLIT(dev)) {
+	if (HAS_PCH_SPLIT(dev_priv)) {
 		pipe_config->has_pch_encoder = true;
 
 		intel_pch_panel_fitting(intel_crtc, pipe_config,
@@ -566,7 +566,7 @@
 	 * and as part of the cleanup in the hw state restore we also redisable
 	 * the vga plane.
 	 */
-	if (!HAS_PCH_SPLIT(dev))
+	if (!HAS_PCH_SPLIT(dev_priv))
 		intel_display_resume(dev);
 
 	dev_priv->modeset_restore = MODESET_DONE;
@@ -951,9 +951,11 @@
 
 static bool intel_lvds_supported(struct drm_device *dev)
 {
+	struct drm_i915_private *dev_priv = to_i915(dev);
+
 	/* With the introduction of the PCH we gained a dedicated
 	 * LVDS presence pin, use it. */
-	if (HAS_PCH_IBX(dev) || HAS_PCH_CPT(dev))
+	if (HAS_PCH_IBX(dev_priv) || HAS_PCH_CPT(dev_priv))
 		return true;
 
 	/* Otherwise LVDS was only attached to mobile products,
@@ -997,14 +999,14 @@
 	if (dmi_check_system(intel_no_lvds))
 		return;
 
-	if (HAS_PCH_SPLIT(dev))
+	if (HAS_PCH_SPLIT(dev_priv))
 		lvds_reg = PCH_LVDS;
 	else
 		lvds_reg = LVDS;
 
 	lvds = I915_READ(lvds_reg);
 
-	if (HAS_PCH_SPLIT(dev)) {
+	if (HAS_PCH_SPLIT(dev_priv)) {
 		if ((lvds & LVDS_DETECTED) == 0)
 			return;
 		if (dev_priv->vbt.edp.support) {
@@ -1068,7 +1070,7 @@
 	intel_encoder->type = INTEL_OUTPUT_LVDS;
 	intel_encoder->port = PORT_NONE;
 	intel_encoder->cloneable = 0;
-	if (HAS_PCH_SPLIT(dev))
+	if (HAS_PCH_SPLIT(dev_priv))
 		intel_encoder->crtc_mask = (1 << 0) | (1 << 1) | (1 << 2);
 	else if (IS_GEN4(dev))
 		intel_encoder->crtc_mask = (1 << 0) | (1 << 1);
@@ -1158,7 +1160,7 @@
 	 */
 
 	/* Ironlake: FIXME if still fail, not try pipe mode now */
-	if (HAS_PCH_SPLIT(dev))
+	if (HAS_PCH_SPLIT(dev_priv))
 		goto failed;
 
 	pipe = (lvds & LVDS_PIPEB_SELECT) ? 1 : 0;